{"id":3518716,"url":"https://alion.io/job/balkantel-senior-embedded-c-developer","title":"Senior embedded C developer","company":{"id":453326,"name":"Balkantel","domain":"balkantel.net","url":"https://alion.io/company/balkantel-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sofia, Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":36000,"max_usd":82000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1936},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Embedded C","optional":false},{"name":"Linux","optional":false},{"name":"RTOS","optional":false},{"name":"TCP/IP","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-10-30T09:03:47Z","employer_posted_date":null,"last_verified_at":"2026-10-30T09:03:47Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"Senior embedded C developer\n\nBalkantel Ltd. is an engineering company specializing in R&D, manufacturing and integration of technology in critical infrastructure.\n\nWith over 30 years of engineering experience and in partnership with worldwide technology leaders, companies from the US and Europe, we have completed projects of international importance, such as:\n\n• The first national digital fiber optics network\n\n• Modernization of military and civilian airports to NATO and ICAO standards\n\n• Signalling and telecommunication systems on high-speed railway sections\n\n• Unified radio coverage of the territory of Bulgaria to ensure airspace protection\n\nToday, we continue to deliver complex engineering projects that shape the future of critical infrastructure. As our projects continue to grow in scale and complexity, so does our team. We are looking for ambitious professionals who are eager to expand their expertise, take on new challenges, and contribute to the delivery of innovative engineering solutions with real-world impact.\n\nTake the next step in your career with us.\n\nBalkantel Ltd. is an engineering company specializing in R&D, manufacturing and integration of technology in critical infrastructure.\n\nWith over 30 years of engineering experience and in partnership with worldwide technology leaders, companies from the US and Europe, we have completed projects of international importance, such as:\n\n• The first national digital fiber optics network\n\n• Modernization of military and civilian airports to NATO and ICAO standards\n\n• Signalling and telecommunication systems on high-speed railway sections\n\n• Unified radio coverage of the territory of Bulgaria to ensure airspace protection\n\nToday, we continue to deliver complex engineering projects that shape the future of critical infrastructure. As our projects continue to grow in scale and complexity, so does our team. We are looking for ambitious professionals who are eager to expand their expertise, take on new challenges, and contribute to the delivery of innovative engineering solutions with real-world impact.\n\nTake the next step in your career with us.\n\nWe are looking for an experienced and motivated Embedded C Developer to join our R&D department and contribute to the design and development of embedded software for advanced technical systems. If you have strong experience in low-level programming, firmware development and microcontroller-based systems, and enjoy working at the intersection of software and hardware, this opportunity is for you.\n\nYour Profile\n\n5+ years of professional experience in embedded software development using C and/or C++;\n\nStrong understanding of microcontrollers, embedded systems and hardware design principles;\n\nProven experience in low-level software development, including peripheral HAL, device drivers, bootloaders and initialization code;\n\nExperience in designing and implementing firmware functionalities for single-core and multi-core systems;\n\nGood knowledge of standard communication protocols such as CAN, LIN and Ethernet;\n\nSolid understanding of software engineering principles, including design patterns, algorithms and data structures;\n\nExperience with the software development lifecycle and configuration/version control tools;\n\nAbility to design and execute unit and integration tests, working closely with QA engineers;\n\nExperience in preparing technical documentation and collaborating with hardware engineers throughout the product lifecycle;\n\nAnalytical thinking and problem-solving skills;\n\nSelf-organization, result orientation and strong communication skills;\n\nGood working proficiency in English.\n\nIt Would Be an Advantage If You Have\n\nExperience with Linux-based embedded systems, Yocto Project or other build systems, and/or RTOS;\n\nKnowledge of higher-level network protocols, including TCP/IP, UDP, HTTP and TLS;\n\nExperience with embedded hardware architectures, such as ARM development boards or Single-Board Computers;\n\nPractical experience in system profiling, performance analysis and optimization;\n\nFamiliarity with requirements management tools.\n\nWhat We Offer\n\nThe opportunity to work on advanced embedded software solutions for complex technical systems;\n\nInvolvement in firmware architecture, low-level programming and hardware-software integration;\n\nThe opportunity to work alongside experienced R&D professionals;\n\nCollaboration with multidisciplinary engineering teams throughout the product development lifecycle;\n\nContinuous learning, professional development and technical certifications;\n\nAn environment that values technical expertise, initiative and innovation.\n\nMore Great Reasons to Join Balkantel\n\n Professional Growth\n\nWork on impactful projects in transportation, aviation, defense, and critical infrastructure.\n\nOpportunity to work with advanced technologies and cutting-edge engineering solutions.\n\nExposure to innovative technologies and international best practices.\n\nClear opportunities for professional and career development.\n\nAccess to internal and external training programs that support your continuous growth.\n\n Compensation & Benefits\n\nCompetitive salary aligned with your experience and contribution.\n\nPerformance-based financial incentives that recognize outstanding results.\n\nAttractive Employee Referral Program with bonuses for successful referrals.\n\n Health & Well-being\n\nAdditional private health insurance and annual preventive medical check-ups.\n\nMultiSport card to support an active lifestyle.\n\nComplimentary fresh fruit, coffee, and beverages in the office.\n\n Team & Culture\n\nA collaborative environment built on professionalism, mutual respect, and teamwork.\n\nSupportive colleagues who share knowledge, collaborate, and help each other succeed.\n\nCorporate events, team-building activities, and social initiatives that foster a strong sense of community.\n\nBecause we believe that the success of our projects is driven by the people behind them.\n\nIf you are looking to become part of our team and contribute to projects that make a real impact, we would love to hear from you.\n\nPlease note that only shortlisted candidates will be 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