Backend java developerpekerjaan

Integrate 3 API only. Source code is ready. Able to follow and close project in 3-4 days

I urgently need a skilled Node.js developer to focus on backend development. The primary task is to integrate a payment gateway. We followed the instructions provided and implemented the following code using server-side Node.js. We utilized ngrok to enable HTTPS connections. We have successfully initiated a transaction using this code in the uploaded file. However, we encountered an issue retrieving the transaction, which should have been provided but is not available. We were advised to handle callbacks and decrypt the response, but we're facing difficulties in doing so. Handling callbacks and post-success payment URLs did not resolve the issue. We now need

I'm seeking a proficient C# developer, skilled in the .NET framework for a project. The exact application type is still to be confirmed. You should have: - Strong experience with C# programming. - Understanding of .NET framework. - Ability to work without strict time constraints. Time frames and further project details will be discussed upon connection. Looking forward to working with a focused and motivated professional.

I'm seeking a knowledgeable professional to create an engaging, high-quality video course about technology. The course should be...also cover key software development areas such as code writing and debugging, system design, and software testing. • The content should be geared towards an intermediate understanding, hence prior experience in teaching or tutoring at this level would be beneficial. Certifications and Skills Needed • Test-driven development • Knowledge in various software development languages (PHP, HTML, REACT, Java, Python, C++, etc.) • Excellent technical writing and communication skills • Experience in creating educational content, particularly video courses • A good understanding of the e-learning industry • Excellent video...

...reliable and creative React Native Developer to build a unique app for my business. Despite the information gaps, the app should ideally have: - User Authentication: Ensure users can identify themselves before gaining access. - Push Notifications: A tool to engage users. - In-app Purchases: Improve revenue stream. The ideal developer for this project should be proficient in the use of React Native and experienced in incorporating these functionalities. It's a bonus if you have a knack for creating user-friendly designs that encourage interaction and drive profits. Please include: - Examples of your past work, specifically involving React Native. - A detailed proposal defining your approach to this project. - Your overall experience as a React Native Developer...

I'm in need of a skilled developer to help me complete my VueJS and MongoDB project. I'll give you the starter code, project requirements, and the hosting details for the database. Key Requirements: - User registration and authentication: You need to set up a secure and efficient user registration and login system. - CRUD operations for data manipulation - Displaying chart data: The data that users interact with in this system will be represented visually through charts in a dashboard feature. You'll have to implement this feature. Existing Design: The project will require you to work with a pre-existing design. So, being able to implement the existing UI is vital. Project Objectives: The primary goal of this project is to create a Community Health Workers System....

I'm in serious need of an experienced website developer knowledgeable in WooCommerce. I am planning an e-commerce website and it will be based on selling digital goods. Requirements: - Skilled in developing user-friendly websites with WooCommerce - Adept at incorporating e-commerce within a website - Prior experience in handling e-commerce sites selling digital goods Your role involves the establishment of an e-commerce platform using WooCommerce from scratch. Proficiency in managing digital goods is crucial. A developer with a significant background on digital goods eCommerce websites will be top of my list.

I require the development of an Android Java Studio App designed for entertainment purposes with an emphasis on task management as a core feature. Specifications: - The application must be built using Android Java Studio. - It should ideally support up-to-date Android versions. Experience with Java programming language, Android SDK, and Android Studio IDE is crucial. Core Features: - Entertainment aspects to be discussed in greater detail at a later stage within the project. Creativity and ideas for entertainment-focused applications are a definite advantage. Task Management Features: - The app must primarily include the ability to manage tasks. While specific functionalities were not listed, potential features of interest could be creating tasks, setting due dat...

I am looking for: - An expert Swift/Kotlin developer with in-depth understanding of the Mobile App Development, as well as Firebase. - The app will be developed for both iOS and Android platform. - I have a Figma design and DB structure. - You should be an individual reliable/honest developer. Agencies will be declined automatically. - You need to sign a NDA to get started. - If you're proficient with all these specifications, you could well be the professional I'm looking for.

