Senior Kotlin/JVM Engineer — Hybrid/Remote

Hackajob Ltd; Leeds; Hybrid; GBP 61,000 - 101,000; Full time

Benefits offered by this job

Flexible working

Hybrid/Remote roles

Socials and off-sites

Job summary

Hackajob Ltd in Leeds is seeking a strong Kotlin/JVM engineer to design and deliver elegant backend services. You will write clean code, build new APIs, and help scale existing systems within a small, collaborative team.

The role requires solid database experience (relational, NoSQL a bonus), test automation, and the ability to rapidly understand complex financial domains. Hybrid work includes three in-office days per week or fully remote options across the UK.

Qualifications

• Strong commercial Kotlin or JVM-based engineering experience.
• Ability to write simple, clean code.
• Experience and understanding of relational databases; NoSQL is a bonus.
• Ability to understand complex financial business domains quickly.
• Understanding of software architectures and abstraction.
• Ability to write comprehensive automated tests at all levels.
• Experience with Kanban preferred but not essential.

Responsibilities

• Deliver elegant, idiomatic solutions in Kotlin or Java.
• Contribute to design discussions with stakeholders across the business.
• Build and integrate new APIs.
• Tune existing services as they scale.
• Support expansion of products and services in the US.
• Collaborate closely with a small engineering team.
• Help improve software engineering capabilities as a team.
• Contribute to a happy and productive working environment.

Skills

Kotlin

Java

JVM

Databases

Automated tests

Kanban

AWS

Docker

Kubernetes

GraphQL

React

TypeScript

Gradle

JUnit

RabbitMQ

Tools

GitHub

Job description

Hackajob Ltd in Leeds is seeking a strong Kotlin/JVM engineer to design and deliver elegant backend services. You will write clean code, build new APIs, and help scale existing systems within a small, collaborative team.

The role requires solid database experience (relational, NoSQL a bonus), test automation, and the ability to rapidly understand complex financial domains. Hybrid work includes three in-office days per week or fully remote options across the UK.