Staff Engineer, Python

Owen Thomas | B Corp

Join an innovative Series C FinTech as a Staff Engineer, focusing on system architecture and debugging across multiple engineering teams.

Last checked on June 14, 2026. We may earn a commission when you click through.

With strong compensation and a focus on innovation, this position is a compelling opportunity for experienced Python engineers in London.

✓ High salary and equity potential ✓ Collaborative work culture ✓ Opportunity to influence technical standards

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Staff Engineer, Python

Owen Thomas | B Corp

Updated 1 month ago

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Belfast Up to £150k

With strong compensation and a focus on innovation, this position is a compelling opportunity for experienced Python engineers in London.

About this role

Join an innovative Series C FinTech as a Staff Engineer, focusing on system architecture and debugging across multiple engineering teams.

About the Company

Owen Thomas is a B Corp committed to sustainable business practices, focusing on innovation in the financial technology sector.

Key Highlights

✓ Competitive salary up to £150,000 plus equity
✓ Hybrid working model (1-2 days in office)
✓ Collaboration with over 6 engineering teams
✓ Focus on both debugging and architecture
✓ Dynamic, fast-paced FinTech environment

💡 Honest Take: This role is ideal for seasoned engineers who thrive in a collaborative setting and seek to impact a growing FinTech.

Pros

✓ High salary and equity potential
✓ Collaborative work culture
✓ Opportunity to influence technical standards
✓ Flexible working arrangement
✓ Engaging work in a growing sector

Cons

✗ High expectations for performance
✗ Requires extensive experience
✗ May involve complex problem-solving
✗ Fast-paced environment may not suit everyone
✗ Limited remote work days

Best For: This position is aimed at senior engineers who enjoy tackling technical challenges and want to influence FinTech solutions.

Watch Out: Candidates should prepare for a demanding role that requires versatility in both debugging and architectural design.

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What Customers Say

Feedback highlights a collaborative culture and strong growth potential, though some note the high demands of the role.

Expert Review

This position offers a salary package of up to £150,000 plus equity, which is quite attractive in the competitive FinTech space. The hybrid model allows for a balanced work-life schedule, ppealing for those who prefer flexibility. The role demands a skills, as engineers will engage with both high-level architecture and intricate debugging tasks.

The collaborative aspect is significant; with over six engineering teams involved, the potential for cross-functional learning is high. This could be a major draw for those looking to elevate their technical skills while contributing to impactful projects. However, that the expectations are equally high, and only seasoned professionals should apply.

While the environment is dynamic and fast-paced, it may not suit everyone, particularly those who prefer a more structured or predictable workday. The opportunity to influence technical standards across the organisation can be rewarding but also comes with pressure to perform. Overall, this role is an exciting prospect for skilled Python engineers ready to immerse themselves in a thriving FinTech ecosystem.