Job Description
Role: Software Engineer Location: Cardiff (1 day a week in the office)\n Salary: £55,000 - £65,000 per annum + pension + bonus \n Hours: 35-hour week, flexible around life \n\n This is a mid-level, hands-on engineering role and is ideal for someone who wants to stay close to the code, build complex systems, and work with genuinely modern tech. \n\n The team has rebuilt its platform into hundreds of AWS services, now transitioning from a serverless to an always-on architecture that supports 24/7 global customers and enables faster response times. Youll join a small, stable group with a chance to help shape standards, tools, and technical direction alongside experienced engineers who care about doing things properly.
\n\n What youll be doing \n Building and maintaining AWS-based microservices (Python / Node)\n Developing new data-driven features and public-facing APIs \n Optimising always-on services for latency and reliability \n Working on React components, authentication and SSO \n Contributing to AI automation projects (defect detection, QA, data grading)\n Collaborating across backend, frontend, data and security. \n\n Tech environment \n Python/Node, React \n AWS serverless architecture (Lambda, EC2, S3, CloudFormation, Bedrock), DynamoDB/SQL \n Event-driven architecture, CI/CD pipelines, Automated testing (Cypress / Playwright)\n\n Experience needed \n Proven experience as a Software Engineer \n Solid know...