Java Software Engineer

Uniting Ambition
Welwyn Garden City, Hertfordshire, AL8 6TP, United Kingdom
2 weeks ago
Job Type
Permanent
Work Location
Hybrid
Seniority
Senior
Education
Degree
Posted
22 Apr 2026 (2 weeks ago)

Benefits

Medical insurance

Senior Backend Engineer (Java)

Location: UK (Hybrid – 1–2 days per week, Welwyn Garden City)

Permanent Role

We are looking for a Senior Java Engineer to join a fast‑growing technology organisation that is redefining how modern software platforms are built and operated. This is an opportunity to work on scalable, backend systems that underpin data‑driven, event‑based products used by customers at scale.

If you are passionate about building high‑quality backend services, enjoy taking ownership of systems in production, and want to work in a DevOps‑led environment, this role offers both technical challenge and long‑term growth.

The role

As a Senior Backend Engineer, you’ll be responsible for designing, developing, and owning backend services built primarily in Java (Spring Boot). You’ll work across the full lifecycle — from system design and development through deployment, monitoring, and ongoing optimisation in production.

The environment follows DevOps principles, meaning engineers take responsibility for the reliability, performance, and maintainability of the services they build. You’ll collaborate closely with other engineers, platform teams, and product stakeholders to ensure systems are robust, scalable, and well documented.

The platforms are event‑driven and data‑intensive, supporting real‑time processing and integrations across distributed services. You’ll be encouraged to propose improvements, influence engineering standards, and help evolve both systems and ways of working.

What you’ll be doing

Designing and developing high‑quality Java backend services, primarily using Spring Boot

Building and operating event‑driven, microservices‑based architectures

Taking ownership of services in production, including deployment, monitoring, and support

Applying CI/CD best practices to enable reliable and frequent delivery

Working with cloud infrastructure, primarily on Microsoft Azure

Using Infrastructure as Code (e.g. Terraform) or developing the capability to do so

Producing clear technical documentation to support system design and ongoing development

Collaborating with engineers, platform teams, and stakeholders to deliver scalable solutions

What we’re looking for

Several years of experience delivering backend services in Java in production environments

Strong hands‑on experience with Spring Boot and modern Java development practices

A solid understanding of distributed systems, scalability, and reliability

Experience working in a DevOps‑led environment, with ownership of live systems

Familiarity with cloud platforms (Azure preferred, others acceptable)

Exposure to CI/CD tooling such as GitHub Actions or similar

Experience working with SQL and NoSQL databases

Strong problem‑solving skills and the confidence to take ownership of technical decisions

Nice to have (but not required):

Experience with Python in backend, data, or automation contexts

Exposure to AI/ML or large language model‑based systems

Kubernetes and container orchestration experience

Tech environment

Languages: Java (primary), other JVM languages welcome; Python a plus

Frameworks: Spring Boot

Architecture: Microservices, event‑driven systems

Cloud: Microsoft Azure

Infrastructure: Terraform (IaC)

Databases: PostgreSQL and NoSQL solutions

CI/CD: GitHub Actions

Monitoring & alerting: New Relic, Splunk, xMatters (or similar)

Tools: GitHub, Jira, Zendesk

Why join

Join an organisation experiencing triple‑digit growth

Work in a multicultural, highly skilled engineering team

Genuine ownership of systems, not just feature delivery

Opportunities to upskill in DevOps, cloud, and platform engineering

Competitive compensation and benefits, including medical insurance

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