Python Developer

Job Title: Python Fast API Developer - Onsite in Bristol 2/3 days per week

Job Description

This role focuses on designing and developing robust Python-based backend applications and services, with a strong emphasis on REST API design and implementation using FastAPI. You will work with Pydantic for schema validation and SQLite for lightweight relational data storage, ensuring high-quality, maintainable, and well-tested code. The position requires close collaboration with a diverse team to deliver scalable, reliable solutions and to continuously improve development and release processes.

Responsibilities

Design and develop Python-based applications and backend services.
Build, document, and maintain REST APIs using FastAPI, ensuring secure and reliable integrations.
Develop and maintain backend systems that support application functionality and data workflows.
Streamline the versioning, release, and packaging processes for application code to support efficient deployments.
Establish and maintain a comprehensive testing strategy, including unit, integration, end-to-end, performance, and resilience tests.
Write clean, maintainable, and well-tested code that adheres to agreed development standards and best practices.
Optimise application performance, scalability, and reliability across the backend stack.
Troubleshoot production issues, perform root cause analysis, and implement long-term fixes.
Conduct code reviews to ensure code quality, consistency, and adherence to standards.
Collaborate effectively with a diverse team to refine requirements, propose technical solutions, and deliver features.Essential Skills

Strong experience in backend development using Python.
Proven experience in designing and developing REST APIs with FastAPI.
Hands-on experience with Pydantic for data modelling and schema validation.
experience working with SQLite or similar relational databases for lightweight data storage.
Solid understanding of software testing practices, including unit, integration, end-to-end, performance, and resilience testing.
Ability to write clean, maintainable, and well-structured code.
Strong problem-solving skills for diagnosing and resolving production issues.
Ability to communicate effectively and collaborate with a diverse team.Additional Skills & Qualifications

experience with integration of backend services with other systems and APIs.
Exposure to DevOps concepts and practices related to versioning, release management, and packaging.
Familiarity with performance optimisation and scalability techniques for backend systems.
Understanding of code review processes and development standards.Why Work Here?

Join a world-leading organisation in the aerospace sector, where you contribute to high-impact, technologically advanced projects. You will work in an environment that values technical excellence, collaboration, and continuous improvement, giving you the opportunity to develop your skills while working with modern tools and practices.

Work Environment

You will work in a professional engineering and software development environment focused on building high-quality backend services and APIs. The role involves daily use of Python, FastAPI, Pydantic, and SQLite, along with modern development and testing practices. You will collaborate closely with a diverse team of technical professionals, participating in code reviews, testing activities, and release processes within a structured, quality-driven setting.

Location

Bristol, UK

Rate/Salary

400.00 - 450.00 GBP Daily

Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at (url removed)>
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Only candidates based in UK and eligible to work in UK are allowed