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I’m putting together a lightweight task-management backend and need the core REST API implemented in Python. The service will expose full CRUD endpoints for “tasks” and persist data in PostgreSQL. I’m happy with either FastAPI or Flask—pick the one you’re most productive with, but structure the project so it’s easy for another developer to read and extend. What I need you to cover • Database: design a clear, normalized schema, wire it up with an ORM, and add migration scripts. • Auth: JWT-based register / login flow, token refresh, and sensible error handling for bad credentials. • Validation: enforce types and required fields on every request, returning clean, informative error messages. • Tests & docs: a concise README that explains local setup (virtualenv, env vars, migration commands, run server) and a small test suite that can be run with one command. Deliverables 1. Complete, well-organized source code in a Git repository. 2. Migration files and the final SQL schema. 3. README and passing tests. I’ll confirm the exact task fields (title, description, status, etc.) once we start, so keep that part configurable. Clean code, clear separation of layers, and commit history that tells the story of your build are what matter most.
Project ID: 40521219
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39 freelancers are bidding on average ₹21,097 INR for this job

With over 10 years of combined experience in Python and software architecture, my team and I at Nishant Developers are well-versed in building robust backend services using Flask, FastAPI, and PostgreSQL. We understand the importance of clear and understandable code, as well as a well-structured database schema with efficient migration scripts. Ensuring reliable and performant APIs and clean M.V.C structure for maintainability are two of our core competencies. In addition, we have extensive experience in implementing secure authentication flows like JWT for user management, which includes token refresh endpoints for seamless session management. The use of proper data validation to enforce strict typing and field constraints is something we always take care of while building REST APIs. Moreover, we believe in comprehensive testing for robustness and consistency. We will be providing not only a small but rigorous test-suite, but also a detailed README that walks you through local setup(commands for virtualenv, env vars, migrations) to encourage easy adoption or future extension even by non-developers like yourself. Rely on us to provide high-quality deliverables including a well-documented Git repository with commit history ensuring transparency and traceability. Your satisfaction is our top priority, so let’s put your project on the path to success together!
₹12,500 INR in 7 days
4.4
4.4

Building a robust and efficient task-management backend can be a complex challenge, especially when it comes to ensuring scalability and maintainability. With over 12 years of experience in full-stack development, I understand the importance of delivering a cleanly structured API that developers can easily extend. For your REST API implementation, I recommend using FastAPI due to its speed and automatic generation of OpenAPI documentation. I will design a normalized PostgreSQL schema integrated with SQLAlchemy for ORM, ensuring smooth data persistence. Implementing JWT authentication will provide a secure login flow along with proper error handling to enhance user experience. My focus will be on thorough validation to return clear messages for any request issues, coupled with comprehensive tests to ensure reliability. The final deliverables will include well-organized code in Git, migration files, and detailed documentation for local setup. Could you please provide further details on the specific task fields you envision?
₹37,500 INR in 7 days
4.3
4.3

Having built my career working on diverse full-stack projects for over six years, I am confident in my ability to bring your vision of a task-management backend to life. My strong background in Python, particularly with FastAPI and Flask, makes me well-equipped for this project. Additionally, I have ample experience in database design and normalization processes, specifically with PostgreSQL and MySQL - skills that perfectly align with your needs. What sets me apart is my passion for delivering production-ready applications with a proactive approach to problem-solving. This involves rigorous testing and quality assurance procedures which ensure that all functionality is error-free from the start. Furthermore, comprehensive documentation is vital to any project’s success, and I consistently deliver detailed READMEs and clean commit histories to enhance maintainability. In addition to my technical skills, open communication and maintaining transparency throughout the project are integral pieces of my work ethic. No task is too big or small; I take ownership of every aspect of a project from its inception to deployment and documentation. Therefore, should you choose me for this task-rest API_PYTHON build,I can promise you an exceptional implementation with a keen focus on efficiency and reliability at every step.
₹12,500 INR in 2 days
3.3
3.3

I'm excited to help build your task-management backend! With extensive experience in Python, I'm proficient in both FastAPI and Flask. I favor FastAPI for its performance but can use either based on your preference. I'll create a clear, normalized PostgreSQL schema, implement JWT auth, and ensure robust input validation. My approach emphasizes readable, well-documented code and I'll provide a comprehensive README, migration scripts, and a test suite for seamless setup and maintenance. Ready to start when you are!
₹12,500 INR in 7 days
2.5
2.5

