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Senior Java Developer - Customer Administration Portal

Job in Greater London, London, Greater London, EC1A, England, UK
Listing for: Global Relay
Full Time position
Listed on 2026-01-13
Job specializations:
  • Software Development
    Software Engineer, Cloud Engineer - Software, Java Developer, Backend Developer
Job Description & How to Apply Below
Location: Greater London

About the Company

For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving them greater visibility and control over their information and ensuring compliance with stringent regulations.

We believe great businesses thrive on diversity, inclusion, and the contributions of all employees. To that end, we recruit candidates from different backgrounds and foster a work environment that encourages collaboration and learning free of barriers.

Your role

Joining the Customer Administration Portal line, you will work as a member of a small, highly focused team responsible for delivering backend services for highly scalable and robust messaging, using leading‑edge technologies. This is an opportunity to work in an environment that encourages creative thinking and autonomy. You will improve our industry‑leading compliant messaging platform, enabling users to communicate with their customers on familiar messaging platforms while meeting regulatory requirements.

Tech

stack
  • Micro‑services Container Platforms (Kubernetes, CRC, Docker)
  • No

    SQL DBs (Cockroach

    DB, Cassandra, Zookeeper, Arango

    DB)
  • Large‑scale data processing (Kafka)
  • Dependency injection frameworks (Guice)
  • Splunk
  • CI/CD Build tools:
    Maven, Git, Jenkins
  • Frameworks:
    Spring Boot
  • Real‑time communication APIs (WebRTC, SIP, XMPP)
Responsibilities
  • Design, implement and provide architectural guidance for deploying microservices as part of an agile development team.
  • Migrate existing services to microservices to reduce complexity.
  • Write unit and integration tests for Java code.
  • Collaborate with testers in developing functional test cases.
  • Develop deployment systems for Java‑based systems.
  • Collaborate with product owners on user story generation and refinement.
  • Monitor and support the operation of production systems.
  • Participate in knowledge sharing activities with colleagues.
  • Engage in pair programming and peer reviews.
Required Experience
  • Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services.
  • Experience with RESTful services.
  • Passion for Test‑Driven Development.
  • Experience with CI/CD pipelines.
Attributes
  • Good communication skills.
  • Problem‑solving mindset.
  • Self‑starter.
  • Team player.
What you can expect

At Global Relay, there’s no ceiling to what you can achieve. You’ll receive mentoring, coaching, and support to reach your career goals, work alongside smart, talented individuals from diverse backgrounds, and benefit from a culture that rewards creativity and perseverance.

Equal Employment Opportunity

Global Relay is an equal‑opportunity employer committed to diversity, equity, and inclusion. We seek to ensure reasonable adjustments, accommodations, and personal time are tailored to meet the unique needs of every individual.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Technology, Information and Internet

Referrals increase your chances of interviewing at Global Relay by 2x.

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Position Requirements
10+ Years work experience
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