Senior Developer Need

@SBITServices

Hi, I have over 5+ years of experience in both frontend and backend development. I will do the specified tasks. Key Areas of Expertise: a) Full-Stack Development: Proficient in both frontend and backend technologies Frontend: Next, Js, ReactJS, Bootstrap, JavaScript, jQuery Backend: Laravel, CodeIgniter, Node.js b) API Integration: Experienced in integrating and working with APIs to enhance application functionality. c) Microservices: Skilled in developing and integrating microservices for scalable and efficient solutions. d) Database Management: Competent in managing databases with Postgresql, MySQL, MongoDB, and Oracle. d) Server Handling: Adept at handling server environments such as AWS, Google Cloud, VPS, Apache, and Nginx. Let’s discuss how I can help achieve your project goals and add value. Lets connect in chat so that We discuss further. With Regards, Sai

@denisSolution

Hello, With over 7 years in the field, my mastery in both frontend and backend development, using your required technologies such as Python, JavaScript, Node.js, React, Next.

@pkundu25

I am an experienced AI Developer (Full-stack). Your job caught my eye and looks to be quite interesting to me as I developed varieties of AI Agent and Agentic AI systems in recent past. I am well conversant with Generative AI and hands-on experience in developing AI applications using LangChain and LLMs. I am fluent in English, reliabale and proactive having experience working with international clients. I am confident that I will be able to help you by developing AI-powered complex web applications by taking full ownership of the projects. Similar work done in the past: - AI Agent for Risk and Mitigation - AI Powered Copilot for Text2SQL Query - Document segmentation using Agentic AI - ChatPDF - Semantic search engine Relevant Skills: - Python Django/Flask/Node.js/React.js - Agentic AI - LangGraph/n8n - GPT4o/Gemini/Llama3.2/Mistral - AWS/Thunder Compute - MySQL/PostgreSQL - TensorFlow - Google Colab - OpenCV Let's have a chat to understand the project objective and other relevant details. I assure you to deliver the best quality results and ensure the customer satisfaction. Looking forward to hearing from you soon. Thanks for the opportunity.

@ashinnd84

Hello there, we are a team of Python , senior Data Analyst, Full Stack Web and Mobile App developers. Please, send me a message to discuss the work. Thanks Ashish Kumar.

@amadorjay

Hello, The main engineering challenge lies in ensuring seamless integration between frontend and backend components while managing state consistency across the application. Another critical aspect is designing a scalable architecture that can handle varying loads and facilitate efficient API interactions. To clarify, what specific data flow requirements do you envision for real-time interactions? Additionally, are there any existing systems we need to integrate with, or will this be a standalone solution? Understanding these constraints will guide the development process effectively. Looking forward to discussing the project further.

@Rajoriadares

Hello Client, Greeting of the day!!!! I read your job description. I can do this job with quality product. I am always available for your support. Thanks

@HemantManglani01

Hello, I’m Hemant Manglani, Full Stack Development with 6+ years of hands-on experience in building scalable and reliable software systems. I mainly work on Python backend development, Reactjs, Nextjs, Nodejs, cloud-based systems, and real-time applications, and I have strong experience with Django, FastAPI, PostgreSQL, and AWS. Very well known with the AI, Langraph, Langchain and other AI automation tool. I have worked with startups, product-based companies, and as a freelancer. I usually handle projects end to end from understanding requirements and designing the system to deployment, monitoring, and performance improvement. I like building systems that are stable, easy to maintain, and useful for real business needs. I would love to join your team and discuss more on the project requirements. If sounds good we connect to dicsuss more on that. Best Regards, Hemant