I am a php developer building api project on python , I need someone to assist me on project

Hello, 80% of the apis are ready , rest 20% are to be done. Total 6 to 8 apis are to be constructed. This is the documentation and completed apis: More details: What specific tasks would you like the Node developer to perform? Backend development What information should successful freelancers include in their application? Experience Are there any specific programming languages or frameworks that the Node developer should be experienced in? JavaScript

I am currently running a Java REST project built on Maven. I recently updated the project to JDK 11 to enhance performance. However, I'm now facing build failures with JMockit for JUnit 4. I require a skilled Java developer to assist in successfully building the project and resolving any issues that may arise during this process. Key requirements: - Expertise in Java development - Solid understanding of JUnit 4 and JMockit - Proficiency in Maven build tool - Experience in upgrading Java projects to JDK 11 - Troubleshooting skills to identify and resolve build issues - Clear communication to explain any necessary changes or updates to me. Your assistance will be greatly appreciated, and I look forward to working with a professional who can help reso...

Application mobile de rencontre un peu comme Tinder avec quelques particularités.

We are seeking a proficient Sanity Developer who specializes in mobile design and is adept at resolving website errors. As a Sanity Developer in this role, you will be responsible for creating mobile-friendly designs and addressing any technical issues or errors on our website using Sanity CMS to ensure a seamless user experience across all devices. Tech Stack: Sanity CMS HTML5, CSS3, JavaScript React.js (or similar front-end framework) Responsive design frameworks (e.g., Bootstrap) Version control systems (e.g., Git) Web debugging tools

I am in need of a skilled Django Developer to work with my team in my office in Delhi on a 4-week contract or less. Key responsibilities: - Collaborate on the development of a Django application - Implement and maintain a secure, efficient and scalable back-end - Integrate APIs as and when required Skills required: - Strong expertise in both back-end and database management - Proficiency in Django - Experience with secure and efficient code - Efficiency in API Integration and Django Rest Framework Please note that this position requires onsite presence in Delhi, so only those who can commit to this requirement should apply.

We are a dev team and seeking a highly experienced individual dev with in-depth proficiency in Laravel, Vue, and Flutter. Your responsibility will comprise the rebranding and extending of existing Codecanyon scripts. - **Script Rebranding**: I need a meticulous freelancer able to successfully rebrand scripts to brands of clients. - **Extending Scripts**: Your tasks also include extending Codecanyon scripts by adding extra functionalities, ensuring consistent, flawless operation , implementing APIs and adding the functionalities in the existing flutter app, testing, fixing any bugs to ensure smooth operations of the system. Pay : 1. INR1200/day or fixed amount as decided by our project managers, for 8 hours of work on anydesk/github for adding functions 2. INR 2000/project for rebrand...

...base reservation as we always work at night, today as ours is starting from 5pm until 4am next morning 2. duration (how many hours) and number of people per reservation when request reservation 3. able to post only limited rooms to online (we will make availability with only 3 salas out of 7 salas on online) 4. back end, admin has no limit to post reservation even out of open hours 5. Admin (Backend) able to move reservation hour or reduced / extend duration 6. clients can't change reservation after confirmed or can't cancel 7. reservation status showing either by color or text (sala unassigned/arrived/left) 8. able to work with stripe (payment method : card / bank transfer) prepayment (%) when making reservation, and the rest payment when they arrived. before p...

We are looking for a skilled WordPress developer with a strong background in creating dynamic and interactive websites. The developer will be responsible for building a feature-rich website that offers fare comparison between major ride-sharing companies, provides valuable content through a blog, and fosters community engagement through a dedicated forum. Skills and Requirements: Proficiency in WordPress development, including theme customization and plugin integration. Experience with HTML, CSS, JavaScript, and PHP. Ability to work with REST APIs to fetch and display real-time fare data from major ride-sharing companies. Knowledge of SEO best practices to ensure the website's visibility and search engine optimization. Familiarity with forum plugins to create a robust a...

I'm in need of a skilled PHP CodeIgniter Developer to help me debug my existing application. Key Points: - The main goal of this project is to fix bugs within the current application. Therefore, I require someone with a strong background in troubleshooting and debugging. - I'm specifically looking for a developer with extensive experience in PHP CodeIgniter. Therefore, please highlight your experience in this specific framework when you apply. Ideal Candidate: - Proficient in PHP CodeIgniter - Proven experience in debugging applications - Strong problem-solving skills - Excellent attention to detail - Ability to work independently and efficiently Please make sure to include your experience in your proposal. Looking forward to working together.

