Senior TS Engineer - Node.js on AWS Serverless (FinTech)

Codurance; West of England; Hybrid; GBP 94,000 - 127,000; Full time

Job summary

Codurance is seeking a Senior TypeScript Engineer (Node.js, AWS Serverless) to work on a financial platform. You will design, build, and run TypeScript and Node.js services on AWS serverless infrastructure, in a small, cross-functional team with ownership in production.

This flexible hybrid role is available across London, Manchester, Leeds, Edinburgh or Bristol. You will mentor engineers, improve observability, and contribute to high-assurance delivery in a regulated FinTech environment.

Qualifications

• Strong commercial experience with Node.js and TypeScript.
• Hands-on AWS experience with serverless (Lambda, SQS, EventBridge, API Gateway, S3).
• Experience with event-driven architecture and document databases (MongoDB).
• Proven track record leading technical delivery in a build-and-run model.
• Experience mentoring engineers and incident management.

Responsibilities

• Design, build, and operate services within your domain, from architecture through to delivery.
• Take accountability for the SLAs of what you ship, and keep improving it.
• Write and maintain useful documentation for your services.
• Mentor and guide other engineers.
• Explain how the system works to non-technical colleagues, without making them feel daft for asking.
• Judge when 'good enough for now' is the right call, and when it isn't.
• Work openly with product and operations, and challenge ideas constructively.

Skills

Node.js

TypeScript

AWS

Serverless

Event-driven

MongoDB

Mentoring

Incident management

Financial services

Tools

Terraform

Serverless Framework

GitHub Actions

Job description

Codurance is seeking a Senior TypeScript Engineer (Node.js, AWS Serverless) to work on a financial platform. You will design, build, and run TypeScript and Node.js services on AWS serverless infrastructure, in a small, cross-functional team with ownership in production.

This flexible hybrid role is available across London, Manchester, Leeds, Edinburgh or Bristol. You will mentor engineers, improve observability, and contribute to high-assurance delivery in a regulated FinTech environment.