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    5,000 restful pekerjaan dijumpai

    Kami sedang membina pasukan programmer untuk membina mobile apps

    $28 / hr Average bid
    $28 / hr Avg Bida
    7 bida

    Bagi yang jagoan di front-end dan termasuk koder kekinian, ada kesempatan kerja nih: Speksifikasi Umum Git Test-Driven Development Server stack bersistem-operasi Linux/*BSD RESTful API Bisa bekerja secara remote ----------- Spesifikasi Khusus Javascript per ES5 HTML5 dan API terkaitnya CSS3 AngularJS >= 1.4 (is a MUST) jQuery ------------ Juga bisa Freelance untuk jangka waktu kontrak selama 3 BULAN.

    $162 - $487
    $162 - $487
    0 bida

    I'm seeking an experienced backend developer for API development. Key Requirements: - Expertise in API development - Proficiency in at least one of the following: Node.js, Python (Django/Flask), Java (Spring) - Strong understanding of server-side logic and database management Ideal Skills: - Experience with RESTful, GraphQL, or SOAP APIs - Ability to design and implement efficient, scalable APIs - Knowledge of security best practices in API development - Excellent problem-solving skills and attention to detail Please provide examples of previous work and relevant experience.

    $97 Average bid
    $97 Avg Bida
    37 bida

    The goal is to create a web-based Applicant Tracking System that lets employers publish vacancies and follow every candidate from application to final decision. I only need two roles at this stage—Admin (full system control) and Employer (job and applican...metrics. A clean, responsive UI, solid authentication, and good database design matter more to me than flashy extras; there is no separate job-seeker portal in scope right now. If you have built something similar—especially ATS, HR, or CRM tools—link to that past work in your bid so I can judge fit quickly. I’m happy to discuss tech stack once we connect, but expect standard modern web practices (RESTful API, secure data handling, clear documentation). Deliverables are the deploy-ready site, source code,...

    $1244 Average bid
    $1244 Avg Bida
    80 bida

    Objective: Develop a Spring Boot web application that allows users to search for LinkedIn profiles of alumni from a specified educational institution using the PhantomBuster API. The application should accept inputs for the university name, current designation, and an optional pass-out year. The retrieved alumni data should be saved in a database. Requirements: 1. Backend Implementation: ● Implement a RESTful API using Spring Boot to handle requests from the front end. ● Create an endpoint that accepts the university name, designation, and optional pass-out year as input parameters and returns a list of alumni profiles. 2. Database Integration: ● Set up a database (PostgreSQL) to store the alumni information 3. PhantomBuster Integration: ● Utilize the PhantomBuster API to scrape Lin...

    $11 Average bid
    $11 Avg Bida
    16 bida

    ...experience will also be considered • Proven track record of building and deploying web applications • Portfolio or GitHub profile showcasing relevant projects Technical Skills: • Frontend: React.js/Next.js, HTML5, CSS3, JavaScript/TypeScript, responsive design • Backend: Node.js, (or similar framework) • Database: MongoDB/PostgreSQL, database design and optimization • API Development: RESTful APIs, API integration • Version Control: Git/GitHub • Authentication: JWT, OAuth, session management • Payment Integration: Experience with Razorpay/Stripe/PayPal or similar • Deployment: AWS/Google Cloud/Azure, basic DevOps knowledge Nice to Have: • E-commerce platform experience • Marketplace or bidding system experience • M...

    $271 Average bid
    $271 Avg Bida
    51 bida
    Frontend Developer Aqarana
    6 hari left
    Disahkan

    ...integrations. The frontend developer should be comfortable building scalable, user-friendly, data-driven interfaces. Core Technical Skills Strong proficiency in HTML5, CSS3, and JavaScript (ES6+) Advanced experience with React.js (preferred) or Vue.js Solid understanding of component-based architecture Experience with state management (Redux, Zustand, Vuex, or equivalent) API integration using RESTful APIs and/or GraphQL Familiarity with authentication flows (JWT, OAuth) UI / UX & Design Experience converting Figma / Adobe XD designs into responsive UI Strong knowledge of responsive design and mobile-first development Experience with UI frameworks such as: Tailwind CSS Material UI Bootstrap Attention to usability for property search, filters, and listings Real...