@imranhaider2018

Hey Dear , I just read all your job description A to Z and noticed you need someone skilled in Amazon App Development, API Integration, JavaScript, React.js, Python, AWS Lambda, NoSQL Couch & Mongo, Frontend Development, Node.js and Next.js. That’s right up my alley. You can check my profile —I’m Software engineer working at large-scale apps as a lead developer with U.S. and European teams. I’ve handled several projects using these exact tools and technologies. Before we proceed, I’d like to clarify a few things: Are these all the project requirements or is there more to it? Do you already have any work done, or will this start from scratch? What’s your preferred deadline for completion? Why Work With Me? 1) Over 150 successful projects completed. 2) I have not received a single bad feedback since the last 3-4 years. 3) You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. 4) Long-term track record of happy clients and repeat work. I prioritize quality, deadlines, and clear communication. Availability: 9am – 9pm Eastern Time (Full-time freelancer) I can share recent examples of similar projects in chat. Let’s connect and discuss your vision in detail. Kind Regards, Imran Haider

@copulas

I am delighted to introduce myself as Takashi from COPULAS Co., Ltd., a seasoned development studio based in Tokyo with a strong emphasis on building robust and user-centric software systems. With over 15 years of experience in full-stack engineering, we don't just build applications; we create meaningful and reliable solutions that are cherished by teams long after their launch. At COPULAS, we bring more than just technical expertise to the table—we offer a proactive approach, reliability, and a deep appreciation for long-term collaboration. We understand that you're not just looking for a developer to "ship" features but rather someone who can take ownership of projects and consistently deliver high-quality outcomes. Our rich experience in working on modern web applications and AI-based systems makes us an ideal fit for this job. Let's not just complete your project together; let's continue building impactful software over the long haul!

@AsimPacer

With my extensive experience in web development using fullstack technologies like Python, JavaScript, Node.js, and React.js, I believe I am an excellent fit for your project. I have successfully taken multiple complex web application projects from concept to launch, which showcases my ability to handle full stack development tasks independently. Not only do I have a deep understanding of backend and frontend development, but I am also adept at API integration and building scalable architecture which aligns perfectly with your requirements. Additionally, my high level of proficiency in English ensures clear client communication and accurate implementation of project specifications. My adaptability to remote working environment coupled with my commitment to deadlines makes me an ideal choice for long-term collaboration, something your project explicitly calls for. Furthermore, having worked on modern web applications in the past including startup projects and AI-based systems makes me highly adaptable and effective at adding value to myriad aspects of your development endeavors. with clients to ensure we build and deliver reliable and maintainable solutions that truly reflect your business goals. I look forward to discussing how we can leverage my skill set to take your project to new heights. Let’s get started!

@artemb35

Hey there! I’m genuinely excited about the opportunity to work on your web application project. I’ve tackled similar challenges before, notably a complex e-commerce platform where I led the full stack development using React and Node.js. It was a wild ride, but we launched on time and exceeded our client’s expectations! One of the standout features I implemented was an AI-driven recommendation engine that personalized user experiences based on behavior patterns. It not only boosted engagement but also gave the project that extra edge. I’ve reviewed your requirements, and I’m confident my experience aligns perfectly. In terms of past work, I can share links to projects that highlight my expertise in both frontend and backend development. I’m curious about the specific challenges you foresee in this project, especially regarding the API integrations you mentioned. How do you envision them working within your current architecture? Let’s hop on a quick Zoom this week to discuss how I can contribute effectively. Looking forward to your thoughts! Best, Artem

@mussaibb7

Based on the job description, I'll build a backend flow that stays clean under real API, deployment, and error-handling conditions. This involves designing a robust Python backend with FastAPI, integrating it with APIs, and ensuring reliable deployment and maintainability. My experience in delivering multi-client ML inference APIs, such as the Multi-Client ML Inference API, has prepared me for this challenge. In this project, I deployed multi-client ML inference APIs with sub-200ms latency and production-grade cloud delivery. I also built Jarvis AI to orchestrate 30+ automated workflows across scraping, system actions, and API-driven automation. To execute this project, I'll start by clarifying deployment targets, API boundaries, and whether this is a greenfield or existing service. Next, I'll design a clean backend structure with FastAPI, implement API integrations, and ensure error handling and maintainability. Finally, I'll provide environment setup instructions and a README for future reference. Before starting, I'd like to confirm: Do you already have the API contracts and environment ready, or should I define that structure first?

