
Closed
Posted
Paid on delivery
I’m moving a web-based product forward and need a senior-level developer who is truly fluent in Python. Your focus will be end-to-end web development: shaping the back-end logic, wiring it to a clean, responsive front-end, and ensuring the finished app deploys smoothly to production. Day-to-day work will revolve around designing new features, refactoring legacy modules, and tightening security and performance. If you’re comfortable in frameworks such as Django, Flask, or FastAPI, you’ll feel right at home here—choose whichever tool best fits the task at hand. My expectations are straightforward: • Well-structured, idiomatic Python code pushed to Git regularly • Clear, concise documentation so future team members can extend your work • Unit and integration tests that give us confidence before every release Once we agree on an initial milestone, I’ll share an existing code snapshot, detailed functional specs, and access to the CI pipeline. If you love building robust web applications in Python and can own a feature from concept through deployment, let’s get started.
Project ID: 40577901
197 proposals
Remote project
Active 3 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
197 freelancers are bidding on average £6,977 GBP for this job

A Warm Hello! We are readily available to start working on this project! We would be excited to partner with you on the continued development of your Python-based web application. As an experienced software development agency, we specialize in building scalable, secure, and maintainable web platforms using modern Python frameworks. Whether your application requires feature expansion, legacy code refactoring, performance optimization, or production deployment, our senior engineers are well-equipped to take ownership from architecture through release. Development Process Our engagement typically follows these milestones: Phase 1: Codebase review, architecture assessment, and environment setup Phase 2: Feature development and legacy module refactoring Phase 3: Performance optimization, security hardening, and API improvements Phase 4: Comprehensive unit and integration testing Phase 5: Production deployment, documentation, and knowledge transfer Throughout development, you'll receive: Regular Git commits with well-structured code Transparent sprint updates Code reviews and technical documentation Continuous testing before every release We look forward to reviewing your existing codebase, discussing the functional specifications, and helping you deliver a high-quality product. Best Regards, Ana
£7,500 GBP in 60 days
9.3
9.3

I am a seasoned Python developer specializing in full-stack web development, equipped to address the comprehensive needs of your web-based product. With extensive experience in frameworks such as Django, Flask, and FastAPI, I can seamlessly integrate and capitalize on whichever tool best fits the task at hand. I have successfully led development projects where back-end logic integrates fluidly with front-end elements, ensuring a responsive and clean user interface. My experience spans designing new features, refactoring legacy systems, and implementing robust security and performance measures—aligning well with your project's requirements. I am committed to writing well-structured, idiomatic Python code, regularly pushed to Git, complemented by clear documentation and thorough testing protocols. By doing so, I ensure maintainable and scalable solutions that enhance functionality and team collaboration. I am interested in discussing the initial milestone and your specific goals in greater detail. Could we schedule a time to explore how I can contribute to driving your product forward?
£5,000 GBP in 30 days
8.5
8.5

Hi — Elias here from Miami. I see you're looking to advance a web-based product with a senior Python developer. The goal is to ensure a robust, efficient solution that aligns with your vision. What usually matters most here is maintaining clean code and an architecture that supports future scalability. A common issue in systems like this is managing complex integrations, especially if you require seamless data flow between components. The tricky part is usually ensuring that the application can handle varying loads without sacrificing performance. My approach would involve structuring the backend using Django or FastAPI, depending on your specific requirements. I focus on creating a solid foundation that allows for easy updates and integrations, ensuring that we can enhance the system as your product grows. I’ve worked on similar projects where I’ve implemented web scraping and API integrations, which helped streamline operations significantly. A few questions to better understand the scope: Q1 – What user roles and permissions will be necessary for your application? Q2 – Are there specific integrations or third-party services you foresee needing? Q3 – What are your expectations regarding scaling and performance under load? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
£7,500 GBP in 26 days
8.3
8.3

With over a decade of experience in full-stack architecture and high-scale systems, I understand the critical need for a senior Python web developer to drive your web-based product forward. Your focus on end-to-end web development aligns perfectly with my background in delivering high-performance solutions for complex systems. One strategic insight for ensuring scalability and security in your project is to prioritize clean and idiomatic Python code, paired with thorough testing to build confidence in every release. Drawing from my past success in scaling apps serving over 1 million users, I am confident in my ability to meet and exceed your expectations. I invite you to reach out to discuss how we can collaborate on this exciting project. I am ready to bring my expertise in Python, Django, and Flask to help you shape the future of your web application. Let's work together to create a robust and efficient solution.
£8,000 GBP in 60 days
8.2
8.2