    $504 Average bid
    $504 Avg Bida
    280 bida

    The goal is to craft a complete web application from the ground up, pairing a React.js front end with a Node.js back end and shipping a functional MVP within a month. I already know I want React for the client interface, so the build should follow best-practice component architecture, modern hooks, and a clean, responsive layout. On the server side, Node.js (Express preferred) will power a RESTful API, handle authentication, and connect to a persistent data store—MongoDB or PostgreSQL, whichever you feel best suits the use case. To keep expectations crystal clear, here are the concrete deliverables: • Git repo initialized with meaningful commits, README, and .env sample • React UI coded, styled, and wired to the API (state management via hooks or Redux) • ...

    $240 Average bid
    $240 Avg Bida
    52 bida

    I’m planning a new web application and want one talented partner to take it from first commit to production. The stack is already set—React on the front end, Node.js (with Express or a comparable framework) driving the server side—so you should feel completely at home with modern JavaScript, component-based UI design, RESTful (or GraphQL) APIs, and the usual DevOps steps that get everything running smoothly in the cloud. The exact product domain is still flexible; what matters most is clean architecture, clear code, and a smooth hand-off. I’ll bring the product vision and designs, you’ll bring the full-stack expertise to: • set up the project structure and repository • build the React interface with reusable components and state management...

    $32 / hr Average bid
    $32 / hr Avg Bida
    246 bida

    ...Compliance Requirements: Bank-level encryption (AES-256) GDPR-compliant data handling Secure authentication & authorization Role-based access control Scalable cloud infrastructure Preferred Tech Stack (Flexible): Frontend: React / Vue / Backend: Node.js / Laravel / Python Database: PostgreSQL / MySQL AI Integration: OpenAI or equivalent NLP models Hosting: AWS / GCP / DigitalOcean APIs: RESTful & scalable architecture Ideal Freelancer / Team: Proven experience with AI-driven platforms or SaaS products Strong UI/UX design skills for premium, professional interfaces Experience with ATS systems, job platforms, or HR tech (big plus) Ability to deliver clean, well-documented, production-ready code Commitment to security, scalability, and performance Deliverables: Fully fun...

    $425 Average bid
    $425 Avg Bida
    126 bida

    ...invoice submission • VAT reconciliation and reporting (16% standard rate) • Withholding tax configuration (VAT WHT, Professional Fees, etc.) • Payroll statutory deductions: PAYE (tiered), SHA (2.75%), NSSF (Tier I & II), AHF (1.5%) • Employment statutes compliance (attendance penalties, leave policies) • Tax reporting requirements (P9 forms, monthly returns) 3. API Integration & Development • RESTful API integration (authentication, error handling, retry logic) • KRA eTIMS API: Digital certificate authentication, QR code processing • M-Pesa Daraja API: B2C payments, OAuth 2.0, webhook callbacks • Safaricom API integration for mobile money disbursements • JSON/XML data formatting and parsing • Webhook development and c...

    $670 Average bid
    $670 Avg Bida
    78 bida

    The core of my project is an API service already running on .NET 5 and paired with an Angular front-end. I need hands-on, task-based support to keep new features moving quickly while maintaining clean, testable code. Here’s the current stack and workflow so you know what you’ll be jumping into: • Backend: ASP.NET Core 5, Entity Framework Core, RESTful endpoints. • Front-end: Angular (latest stable), RxJS, Material. • DevOps: Git, pull-request reviews, CI builds on GitHub Actions. Typical tasks you could pick up include: • Expanding endpoints and DTOs. • Wiring new Angular components to the fresh endpoints. • Adding unit / integration tests where coverage is thin. • Fine-tuning performance or refactoring when technical de...

    $12 / hr Average bid
    $12 / hr Avg Bida
    46 bida

    I'm looking for an experienced .NET Core developer to assist in feature development for my backend, specifically focusing on creating RESTful API endpoints. Key Requirements: - Develop and implement RESTful API endpoints - Ensure scalability and security of the APIs - Collaborate with the frontend team for seamless integration - Write unit tests for the developed features Ideal Skills and Experience: - Proficiency in .NET Core and RESTful API development - Strong understanding of database integration - Experience with authentication and authorization mechanisms - Familiarity with unit testing and CI/CD pipelines Looking forward to your expertise!

