HarnhamNew
Full Stack Engineer
- LocationLondon Area, United Kingdom
- Listed22/10/2026
- Salary£85,000/yr
- FieldSoftware engineering
Average of 19 Full Stack Engineer jobs in the United Kingdom we read: £5,393/mo · updated October 22. A market reference, not this job's salary.
About the job
Full Stack Engineer (React / TypeScript / Java) Up to £85,000 + Benefits Hybrid Working | London | 2 Days per Week in Office
We're working with a fast-growing WealthTech business that is transforming the way individuals and families engage with their finances through innovative technology and exceptional user experiences.
They're looking for a Full Stack Engineer to join a highly collaborative engineering team building and enhancing a modern web platform. This role is approximately 65% Frontend and 35% Backend , making it ideal for engineers who enjoy creating outstanding user experiences while remaining hands-on across the full stack.
The Role You'll join a cross-functional squad responsible for delivering new features, improving platform performance, and helping shape technical decisions across the product.
The role has a strong frontend focus, but you'll also contribute to backend services and APIs, working within a modern cloud-native environment.
A key aspect of the engineering culture is the use of AI-assisted development tools , so candidates must already be comfortable incorporating AI into their daily workflow for coding, testing, and productivity.
Essential Requirements
- Strong commercial experience with React
- Strong commercial experience with TypeScript
- Commercial backend development experience with Java
- Experience working with Spring / Spring Boot
- Hands-on experience using AI-assisted development tools as part of the software development lifecycle
- Experience developing and consuming APIs
- Understanding of software engineering best practices, testing, and clean code principles
- Experience working within Agile environments
Nice to Have
- Kotlin experience
- AWS experience
- Docker and Kubernetes
- Microservices architecture
- Event-driven systems (Kafka or similar)
- GraphQL
What You'll Get
- Salary up to £85,000
- Hybrid working (2 days per week in London)
- Private healthcare
- Pension contribution
- 25 days holiday
- Regular team socials
- Clear progression opportunities within a growing engineering organisation
Job details
- Company
- Harnham
- Posted
- 22 October 2026
- Advert site
- linkedin.com
How to apply
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