FSS_Software Developer_Future Air-Ground Communications
Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Oct 16, 2026.
Software Developer
Future Air-Ground Communications
Bratislava FREQUENTIS Solutions & Services s.r.o. Full time
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Job Introduction
FREQUENTIS 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).
Frequentis 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.
Your Role
As 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.
Working Model
- Hybrid working model with flexibility to work from home
- Regular onsite collaboration in our Bratislava office (typically once per week)
Key Tasks
- Evolve the existing proof of concept into reliable, secure, observable, and maintainable product software
- Design and implement event-driven network services, protocol handlers, and state-machine logic
- Translate RFCs and aviation or networking specifications into traceable implementations and automated unit tests
- Integrate software with network devices and services using IPv4/IPv6, UDP/TCP, NETCONF, SNMP, SSH, and gRPC
- Contribute to architecture, code reviews, unit and integration testing, CI/CD, packaging, and technical documentation
- Diagnose complex issues in Linux and containerized environments
- Collaborate with testers, system engineers, and international aviation partners.
Key Qualifications
Technical Skills & Competencies (Must Have)
- At least three years of relevant professional software-development experience, or equivalent demonstrated expertise
- Strong proficiency in Python or a comparable high-level language, with the ability to become productive in Python quickly
- Experience developing event-driven, asynchronous, or concurrent software
- Solid hands-on networking knowledge, including IPv4/IPv6, TCP, UDP, routing, and diagnosing protocol or traffic issues using tools such as Wireshark and tcpdump
- Ability to understand complex technical standards and turn them into clear, maintainable, and tested code
- Practical Linux experience, including package installation, virtual machines, networking, and troubleshooting
- Experience with Git-based workflows, automated unit testing, and collaborative code reviews
- Good technical English and the ability to work effectively in an international team
Special Skills & Abilities (Nice To Have)
- Scripting and automation in Linux environments
- Experience with OCI containers, Docker or Podman, Compose, Jenkins, and CI/CD pipelines
- Knowledge of NETCONF, SNMP, gRPC, SSH, LISP, raw sockets, or binary protocol implementation
- Experience productizing prototypes or developing high-availability, networking, aviation, or other mission-critical systems
- Familiarity with specification-driven and responsible AI-assisted development
- Experience working in a Scrum team and using Jira or a comparable work-management tool
- Experience with development in aviation, telecommunications or other mission-critical systems
Employee requirements
Minimum achieved education
- secondary school with an A-Levels equivalent
Education in the field
- Information Technology, Telecommunications
Language skills
- English - Upper intermediate (B2)
Personality requirements and skills
- Flexible, self-driven, goal-oriented, and structured in your approach to work
- Ability to independently analyse requirements and design technical solutions
- Proactive problem-solving mindset and ownership of tasks
- Systematic, reliable and responsible working style
- Strong communication skills and ability to work effectively in an international team
- Proficiency in spoken and written English
- Willingness to travel occasionally
Our Values
Around 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.
Benefits
We 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.
TRUST-BASED REFRESHMENTS HOME MODERN MENTORING TRAININGS
TEAM & EMPLOYEE WORKING HOURS AT WORK OFFICE IT-EQUIPMENT PROGRAM COMPANY EVENTS REFERRAL PROGRAM
Benefits
We 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.
TRUST-BASED REFRESHMENTS HOME MODERN MENTORING TRAININGS
TEAM & EMPLOYEE WORKING HOURS AT WORK OFFICE IT-EQUIPMENT PROGRAM COMPANY EVENTS REFERRAL PROGRAM
Salary
Monthly Gross Salary
EUR 4000
Your individual salary is based on your professional experience and qualifications and is part of our attractive total package.
Discover the best way of working
Sofia Viktória Rišpánová
Human Ressources
| [email protected] | +421 (2) 32272 169
Your 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.
Become part of Frequentis and apply now - our CV parsing will make your application easier and faster!
At Frequentis we don’t just create innovations,we create a kind of wonderto make the world a safer place.