Senior software engineer (Node.js/TypeScript)
Core
Design, build, and operate reliable, scalable, and maintainable software solutions for financial workflow systems and regulated investment operations.
Role type
Senior IC Node.js/TypeScript engineer (FinTech infrastructure)
Builds
Embedded investment platform infrastructure powering UK fintechs, banks, and wealth firms
Domain
Financial technology / Investment infrastructure
Deliverable
production ML models | product features
Required skills
Node.js, TypeScript, AWS, Serverless architecture, MongoDB, distributed systems debugging, workflow API design, on-call incident management, technical mentorship
Preferred skills
Multi-region/multi-currency financial system experience, regulated industry background (FinTech)
Technologies
Node.js, TypeScript, AWS (Lambda, SQS, EventBridge, API Gateway, S3, ECS), MongoDB, Terraform, Serverless Framework, GitHub Actions, incident.io
Responsibilities
Design and implement services within a domain; maintain and extend service documentation; foster continuous improvement culture; provide guidance and mentorship to other engineers; communicate system details to non-technical colleagues
Seniority
Senior, hands-on IC with mentorship responsibilities