Senior Fullstack Engineer
About this role
Work across the stack using React, TypeScript, Java, GraphQL, PostgreSQL, and Google Kubernetes Engine (GKE) to build end-to-end solutions. Partner closely with product managers and designers to understand user needs and create intuitive, effective experiences. Ensure reliability through testing, monitoring, and continuous improvement in production. Participate in an on-call rotation and help respond to production incidents when needed. Improve the performance, scalability, and maintainability of frontend and backend systems. Use AI-assisted development tools to improve productivity while maintaining ownership of quality, correctness, and outcomes. Lead the design and delivery of complex, high-impact features across the stack. Own problems end-to-end, from shaping ambiguous requirements through to production-ready solutions. Help define and evolve architecture across frontend, backend, and infrastructure. Mentor engineers and contribute to raising the technical bar across the team. You have 5+ years of experience building scalable fullstack applications in production environments. You are comfortable working across frontend and backend technologies and understand how they fit together to create reliable products. You have experience with APIs, distributed systems, and modern web application architecture. You take ownership of the software you build, from implementation through production health and ongoing improvements. You have experience designing systems and influencing technical direction. You communicate clearly and effectively through documentation and collaboration in distributed teams. You write clean, maintainable code that enables others to build with confidence. You use AI-assisted development tools thoughtfully and validate outputs with sound engineering judgment. You navigate ambiguity with confidence and make thoughtful trade-offs between speed, quality, and long-term maintainability. You enjoy mentoring others, sharing knowledge, and helping teammates grow. You are curious, proactive, and motivated by continuous learning and experimentation. This role is based in London or Stockholm. We offer you the flexibility to work where you work best! There will be some in person meetings, but still allows for flexibility to work from home.
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 fully remote, so it is open to candidates working from home.
About hiring at Lifeatspotify
Lifeatspotify has 14 other live technology roles on its careers page, across Software Engineering, Data, AI & Machine Learning and IT Leadership & Management. Of those, 33% are advertised as fully remote and 67% as hybrid. Elsewhere in its adverts Lifeatspotify asks for SQL, Machine Learning, PyTorch, TensorFlow and C++. See all Lifeatspotify roles, salaries and stack.
How this role compares to the market
1,304 live UK roles list Java right now, from 330 employers. The median advertised salary is £90,000; 32% are advertised as remote. Browse Java roles.
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.
London has 4,324 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 Lifeatspotify'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.