Mobile App Senior Developer (f/m/d)

Kontron Transportation is a leading international provider of end-to-end communication solutio... 1 Mobile App Senior Developer (f/m/d)

Your tasks

• Degree in Telecommunications, Computer Science, Electrical Engineering or a related technical discipline.
• Design, build, and maintain high-performance native Android applications using Kotlin and Jetpack Compose, tailored for ruggedized mobile hardware and specialized handheld devices.
• Architect and implement low-latency real-time audio/video streaming and communication protocols, including SIP, RTP, WebRTC, and 3GPP MCX standards (MCPTT, MCVideo, MCData).
• Optimize background and foreground services to guarantee continuous connectivity, instant call setup times.
• Implement rigorous data security practices, including end-to-end encryption (E2EE), and compliance hardening for public safety standards.
• Establish rigorous testing standards, including automated unit, integration, and stress tests tailored for network jitter, packet loss, and low-battery scenarios.
• Partner closely with our cross-functional engineering squads, seamlessly following our established development processes and agile workflows to keep our release cycles predictable and code quality high.

Your qualification

• Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related technical discipline.
• 5+ years of professional Android development experience with a track record of deploying complex, high-reliability applications to production.
• Deep understanding of networking protocols (TCP/UDP, WebSockets, IP networking, QoS) and real-time media streaming.
• Proven experience managing device power consumption, memory management, and performance profiling under constrained hardware limits.
• Strong background in writing robust, testable code backed by comprehensive unit and UI testing frameworks with a sense of quality for clean code, testing, and code Reviews.
• Passion for collaborating in an agile, interdisciplinary team while using our standard collaboration tools like Jira and Confluence.
• Hands-on experience with 3GPP Mission Critical Services (MCX) or Land Mobile Radio (LMR) is nice to have
• Familiarity with enterprise Mobile Device Management (MDM) rollouts is a plus
• Prior experience in public safety, defense, aerospace, or industrial IoT software development is an advantage

Our offer As a leading international company in the mission-critical networks industry, we offer exciting and varied roles in various fields of expertise. Working with the latest technologies, implementing innovative projects, and collaborating with a wide variety of customers are just a few of the factors that drive the Kontron team.

• Community and Success-these are the values that define how we work together. Join our motivated, international team:
• Open communication with a casual, first-name-only culture across all international locations
• Flexible work hours and the option to work from home
• An environment that welcomes new ideas and encourages initiative
• Personalized training and professional development opportunities based on performance reviews
• A modern office in the Vienna Technology Hub, surrounded by numerous restaurants and excellent infrastructure
• Regular company events and team-building activities
• Many attractive employee benefits (e.g., meal vouchers, workplace health promotion, company bike, additional vacation days for volunteer work and birthdays, transportation allowance)

We offer a competitive gross annual salary starting at EUR 55,000 per year. A higher salary commensurate with your actual qualifications and experience is possible.

Interested? https://kontron-transportation.softgarden.io/job/67364910/Mobile-App-Senior-Developer-f-m-d-?jobDbPVId=284523395&l=de Das Mindestentgelt für die Stelle als Mobile App Senior Developer (f/m/d) beträgt 55.000,00 EUR brutto pro Jahr auf Basis Vollzeitbeschäftigung. Bereitschaft zur Überzahlung.