Senior Node.js Engineer (TypeScript) — FinTech Impact

iO Associates seeks a Senior Software Engineer in London to design, build and operate scalable software using TypeScript and Node.js. You will work with AWS and Serverless products, mentor engineers, and lead delivery in a regulated FinTech environment.

The role involves collaborating with clients and senior stakeholders to ensure robust, maintainable solutions and incident readiness in a build-and-run model.