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Senior Java Engineer



Software Engineering
Posted on Monday, September 4, 2023
At 8x8 Inc. [Nasdaq:EGHT] we put communications at the heart of our business and build technology that allows people to connect anytime, anywhere they are in the world, and on any device. XCaaS - the 8x8 eXperience Communications Platform - brings together Employee and Customer Experience, enabling hybrid workforces across the globe to connect, collaborate, and delight customers, while providing businesses with real-time communications analytics, intelligence and unique insights.
Learn more on our company website at www.8x8.com and follow our pages on LinkedIn, Twitter and Facebook.
What will you build?
8x8 Contact Center is a complete Cloud contact center SaaS solution that makes it easy to connect and collaborate with agents, employees and customers. Recognized for six years in a row in the Gartner Magic Quadrant for CCaaS.
It combines world-class omnichannel interactions capabilities, workforce engagement, quality management, outbound dialling, CRM (embedded and external integrations) and many other capabilities.
8x8 Contact Center is fast growing and already serves thousands of Customers spread across all over the globe.
How will you do it?
Contact Center architecture tackles the exciting challenges faced by a successful system at scale: scalability, performance, resilience, multi-tenancy, multi-region, cost optimization and time to mark. At the same time we face interesting domain specific challenges related to the real-time nature of the business:
- Real-time ultra-performant concurrent matching of Interactions and Agents
- Telephony and Digital Channels integrations (SMS, Social Media, Web Chat, Chat Bots)
- Integration with 8x8 Unified Communications Platform
- CRM integrations
We adopted the Microservices architectural style and run our system in a hybrid Public Cloud - Private DataCenter infrastructure.
Our Agile Process is continuously improved in order to support our Continuous Delivery mindset and fast evolving business needs.
We are firm believers that Quality relies on healthy engineering practices:
- Well articulated Technical Design
- API First
- Great Code
- Extensive and candid Peer Reviews
- Qualitative and quantitative test coverage as per the Pyramid of Tests
- Excellent Documentation

Highlights of our technology stack:

  • Backend: Java 17, SpringBoot/Cloud, Kafka, Redis, Camunda;
  • AWS Managed Services;
  • Frontend: React JS;
  • Infrastructure, configuration and deployment: Terraform, Ansible, Docker, Kubernetes;
  • Observability: Wavefront, New Relic, Dashbase, Lightstep.


  • Very strong knowledge of Java Core;
  • Expertise in Linux;
  • Spring ecosystem know-how;
  • Proficiency in Database technologies (SQL and NoSQL);
  • Good knowledge of Distributed Systems;
  • Good knowledge of NFR-s analysis and implementation;
  • Deliver beautiful and well tested code;
  • Exposure to AWS (or other Public Cloud).


  • 25 annual leave days. Additional vacation of 1 leave day for every 2 complete years of employment (max. up to 5 days);
  • Performance bonus, Christmas and Easter Allowance;
  • Private Pension, Group Life Insurance, Private Healthcare, Telecom allowance, Newborn allowance;
  • Flexible benefits online platform through Benefit Online;
  • Team8s company days off;
  • Employee Stock Purchase Program.
For a closer look into what life at 8x8 International and the Cluj office look like 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 and we believe in security so reserve the right to undertake background checks on anyone that we extend an employment offer to.
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