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Java Software Engineer

8x8

8x8

Software Engineering
United Kingdom · Remote
Posted on Dec 19, 2025

8x8 connects our customers and teams globally, empowering CX leaders with performance and insights to make smarter decisions, delight customers, and drive lasting business impact.

Overview

Join 8x8's engineering team to build mission-critical communication services that power businesses worldwide. We're seeking a talented Java Engineer to join our growing team, where you'll work on scalable microservices that form the backbone of our platform. This position is fully remote within the UK.

What You'll Do

  • Develop and maintain robust microservices using Java and Spring Boot

  • Build and optimize cloud-native applications on AWS infrastructure

  • Work with containerized applications using Docker and Kubernetes

  • Write comprehensive automated tests to ensure code quality and reliability

  • Contribute to high availability solutions and system resilience

  • Collaborate with cross-functional teams to deliver high-quality solutions

  • Participate in architectural discussions and provide technical input

  • Support the team in troubleshooting and resolving production issues

What We're Looking For

Essential:

  • Solid Java development experience (5+ years)

  • Proven experience building Spring Boot microservices

  • Proficiency with Spring Data JPA, SQL, and database design

  • Strong experience with RESTful API development

  • Good understanding of AWS services and cloud architecture

  • Hands-on experience with Docker and Kubernetes for container orchestration

  • Strong automated testing skills using JUnit and Mockito

  • Knowledge of CI/CD pipelines and DevOps practices

  • Excellent problem-solving skills and attention to detail

  • Strong communication and collaboration abilities

Nice to Have:

  • Experience working with AI-powered development tools (e.g. Claude Code, GitHub Copilot)

  • Experience with Kafka and event-driven architectures

  • Knowledge of both SQL and NoSQL databases for different use cases

  • Experience with TestContainers for integration testing

  • Understanding of high availability principles and fault-tolerant design

  • Experience with monitoring and observability tools such as Grafana

About You

  • You're a collaborative team player who thrives in a dynamic environment

  • You have excellent verbal and written communication skills

  • You're passionate about writing clean, maintainable code and continuously learning new technologies

  • You take ownership of your work and are comfortable asking questions when needed

  • You actively contribute to team discussions and code reviews

What We Offer

  • Fully remote working within the UK with flexible hours

  • Opportunity to work on mission-critical systems at scale

  • Professional development and training opportunities

  • Collaborative team environment with experienced engineers

For a closer look into what life at 8x8 UK Ltd. is about check out our Instagram page.

8x8 believes diversity makes our company stronger which is why we are a proud equal opportunities employer and encourage all of our staff to bring their authentic selves to work. We believe in fairness which is why we have been a member of the Living Wage Foundation for many years and we believe in security so reserve the right to undertake background checks on anyone that we extend an employment offer to.

Our Job Applicant Privacy Notice can be found here.

Learn more on our company website at www.8x8.com follow our pages on LinkedIn, Twitter, Facebook and Instagram.