Senior Software Engineer - Python
£55000 - 65000 GBP
Onsite WORKING
Location: Central London, Greater London - United Kingdom Type: Permanent
Senior Software Engineer - Python
Full-time | Hybrid | Locations: Bristol, Cheltenham, Plymouth, Manchester
Our client is a specialist technology consultancy delivering bespoke software and data solutions to government, defence, and critical national infrastructure sectors. They are looking for a Senior Software Engineer with strong Python expertise to join a high-impact programme, developing solutions that address complex operational challenges. The position is hybrid, with customer-facing work expected on a regular basis (typically every two weeks).
What You'll Do Design, develop, and test high-quality software solutions.
Work across diverse technologies, with a focus on open-source frameworks and tools.
Use CI/CD pipelines (GitLab or similar) to drive secure, reliable, and maintainable code.
Deploy applications across a variety of cloud platforms, including AWS, Azure, and private environments.
Contribute across the full development lifecycle, from requirements capture through to delivery, training, and long-term support.
Depending on experience, lead small teams and manage direct client interactions.
What We're Looking For Strong background in backend or full stack development.
Proven commercial experience with Python and modern cloud technologies (AWS experience is a strong advantage).
Previous consultancy experience is helpful but not a requirement.
Eligibility for UK Security Clearance (e.g., British citizenship and residency in the UK for the past 5 years).
Why Join? Collaborative, team-driven culture with an emphasis on inclusivity.
Comprehensive wellbeing support, including 24/7 counselling and employee assistance services.
Flexible working model with central offices, flexitime, and hybrid arrangements.
Career development tailored to you, with a dedicated career coach.
Active social calendar with regular team events, summer parties, and company-wide awaydays.
Onsite perks including lunch and drinks allowances.
This is an opportunity to join a forward-looking team delivering software that genuinely makes a difference in critical infrastructure. You'll work on meaningful projects, enjoy flexibility and career growth, and be part of an environment that values both technical excellence and individual wellbeing. If you're a Python engineer ready to step into a senior role, this could be the right move for you.
Reference: ODI/Python
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