Senior Java Software Developer

1 year ago

London, United KingdomSenior

Responsibilities

Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support.
Build and evolve distributed core platform services that ingest, transform, and materialize observability data.
Develop event-driven applications and event-streaming solutions at scale.
Design high-performance, scalable systems from macro architecture through micro-level optimizations.
Orchestrate application deployments on Kubernetes and investigate deployment or runtime issues.
Design complex data models and manage their evolution to preserve backward compatibility.
Tune JVM garbage collection, investigate CPU hotspots, and analyze heap dumps for memory leaks.
Instrument application metrics and use monitoring and observability tools to identify root causes of issues.
Mentor team members and contribute to team support, quality, and testing practices.

At least 7 years of experience building complex distributed systems as a predominantly backend Java developer.
Deep understanding of core Java, data structures, and concurrency, including experience building applications without relying primarily on frameworks such as Spring.
Experience building event-driven applications with Kafka and event-streaming frameworks such as Flink, Kafka Streams, or Spark beyond basic ETL pipelines.
Experience orchestrating applications on Kubernetes, including services, deployments, and stateful sets.
Ability to design scalable systems and address data consistency versus availability trade-offs.
Experience designing complex data models and managing their evolution for backward compatibility.
Experience or familiarity with JVM performance tuning, garbage collection, CPU hotspot analysis, heap dumps, memory leaks, custom metrics, and observability tools.
Commitment to delivery, product outcomes, mentoring, and software quality.

Health insurance and dental health cover for employees and dependants.
Employee Assistance Programme, pension, travel insurance, life assurance, and income protection.
Flexible hybrid working from the London office.
Enhanced parental leave and buy-and-sell holiday options.
Referral bonus and training reimbursement.
Permanent, full-time employment.

201-500 employees