Senior Java Software Developer

About the role

ITRS, an enterprise SaaS provider of IT observability solutions, is looking for a Senior Java Software Developer in London. You will report to the Engineering Manager, join the Platform Team and sit in a wider global engineering team. The Core Platform ingests, transforms and materialises observability data for downstream visualisation, integration and analytics applications. The role is permanent and full-time, based in the London office on a hybrid schedule.

Key responsibilities

• Take part in all phases of the product lifecycle: design, development, documentation, testing, integration, deployment and ongoing support.
• Take part in mentoring relationships, giving and receiving guidance.
• Work with team members to build innovative, customer-centric solutions and advocate a culture of quality and testing.
• In the first 30 days: learn the company, team and product, complete hands-on training, follow the onboarding checklist, pair with team members and review recorded sales calls.
• In the first 60 days: take a more active role in the agenda, help the Analytics developers community and start a learning course.
• In the first 90 days: own an initial subset of the product, supported by the team.

Required profile

• Predominantly a backend Java developer with at least 7 years of experience building complex distributed systems.
• Experience building event-driven applications at scale with Kafka and streaming frameworks such as Flink, Kafka Streams or Spark, beyond basic ETL pipelines.
• Experience designing systems around data consistency versus availability and managing complex data models with backwards compatibility.
• Experience tuning garbage collection, fixing CPU hotspots and analysing heap dumps on JVMs, and using monitoring and observability tools.

Required skills

• Core Java, data structures and concurrency, without relying on frameworks such as Spring.
• Kafka and event-streaming frameworks (Flink, Kafka Streams, Spark).
• Kubernetes deployment orchestration, including services, deployments and stateful sets.
• System design from macro to micro level, with performance and scalability in mind.

What we offer

• Health insurance and dental cover for you and your dependants.
• Employee assistance programme, pension and flexible hybrid working.
• Enhanced parental leave, travel insurance, life assurance and income protection.
• Referral bonus, buy-and-sell holiday and training reimbursement.