    $10 / hr Average bid
    $10 / hr Avg Bida
    43 bida

    I have an existing backend written in .NET Core that exposes a RESTful API. I now need a hand with two things: expanding the API with a few new endpoints and squashing some stubborn bugs that are affecting current routes. The codebase sits in a private Git repository and builds cleanly with the dotnet CLI. You’ll get a detailed list of the endpoints to add or refactor, the steps that reproduce each bug, and a Postman collection for quick regression checks. Once we agree on the work, simply branch, code, test, and open a pull request. Deliverables I expect: • Updated or brand-new C# controllers, services, and any supporting classes that compile against .NET Core. • Targeted bug fixes with unit tests that prove the issue is resolved. • A brief changelog so I...

    $10 / hr Average bid
    $10 / hr Avg Bida
    35 bida
    SAP BTP and ABAP
    5 hari left

    Expertise in SAP BTP Application Development architecture and framework Hands-on experience in RESTful Application Programming (RAP) model ■Knowledge of CAP model Deep understanding of SAP BTP ABAP Environment and S/4 HANA Cloud ABAP Environment ■ Extensibility Options (Key User Extensibility, Developer Extensibility, Side-by-side Extensibility) ■ Governance and decision making for Custom developments. Understanding on the Application Security model on BTP and S/4 Digital Core Extensive knowledge on usage of tools like: Eclipse/ADT, SAP Business Application Studio, SAP Build Work Zone, GitHub/ABAPGit

    $78 Average bid
    $78 Avg Bida
    5 bida

    ...experience will also be considered • Proven track record of building and deploying web applications • Portfolio or GitHub profile showcasing relevant projects Technical Skills: • Frontend: React.js/Next.js, HTML5, CSS3, JavaScript/TypeScript, responsive design • Backend: Node.js, (or similar framework) • Database: MongoDB/PostgreSQL, database design and optimization • API Development: RESTful APIs, API integration • Version Control: Git/GitHub • Authentication: JWT, OAuth, session management • Payment Integration: Experience with Razorpay/Stripe/PayPal or similar • Deployment: AWS/Google Cloud/Azure, basic DevOps knowledge Nice to Have: • Real-time features (WebSockets, ) • E-commerce platform experience • Marketpl...

    $1358 Average bid
    $1358 Avg Bida
    30 bida

    ...server that can authenticate users, deliver messages instantly, store chat history, and scale as the user base grows—all without the overhead of group or public room logic. I’m open to proven stacks such as Node.js with WebSocket/, Go with gRPC, or an equivalent solution that plays nicely with iOS and Android clients. End-to-end encryption, push-notification hooks (FCM / APNs), and a RESTful or GraphQL API for ancillary data are highly desirable. Deliverables • Production-ready server code with clear setup instructions • Secure user authentication and encrypted message transport • Message persistence (MongoDB, PostgreSQL, or similar) with indexing for quick retrieval • Simple admin endpoint or dashboard for basic monitoring • Post-de...

    $14 / hr Average bid
    $14 / hr Avg Bida
    30 bida

    ...be production-ready: • Designed to minimise support scarring • Avoid fragile protrusions • Balanced weight distribution • Stable when mounted • Suitable for repeat manufacturing Experience designing objects for physical production is strongly preferred over purely digital character work. Aesthetic Direction The sculpture should feel: • Timeless • Elegant • Anatomically believable • Calm and restful • Sculptural rather than toy-like Please avoid cartoon styling or exaggerated proportions. This is intended to sit firmly in the premium memorial product category I have included a concept image to communicate the emotional tone and general posture I am aiming for. This should not be interpreted as a final design, and I strongly w...

    $168 Average bid
    $168 Avg Bida
    45 bida

    I need a versatile full-stack developer with 2–5 years of hands-on experience who can move comfortably between back-end logic and front-end polish. On the server side you’ll work mainly in Python, building and extending services written in Django and Flask, so solid understanding of ORM, RESTful patterns, middleware and deployment on Linux-based environments is critical. The front-end layer is flexible. If you are productive with React, Angular, Vue or a comparable framework and can translate product ideas into clean, responsive interfaces, that works for me—what matters is the quality of the user experience you deliver. Creativity, readable code and proactive communication are essential. I tend to sketch concepts loosely and rely on you to flesh them out, sugges...

