Senior Python Software Engineer

Senior Python Software Engineer

Watford, Hertfordshire (Hybrid)

£70,000 - £75,000 per annum + Excellent benefits

On behalf of an industry Leading organisation, I am seeking a Senior Python Software Engineer to join a high-performing engineering function responsible for building reliable, scalable, and secure software products. This role suits someone who enjoys solving complex technical problems, shaping engineering standards, and contributing to a collaborative, inclusive environment.

The business is pleased to offer this role on a hybrid basis with a non-negotiable 3 days in office, therefore you must be within easy reach of their Watford-based offices.

Responsibilities:

• Collaborate closely with Engineering Leads, Solution Architects, Technical Programme Managers, and Principal Engineers.
• Provide technical guidance, insight, and mentorship to other engineers.
• Participate in peer reviews and offer constructive feedback.
• Support product stakeholders in shaping the roadmap.
• Contribute to best practices and engineering standards across the wider engineering organization.
• Participate in modern software development practices including pairing, code reviews, documentation reviews, testing, and continuous delivery.
• Translate requirements into implementable technical specifications and tasks.
• Maintain accurate and reliable technical documentation.
• Provide regular updates on progress, timelines, risks, and dependencies.
• Lead troubleshooting and incident resolution, including occasional out-of-hours support.
• Ensure unit tests are implemented and fit for purpose.
• Research and evaluate new technologies that could benefit the organisation.
• Design and develop high-quality Python software that meets complex business needs.
• Ensure code, documentation, and testing align with engineering standards.
• Deliver solutions that meet acceptance criteria, performance expectations, and operational reliability.
• Integrate products with monitoring and support tooling.

Experience/Skills required:

• Strong experience designing and building reliable software for large-scale or complex systems.
• Deep expertise in Python and familiarity with modern frameworks (eg, FastAPI, Django, Flask).
• Experience with cloud platforms, CI/CD pipelines, containerisation, and modern development tooling.
• Skilled in guiding others, influencing decisions, and communicating technical concerns clearly.
• Demonstrated commitment to high coding standards, TDD, and software quality assurance.
• Experience ensuring successful product changes through strong design practices and continuous learning.