Senior Backend Engineer

Understanding Recruitment; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Bonus

Share options

Private healthcare

Dental care

Eye care

Drinks in office

Collaborative social team

Job summary

Understanding Recruitment is seeking a Senior Backend Engineer in London. The role sits within a rapidly growing AI infrastructure company, offering a hybrid setup 1-2 days in the office and flexible hours. You will work with Kotlin (or Java) and Spring Boot to deliver scalable features and robust data tooling.

Join a team expanding across Europe, contributing to architectural direction while enjoying a collaborative environment, private healthcare, and share options.

Qualifications

• Start-up or scale-up experience.
• BSc in Computer Science or STEM from Russell Group.
• Experience in product-focused tech companies.
• Kotlin
• Java is acceptable.
• Spring Boot.

Responsibilities

• Build new product features.
• Improve performance and scalability.
• Help define technical direction within a growing engineering team.

Skills

Startup/Scale-up experience

Product-focused tech experience

Education

BSc in Computer Science or STEM from Russell Group university

Tools

Kotlin

Java

Spring Boot

Job description

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)

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:

• Bonus
• Share options
• 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.