Java Software Engineer

We are currently hiring a Java Software Engineer for an exciting client engagement.

Role: Software Engineer Java

Location: Belfast, UK (5 days/ week onsite)

Positions: 6 Months Contract Inside IR35

Please Note: Must work 5 days a week from the end customer's office in Belfast

As a Software Engineer, you will:

• Build and enhance backend services while contributing to the cloud‑modernization of our large‑scale, containerized and distributed email security platform.
• Develop clean, maintainable code primarily in Java, and Perl components where needed.
• Design and implement APIs and backend components, including data ingestion and processing pipelines.
• Work with event‑driven, streaming, and asynchronous processing architectures.
• Collaborate closely with Product, QA, SRE, and other engineering teams.
• Own and improve CI/CD pipelines to support reliable builds, testing, and deployments.
• Participate in an on‑call rotation to help maintain system reliability.
• Take initiative, learn new technologies, and drive improvements across the platform.

What You Bring to the Team

• Strong experience in Java, with flexibility to work across additional technologies as needed.
• Experience with CI/CD tooling and deployment workflows.
• Experience or strong interest in distributed or stateful systems in cloud‑native environments.
• Experience with AWS or similar cloud platforms.
• Experience with Kubernetes or other container orchestrators.
• Familiarity with event‑driven messaging patterns or real‑time streaming data processing.
• Familiarity with caching or data stores (e.g., Redis).
• Focus on building maintainable, high‑performance, and scalable systems.
• Effective communication and collaboration with cross‑functional teams.

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