    $4029 Average bid
    $4029 Avg Bida
    30 bida

    ...working directly with me; I’ll walk you through the current repository, explain the backlog in Git, and hand over access to our staging server so you can ship updates quickly. Because the project is already in production, I need clean, modular code, familiarity with modern React hooks, and an eye for maintaining consistency with our current styling approach (we’re on CSS-in-JS). A solid grasp of RESTful APIs and version control in Git is a must, as those are central to the workflow here. Deliverables I’m tracking: • Updated React components pushed to the repo and merged without conflicts • Fully functional local build that mirrors staging • Brief hand-off note or Loom walkthrough explaining the changes If you’re nearby, we can even ...

    $69 Average bid
    $69 Avg Bida
    13 bida

    ...enterprise-grade project portal developed for CISCO to manage, monitor, and streamline internal project workflows, data processing, and user interactions across multiple teams. The platform is built using a microservices architecture to ensure scalability, high availability, and performance. Roles & Responsibilities: Designed and developed scalable backend microservices using Java and Spring Boot, following RESTful and domain-driven design principles. Implemented microservices architecture with inter-service communication and centralized configuration. Developed event-driven workflows using Apache Kafka for asynchronous data processing and system decoupling. Integrated Redis caching to improve application performance and reduce database load. Built and optimized REST APIs con...

    $10 / hr Average bid
    $10 / hr Avg Bida
    14 bida

    ...building a nonprofit smart-locker network and need a developer to stand up the entire backend plus a lightweight web dashboard. The lockers will be opened only after a biometric match—ideally fingerprint or facial recognition—so the API you create must handle secure enrollment, matching, and audit logging without ever storing conventional IDs, phone numbers, or payment data. Core requirements • RESTful (or GraphQL) API hosted on AWS, with a clean data model for lockers, users, and biometric templates • Biometric logic that can accept fingerprint or facial recognition data, hash it securely, and return match / no-match results in under two seconds • Automatic locker assignment, occupancy tracking, and remote release commands, exposed through a sim...

    $9072247 Average bid
    $9072247 Avg Bida
    116 bida

    ...API Keys, etc.) Handle data validation, error handling, and performance optimization Write clean and maintainable code Provide API documentation (Postman / Swagger preferred) Testing and debugging ✅ Required Skills: Strong experience in Node.js & Strong experience in React.js Experience working with third-party APIs Database knowledge (MongoDB / MySQL / PostgreSQL) Experience with RESTful API architecture Knowledge of authentication and security best practices Git version control experience ✅ Project Scope: API development for third-party application integration Frontend API integration support (if required) Documentation and testing Possible long-term collaboration based on performance...

    $717 Average bid
    $717 Avg Bida
    139 bida

    We are seeking an experienced React Native (Expo) developer to assist in implementing Bill of Lading (BOL) data flows and user interface within our dedicated driver mobile application. The ideal candidate will have a strong background in mobile app development and a keen eye for user experience. You will work closely with our...background in mobile app development and a keen eye for user experience. You will work closely with our design and product teams to ensure a seamless integration of BOL functionalities. If you are passionate about creating efficient and user-friendly mobile applications, we would love to hear from you! Relevant Skills: - React Native (Expo) - Mobile App Development - UI/UX Design Principles - RESTful API Integration - Version Control (Git) - JavaScript - And...

    $8 / hr Average bid
    $8 / hr Avg Bida
    108 bida

    ...let users create profiles, post updates, follow friends, and exchange private messages—nothing overly complex at first, but the foundations should be solid enough to grow. Here’s what I need delivered: • A responsive front end (React, Vue, or similar) with clean, modern UI components for feed, profile, and messaging. • A secure back end (Node.js, Django, or comparable framework) that exposes RESTful endpoints and handles authentication, user relationships, and real-time notifications. • A lightweight admin panel to moderate content and manage users. • Deployment scripts or documentation for hosting on a mainstream cloud platform (AWS, GCP, or Azure). I’ll provide branding assets and wireframes once we start. Code quality, clear commit...

