Senior Java Engineer in London

Senior Java Engineer in London

London Full-Time On-site
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Overview

In this role you will design, build, and maintain scalable backend systems for InfoSum’s data collaboration platform, collaborating with cross-functional teams to deliver robust solutions. You will optimize performance, ensure security, and drive reliability in high-load environments. You’ll mentor juniors, implement monitoring, and adopt best practices to improve maintainability. This position offers the chance to contribute to a privacy-first data ecosystem at scale with a strong emphasis on cross-team collaboration.

Pay / Benefits

  • hybrid work model
  • inclusive culture
  • accommodations available
  • opportunities for scale and impact
  • equal opportunity employer

Responsibilities

  • Design scalable, high-performance backend services
  • Identify and resolve performance bottlenecks under heavy loads
  • Implement security best practices for data protection and compliance
  • Develop automated testing strategies for quality and reliability
  • Collaborate with product, frontend and DevOps teams for seamless deployments
  • Mentor junior engineers and share knowledge
  • Implement monitoring and logging to detect production issues
  • Stay updated on emerging technologies to improve efficiency and maintainability

Key requirements

  • 5+ years in backend development with Java
  • Experience with Python and/or Go advantageous
  • Strong understanding of distributed systems, gRPC, microservices, REST APIs
  • Cloud and container experience (AWS, Azure, or GCP; Docker; Kubernetes)
  • Database design and query optimization
  • Scalability strategies, load balancing, caching, event-driven architectures (Kafka)
  • CI/CD and automated testing
  • Excellent problem-solving and cross-functional collaboration skills
  • collaboration
  • clear communication
  • problem-solving
  • Java
  • Python or Go (advantageous)
  • distributed systems

Senior Java Engineer in London employer: InfoSum

As a leading data technology company based in London, we pride ourselves on fostering a dynamic work culture that encourages innovation and collaboration. Our employees benefit from competitive salaries, comprehensive benefits, and ample opportunities for professional growth, making us an excellent employer for those looking to make a meaningful impact in the tech industry.

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Contact Details:

InfoSum Recruitment Team