⭐⭐⭐⭐⭐ Senior Python Developer for End-to-End Web Development ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a senior-level Python developer. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects focused on web development. I will create the back-end logic, connect it to a responsive front-end, and ensure smooth deployment. I will design new features, refactor legacy modules, and enhance security and performance. I am experienced with frameworks like Django, Flask, and FastAPI, choosing the best tool for each task ➡️ Why Me? I can easily handle your web development needs as I have over 5 years of experience in Python development, specializing in back-end logic, front-end integration, and application deployment. I also have a strong grip on frameworks like Django and Flask, ensuring your project is in capable hands. ➡️ Let's have a quick chat to discuss your project in detail and let me show you examples of my previous work. I'm looking forward to our conversation! ➡️ Skills & Experience: ✅ Python Programming ✅ Django Framework ✅ Flask Framework ✅ FastAPI Framework ✅ RESTful API Development ✅ Git Version Control ✅ Unit Testing ✅ Integration Testing ✅ Code Optimization ✅ Security Best Practices ✅ Front-End Integration ✅ Documentation Writing Waiting for your response! Best Regards, Zohaib
£6,000 GBP in 2 days
8.1
8.1

Hi! I’m a Senior Python Engineer with 10+ years of experience building production-grade web applications using FastAPI, Django, Flask, REST APIs, PostgreSQL/MySQL, and AWS. I enjoy owning features end-to-end—from architecture and backend development to deployment, testing, documentation, and CI/CD. I’ve worked extensively with legacy codebases, refactoring modules, improving security, optimizing performance, and writing clean, maintainable Python code with comprehensive unit and integration tests. My previous projects include scalable SaaS platforms, automation systems, API integrations, and high-traffic backend services. You’re also welcome to review my profile—many of my long-term US clients specifically mention my communication, reliability, and technical skills in their reviews. I prioritize writing idiomatic, well-tested code that’s easy for future developers to extend while delivering features quickly without sacrificing quality. I’d be happy to review your existing codebase, propose improvements, and help move your product smoothly from development to production. I look forward to discussing the project further.
£7,500 GBP in 7 days
7.9
7.9

Hi, I will take your existing Python web product, refactor the legacy modules, build out new features, and deliver a production-ready app with clean test coverage and documentation that your future team can extend without guessing. On a recent Django/FastAPI project, tightening the authentication layer and adding proper integration tests cut post-release bugs by roughly 40%. You will get a short update at the end of each day so nothing drifts. Questions: 1) Is the current codebase primarily Django, Flask, or FastAPI, or is the framework choice still open for new modules? 2) Do you have a staging environment already set up, or will that be part of the initial milestone? Share the existing code snapshot and CI pipeline access, and I will deliver a written audit of the current architecture within the first 48 hours. Best regards, Kamran
£5,648 GBP in 30 days
7.6
7.6

Hi! This sounds like a solid ongoing engagement — Python end-to-end is exactly our wheelhouse. A couple of things worth clarifying before we dig in: is this a one-off milestone or are you looking for continued involvement over time? And do you have a sense of the current stack — Django, Flask, FastAPI, or something else? Knowing that (plus a peek at the codebase) would let us give you a much more accurate read on scope and pace. We work cleanly — Git discipline, tests, docs — so your future team inheriting the code won't hate us. Happy to keep the conversation going here before committing to anything. Also, time and money is to be discussed at a later stage, ok? Gustavo & the DoTheCode team
£10,000 GBP in 45 days
7.4
7.4

With over a decade of full-stack web development experience, my proficiency in Python has been honed to an expert level. I am fluent not just in the language's syntax and conventions but also understand how its design principles can be tangibly employed to shape and optimize your web product. My background includes in-depth exposure to the entire web development process, from designing new features to refactoring and improvement of legacy modules, to ensuring top-level security and performance for a seamless user experience. While proficient in Django, Flask, and FastAPI, I'm comfortable adapting to new technologies as per project requirements. My work ethic aligns seamlessly with your expectations — regular Git commits with well-structured Python code, clear/documentation that eases future development efforts, and thorough testing for maximum reliability. The numerous mobile apps I've developed are indicative of my ability to build robust applications against tight deadlines.
£10,000 GBP in 90 days
7.7
7.7

With over a decade of experience in Full Stack Development, WordPress, Mobile App Design, SAAS Development, and more, I have a proven track record of delivering successful projects to a wide range of organizations. My expertise includes Python web development using frameworks like Django, Flask, and FastAPI. I prioritize clean, well-documented code and comprehensive testing to ensure a robust web application. To proceed, I will need more details on the project requirements, timeline, and budget. Let's work together closely to bring your vision to life. Do you have a preferred communication channel for further discussions?
£9,000 GBP in 5 days
7.0
7.0

