We’re a small, fast-growing telecommunication systems vendor with the core R&D team currently based in Moscow and with offices in the US, UK, and Latvia. Our product is a mobile communication services system specifically designed to work in remote locations of Africa, Latin America, Pacific, and similar regions. Fairwaves technology is based on a combination of open-source components like Osmocom, FreeSWITCH, Erlang/Elixir with our Software-Defined Radio and a number of proprietary blocks to deliver a complete Software Defined Mobile Network. We’re working with major telecom operators and partnering with blue-chip companies like Intel, Facebook, and SES Networks who appreciate unrivaled skill set of our team. Minimum Requirements Significant experience in C/C++ development and application deployment. Excellent research skills. You will regularly encounter protocols and standards you’ve never heard of, and will be required to deal with them and possibly work around their limitations with minimal external help. Vast debugging and troubleshooting experience. Self-driven. You might have to formulate your tasks yourself based on given high-level goals. We’re very light in managing our team which has its pros and cons. Solid understanding of GNU/Linux and open-source development tools, practices, and licenses. Professionalism in interaction with developers of open-source and proprietary software we’re using as a part of our solution. Conversational English and/or Russian. Preferred Requirements System-level development on Linux/POSIX systems. Experience in reading 3GPP specifications. Protocol-level understanding of the GSM/GPRS, LTE and 5G stacks. Experience with any of the Osmocom, SRS, OpenAirInterfaces, and/or FlexRAN projects. Offer Salary starting from 170k Rub based on interview results. Stock option plan in the US-incorporated parent entity. Office location in the center of Moscow with easy transport access (Kitay Gorod) and a real hackerspace atmosphere. You can work remotely as long as you still drop by the office once or twice a week, and on request. Possible future relocation to the UK, US or Latvia.