23 days ago
London, United KingdomSenior
Responsibilities
- Lead delivery of projects involving multiple stakeholders and systems.
- Develop deep expertise in financial products and act as a trusted technical advisor to the business.
- Perform technical scoping, prototyping, architecture, and feasibility analysis.
- Design and implement scalable systems for account lifecycles, interest and repayment allocation, reconciliation, and financial reporting.
- Use domain modelling to create understandable, testable, and evolvable software.
- Build systems that avoid single points of failure and support zero-downtime releases.
- Translate ambiguous product requirements into actionable technical plans.
- Investigate and resolve production issues while maintaining system reliability and operability.
- Write production-ready code, review work, document systems, and support collaborative engineering practices.
- Improve development practices and engineering standards, and share approaches and tooling with the wider engineering organization.
- Use AI-assisted development tools while validating generated code for correctness, performance, and security.
Requirements
- Extensive back-end engineering experience.
- Production experience building and operating microservices and distributed systems, including durable cross-service communication, transactional correctness, and failure modes at scale.
- Extensive experience with relational databases, ideally PostgreSQL or alternatively MySQL, MS SQL, Oracle, or similar.
- Experience building correctness-critical systems such as ledgers, accounting, billing, or payments, ideally in a regulated setting, including immutable audit trails and reconciliation controls.
- Experience leading a feature or project end to end, from scoping and design through delivery and production operation.
- Daily use of AI tools such as Cursor, Claude Code, or similar.
- A degree in Computer Science, Engineering, Physics, Maths, or another quantitative field, or equivalent professional experience.
- Strong technical or mathematical foundation and effective peer collaboration, code review, communication, and knowledge sharing.
- Preferred experience in high-logic or high-scale fields such as Fintech, Gaming, Healthcare Tech, Logistics, Security, or Cryptography.
- Preferred working knowledge of Snowflake and dbt for analytical or reporting pipelines.
- Preferred knowledge of messaging frameworks and event-driven patterns such as Kafka.
Benefits
- Hybrid working in London or remote working within the UK; some team members work 1–3 days per week in the London office.
- Flexible working hours.
- Medical insurance from Vitality with discounted gym membership.
- Choice of a dedicated dental plan or a health cash plan.
- Private GP service for employees, partners, and dependents.
- 25 days of annual leave, a birthday day off, the option to buy or sell five additional days, and unlimited unpaid leave.
- One-month fully paid sabbatical after four years.
- External counselling and therapy sessions.
- 3% pension contributions on total earnings.
- Employee equity incentive scheme.
- Generous parental leave and nursery tax benefit scheme.
- Electric car scheme and cycle-to-work scheme.
- Two company retreats per year.
- Learning and development budget, company-wide talks, and access to learning platforms such as Treehouse.
Tech Stack
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