    $22 / hr Average bid
    $22 / hr Avg Bida
    88 bida

    ...uncover patterns autonomously, and feed those insights into the application’s decision engine. Here is what I have in mind: data lands in an Azure Data Lake, is processed through Azure Databricks or Synapse, and the unsupervised models (clustering and anomaly-surfacing techniques are likely candidates) are trained and versioned in Azure Machine Learning. Model output then needs to be exposed via a RESTful endpoint, secured with Azure AD, and consumed by the front-end service. Everything must be CI/CD-enabled—GitHub Actions or Azure DevOps—so new experiments can move smoothly to production. Deliverables • Design document outlining the end-to-end Azure architecture • Reproducible training notebooks / scripts for the unsupervised models • Aut...

    $56 / hr Average bid
    $56 / hr Avg Bida
    44 bida

    ...readable, and highly reliable code. Technical Requirements Expert-Level PowerShell: Proven experience in real-world automation beyond simple Task Automation; you should be comfortable with advanced functions and script architecture. Windows Internals: A strong understanding of how Windows operates under the hood (Registry, permissions, and system services). API Proficiency: Solid experience handling RESTful services and web requests via PowerShell. Security & Identity: Good familiarity with Active Directory, Microsoft Entra ID (formerly Azure AD), and Microsoft Intune management concepts. Troubleshooting: Exceptional debugging skills and the ability to identify edge cases in script execution. The Ideal Candidate You are a self-directed engineer who doesn't just "w...

    $12 / hr Average bid
    $12 / hr Avg Bida
    15 bida

    ...application security, data protection, and best coding practices Required Skills & Qualifications: Bachelor’s degree in Computer Science, IT, or equivalent experience Strong understanding of programming fundamentals and software development lifecycle Experience with HTML, CSS, JavaScript, and at least one backend language Familiarity with databases such as MySQL, PostgreSQL, or MongoDB Knowledge of RESTful APIs and MVC architecture Experience with frameworks (e.g., React, Angular, Laravel, Django, or Spring) Strong problem-solving and analytical skills Ability to work independently and in a team environment Preferred Qualifications: Experience with cloud platforms (AWS, Azure, or Google Cloud) Familiarity with DevOps tools and CI/CD pipelines Understanding o...

    $14 / hr Average bid
    $14 / hr Avg Bida
    136 bida

    ...verifiable proof. You must build a database and front-end dashboard that stores and serves geotagged data (GPS coordinates and timestamped photos) for every single unit of impact. Users must be able to verify their specific contribution through a unique digital certificate or a live tracking link. Technical Requirements: Backend: Scalable architecture (Node.js, Python, or Go) with well-documented RESTful endpoints. Database: A NoSQL approach (like MongoDB or DynamoDB) is preferred to handle the rapid scaling and diverse data types (images/coordinates) required for millions of records. Security: Airtight data security and settlement logic to ensure every dollar collected is accounted for and matched to a verified event. Frontend: A lightweight, clean UI for a "Client Imp...

    $1672 Average bid
    $1672 Avg Bida
    40 bida

    ...private Git repository and staging server. • Document and prioritise fixes or improvements we agree on, then tackle them in small, testable milestones. • Push clean, well-commented code to Git, verify on staging, and help me roll changes to production once everything checks out. Core stack in use is modern HTML/CSS/JS with a popular front-end framework (React). The back end runs on Node, RESTful APIs, and a SQL database. Familiarity with performance tuning, accessibility best practices, and basic SEO is highly valued. Deliverable for each milestone 1. Updated source code committed to the repo 2. Short change-log outlining what was done, why, and any follow-up items 3. Confirmation that the feature or fix works on staging If you have recent examples of website...

    $201 Average bid
    $201 Avg Bida
    127 bida

    PROJECT SUMMARY A secure collaboration platform for ...client access here) • Pre-signed URL access • Storage sorting by file size • Backup storage toggle CLIENT: • Client can see the projects and versions of projects inside project directory • Client can upload requirements for upcoming versions • Client can manage backups generated for current projects • Client can give approval to delivered version • Email otp confirmation for acceptance/approval • RESTful API for client project backups uploads/downloads (Takes project name, project id input) Preferred tech stack : Java spring boot, Angular, postgresql, s3 compatible object storage This is very straightforward project if already worked on s3 compatible APIs. This is time sensitive p...