Hello We need to create the simple web application integrated chatgpt api There are 3 screens only (login/signup, choose model, result pages) We will provide the figma design. Frontend: react Backend: node & python Database: postgre db it will be complete in 2 days, We will hire only freelancers, not agency. If you are good fit for this task, please bid with 'not agency' word. Thanks

We are looking for a skilled WordPress developer with a strong background in creating dynamic and interactive websites. The developer will be responsible for building a feature-rich website that offers fare comparison between major ride-sharing companies, provides valuable content through a blog, and fosters community engagement through a dedicated forum. Skills and Requirements: Proficiency in WordPress development, including theme customization and plugin integration. Experience with HTML, CSS, JavaScript, and PHP. Ability to work with REST APIs to fetch and display real-time fare data from major ride-sharing companies. Knowledge of SEO best practices to ensure the website's visibility and search engine optimization. Familiarity with forum plugins to create a robust a...

I'm searching for an experienced Laravel developer to construct a site in two stages. This stands as a Software as a Service (SaaS) project designed to aid with product uploads onto e-commerce and marketplace platforms. Site will need to be built in Laravel using the blade framework and tailwind. It will include integrations with and I have provided a fill project outline so please ensure that it is read before bidding as i need the costing in 2 parts. The cost for stage 1 and cost for stage 2 as we would like an MVP of the product first. Please ensure that your bid has the cost of both parts but in the description include the split between both parts and the hourly rate.

Looking for an experienced Ruby on Rails back-end developer specialized in database management. The focus is to construct a medicine distribution system with a smooth, efficient process. - Key Requirements: * Extensive back-end development experience * Strong database management skills * Proven track record in Ruby on Rails

I am seeking a uniquely skilled developer to create a dynamic logistics application. The primary function of this app is to manage service logistics, enabling efficient assignment of tasks to technical teams. As the demands on the system will be varied, the selected expert should ideally have a strong command of angular 17 for frontend development, and Postgres for backend purposes. Core functionalities: - Service Creation: The app should enable the initiation of services. - Automated Service Assignment: The app should come with an in-built mechanism to assign services to the technical team based on their current availability. - Urgency-based Ranking: Prioritize assignment of services according to urgency, working on a first-come-first-serve basis. Preferred Skills and ...

1) Implement MOSSE with SCRFD for Java Android 2) Implement it in our app by replacing MLKit and connect it to our engine 3) Replace our engine with ARCface The App must be fast and robust. For the 1st milestone deliverables... implement MOSSE tracking with SCRFD for Java Android running the C++ libs. Create a demo app that runs detection and tracking and: 1. shows boxes and tracking ID for each face detected. 2. model size 3. fps 4. face confidence 5. screen resolution 6. Allow the app to run on Android's both front and back camera 7. add a zoom feature if supported by the device's camera. 8. add an option to upload and process recorded videos. no need to do ui/ux design key point is to integrate c++ library with android app Need to do some test before start C...

I'm in need of an exceptionally experienced Unity Developer who can aid in crafting an action game for the PC platform. Key responsibilities will include: - Collaborating in the design & development of the game mechanics and user interface - Debugging and optimizing for compatibility and performance on PC - Implementing innovative and immersive gameplay features Ideal Candidate Skills: - Expertise in Unity game development - Proven history of developing action games - Strong grasp on C# and object-oriented programming - Familiarity with PC game development and compatibility optimization Applicants, please share your relevant portfolio pieces and prior experiences pertaining to action PC games development.

...software programmer who is proficient in Python, Java, and C++ to develop a small-scale software program primarily aimed at automating a specific task. The task itself is relatively simple, but the automation of it is critical to increase efficiency. Key aspects of the project: - The software program must be designed to automate a specific task. It's crucial that the programmer fully understands the task at hand to ensure a seamless integration of automation. - The scope of the project is small-scale, so the focus is on developing a functional, efficient automation solution. - Proficiency in Python, Java, and C++ is non-negotiable. The software is expected to be developed using these languages. Ideal skills and experience: - Proficiency in Python, Java, and...

Seeking an expert Access Developer to undertake some key aspects of a large-scale relational database for our office team. Tasks include: - Database Design and Development: Plan and construct a robust relational database incorporating more than 20 tables. - Form Creation and Customization: Create and customize user-friendly forms for data input and manipulation. - Report Generation and Analysis: Design analytical reports that will aid our decision making. Ideal skills: Proficiency in Microsoft Access, understanding of relational database theory and form design, experience with report generation and analysis. Prior experience working on large-scale databases would be a plus. This project offers a challenge but also a great opportunity for you to showcase your expertise and abil...

