Principal Engineer – AI FinTech

Owen Thomas Talent — United Kingdom · Posted ~23 hours ago

Lead Full-time Hybrid Visa History ✓

Skills

Software architecture Technical leadership Distributed systems Data infrastructure Workflow automation Artificial intelligence FinTech

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Summary ✨ AI‑Generated

Become the first Principal Engineer in a rapidly scaling AI-driven financial technology organization. You will tackle the most complex technical challenges, shape architecture and engineering standards, and help scale data infrastructure and workflow automation for sophisticated financial-market use cases. The role combines significant technical influence with strong compensation and equity.

Highlights

High-impact principal engineering role with substantial technical leadership responsibility, competitive compensation up to £200,000 plus equity and benefits, and a hybrid schedule. The position offers the opportunity to shape complex technical architecture in a rapidly scaling financial technology environment.

Description

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 role 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 £200,000Pension scheme up to 7%Private medical1-2 days per week in the office and work abroad for up to 3 months per year If you are interested in the Principal Engineer | AI-Driven FinTech, Series C | 1 Day Hyrbid, London | Up to £200,000+ Equity & Benefits, apply here today and the team at Owen Thomas Recruitment Limited (OT Group) will give you a call if you are a good fit!