    $85 Average bid
    $85 Avg Bida
    22 bida

    - 8 Hours a day, Morning Hours, Indian Standard Time, - Monday to Sat, - 3 to 4 years experience in Laravel APIs - Use time tracker during work, - Sign a copyright agreement with ID before sending the code. Nature of work: A- Converting Restful API to GraphQL APIs, B- Creating New GraphQL APIs

    $12 / hr Average bid
    $12 / hr Avg Bida
    23 bida

    ...end-to-end product development: planning features with our product managers, writing clean and well-documented code, performing peer reviews, and shipping stable releases on a regular sprint cycle. We handle both web and mobile solutions, so a strong command of at least one modern back-end language (Java, Python, Node.js) and a front-end framework (React, Angular, or Vue) is essential. Familiarity with RESTful API design, Git-based workflows, and cloud deployment (AWS or Azure) will help you hit the ground running from day one. Successful delivery means: • Contributing production-ready modules that pass our automated CI/CD pipeline and peer review • Documenting architecture decisions in concise technical notes • Pairing with junior developers to share best practic...

    $495 Average bid
    $495 Avg Bida
    129 bida

    I need a hands-on full-stack developer who can own both the C#/ASP.NET Core back-end and a React front-end. The immediate focus is to build, test, and maintain a scalable web application that cleanly separates concerns yet feels seamless to the end user. On the server side you’ll architect RESTful endpoints with ASP.NET Core Web API, wire them to MS SQL Server, and keep performance in check through efficient queries and thoughtful caching. On the client side you’ll create reusable React components, manage state responsibly, and make sure the UI stays snappy across modern browsers. I expect clean, well-documented code, meaningful unit tests, and proactive communication when a requirement needs clarification. Collaboration is part of the daily routine: you will coordinat...

    $146 Average bid
    $146 Avg Bida
    21 bida

    My Laravel web application is already 80 % built and running on a staging server. I now need a seasoned Laravel developer to step in, review w...Trello marked “Done” and merged into the main branch • All routes returning the expected JSON or Blade output with no 5xx errors in the logs • php artisan test passes without failures and new critical paths are covered by basic tests • Fresh install instructions verified on a blank server (I’ll provision one for you) Tech stack you should be comfortable with: Laravel 10, PHP 8.x, MySQL, Git, RESTful API consumption, and a dash of front-end tweaking with Blade/Tailwind. Once everything is stable, wrap up with a brief handover note so I can maintain the codebase confidently. If this sounds like your ki...

    $153 Average bid
    $153 Avg Bida
    140 bida

    ...need a developer who can turn that plan into a clean, production-ready application. Core features we must deliver: • User authentication – secure sign-up, log-in, and role-based access • Data visualization – interactive charts/graphs that pull from our REST endpoints • File upload & download – reliable handling of documents up to 50 MB, with progress indicators The back-end will expose a RESTful API in Node.js (Express is fine), connect to a PostgreSQL database, and include JWT-based auth plus basic rate limiting. On the front-end, React (hooks, functional components) should consume those endpoints, render charts in something like Recharts or , and manage state with Redux Toolkit or Context. I’ll provide database schema, wireframe...

    $526 Average bid
    $526 Avg Bida
    239 bida

    I need you to build a full-featured ERP system t...and detailed scheduling that update inventory automatically. • Quality Control – batch-linked test results and release approvals accessible from the same dashboard. I am open to a modern stack of your choice—Python/Django, Java Spring, .NET, Odoo or similar—as long as the code is well-documented, version-controlled and deploys to our on-premise server. A central database, responsive UI and RESTful APIs for future scanner or mobile integrations are mandatory. Acceptance criteria: working prototype on our staging server, repo access with setup guide, and a brief video walk-through showing the three modules handling a complete production cycle. Weekly check-ins and incremental demos will keep us on track for ...

    $8112 Average bid
    $8112 Avg Bida
    188 bida

    I’m extending an in-house web application and need a React specialist who can work on-site in Hyderabad for the duration of the sprint. The core UI is already scaffolded; what’s missing is the feature layer and the API wiring. Here’s what you’ll be shaping: • Integrate RESTful APIs, GraphQL endpoints, and several third-party services directly into the React codebase, ensuring consistent error handling and state management. • Build secure user authentication flows (signup, login, token refresh) that hook cleanly into our existing backend. • Add real-time notifications—WebSocket or SSE is fine as long as latency stays low and the UI updates smoothly. • Implement reusable data-visualisation components (think charts, graphs, dash...