This sounds like a solid Python web application build-out, and I can take ownership of the technical side properly. I’ll focus on structured code, performance, security, testing, and smooth deployment so the app is stable for production. If the existing code is already in place, I can also clean up legacy modules without disrupting the current flow. Share the code snapshot and CI details and I’ll outline the best first milestone.
£6,000 GBP in 7 days
7.0
7.0

You're building Senior Python Web Developer Needed, where the real delivery risk is usually in the workflow details, not just the feature list. I have handled similar systems where the important part was turning a broad brief into a reliable working version. My approach would be to first isolate the highest-risk workflow in the brief, then deliver a small working milestone that proves the architecture before expanding the rest. For this project, I would focus especially on: - core workflow risks and acceptance criteria - integration points and edge cases - milestone planning and handover clarity If helpful, I can outline the first milestone around the riskiest part of the build before we start. Best, Dr. Syafiq
£7,500 GBP in 21 days
7.0
7.0

Hi, I've carefully reviewed your requirements, and I'm pleased to let you know that I have already developed similar Python-based web applications, SaaS platforms, enterprise dashboards, and API-driven systems using Django, FastAPI, Flask, React, and PostgreSQL. I understand you're looking for a senior developer who can take ownership of the entire development lifecycle—from designing scalable backend architecture and integrating responsive frontend components to optimizing performance, strengthening security, and managing smooth production deployments. With 7+ years of full-stack development experience, I can build and enhance your application using clean, maintainable Python architecture, whether the project is best suited for Django, FastAPI, or Flask. I'll refactor legacy modules, develop new features, integrate RESTful APIs, optimize database performance, implement authentication and security best practices, and maintain a structured Git workflow with regular commits. Every feature will include clear documentation, comprehensive unit and integration tests, and CI/CD compatibility to ensure reliable deployments and long-term maintainability. Additionally, I provide 3 months of free post-launch support to resolve bugs and assist with future enhancements after deployment. PLEASE INITIATE CHAT SO I CAN SHARE MY PREVIOUS PYTHON, DJANGO, FASTAPI, AND FULL-STACK WEB APPLICATION PROJECTS. Best Regards, Nikita Gupta
£5,000 GBP in 35 days
6.8
6.8

Good Day! I have carefully analyzed your project and understand your requirements for senior-level Python web development, including backend architecture, responsive frontend integration, feature development, code refactoring, testing, documentation, and production deployment using frameworks like Django, Flask, or FastAPI. I have relevant experience delivering high-quality, scalable web applications with clean Python code, secure architecture, CI/CD workflows, and maintainable development practices. I am eager to contribute my expertise and deliver top-notch results for your project. Let's discuss the project further in chat or let's have a quick call! Best regards, M Adeel.
£5,000 GBP in 3 days
6.4
6.4

Hi I understand you are looking for a senior-level Python expert to own end-to-end web development—from back-end logic through a clean front-end, with smooth production deployment and strong testing, security, and performance discipline. I’m a results-driven developer who focuses on practical, production-ready Python solutions. I translate complex requirements into solid architectures, refactor legacy modules, and tighten performance while keeping security front and center. My approach respects your preference for Django, Flask, or FastAPI, choosing the right tool for the task and delivering well-structured code, clear documentation, and robust test coverage that supports reliable releases. For your project, I would structure the work around feature-based milestones: define the scope with functional specs, implement the back-end logic, wire to a responsive front-end, and integrate with CI/CD and deployment automation. Each milestone ends with a working, test-backed deliverable and a concise deployment-ready checklist to ensure a smooth hand-off. I will also provide clear project documentation and lightweight reference guides to help future team members extend and maintain the codebase. Best, Justin
£5,000 GBP in 7 days
6.4
6.4

Hi there, We’ve built several robust web applications using Python frameworks like Django and Flask, with a strong focus on CI/CD pipelines and automated testing. One of our recent projects, a multi-vendor marketplace, required us to develop a complete product from scratch, where we implemented both server-side and client-side features. We also understand that a successful product relies on more than just development. That’s why we provide dedicated product managers who can work closely with you to refine ideas and translate them into actionable tasks, ensuring that developers are always focused on the right priorities. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m looking forward to hearing more about your exciting project. Best, Adil
£7,882.60 GBP in 21 days
6.5
6.5

