Senior FS Engineer - Java/React

Oliver Bernard; United Kingdom; Remote; GBP 63,000 - 77,000; Full time

Job summary

A growing SaaS company is seeking a Senior Full Stack Engineer to contribute to building and scaling their product platform. The role involves working on Java backend services and React frontends, delivering features, and collaborating with cross-functional teams. Ideal candidates should possess strong Java backend experience and be comfortable with full stack development. This position offers a fully remote work environment in the UK and a competitive salary of up to £70k.

Qualifications

• Proficient in Java backend development and comfortable with the full stack.
• Experience with API development and modern engineering practices.

Responsibilities

• Build and deliver features across the full stack.
• Develop scalable Java/Spring backend services.
• Collaborate with product and engineering teams.
• Improve performance, reliability, and code quality.

Skills

Java backend experience

Full stack development

APIs

Modern engineering practices

Job description

🚀 Senior Full Stack Engineer (Java / React)

A growing SaaS company is looking for a Senior Full Stack Engineer to help build and scale their product platform.

You’ll work across Java backend services and React frontends, shipping new features, improving performance and helping shape the technical direction of a platform used by thousands of users.

💻 What you’ll be doing

• Building and delivering features across the full stack
• Developing scalable Java / Spring backend services
• Collaborating with product and engineering teams
• Improving performance, reliability and code quality

✅ What they’re looking for

• Strong Java backend experience
• Comfortable working across the full stack
• Experience with APIs and modern engineering practices

🌟 What’s on offer

• Fully remote (UK)
• Salary up to £70k
• Work on a scaling SaaS product
• Collaborative team with real engineering ownership