    $605 Average bid
    $605 Avg Bida
    57 bida

    Looking react developer to design and development of a modern, responsive, and high-performance web application using React.js The work will involve UI development, API integration, and performance optimization. The website will communicate with backend services through RESTful APIs to fetch and manage dynamic data. Performance optimization techniques such as lazy loading, code splitting, and memoization will be applied to ensure fast load times and smooth interactions.

    $13 Average bid
    $13 Avg Bida
    64 bida

    Rol...implementation and management of CI/CD pipelines for automated cloud deployments • Collaborate with our backend and agent build teams • Enable the team to work autonomously by documenting and transferring knowledge Required Skills & Experience • Strong React (Native) + Typescript skills • Demonstrated portfolio or code examples of previous work • Strong experience in Tailwind • Ability to integrate with RESTful backend APIs • General software engineering best practices • Ability to work independently and support knowledge transfer to internal teams Preferred Skills • Experience with chat apps and micro frontends • Familiarity with Teams bot framework and adaptive cards • Knowledge of data visualization libraries (e...

    $6 / hr Average bid
    $6 / hr Avg Bida
    33 bida

    ...stack that lets me generate unique payment addresses, confirm the transfer, and surface the confirmation back to my app in real time. Here’s what I need the finished package to do: • Solidity smart contract deployed on Ethereum mainnet (initially Kovan/Goerli for testing) that logs each payment, enforces one-time use, and emits an event my backend can listen to. • Lightweight Web3 interface or RESTful webhook that notifies my server once a transaction reaches a configurable confirmation depth. • Simple front-end snippet (HTML/JS) that shows the client the exact amount in ETH and the destination address or QR code. • Clear developer documentation, including how to redeploy the contract, rotate the receiving wallet, and test locally with Hardhat or ...

    $513 Average bid
    $513 Avg Bida
    110 bida

    ...only the data and actions relevant to each role, with a secure login, password reset and permission controls baked in from the start. Technical expectations – Any stable stack you are comfortable with (Laravel, Django, Node/React, etc.), provided it is well-documented and easy to deploy on a standard cloud server. – Responsive design that works smoothly on desktop and mobile browsers. – RESTful APIs or equivalent so new modules can be added later. – Source-controlled deliverables and an installation guide I can follow without guesswork. Acceptance criteria 1. All three modules operate error-free under load testing with sample data. 2. Role permissions prevent cross-access to restricted information. 3. Reports export cleanly to CSV/PDF. 4....

    $721 Average bid
    $721 Avg Bida
    120 bida

    Assalam o alaikum, I am looking for electrical engineers having expertise in f...following areas:  Embedded C Programming.  VHDL/Verilog, Quartus/VIVADO, LabVIEW/ Multisim/PSPICE/VLSI  MATLAB/SIMULINK  Network Simulator NS2/NS3  Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32.  IDEs like Keil MDK V5, ATmel studio and MPLab XC8.  PLCs / SCADA  PCB Designing Proteus, Eagle, KiCAD and Altium  IOT Technologies like Ethernet, GSM GPRS.  HTTP Restful APIs connection for IOT Communications. Actually I have multiple projects in different domains of electrical engineering and I already have a team of engineers working on them but due to workload I am looking for few more engineers to be a part of my team and work with us on regular basis.

    $184 Average bid
    $184 Avg Bida
    34 bida

    ...Record access ○ Record edits ● Digital consent forms ● Automated backups ● Data export tools ● High-level patient privacy and security 6. Multi-Branch & Scalability ● Central admin dashboard ● Cross-branch patient records ● Unified reporting across branches ● Scalable Laravel architecture for future mobile apps 7. Technical Architecture – Laravel-Based Approach Backend ● Laravel (latest LTS) ● RESTful API architecture ● Secure authentication (Laravel Sanctum / Passport) ● Role & permission management ● Queue jobs for notifications and reports Frontend ● Laravel Blade ● Responsive UI (desktop, tablet, mobile) ● RTL-safe Arabic UI Database ● MySQL ● Encrypted sensitive fields ● Optimized for medical records Infrastructure ● Cloud hosting ● Automated backups ● Scalable...

