Backend Engineer

Salary: £50,000 - 100,000 per year

Requirements:

• Commercial experience with Java
• Commercial experience with Kotlin
• Strong experience building applications with Spring Boot
• Previous experience working in a startup, scale-up, founding team, or stealth startup environment
• Must already have the unrestricted right to work in the UK and not require current or future visa sponsorship

Responsibilities:

• Design, develop, and maintain backend services and APIs
• Build scalable applications using Java, Kotlin, and Spring Boot
• Contribute to system architecture and technical decision making
• Work closely with Product and Engineering teams to deliver new features
• Improve platform performance, reliability, and scalability
• Help establish engineering best practices as our team continues to grow

Technologies:

• Backend
• Support
• Java
• Kotlin
• Spring
• Spring Boot
• Cloud

More:

We are partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team following strong growth and market traction. We build innovative software products that help businesses automate complex workflows and are hiring a Backend Engineer to support the next stage of growth. This is a London hybrid role with one day per week in the office. The role is open to both mid-level and senior engineers who thrive in startup environments and enjoy building high-quality products with real ownership and impact. We offer a salary up to £100,000, equity options, a learning and development budget, 25 days holiday plus bank holidays, and hybrid working. We will contact selected candidates within 14 days if they are invited to interview.

last updated 32 week of 2026