Senior Backend Engineer (Java) – Hybrid in Welwyn Garden City

About the role

We are seeking a Senior Backend Engineer with deep Java expertise to join our fast‑growing technology team. The role is hybrid, requiring 1–2 days per week on‑site in Welwyn Garden City, and focuses on building scalable, event‑driven services that power data‑intensive products used by customers at scale.

Key responsibilities

• Design, develop and maintain high‑quality Java backend services using Spring Boot.
• Own the full service lifecycle – from architecture and coding to deployment, monitoring and production support.
• Implement CI/CD pipelines and ensure reliable, frequent releases.
• Work with Microsoft Azure cloud infrastructure and Infrastructure as Code tools such as Terraform.
• Collaborate with platform teams, product owners and other engineers to deliver robust, scalable solutions.

Required profile

• Several years of experience delivering Java backend services in production.
• Strong hands‑on knowledge of Spring Boot and modern Java development practices.
• Solid understanding of distributed, micro‑service and event‑driven architectures.
• Experience in a DevOps‑led environment with ownership of live systems.
• Familiarity with cloud platforms (Azure preferred) and CI/CD tooling.

Required skills

• Java
• Spring Boot
• Microsoft Azure
• Terraform
• GitHub Actions (or similar CI/CD tools)
• SQL
• NoSQL
• Microservices
• Event‑driven architecture
• Infrastructure as Code