    $716 Average bid
    $716 Avg Bida
    145 bida

    ob Title: Senior Backend Architect: Automated Vehicle Valuation Engine & GHL Integration Project Overview: We are building a car buying website that will give instant, a high-volume ve...integration via GHL API v2 to handle lead tagging, instant SMS triggers, and title photo uploads. Database Management: Implement a database to track all historical quotes and auction outcomes for a feedback loop. Efficiency: The entire calculation must be optimized for 3s latency. Required Skills: Languages: Python (Selected), Node.js, SQL. APIs: API Development (Selected), API Integration, RESTful Architecture, Webhooks. Database: PostgreSQL or MongoDB. Automation: Experience with GoHighLevel automations and Twilio API. Bonus: Headless browser automation (Playwright/Puppeteer) for pri...

    $30 / hr Average bid
    $30 / hr Avg Bida
    197 bida

    ...Processing for Turkish language · Dialogflow or similar NLP engine · Webhook integration with e-commerce APIs · Admin dashboard for conversation monitoring · Analytics and reporting module Required Experience: ✅ Mandatory: · Previous WhatsApp Business API implementation experience · E-commerce chatbot development portfolio · Turkish language NLP processing experience · API integration expertise (RESTful APIs, webhooks) · Shopify integration experience ✅ Preferred: · Experience with Turkish e-commerce platforms (Ticimax, Ideasoft, Tsoft) · Knowledge of Turkish cargo company APIs · Multi-platform chatbot development (Facebook, Instagram) · Previous work with Turkish clients ✅ Nice to Ha...

    $14162 Average bid
    $14162 Avg Bida
    119 bida

    I want an original, impressionistic landscape rendered in acrylic on canvas to hang in my bedroom. The finished piece should convey the loose, evocative brushwork of classic impressionism rather than detailed realism, and it needs to complement a quiet, restful space. It would optimally look out a window (window frame shown in painting) at a wide river landscape (house is on the James River in Virginia). It should be 40 to 53 inches tall and 50 to 65 inches wide. If 40 x 60 standard is easier, that’s fine. The wall behind it is a dark blue. If you take on the commission, here is the flow I have in mind: • Share a quick sketch or digital mock-up so we can agree on composition, palette, and possible framing (plain light wood minimalist). • Provide a few progress p...

    $1916 Average bid
    $1916 Avg Bida
    15 bida

    I want an original, impressionistic landscape rendered in acrylic on canvas to hang in my bedroom. The finished piece should convey the loose, evocative brushwork of classic impressionism rather than detailed realism, and it needs to complement a quiet, restful space. It would optimally look out a window (window frame shown in painting) at a wide river landscape (house is on the James River in Virginia). It should be 40 to 53 inches tall and 50 to 65 inches wide. If 40 x 60 standard is easier, that’s fine. The wall behind it is a dark blue. If you take on the commission, here is the flow I have in mind: • Share a quick sketch or digital mock-up so we can agree on composition, palette, and possible framing (plain light wood minimalist). • Provide a few progress p...

    $958 Average bid
    $958 Avg Bida
    48 bida

    I’m midway through building a Laravel-based application and need another set of expert hands on the back-end. The core framework is already in place; now I want to accelerate feature development, tighten up existing code, and make sure everything scales cleanly. You and I will collaborate through GitHub feature branches and pull requests. Typical tasks will include creating or refactoring RESTful APIs, improving Eloquent relationships, optimising queries, adding queue jobs, and firming up middleware for role-based access. Clean, PSR-12–compliant PHP and meaningful PHPUnit coverage matter to me just as much as shipping fast. You should be comfortable working autonomously, yet open to regular code reviews and brainstorming sessions on Slack or Zoom. If you have experienc...

    $9 / hr Average bid
    $9 / hr Avg Bida
    170 bida

    Subject: Project Brief: Custom Booking & Logistics Engine for Unity Dear Freelancer, Unity is looking to commission a custom-built web application to handle our unique "Collection & Delivery Only" MOT and servicing model. This platform must automate the booking journey while managing real-time driver availability. 1. Key Functionalities Required VRM Integration: A lookup tool on the homepage via a RESTful API (e.g., Rapid Car Check or UK Vehicle Data) to pull vehicle make, model, and MOT expiry date. Geographical Validation: Postcode verification to ensure the customer is within our defined service radius. Logistics-Based Calendar: A booking system that calculates availability based on driver/logistics availability. The "Double Event" Logic: Each bo...

    $3140 Average bid
    $3140 Avg Bida
    264 bida

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