@jeremiasg17

Hello! I’ve developed a similar full-stack web application that significantly improved scalability and performance for a startup. I’d love to share the implementation details with you in chat. My approach would focus on leveraging a combination of React for the frontend and Node.js with Python on the backend, ensuring seamless API integration and a robust architecture. Given your requirements, I'd be interested to know how you envision the data flow between your frontend and backend services. If you’re open, I can share insights from my previous build and we can see if it aligns with your project goals. Looking forward to your thoughts!

@jann029

Hello, As an accomplished architect with over 14 years of experience in C++, I bring a unique skillset to the table that sets me apart from the typical "full-stack" developer. My expertise in optimizing and architecting mission-critical systems aligns perfectly with your requirement for a senior developer who can handle complex web applications with ease. I have a deep understanding of the languages and frameworks you need like Python, Node.js, React.js, as well as experience with AWS. What truly distinguishes me is my ability to diagnose and eliminate performance bottlenecks which is essential when handling AI-based systems at scale. My strong knowledge in employing protocols such as WebRTC, SRT, RTSP will help me communicate effectively in your remote development team. Backed by years of edge AI performance and high-concurrency system creation, I offer you not just coding skills but creative and optimal tech solutions. In essence, I’m not just well-versed in the technology stack you’re seeking but also have the proven ability to become an owner of your projects and consistently deliver high-quality results - not just meeting the apparent deadlines but ensuring maximal long-term efficacy. Expanding my horizon into a startup scenario while retaining my niche technicality excites me to no end! Choosing me ensures an embedded full-stack senior dev/ architect who can fully understand your project requirements, work proactively and re Thanks!

@Aqsa4400

Hello, I have thoroughly reviewed your project requirements for a Senior Developer with expertise in both frontend and backend development. I am confident in my ability to handle full stack development tasks independently and contribute effectively to complex web application projects, ensuring a seamless transition from concept to launch. With over 5 years of experience in JavaScript and Frontend Development, I am well-equipped to meet the demands of your project. To get a better sense of my skills, please visit my portfolio: https://www.freelancer.pk/u/Aqsa4400 I would love to discuss your project further. Please start the chat so we can explore how I can provide a professional and tailored solution to meet your needs. Best regards, Aqsa Usman

@pmteam

Hi there, DO NOT PAY ME UNTIL YOU GET COMPLETELY SATISFIED WITH MY WORK :) I will be glad to start on the project immediately. Will provide you 100% satisfaction. Ping me so that I can share you my previous work and lets create a masterpeice for you and if you will not like my work I will refund you the whole milestone :) Best Regards, Vijay

@martinitorquato

Subject: Taxi App Development - Leveraging Proven Expertise in Both Frontend & Backend Hello, I've been intrigued by your posting for a Senior Developer, as it aligns with my extensive 14-year journey in the industry. Specifically, I've shipped a taxi app with driver tracking and payments, which shares similarities with your project. In my recent work, I built an Data Asset and Analytics System (Infomance DAAS) that processed 93M records via BigQuery, ensuring sub-second response times. This experience will be invaluable for optimizing the efficiency of your application. For this particular project, I'd like to address a specific technical aspect: implementing offline queues and sub-second latency using technologies such as Socket.IO. This approach would ensure seamless user experience even during network disruptions. Two questions that come to mind: Are we considering the use of React Native or Flutter for the frontend development? Also, what are the preferred APIs or services for handling geolocation and payment processing? Regarding compensation, I typically charge $35/hour. For this scope, I estimate a total of $250. - Raphael | Staff Engineer | [stack]

@AngelLikeLena

⭐⭐⭐⭐⭐Hello, Thanks for your job posting. I’m a Senior Full Stack Engineer with 10 years of experience in web & mobile development, and AI engineering. I admire your company’s work, and I’d love to explore potential opportunities to contribute to your team. Would you be open to a brief chat? Regards, Lena

@aryans0480

Global Rank-1 DevOps/Fullstack Expert: Fast, secure, scalable MERN/Python apps delivered in less time & cost.