I'm looking for an expert programmer proficient in Node, The bot was created to scrape coins from my Telegram group via API integration but currently, it isn't purchasing as expected. Specifically, I'd require someone who could: - Identify and fix the issues that prevent it from purchasing and selling the scraped coins. - Make sure the bot interacts properly with the Latoken cryptocurrency exchange. This task would suit someone with a strong background in bot programming, API operations, web scraping, and experience dealing with cryptocurrency exchanges, particularly Latoken. Knowledge of crypto trading bots' operational peculiarities would be a major plus. Your task would be to get it back to working condition, ensuring all functions operate as they should. This job...

I need a Joomla plugin developer to create a payment plugin specific to J2Store. Skills and Experience: - Joomla Plugin Development - Extension Specific for J2Store - API payment integration

I'm looking for an expert programmer proficient in Node, The bot was created to scrape coins from my Telegram group via API integration but currently, it isn't purchasing as expected. Specifically, I'd require someone who could: - Identify and fix the issues that prevent it from purchasing and selling the scraped coins. - Make sure the bot interacts properly with the Latoken cryptocurrency exchange. This task would suit someone with a strong background in bot programming, API operations, web scraping, and experience dealing with cryptocurrency exchanges, particularly Latoken. Knowledge of crypto trading bots' operational peculiarities would be a major plus. Your task would be to get it back to working condition, ensuring all functions operate as they should. This job...

I'm looking for a professional who can make a .jar file in Java 17 for me. It is intended to be a software product which I want to package and distribute. Here are the specifics: - Purpose: The main goal of this project is to create a .jar file that is user-friendly and easy to use for anyone who downloads it. - Platform: The .jar file should be compatible specifically with Windows operating systems. It should be tested and guaranteed to run smoothly on those systems. You should have: - Proficient in Java 17 and Eclipse. - Prior experience in creating .jar files for software products. - A good understanding of user experience and interface design to ensure the .jar file's usability. I'm open to suggestions on how to improve this project. Your creativity and...

Good evening, I need help with a Python assignment and I also need programming tutorials in java, Python, mvc, php, Javascript, mysql, jQuery, html, css, asp.net, c#. The tutorials would be in Spanish. I need them as soon as possible.

I am looking for an expert developer who possesses an in-depth understanding of Java multi-threading, specifically the Executor Service method. The main task involves partitioning a loop in a program I'm currently working on. Key Responsibilities: - Understand and modify my existing Java code - Partition the given loop to enhance performance by effectively spreading the workload across different threads - Use the Executor Service method as the default way for threading Most importantly, to be considered for this project, applicants should highlight past roles or projects where they've successfully implemented a similar Java multi-thread solution. Additionally, having an excellent grasp of loop partitioning for performance enhancement will be a c...

Sila Dafter atau Log masuk untuk melihat butiran.

We are using an online field service software platform called Uptick for our field technicians to carry out inspections of fire systems. The online software we use generates a PDF report based on the field technician inputs. We have access to the CSS/HTML/DJango source code to modify the PDF output. We require a developer who will work with us to generate a PDF output based on our design by modifying the existing source code. Please note: The developer must be willing to discuss the project via [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] so that clear instructions can be discussed as to the required PDF output.

More details: What platforms would you like the auto-rickshaw booking app to be developed for? Both What specific features should be included in the app? Real-time tracking, Integrated payment system, User rating system Do you have any design preferences for the app? Minimalistic and clean We can book auto using mobile phone, online through web portal and kiosk in the exhibition.

I'm in need of an expert Telegram BOT developer who can Develop Telegram bot for Solana blockchain Please apply only if you have develop any telegram bot related to blockchain

We are in search of an intermediate level Java developer with in-depth knowledge on multi-threading. The main task presents a for loop which needs to be partitioned between n number of threads. Your skills and experience should include: - Solid understanding of Java programming language - Hands-on experience with multi-threading in Java - Proven experience with running Java applications with multiple threads To ensure your competency for the task, applicants should provide documentation of past work specifically highlighting instances with similar programming challenges. Join us in this interesting endeavor, let's make the code more efficient together!

Java based app backend for tourism activities need 2 things. 1 - add a copy activity in activity page to copie a existing activity content to a new one 2 - migrate backend from vps centosOS to cpanel based hosting.

Job Description: We are seeking an experienced Backend Developer to develop and maintain our next-generation VPN server software and Wireguard exit nodes. Our goal is to provide secure VPN connectivity through our OpenWrt-based router firmware. The successful candidate will be responsible for developing a robust VPN server software or internet gateway software that can authenticate the certificates, keys, or other authentication methods sent by our existing client software and grant internet access. The software should be compatible with both rented hosting solutions and in-house servers. Additionally, you will be tasked with creating comprehensive server software instructions to enable easy deployment and management by non-technical personnel. Key Responsibilities: 1. D...

