{"id":2702435,"url":"https://alion.io/job/frequentis-fss-software-developer-future-air-ground-communications","title":"FSS_Software Developer_Future Air-Ground Communications","company":{"id":54731,"name":"Frequentis","domain":"frequentis.com","url":"https://alion.io/company/frequentis","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bratislava, Slovakia"],"countries":["SK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"gRPC","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Tcpdump","optional":false},{"name":"Wireshark","optional":false},{"name":"Docker","optional":true},{"name":"Jenkins","optional":true},{"name":"Jira","optional":true},{"name":"LISP","optional":true},{"name":"Podman","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-10-16T11:32:39Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-17T04:28:22Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"WHY FREQUENTIS\nWE ARE LOOKING FOR\nWE OFFER\nJOBS\nApply now\nSoftware Developer\nFuture Air-Ground Communications\nBratislava FREQUENTIS Solutions & Services s.r.o. Full time\n:\nShare:\nShare\nJob Introduction\nFREQUENTIS Solutions & Services (FSS) as a member of the Austrian Group FREQUENTIS AG, is focused on software development, system engineering and delivery of safety-critical voice communication and information systems. Our solutions are developed and distributed in the following business segments: Air Traffic Management & Defence (civil and military air traffic control, aeronautical information management), Public Safety (police, fire and rescue services, emergency medical services) and Public Transport & Maritime (railway and urban transport solutions, vessel traffic management).\nFrequentis portfolio of market-leading products is designed to provide comprehensive solutions for the aviation industry. From automation to tower systems, voice communication to traffic optimisation, information management to surveillance, networks to UTM and recording, we offer a broad range of solutions that cater to all ATM operational needs.\nYour Role\nAs a Software Developer you will help shape the next generation of air-ground communications. Join an international technology leader and work with major aviation partners to turn an innovative proof of concept into reliable, product-quality software for ESA’s ground infrastructure. Solve complex networking challenges, validate new ideas through prototypes, and benefit from flexible working arrangements with a strong focus on work-life balance.\nWorking Model\nHybrid working model with flexibility to work from home\nRegular onsite collaboration in our Bratislava office (typically once per week)\nKey Tasks\nEvolve the existing proof of concept into reliable, secure, observable, and maintainable product software\nDesign and implement event-driven network services, protocol handlers, and state-machine logic\nTranslate RFCs and aviation or networking specifications into traceable implementations and automated unit tests\nIntegrate software with network devices and services using IPv4/IPv6, UDP/TCP, NETCONF, SNMP, SSH, and gRPC\nContribute to architecture, code reviews, unit and integration testing, CI/CD, packaging, and technical documentation\nDiagnose complex issues in Linux and containerized environments\nCollaborate with testers, system engineers, and international aviation partners.\nKey Qualifications\nTechnical Skills & Competencies (Must Have)\nAt least three years of relevant professional software-development experience, or equivalent demonstrated expertise\nStrong proficiency in Python or a comparable high-level language, with the ability to become productive in Python quickly\nExperience developing event-driven, asynchronous, or concurrent software\nSolid hands-on networking knowledge, including IPv4/IPv6, TCP, UDP, routing, and diagnosing protocol or traffic issues using tools such as Wireshark and tcpdump\nAbility to understand complex technical standards and turn them into clear, maintainable, and tested code\nPractical Linux experience, including package installation, virtual machines, networking, and troubleshooting\nExperience with Git-based workflows, automated unit testing, and collaborative code reviews\nGood technical English and the ability to work effectively in an international team\nSpecial Skills & Abilities (Nice To Have)\nScripting and automation in Linux environments\nExperience with OCI containers, Docker or Podman, Compose, Jenkins, and CI/CD pipelines\nKnowledge of NETCONF, SNMP, gRPC, SSH, LISP, raw sockets, or binary protocol implementation\nExperience productizing prototypes or developing high-availability, networking, aviation, or other mission-critical systems\nFamiliarity with specification-driven and responsible AI-assisted development\nExperience working in a Scrum team and using Jira or a comparable work-management