https://jobs.co.uk/job/senior-software-engineer-io-associates--17b66f2f-7896-44e0-ab8c-3e6db53f3192 RSS feed for Senior Software Engineer at IO Associates. en-gb Wed, 19 Aug 2026 16:28:08 GMT https://jobs.co.uk/job/senior-software-engineer-io-associates--17b66f2f-7896-44e0-ab8c-3e6db53f3192 https://jobs.co.uk/job/senior-software-engineer-io-associates--17b66f2f-7896-44e0-ab8c-3e6db53f3192 Wed, 19 Aug 2026 11:51:37 GMT Location: Bath | Salary: 75000.00-75000.00 Annual | Type: Permanent | Senior Software EngineerBath, UK (1 day per week onsite)PermanentUp to £75,000 to £105,000 per annum (D.O.E)Senior Software Engineer is required to join a fast-growing technology business operating within the highly regulated financial services sector. The organisation is looking for genuinely senior Back End engineers who can design scalable, resilient systems and take ownership beyond simply delivering tickets.You will take ownership across system design, architecture, CI/CD, observability, incident response and production systems, working closely with Engineering, Product and Operations teams to build and continuously improve reliable platforms.Required Skills: Strong Back End engineering experience with TypeScript and Node.jsProven experience in system design, architecture and scalable, resilient systemsStrong AWS experience, including Lambda, API Gateway, DynamoDB and/or MongoDBStrong understanding of automation, CI/CD and modern engineering practices.Experience working within a scale-up/growth environmentFinancial services, Fintech or regulated-environment experience would be advantageous If you''re a Senior Backend Engineer looking for a role with significant ownership, tech... Permanent