Principal Engineer | AI-Driven FinTech, Series C | 1 Day Hyrbid, London | Up to £200,000+ Equity & Benefits
About the company:
We are working with a highly successful, fast-scaling FinTech platform that is fundamentally transforming data infrastructure and workflow automation across global financial markets.
They have proven product-market fit, their AI-powered platform is already trusted by over 300+ companies worldwide, including global banks, private equity firms, and asset managers.
The business is heavily internationalising the core product and building new ones to help spearhead this next chapter of hyper‑growth. They are investing heavily in their technical leadership layer and are looking for a Principal Engineer to join the team.
About The Role - Principal Engineer | AI-Driven FinTech, Series C | 1 Day Hyrbid, London | Up to £200,000+ Equity & Benefits
This role will be the first Principal hire for the company, it will be high impact and working on the most complex technical issues within the business.
As a Principal Engineer you will be expected to create technical solutions that cut across various teams and work with engineering leaders to roll them out.
You will report these solutions directly to the VP of Engineering. The client is looking for someone that gets excited by complex technical issues and seeks problems that genuinely are difficult to solve while moving seamlessly between deep technical work and cross-org influence.
Requirements For The Role
- Extensive experience building, delivering, and scaling backend, platform, front‑end systems from development through to production, specifically within data‑intensive environments.
- Deep expertise in distributed systems, APIs, data pipelines, complex relational domains, and entity resolution/mapping.
- Proven experience with platform modularisation, database decoupling, and service‑oriented or event‑driven architectures.
- Extensive experience creating technical solutions and rolling them out across different teams autonomously.
- High proficiency in Python (or similar backend languages), alongside familiarity with cloud infrastructure (AWS) and containerisation (Kubernetes).
- A strong product and customer‑centric mindset, comfort driving clarity through ambiguity, and a history of end‑to‑end technical project ownership.
- Exceptional communication skills, with the ability to create clear technical documentation and align both technical and non‑technical stakeholders.
What Can They Offer You
- Salary of up to £200,000
- Pension scheme up to 7%
- Private medical
- 1-2 days per week in the office and work abroad for up to 3 months per year
Principal Engineer | AI-Driven FinTech, Series C | 1 Day Hyrbid, London | Up to £200,000+ Equit[...] employer: Owen Thomas | B Corp™
Owen Thomas | B Corp™ is an exceptional employer that fosters a dynamic and inclusive work culture, where innovation thrives and every team member's contribution is valued. With a strong focus on employee growth, you will have access to comprehensive healthcare benefits, competitive salaries, and clear pathways for career advancement, all while working in a hybrid environment that promotes work-life balance and collaboration on impactful digital products.