Hi! I hope you're doing well. Would you prefer FastAPI or are you happy for me to use it as the default? I'll deliver a normalized PostgreSQL schema with ORM and migrations, JWT authentication with register, login and refresh tokens, comprehensive request validation, a README covering setup and migrations, a test suite, clean project structure, and a Git commit history that clearly reflects the development process. You're looking for a clean, maintainable Python REST API that another developer can easily understand and extend. I have extensive experience building backend systems with Python, FastAPI, Flask, PostgreSQL, SQLAlchemy, Alembic, JWT authentication, and RESTful APIs, with a strong focus on clean architecture and scalable code. My approach is to organize the project into clear layers for routes, services, models, and database access, making the task fields configurable while implementing secure authentication, robust validation, comprehensive tests, and clear documentation so the project is easy to deploy, maintain, and expand. I'd be happy to discuss the task details and your preferred architecture in chat before getting started. Looking forward to working with you!
₹20,000 INR in 7 days
2.2
2.2

Hi — Mukesh here. I can build a clean, production-ready REST API using FastAPI and PostgreSQL with a strong focus on maintainability, security, and extensibility. The project will include a normalized database schema, SQLAlchemy ORM, Alembic migrations, JWT authentication (register/login/refresh tokens), request validation with Pydantic, structured error handling, and complete CRUD operations for tasks. I'll follow a layered architecture (routes, services, repositories, models) to keep the codebase easy to extend. Deliverables include Git repository with commit history, migration files, SQL schema, README, environment setup instructions, and automated tests (Pytest) that run with a single command. Ready to start immediately and adapt task fields as requirements evolve.
₹25,000 INR in 7 days
2.1
2.1

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
₹12,500 INR in 2 days
2.2
2.2

Being familiar with full-stack development, I am confident that I can deliver impressive results for your Python Task REST API project. Though predominantly MEAN and MERN stack oriented, I have extensive experience in building RESTful APIs and integrating third-party tools, making me versatile in handling any stack–including the FastAPI or Flask frameworks you mentioned. Imposing data sanity is one of my core strengths, and similar attention will be paid to your JWT-based auth system — I will ensure a smooth login/registration process with secure access across various endpoints. On top of that, my documentation skills are impeccable. You can expect concise, comprehensive README files explaining everything from database setup and migration commands to running the server. Equally important will be a test suite that can be run effortlessly with just one command. 1for smarter development flow.
₹15,000 INR in 9 days
1.7
1.7

༺❖༻ Dear Client ༺❖༻ Thank you for posting this project. Your requirement for a clean lightweight Python REST API is exactly the kind of backend work I specialize in. I have strong experience building production ready APIs using FastAPI and Flask with PostgreSQL, focusing on clean architecture, scalability, and maintainable structure. I prefer FastAPI for this type of project due to its speed, built in validation, and automatic documentation support. For your system, I will design a normalized PostgreSQL schema and implement it using SQLAlchemy with proper migration handling via Alembic. I will build secure JWT authentication with register, login, refresh token flow, and consistent error handling for invalid or expired credentials. All endpoints will include strict request validation and structured responses to ensure reliability and clarity. I will also add a small automated test suite and a clear README covering setup, environment variables, migrations, and how to run the service with a single command. The final deliverable will be a clean modular and well documented codebase that is easy for other developers to extend and maintain. I can start immediately and deliver a production ready API foundation for your task management system. Best regards, Glenn Bondoc
₹20,000 INR in 7 days
1.4
1.4

Hi, I can build the task-management REST API in Python with clean structure, PostgreSQL persistence, JWT auth, migrations, tests, and setup documentation. I’d recommend FastAPI because it gives strong validation, clean API docs, and a maintainable structure out of the box. My approach would be to separate the app into clear layers: routes, schemas, models, services, auth, database, and tests. I’d use SQLAlchemy with Alembic migrations, PostgreSQL for storage, Pydantic validation, and JWT access/refresh tokens for register and login. The API would include full CRUD for tasks, user authentication, protected task routes, clear error responses, and a small test suite that can be run with one command. Deliverables would include the complete source code, migration files, final SQL schema, README with local setup steps, environment variables, migration commands, and passing tests. A few quick questions: What exact task fields do you want beyond title, description, and status? Should tasks be private per user? Do you need role-based access now, or simple user auth only? Best regards, Sandeep
₹15,000 INR in 1 day
0.8
0.8

