Senior Java Developer (Platform Infrastructure)




Senior Java Developer (Platform Infrastructure)

JettyCloud looks for IT professionals on behalf of RingCentral to join its team in Sofia.

RingCentral Bulgaria is a new European branch of an American company RingCentral. JettyCloud is a software R&D center that works for RingCentral. Due to our long-term partnership we help the company to find talented engineers who will work on #1 cloud communications solution.

We seek an experienced Java software engineer with superior technical expertise to join our Platform team developing high-load HTTP/WebSocket infrastructure.


  • Take a senior role in the design, development, and support of high-load and highly available routing layer infrastructure;

  • Interact with system architects, product owners, and business stakeholders on converting high-level functional requirements into actionable low-level design and implementation tasks;

  • Support the created product throughout the entire release cycle;

  •  Support and improve the toolset for product quality assurance and release (automation pipelines, functional and performance testing frameworks, etc);

  • ¬†Work in an Agile team, participate in improving development processes and enhance the effectiveness of teamwork.

Required skills:

  • 4+ years of back-end development experience;

  •  Expertise in designing and implementing complex highly available and globally distributed applications;

  •  Excellent Java programming skills;

  • Broad experience with popular Java technologies and frameworks (e.g. Spring, Jetty, Netty, Vert.x);

  • Hands-on experience with Docker/Kubernetes;

  • Proficiency in Linux operating systems (CLI, shell scripting);

  • Good written and spoken communication skills in English.

Will be a huge plus:

  • Expertise in high-load systems design and development;

  • Expertise in NGINX, its design and principles;

  • Hands-on experience with the Netty framework;

  • Hands-on experience with in-memory caches (Redis) or data grids (Oracle Coherence);

  • Hands-on experience with message queues/brokers (Apache Kafka);

  • Deep knowledge of Kubernetes internal machinery;

  • Experience with Unix TCP/IP programming;

  • Experience with AWS;

  • Understanding of Agile processes and tools.

We offer:

  • Well-coordinated professional team.

  • Cutting edge technologies, interesting and challenging tasks, dynamic project, great opportunities for self-realization, professional and career growth.

  • Additional Health and Life Insurance Package.

  • Employee Assistance Program.

  • 25 vacation days.

  • ReBenefit Platform Account with 400BGN value monthly.

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