Senior Java Software Engineer

Oscar; Leeds; Hybrid; GBP 50,000 - 60,000; Full time

Job summary

A forward-thinking tech company in Leeds is seeking a Senior Java Developer to work in a hybrid setting, with 4 days in the office and one day working from home. This role involves designing enterprise-grade applications while collaborating with data scientists to incorporate AI and machine learning technologies. The ideal candidate will have over 8 years of Java experience, along with substantial knowledge of Spring and Hibernate. Competitive salary of up to £60,000 offered, along with opportunities for career growth.

Benefits

Global exposure

Career growth opportunities

Collaborative, supportive team

Qualifications

• 8+ years’ experience in Java development (commercial).
• Proven background delivering complex, scalable backend systems.
• Deep understanding of Spring Boot and Hibernate.

Responsibilities

• Designing and developing enterprise‑grade Java applications using Spring and Hibernate.
• Collaborating with data scientists to embed AI / ML insights into real‑world systems.
• Building scalable, high‑availability solutions for global retail clients.

Skills

Java development

Spring / Spring Boot

Hibernate

Python or R

SQL

JavaScript

Tools

AWS

Azure

Git

Docker

Kubernetes

Job description

Senior Java Developer - Leeds City Centre (Hybrid)

Up to £60,000 | 4 Days in Office, Friday WFH | AI & Machine Learning

I’m recruiting for a forward‑thinking tech company based in Leeds City Centre that’s transforming how retailers harness AI and machine learning to boost profitability and stay competitive in a rapidly evolving market.

They’re looking for an experienced Senior Java Developer to join their talented team of 7 engineers, reporting directly to the Engineering Manager. You’ll play a pivotal role in developing intelligent, data‑driven software used by major retail clients across the UK, Europe, North America, and Australia.

The Opportunity

This is a hands‑on senior role - ideal for someone who thrives on technical challenges, loves solving complex problems, and wants to build systems that make a tangible business impact.

You’ll be working closely with data scientists and product specialists to deliver scalable, high‑performance software solutions that integrate the latest AI and ML technologies.

Tech Stack & Tools

Essential Skills

• 8+ years’ experience in Java development (commercial)
• Strong expertise in Spring / Spring Boot
• Solid experience with Hibernate

Desirable Skills

• Python or R – exposure to data or ML integration
• SQL – for data management and optimisation
• JavaScript – for front‑end collaboration
• Grails – nice to have, not essential

Environment & Tools

• Cloud : AWS / Azure
• DevOps : Git, CI / CD, Docker, Kubernetes
• Agile, collaborative environment with code reviews and shared ownership

What You’ll Be Doing

• Designing and developing enterprise‑grade Java applications using Spring and Hibernate
• Collaborating with data scientists to embed AI / ML insights into real‑world systems
• Building scalable, high‑availability solutions for global retail clients
• Driving code quality, performance, and architecture best practices
• Mentoring junior engineers and contributing to continuous improvement

What We’re Looking For

• 8+ years’ experience in Java software development
• Proven background delivering complex, scalable backend systems
• Deep understanding of Spring Boot and Hibernate
• Familiarity with cloud‑based environments (AWS or Azure)
• Strong communicator and team player
• Able to work 4 days on‑site in Leeds City Centre, with Friday working from home

What’s on Offer

• Up to £60,000
• Hybrid working – 4 days in the office, Friday from home
• Global exposure – clients across the UK, Europe, North America & Australia
• Work with cutting‑edge AI and machine learning technologies
• Collaborative, supportive team of 7 developers
• Career growth opportunities with direct access to the Engineering Manager