Hello, I'm Mubashir, a Full-Stack Developer, Engineer, and UI/UX Specialist. I can help you build a Python REST API for your task-management backend. With 6+ years of experience, I'll deliver a well-structured API with CRUD operations for tasks, a clear database schema, and robust error handling for authentication. - I'll design a normalized PostgreSQL schema that fits your task management needs and integrate it with an ORM for seamless data handling. - I'll implement JWT-based authentication for user registration and login, ensuring secure token refresh and proper error management. - I'll enforce validation on all incoming requests to guarantee correct data types and required fields, providing clean error messages when necessary. - I'll create a concise README detailing local setup, environment variables, migration commands, and how to run the server. - I'll write a small test suite that can be executed with a single command to ensure everything functions correctly. My Portfolio: https://www.freelancer.com/u/mubashir021 Even if you're still considering options, I can provide a FREE detailed quotation and project proposal with a suggested roadmap. You can use this as a reference even if you choose to work with someone else. Mubashir Ahmed
₹25,000 INR in 10 days
0.6
0.6

Dear client, I can build your lightweight task management REST API in Python using FastAPI, structured for scalability, clarity, and easy future extension by other developers. I will design a clean PostgreSQL schema with proper normalization for tasks, users, and authentication, and integrate it using SQLAlchemy along with Alembic for version-controlled migrations. The schema will remain flexible so fields like title, description, status, priority, and timestamps can be easily extended later. For authentication, I will implement a secure JWT-based system with register/login, token refresh, and proper error handling for invalid or expired credentials. All endpoints will follow consistent response standards. Every request will include strict Pydantic validation, ensuring clean type safety and meaningful error messages for API consumers. The project will also include a basic automated test suite (pytest) to verify core CRUD flows and authentication, along with a clear README covering setup, environment variables, migration commands, and how to run the server locally. The final code will be organized with a clear separation of concerns (routes, services, models, schemas), making it easy to maintain and extend. Best regard
₹12,500 INR in 2 days
0.6
0.6

Hi, I am an IITian with 10+ years of experience to develop similar projects ,I will build this with FastAPI, SQLAlchemy 2.0 (async) on PostgreSQL with Alembic for migrations, and a normalized schema with proper indexes on task queries. Auth will use PyJWT with access/refresh token flow, bcrypt for password hashing, and middleware-based route protection. I'll structure it with a layered architecture (routers, services, repositories), Pydantic v2 for request/response validation, and include pytest fixtures with an isolated test database. Kindly click on the chat button so I can share you my relavant projects. Lets connect
₹12,500 INR in 7 days
0.0
0.0

Hi, I understand this project is not just about making CRUD endpoints work — the backend needs to stay clean, extendable, and easy for another developer to pick up later. Authentication, migrations, validation, and project structure are usually where lightweight APIs become difficult to maintain. I can build this in FastAPI (my recommendation for speed, validation, and automatic API documentation) with PostgreSQL, ORM integration, migration scripts, JWT authentication with refresh tokens, clean REST API architecture, and a test suite with clear setup documentation. My approach focuses on Software Architecture, Database Design, validation layers, readable commit history, and maintainable Python code while keeping future task fields configurable. I can support Python, Django concepts where useful, MySQL-style relational design principles, Flask alternatives, FastAPI, and REST API requirements. One quick question: should tasks remain private per authenticated user, or will there be shared/team-level task access later? Open chat now and let's discuss the project requirements in detail.
₹30,000 INR in 7 days
0.0
0.0

With your project, you need someone who can leverage Python to build a lightweight, yet robust and efficient REST API. My profile speaks volumes on my ability to deliver exactly that—and more. With years of experience functioning as a freelance software developer specialized in full-stack web development, I have not only honed my skills in Python, MySQL, and Software Architecture but also mastered the art of building APIs that align with specific client needs and industry standards. Moreover, since I'm skilled in both FastAPI and Flask, I'll tailor your task-management backend project with the productivity that only a preferred technology brings along. My approach will assure clean code, clear separation of layers for easy comprehension/extension even by another developer. I will provide well-organized source code committed systematically to tell the story behind each build. Lastly, having worked on projects with similar complexity levels : including ORM implementation, JWT-based register/login flows for authentication, and test suite development—I am confident in delivering above and beyond what you envision for this project. I aim to ensure the endpoints provide accurate information, enforce necessary validations where required while returning informative error messages.
₹25,000 INR in 5 days
0.0
0.0

