Senior Full Stack Engineer
About this role
You’ll work across the full technology stack, integrating with third-party platforms, cloud services and open-source technologies to deliver resilient, secure and scalable software. What You’ll Do Design, build and maintain distributed web applications and backend services. Develop features across frontend, backend, APIs and infrastructure. Integrate with third-party vendor platforms, healthcare systems and open-source technologies. Design scalable APIs and data models. Build and operate cloud-native services on AWS and Kubernetes. Drive software quality through testing, observability and operational excellence. Contribute to architectural decisions while remaining actively involved in implementation. Review code, mentor engineers and raise engineering standards. Troubleshoot production issues and improve system reliability and performance. Skills & Experience Essential Significant commercial experience building modern web and backend applications. Strong experience with: Next.js TypeScript / Node.js PostgreSQL AWS Kubernetes Experience designing and operating distributed systems. Experience integrating with third-party APIs, commercial SaaS products and open-source technologies. Strong understanding of REST APIs, authentication and application security. Experience with CI/CD and modern software delivery practices. Experience using AI-assisted software development tools. Desirable Experience working in healthcare or other regulated industries. Experience working with FHIR R4/R4B and HL7 v2 healthcare interoperability standards. Experience with event-driven architectures. Experience with Infrastructure as Code. What We’re Looking For You’ll be someone who: Designs scalable, maintainable systems and makes sound architectural decisions. Takes ownership from design through to production, with a strong operational mindset. Is comfortable working across multiple languages, frameworks and technology stacks. Quickly understands unfamiliar codebases and third-party systems. Makes pragmatic engineering decisions that balance quality, speed and long-term maintainability. Builds secure, reliable software by default. Writes clean, well-tested and maintainable code. Enjoys solving complex technical problems. Communicates effectively and collaborates well across engineering and product teams.
What this role is, and what else it is called
Employers in London advertise this kind of work as Software Engineer, Senior Software Engineer, Web Developer and Full Stack Developer too, so it is worth searching more than one wording. It is a senior Software Engineering role in London, advertised as on-site.
About hiring at Fullhealthmedical
Fullhealthmedical has 2 other live technology roles on its careers page, across Software Engineering and DevOps, Platform & SRE. Of those, 33% are advertised as fully remote and 0% as hybrid. Elsewhere in its adverts Fullhealthmedical asks for Ruby, MongoDB, Python and Terraform. See all Fullhealthmedical roles, salaries and stack.
How this role compares to the market
713 live UK roles list TypeScript right now, from 270 employers. The median advertised salary is £80,000; 46% are advertised as remote. Browse TypeScript roles.
521 live UK roles list Node.js right now, from 211 employers. The median advertised salary is £100,000; 38% are advertised as remote. Browse Node.js roles.
London has 4,326 live IT vacancies across 1,366 employers, with a median advertised salary of £70,000. Browse London roles.
Senior roles make up 1,630 of the live UK IT market and advertise a median of £80,000.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Fullhealthmedical's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site. More IT jobs in London.