Backend Engineer

Backend Engineer (Java / Kotlin / Spring Boot)

Must have Java, Kotlin, Spring Boot and startup experience. Unfortunately sponsorship is not available.

London Hybrid (1 day per week in the office)

We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team following strong growth and market traction. They're building innovative software products that help businesses automate complex workflows and are now looking to hire a Backend Engineer to support the next stage of growth.

This 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.

Essential Requirements To be considered, you must have:

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

These are the key requirements for the role.

The Opportunity You'll join a highly collaborative engineering team where you'll be responsible for designing, building and scaling backend services that power a growing SaaS platform.

As a startup environment, you'll have significant ownership, work closely with product and leadership teams, and play a key role in shaping technical decisions.

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 the team continues to grow

Ideal Background Experience in any of the following would be advantageous:

SaaS products

FinTech

Accounting Technology

Payments

Financial Platforms

Cloud native applications

Package

Salary up to £100,000

Equity options

Hybrid working (1 day per week in London)

Learning & development budget

25 days holiday plus bank holidays

Please Note Unfortunately, visa sponsorship is not available for this position. Applicants must already have the unrestricted right to work in the UK and cannot require current or future sponsorship.

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