Salary: £85,000 - 85,000 per year Requirements: Minimum 8 years experience in software development At least 3 years working with TypeScript, including Node.js and React Proven experience building and maintaining production-grade systems Comfortable working in a senior, autonomous team environment Strong communication skills Background in trading, financial services, or real-time systems (desirable) Exposure to functional programming (e.g. OCaml, Haskell) (desirable) Understanding of DevOps practices (monitoring, logging, automation) (desirable) Responsibilities: Design, develop, and maintain features across a full-stack trading platform Take end-to-end ownership of features from concept through to production Build scalable applications using TypeScript (Node.js & React) Collaborate with DevOps teams on CI/CD pipelines, infrastructure, and observability Work with technologies including Redis, MS SQL, WebSockets Contribute to automated testing using Jest and Playwright Participate in code reviews and uphold engineering best practices Engage directly with stakeholders to understand and shape requirements Utilize modern AI/LLM development tools to enhance productivity Technologies: AI CI/CD DevOps Haskell Jest LLM OCaml Playwright React Redis SQL TypeScript NodeJS Docker GitHub Grafana Java Kubernetes Prometheus Fullstack More: We are a leading technology consultancy specializing in high-assurance systems and advanced technologies. Our team focuses on delivering robust, scalable solutions while fostering a strong engineering culture centered on quality and innovation. We offer a hybrid working model based in London, a £1,000 annual training allowance, dedicated learning days, annual performance-based bonuses, stock options, regular team events, a day off for your birthday, and an employee referral scheme. last updated 12 week of 2026