Backend developer (AI team)

Technology Stack:

Rust, C++, gRPC, Mongodb, Kafka, Postgres, CI/CD in Gitlab, Kubernetes



Backend developer (AI team)

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.

RingCentral builds a high-available cloud-based contact center that combines all kinds of telephony features and many digital communication channels with customers (WhatsApp, Facebook, Twitter, email, SMS, etc.) into one service. We develop a modern and reliable product that helps companies be closer to their customers and respond to their requests as quickly and efficiently as possible. 

Our product is a revolutionary system that processes large volumes of audio data in real-time, leveraging AI and telecommunications technology.


  • Processing large volumes of data;

  • Creating convenient APIs;

  • Integrating with other teams;

  • Maintaining a scalable system of integrations with external resources.

Languages and technologies:

  • Code is written in Rust;

  • We actively use gRPC, Mongodb, Kafka, Postgres, CI/CD in Gitlab, Kubernetes and gitops approach.


  • Experience in backend development, ideally in Rust or C/C++;

  • Experience with concurrency, asynchronous programming, high load, and streams;

  • Experience with Kubernetes is also required;

  • Love of testing and understanding of the need for them; 

  • Experience with Unix systems;

  • Experience working in Agile teams (Scrum, Kanban); 

  • Ability to articulate thoughts effectively and work in a team; 

  • At least an intermediate level of English is required.

You are going to

  • Design and develop backend services; 

  • Configure infrastructure; 

  • Perform code review; 

  • Take part in product requirements analysis and technical backlog planning;  

  • Be a part of professional team.

We offer

  • Well-coordinated professional team;

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

  • Flexible working hours and opportunity for a hybrid work;

  • Job placement and payment of salary take place according to the labor code, as well as vacation and sick lists;

  • Medical Insurance, including Dental and Vision;

  • Life Insurance;

  • Business Travel Insurance;

  • Employee Assistance Program;

  • Vacation 25 days vacation;

  • Tickets compensation - $500 per family member (but not more than $2000);

  • Accommodation compensation - $2000 (if employee lives in apartments which are provided by RC) or $2500 (if rents accommodation by himself);

  • Meal vouchers.

Apply for job


Contact us

Write to us at or send a message to our recruiters