Hi, I’d use FastAPI for this. It keeps the request validation and API docs clean without adding much overhead. For the backend, I’d set it up with SQLAlchemy, Alembic migrations, PostgreSQL, JWT auth, refresh tokens, and a small test suite with pytest. I’d keep the task fields flexible so adding status, priority, due date, or assignee later does not require rewriting the structure. I’ve built similar Python APIs before where the important part was not just making endpoints work, but keeping the code readable for the next developer. If you already have preferred task fields, send them over. Otherwise I can start with a clean base model and leave it easy to extend. Ryan
₹25,000 INR in 7 days
0.0
0.0

As a seasoned web developer with expertise in Django Python and MySQL, I believe my skills are perfectly aligned with your project needs. My solid experience building robust and scalable REST APIs combined with my proficiency in writing clean, well-organized code would ensure an efficient and easy-to-maintain backend for your task management app. Additionally, I have a deep understanding of database design, the use of ORMs, and migration scripts – all essential aspects for building a smooth CRUD process for your POSTGRESQL database. One of my core strengths is my attention to detail in validating inputs and enforcing strict data types required by requests. This ensures not only clean data but also provides informative error messages in case of validation failures. My committed approach to testing everything from the boundaries to the core functionality stands as proof of my dedication to ensuring your app's credibility. Lastly, apart from delivering high-quality code and clean commit history, I understand that documentation plays an equally important role in project completion. Rest assured, I would provide a comprehensive README explaining every necessary step for seamless local setup and smooth project handover. So, let’s turn your concept into reality by choosing me for this task!
₹15,000 INR in 8 days
0.0
0.0

Hello, To help bring your project vision to life successfully and smoothly, - I will design a clean, normalized PostgreSQL schema tailored for flexible task fields, ensuring easy future adjustments without breaking existing data integrity. - I’ll implement the REST API using FastAPI for its modern async support and automatic validation, which enhances performance and developer experience; the code will be modular with clear separation of concerns for easy extension. - JWT-based authentication will be robustly integrated, including register/login flows, token refresh, and comprehensive error handling to secure your backend. - The project will include migration scripts using Alembic, a concise README detailing setup and usage, plus a focused test suite covering key endpoints and auth flows, all runnable with a single command. Could you please confirm if you prefer FastAPI over Flask, or should I proceed with FastAPI as the default? Also, do you want the task status field to support custom statuses or just a fixed set (e.g., “pending,” “completed”)? Looking forward to discussing your project and delivering a clean, maintainable backend you’ll be proud of. Best regards, Neven
₹25,000 INR in 7 days
0.0
0.0

❤️❤️❤️Hi, I am very glad to work for you!❤️❤️❤️ I can build a clean, production-ready REST API backend for your task management system with a strong focus on structure, readability, and easy future extension. I’ve developed similar FastAPI/Flask backends with authentication, database design, and testing where clean architecture and maintainability were the main priorities. REST API with full CRUD for tasks (FastAPI preferred for performance + clarity) PostgreSQL integration with proper ORM and normalized schema design JWT authentication (register, login, refresh tokens, secure error handling) Request validation with clear and consistent response structure Database migrations and clean project structure (layered architecture) Unit tests + simple test runner setup Complete README (setup, env config, migrations, run steps) I usually structure projects with clear separation (routes, services, models, schemas) so another developer can easily extend it without confusion. Quick question: do you want role-based access (e.g., admin vs user tasks), or is it single-user scoped per account? Best regards.
₹25,000 INR in 7 days
0.0
0.0

You need a clean, scalable Python backend for task management with secure authentication, PostgreSQL persistence, proper validation, and documentation that makes future development straightforward. The focus isn't just getting CRUD endpoints working—it's building a maintainable API with clear architecture and solid development practices. I'm Muhammad Umer, a Full-Stack Developer with experience building REST APIs using FastAPI, Node.js, PostgreSQL, JWT authentication, ORMs, and database migrations. For this project, I would recommend FastAPI because of its performance, automatic OpenAPI documentation, strong validation with Pydantic, and excellent developer experience. The backend will include a normalized PostgreSQL schema, SQLAlchemy ORM integration, Alembic migrations, JWT access/refresh token flow, request validation, structured error handling, and a test suite for core functionality. The codebase will follow a clean folder structure with separated routes, services, models, schemas, and database layers, making it easy to extend as new task fields and features are added. Quick questions: Will users manage only their own tasks, or will there be shared/team tasks later? Do you have a preferred deployment target (AWS, DigitalOcean, Render, etc.)? If you're looking for a developer who can deliver a production-ready backend with clean architecture and clear documentation, I'd be happy to discuss the project further. Best regards, Muhammad Umer Full-Stack Developer
₹25,000 INR in 7 days
0.0
0.0

Pune, India
Member since Jun 17, 2026
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