Senior Backend Product Engineer

• We’re looking for a Senior Backend Product Engineer to join our Capital Markets technology team in London
• This is a hybrid, hands-on role: you’ll design, build and run systems across Pre-Trade, Trade and Post-Trade, covering Structured Investments, Equity IPOs, Hedging & Monetization, ETFs, and more
• We put a lot of emphasis on the “product” in product engineer
• You’ll work alongside product managers and directly with the business to turn open-ended problems into working software, and the results show up in how a fast-growing company performs
• AI is a big part of how we work: the team uses it throughout the development lifecycle and has already shipped several agentic features
• You’ll help build the next ones
• We work in small, autonomous teams using the Kanban principles of optimizing flow and limiting WIP
• The team owns its work together, from shaping the problem through to running it in production
• We collaborate closely with colleagues and stakeholders in New York
• Engineers own their work from shaping the problem through to running it in production
• While we have access to QA expertise, we consider quality to be everyone’s responsibility, so engineers own testing too
• We care about strong engineering fundamentals, especially as AI changes how we build
• You’ll mostly write Kotlin, working with Spring, Postgres, Elasticsearch and Kafka, and deploying to Kubernetes on AWS through GitHub and ArgoCD

Benefits

• Healthcare & wellness: We offer highly subsidized medical, dental, vision plan options, and monthly reimbursements to support your lifestyle outside of work
• Coverage Waiver Allowance: Have benefits through another source? Receive a monthly allowance for waiving coverage
• Voluntary benefits: Enjoy discounted pricing on virtual marketplace retail benefits, pet insurance, legal, identity theft, critical illness, hospital coverage, and additional life and AD&D insurance
• Paid parental leave: New parents receive up to 16 weeks of fully paid leave
• Flexible PTO: Take the time you need in coordination with your team and manager. Plus, enjoy nine paid holidays throughout the year
• 401(k) matching: Participate in a comprehensive 401(k) plan with a 4% match
• Free Food: Take advantage of our in-office lunch program and a fully stocked kitchen
• Team events: Join our monthly happy hours, team building activities, and other events to ensure we stay connected

• Strong experience with Spring (Boot, Data, Security), relational database design, REST API design, and Kafka or a similar event streaming platform
• Experience working AI-first: using AI agents to build software, with an understanding of how LLMs work and good judgement about when to trust their output
• Experience building and running mission-critical services in production, from CI/CD through to monitoring, alerting and incident response
• Strong testing habits across unit, integration and end-to-end tests, with good judgment about what to test at each level
• Track record of turning business problems into working software, with a clear, measurable impact
• Technical leadership within your team, including mentoring less experienced engineers and setting and sharing engineering standards
• Experience working as a software developer with Java or Kotlin server-side applications
• Clear communication, including explaining technical decisions to non-engineers
• Elasticsearch, Kubernetes, Postgres, AWS, Terraform
• Financial services experience, ideally capital markets
• TypeScript and React, and/or motivation to try full stack development
• Experience building AI or agentic applications