tool\nExperience with development in aviation, telecommunications or other mission-critical systems\nEmployee requirements\nMinimum achieved education\nsecondary school with an A-Levels equivalent\nEducation in the field\nInformation Technology, Telecommunications\nLanguage skills\nEnglish - Upper intermediate (B2)\nPersonality requirements and skills\nFlexible, self-driven, goal-oriented, and structured in your approach to work\nAbility to independently analyse requirements and design technical solutions\nProactive problem-solving mindset and ownership of tasks\nSystematic, reliable and responsible working style\nStrong communication skills and ability to work effectively in an international team\nProficiency in spoken and written English\nWillingness to travel occasionally\nOur Values\nAround 2,600 employees are committed to creating a safer world with their innovative strength and technology orientation. Our culture is based on a working environment characterized by fairness and trust, mutual respect and appreciation. As an international company, we value this diversity and recruit regardless of age, gender, origin, ethnicity, sexual orientation or religion. We value fair and good working conditions, an optimum work-life-balance and offer all our employees equal development opportunities. In doing so, we focus on long-term working relationships in order to keep the valuable know-how of our employees stable.\nBenefits\nWe offer an international and exciting work environment with manifold opportunities to grow both personally and professionally. Happiness and commitment of our employees is a key contributor to our success and we therefore put strong emphasis on our team spirit and a healthy work-life-balance. We are located in a modern office building with good public transportation connections, close to the city center of Bratislava.\n TRUST-BASED REFRESHMENTS HOME MODERN MENTORING TRAININGS\n TEAM & EMPLOYEE WORKING HOURS AT WORK OFFICE IT-EQUIPMENT PROGRAM COMPANY EVENTS REFERRAL PROGRAM \nBenefits\nWe offer an international and exciting work environment with manifold opportunities to grow both personally and professionally. Happiness and commitment of our employees is a key contributor to our success and we therefore put strong emphasis on our team spirit and a healthy work-life-balance. We are located in a modern office building with good public transportation connections, close to the city center of Bratislava.\n TRUST-BASED REFRESHMENTS HOME MODERN MENTORING TRAININGS\n TEAM & EMPLOYEE WORKING HOURS AT WORK OFFICE IT-EQUIPMENT PROGRAM COMPANY EVENTS REFERRAL PROGRAM \nSalary\nMonthly Gross Salary\n\nEUR 4000\n\nYour individual salary is based on your professional experience and qualifications and is part of our attractive total package.\n\nApply now\nDiscover the best way of working\n\nSofia Viktória Rišpánová\nHuman Ressources\n|  | +421 (2) 32272 169\n| Social media contact\nYour potential deserves the right environment. At Frequentis, I’m here to guide you toward opportunities where your strengths can shine, and your future can grow.\nBecome part of Frequentis and apply now - our CV parsing will make your application easier and faster!\nApply now\nAt Frequentis we don’t just create innovations,we create a kind of wonderto make the world a safer place.\nREAD MORE ABOUT FREQUENTIS\nCAREER AWARDS","description_format":"text","description_chars":7280,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Company events","Flexible schedule","Hybrid work"],"hiring_locations":[{"name":"Slovakia","iso":"SK","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Public Transport","Military Communication","Air Traffic Control"],"lifecycle":[{"event":"open","at":"2026-10-16T11:32:39Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":24,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/frequentis-fss-software-developer-future-air-ground-communications","json_url":"https://alion.io/job/frequentis-fss-software-developer-future-air-ground-communications.json","meta":{"generated_at":"2026-10-17T06:32:12Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":8870,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":54731},"rest":"https://alion.io/mcp/rest/get_company?id=54731"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffrequentis-fss-software-developer-future-air-ground-communications"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ffrequentis-fss-software-developer-future-air-ground-communications"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ffrequentis-fss-software-developer-future-air-ground-communications"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/frequentis-fss-software-developer-future-air-ground-communications\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffrequentis-fss-software-developer-future-air-ground-communications"}]}