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Senior Backend Engineer

Senior Backend Engineer

Hybrid

London, United kingdom

£ 105,000 /year

Senior

Full Time

03-11-2025

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Skills

Java Kotlin Test Spring Spring Boot

Job Specifications

Do you love coding with Kotlin?

Have you worked in a fast-paced start-up environment?

Senior Backend Engineer – AI transforming the future

Location: Hybrid in London approx. 1-2 days a week (flexible work hours)

Compensation: Up to £105k + bonus + equity

We are very excited to have just partnered with a rapidly rising AI infrastructure company that’s transforming how development and QA teams create, manage, and test high-quality data at speed and scale.

They’ve built the first API-driven data generation platform that enables organisations to generate better-than-production test data in minutes, without the never-ending manual work or compliance risks.

Having just received their Series A funding, they’re hiring Senior Backend Engineers with Kotlin (or a combination of Java & Kotlin experience) to build new product features, improve performance and scalability, and help define technical direction within a growing engineering team.

A Senior Backend Engineer will have:

Start-up or scale-up experience
BSc in Computer Science or STEM subject from Russell Group university
Have worked in product-focused tech companies
Kotlin
(Can have also worked with with Java)
Spring Boot

You will enjoy many great benefits too:

Flexible work hours
Bonus
Share options
Personal development budget
Private healthcare, dental and eye care
Drinks and snacks provided in office
Collaborate social team, working & learning from very smart engineers

Currently with a team across Europe, they are looking to expand their London team and build a close-knit team, combining collaborative face-to-face working with the flexibility of working from home.

They provide a highly flexible, trusting, and supportive environment where engineers are empowered to take ownership. As strong advocates for equality, they are committed to fostering an inclusive culture that promotes fairness, diverse perspectives, and equal opportunities at every level.

If you have worked with Kotlin in a fast-paced, product-focused startup environment, apply now for this fantastic Senior Backend Engineer opportunity!

About the Company

The Understanding Recruitment Universe Understanding Recruitment is the go-to destination for technology recruitment with headquarters in St. Albans, England. Specialising in Biotechnology, Artificial Intelligence, and Web3, our team of over 90 recruiters is adept in navigating the dynamic landscapes of Blockchain & Cryptocurrency, Java, JavaScript, Python, Rust, Golang, .NET, DevOps, Product Management, and other tech roles within the Software Development Lifecycle. As your total talent solution partner, we seamlessly con... Know more