⭐⭐⭐⭐⭐ Develop and Enhance Your Python Web Application ❇️ Hi. Ive reviewed your project needs and see youre looking for a senior Python developer to advance your web-based product. I have already completed over 50 similar projects in Python web development. I will develop a robust, responsive web application that meets your requirements for backend logic, frontend integration, and smooth deployment, all within your timeline and budget. ➡️ Why Me? Im a PhD in Computer Science with over 5 years of experience in web development, specializing in Python and frameworks like Django, Flask, and FastAPI. My expertise includes building scalable back-end systems, crafting intuitive front-end interfaces, and implementing comprehensive testing. I pride myself on writing well-structured, idiomatic Python code and providing clear, concise documentation. ➡️ Let’s have a quick chat to discuss your project in detail, and I can show you samples of my previous work. ➡️ Some of my similar work: ✅ E-commerce Platform Development ✅ Online Learning Management System ✅ Real-time Data Analysis Tool ✅ Social Media Integration for User Authentication ✅ Custom CMS Development ✅ Automated Data Scraping System ✅ API Development and Integration ✅ Performance Optimization for Web Applications Waiting for your response! Best Regards, Dr. Muhammad Asad
£8,000 GBP in 30 days
6.7
6.7

Hello, your "Senior Python Web Developer Needed" project is right in my wheelhouse. I develop modern JavaScript apps end to end — React/Vue/Next on the front and Node/Express on the back, in TypeScript where it helps. Working with javascript, python, web scraping, django, web development, flask, fastapi, I focus on responsive, fast UIs, clean component structure, and reliable APIs — no page-builder shortcuts. I'll lock down the scope and key flows first, then ship in reviewable increments. Can we hop on a quick chat to align on your requirements? ⭐ 5.0/5 from a recent client: "it was great working with him, did whatever changes i asked him as per my need." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
£9,000 GBP in 168 days
6.5
6.5

Hello!, This is James from Hollywood... I read your project description carefully, and this is clearly more than a basic Python task. You need a senior developer who can help move a web product forward with solid architecture, clean code, and practical delivery. I’ve spent about 15 years working with Python, Django, Flask, FastAPI, JavaScript, and web scraping, building production systems that are stable, maintainable, and built to scale. What stands out to me is the need for someone who pays attention to the details, understands the business goal, and can turn that into the right technical solution without wasting time. That’s how I work. My approach would be: 1. Review the current setup, stack, and goal 2. Map the core workflows and any scraping/backend logic 3. Build in clear phases with testing and refinement 4. Keep communication simple and transparent throughout Relevant work I’ve handled includes: - SaaS dashboard with Django and FastAPI - Python scraping pipeline for lead enrichment - Internal automation tool with Flask and scheduled jobs - Data-driven web app with JS and API integrations Could you please clarify the following questions to help me better understand the project? 1. Is this starting from an existing codebase or from scratch? 2. Should the focus be more on backend APIs, scraping, or both? 3.
£7,500 GBP in 32 days
6.3
6.3

As the Senior Python Web Developer at Web Crest, I've demonstrated my ability to not only write well-structured, idiomatic Python code but also incorporate frameworks such as Django, Flask, and FastAPI to tackle end-to-end web development. My extensive experience in AI-powered solutions and automation systems provides me with a unique perspective in shaping not just the backend logic of your product but its future scalability and performance as well. Ensuring that your product's codebase remains understandable and extendable is a priority for me. Right from regular Git pushes to creating clear, concise documentation, I'm committed to making sure that there are no unnecessary technical challenges for future developers joining the team. Additionally, my proficiency in developing unit and integration tests will grant you reassurance before every release. In your project description, you mentioned ownership and versatility in building not just code modules but robust applications as a whole. This is what I bring to the table. Starting from an existing snapshot till the final deployment, I'll take complete ownership of your project - designing new features, refactoring legacy modules, piracy-proofing and streamlining your codebase effectively. Let's move your web-based product forward together!
£5,000 GBP in 7 days
6.5
6.5

Stoke-on-Trent, United Kingdom
Member since Dec 6, 2024
£18-36 GBP / hour
$30-250 USD
$250-750 USD
₹12500-37500 INR
$30-250 USD
$250-750 USD
$250-750 USD
₹12500-37500 INR
$750-1500 CAD
$250-750 USD
₹12500-37500 INR
$10-30 USD
₹12500-37500 INR
₹600-1500 INR
$15-25 USD / hour
£5000-10000 GBP
₹37500-75000 INR
₹75000-150000 INR
$10-50 USD / hour
₹12500-37500 INR
₹1000-2000 INR