Software Engineer – AI - London / Hybrid (UK-based)
A high-growth, FinTech company is building intelligent, data-driven products to support businesses and consumers at scale across the UK and US. The organisation operates cloud-native platforms used by a large and diverse customer base and is continuing to invest heavily in AI-enabled capabilities across its core products.
Role
This role sits within a product-led engineering team focused on applying AI and Generative AI to real-world business problems. You’ll work on large-scale systems where impact is measured by outcomes, not output.
You will:
Design and engineer large-scale, production-grade systems (5+ years’ experience)
Focus on business impact rather than lines of code
Embrace DevOps culture: you build it, you run it
Work effectively in cross-functional, autonomous teams
Mentor other engineers and help raise the bar across the team
Prefer simple, pragmatic solutions over unnecessary complexity
Stay effective and organised in fast-moving, ambiguous environments
Think broadly about how technical decisions affect the wider business
Leverage Generative AI tools to improve productivity and decision-making
Nice-to-Have Skills
Experience building AI or LLM-powered applications
Knowledge of NLP or intelligent document processing
Familiarity with vector databases (e.g. Pinecone, Weaviate)
Experience with search platforms (e.g. OpenSearch, Elasticsearch)
Exposure to agentic workflows or orchestration frameworks
Awareness of MCP (Model Context Protocol)
The team is pragmatic and cloud-native. Current tooling includes:
Languages: Python, TypeScript
Testing: Jest, React Testing Library, Cypress, pytest
Cloud: AWS, GCP
Infrastructure: Docker, ECS Fargate, Terraform
CI/CD: GitHub Actions
Collaborate: Pair programming and mission-driven squads
Outcome-focused: Solve real user problems tied to business results
Continuously improve: Fast feedback, learning-first mindset
User-centric: Decisions driven by data and direct user insight
Test-first: Outside-in testing with behaviour-focused scenarios
End-to-end ownership: Lead features from idea to production
Cloud-native: Automation-first, security by design
You’ll be part of an inclusive engineering culture that values:
Diverse perspectives and open discussion
Psychological safety and trust
Teams that are engaged, motivated, and genuinely enjoy working together
What’s on Offer 😍
Hybrid working: Flexible, trust-based approach with optional in-person collaboration
Work–life balance: 25 days holiday + bank holidays, enhanced family leave
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