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Senior Backend Engineer with Rust or C/C++
RingCentralBulgariaSenior
Apply Say hello to opportunities.
It’s not everyday that you consider starting a new career. We’re RingCentral, and we’re happy that someone as talented as you is considering this role. First, a little about us, we’re a $2 Billion annual revenue company with double digit Annual Recurring Revenue (ARR) and a $93 Billion market opportunity in UCaaS, Contact Center and AI-powered adjacencies. We invest more than $250 million annually to ensure our AI-enabled technology and platforms meet or exceed the needs of our customers.
This role requires on-site presence at our office 4 days a week to support effective collaboration and teamwork.
Join our Core Media team as a Senior Backend Engineer (C/C++/Rust) and play a vital role in building a cutting-edge cognitive platform for speech recognition and generation and AI voice agents. Our solutions power essential products like RingEX (Phones), RingCX (Contact Center), and RingCentral Events & Video and Webinars (Video Conferences) and AI Receptionist, processing millions of minutes of audio monthly for transcription and generating thousands of minutes of speech.
We are a team of passionate engineers working with the latest technologies, including a microservices architecture deployed on AWS Kubernetes using a GitOps approach. We’re seeking an experienced Rust or Golang engineer who thrives in a dynamic environment and is ready to take on complex, large-scale challenges.
What You’ll Do:
Design and develop robust media and AI related backend services for RingEX, RingCX, and RingCentral Events & Video and Webinars;
Ship production-ready code, write comprehensive tests, and conduct thorough code reviews;
Collaborate closely with cross-functional teams to analyze product requirements, shape technical designs, and plan backlogs;
Contribute to a high-performing, professional engineering team own culture and focus on delivering scalable media and AI solutions.
What We’re Looking For:
Strong proficiency in C/C++ or Rust, or Erlang with hands-on experience building backend service;
Solid background in Linux development;
Experience deploying and managing services in Kubernetes;
Deep understanding of networking fundamentals and common protocols (IP, TCP, UDP, HTTP, gRPC);
Deep knowledge of Computer Science.
Bonus Points For:
Experience with audio/video streaming over IP networks;
Familiarity with audio/video codecs;
Familiar with AI technologies for speech recognition and generation;
Expertise in designing scalable applications and distributed components.
What 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;
102.26 EUR/200 BGN Digital Food Vouchers via EdenRed and their application;
61.36 EUR/120 BGN Gross as part of the salary for Working Expenses Allowance.
About RingCentral
RingCentral, Inc. (NYSE: RNG) is a leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone™ (MVP™) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral® empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is headquartered in Belmont, California, and has offices around the world.
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