I am seeking a skilled developer fluent in Solidity to develop a web3 smart contract using the Base Sepolia Test Net. Your task will involve: - Developing web3 integration - Designing the simplest UI possible Ideal candidates should have previous experience with Ethereum blockchain technology, Solidity programming distinct to the Base Sepolia Test Net, and the creation of adaptable user interfaces. A background in web3 integration is highly desired. Please provide samples of smart contracts you've developed or relevant project references in your bid.

I'm seeking an experienced WooCommerce developer who can also tackle SEO. (Note: Site is 97% Complete, you will be doing 3%) to Flip the swicth to Live Domain. Key Responsibilities: - Implementing advanced SEO techniques using Rank Math SEO (Paid) to optimize the site. (Installed) - Providing assistance in identifying target audience and keywords for the SEO campaign. -We are seeking a skilled WooCommerce Developer/SEO Specialist to join our team and optimize our newly migrated e-commerce store on WordPress WooCommerce. As a pivotal member of our team, you will be responsible for ensuring the site's optimal performance, visibility, and user experience through effective web development and SEO strategies. Our newly migrated site is ready to switch to the live domain...

I'm looking for an intermediate-level Node.js developer who can help me in building a server-side API and real-time applications. Key Responsibilities: - Develop server-side API: You will be responsible for creating a robust server-side API that can handle data requests efficiently. - Build real-time applications: You should have experience in developing real-time applications that provide seamless user experience. Ideal Skills and Experience: - Hands-on experience with Node.js and server-side development. - Familiarity with real-time application development. - Proficiency in using frameworks like , , and will be a plus. - Prior experience in building scalable and performant applications. - Intermediate level of experience and expertise in Node.js development.

I am seeking a web designer who can refine and improve the layout of the included CX Navigation Script. - Skillset: Proficiency in HTML and Java is a must-have. - Design: The project entails taking the existing HTML design attached and improving its functionality via a combined/redesigned menu bar. Creating a more modern, clean, and user-friendly design that reflects a minimalist aesthetic. Along with adding the below improvements. Birthday Pop Up (Modal/TBD): Currently titled as (openpop1) to be triggered upon selecting the “Caller is verified” #button# in the “Inbound Opening Call Script”. If the requirements are met that are currently in the script then it should populate on the screen. However, the end user should not have to interact with the pop up ...

Hello, I need a developer with a lot of experience in Java, Python and Socketweb - with the ability to create and solve problems with easy understanding of codes The rest of the details will be given to the correct developer

I need to create new functions in a system based on React.JS, Java Script

I have previously worked code in and stored but it stopped working because readyPromise doesn't work and in that case, it can't load sequently and crashes. New Java stuff?? It doesn't recognize readyPromise with var/const only works as await. Async has problems too. Even without Crashing tilesets seem not to load both from ION and Private/Public Domain. Need to solve this ASAP. You need to download files and work within your Domain or IDE or any other way to work directly with CESIUM LIBRARY!!!!! Or I will give you my Domain FTP access to the project folder and you can Upload .js .html files and see RESULTS in this directory as it will load html and js: YOU HAVE TO WORK WITH CESIUM LIBRARY!!

...I am looking for a skilled developer to create a high quality front end (including admin panel) without any bugs/alignment issues/spacing issues/responsiveness issues and work well and look good on mobile/laptop/desktop for my website using the MERN Stack. The key features of the front end design include a responsive design, user-friendly navigation, and custom animations. I prefer to use Tailwind CSS for this project. I need the project completed within 1-2 weeks, so the ideal candidate will have experience working with tight deadlines and be able to deliver quality work within a short timeframe. Tech: Front-end Framework: React.js/Angular with + Typescript Styling: Tailwind CSS Requirements: - Must be ready to be able to be integrated with a backend and have all com...

I'm in need of an Android App developer who has a deep understanding of troubleshooting and resolving video playback issues, particularly with MP4 format. Currently, videos within my app are buffering and failing to load fully, which disrupts the overall user experience. - Competencies Required: - Extensive experience with Android App development - Specific experience in handling video-related issues in Android apps - Deep knowledge of MP4 video format in relation to app integration Your task is to diagnose and rectify this issue ensuring smooth and complete video playback. I would appreciate if you include your diagnostic plan in your proposal.