(Senior) Java Developer (m/w/d)

Global CT

WAS KANNST DU BEI UNS ERWARTEN Du bist Teil unseres Entwicklerteams und arbeitest mit deinen Kolleginnen und Kollegen an spannenden nationalen und internationalen Projekten. Diese können sowohl Inhouse im Rahmen von eigenen und/oder externen Entwicklungen stattfinden, sowie im Zusammenhang mit Kundeneinsätzen vor Ort.   UND WAS BRINGST DU DAFÜR MIT? * Du bist sowohl zeitlich, räumlich als auch inhaltlich bzgl. Deines Einsatzgebietes flexibel * Du hast eine schnelle Auffassungsgabe * Deutschkenntnisse auf mindestens B2 Level  * Du strebst nach persönlicher und fachlicher Weiterentwicklung * Du bist daran interessiert Dich und andere auf das nächste Level zu bringen * Du pflegst einen sehr hohen Qualitätsanspruch an Deine Arbeit  * Du bringst 2-5 Jahre Erfahrung in der Frontendentwicklung mit gängigen Frameworks (React, Angular oder vue.js)  * Außerdem Erfahrungen im Umgang Nodejs und type-script sowie beim Design von Oberflächen * Vertiefte UX-Kenntnisse  * Fundierte Kenntnisse in HTML5, JavaScript und CSS3 und im Umgang mit SASS und SCSS  * Kenntnisse im Bereich CI/CD  * Nice to have: * Kenntnisse in Java  * Abgeschlossenes Studium der Informatik, Wirtschaftsinformatik oder vergleichbare Ausbildung (Fachinformatiker Anwendungsentwicklung)  DAS BIETEN WIR DIR * Top Work-Life-Balance durch Ermöglichung von mobilen Arbeiten * Wahrnehmung der persönlichen Ziele und Wünsche für die Karriereplanung * Umfangreiche Weiterentwicklungsmöglichkeiten * Attraktives Fixgehalt sowie leistungsorientierte Zusatzvergütung * 30 Urlaubstage * Ein bestehendes Netzwerk aus erfahrenen und zielstrebigen Experten * Spannende Einsätze in regionalen als auch internationalen Projekten namhafter Kunden * Regelmäßige Team Meetings tragen zur familiären Unternehmenskultur bei * Flache Hierarchien sorgen für kurze und klare Kommunikation * Sowie viele weitere Benefits

Vay

Ever imagined saying, “I helped launch the future of transportation”? We’re rewriting the rules of urban mobility. At Vay, customers tap a button and a car arrives - with no one inside - powered by our world-first Remote Driving technology on real public streets. We’re live in Las Vegas and scaling fast, powered by a strategic investment of up to $410 million from Grab. Our mission is simple: replace private car ownership with a faster, cleaner, door-to-door mobility model. If you want to build something real, visible, and genuinely transformative, you’ll feel right at home here. Curious to experience Vay yourself? Use the code VAYCANDIDATE for $10 off your first trip in Las Vegas! Download the "Vay" app from the Apple or Google Play store & off you go!  WHAT’S HAPPENING AT VAY * First to roll out vehicles in both Europe and the USA on public roads without a human being inside & currently the 2nd largest commercial, driverless car fleet in the Western World. * We've partnered with Kodiak to bring remote-driving technology to autonomous trucks in the US, showcasing our ability to integrate our system into heavy-duty commercial vehicles and expand the applications of our tech across the US. * We’ve completed 10’s of thousands of trips so far and are busy multiplying our Las Vegas fleet just to meet demand! * ...And soon we’ll be expanding across the US & Europe 🚀 WHY THIS ROLE IS EXCITING  At Vay, we’re revolutionizing mobility with cutting-edge remote driving technology, and we need exceptional engineers to bring this vision to life. As a Senior Backend Engineer, you will play a pivotal role in scaling our business and shaping the future of transportation. This is not your typical backend role - your work will sit at the intersection of deep tech and mobility, tackling challenges that have never been solved before. You'll collaborate closely with a dynamic, cross-functional team spanning product, frontend, mobile, electrical engineering, embedded software, and more. From defining technical requirements to designing, implementing, and deploying solutions, you’ll have full ownership over the technology you build - making a real, tangible impact on the company and our customers. Your contributions will power fleet management, dispatch, payments, and real-time APIs that connect drivers and customers seamlessly. Every line of code you write will help craft a magical user experience, ensuring that remote driving feels effortless, safe, and efficient. If you thrive on solving complex problems and want to push the boundaries of what’s possible in mobility, we’d love to have you on board. WHAT YOU'LL BE DRIVING * Design & Develop: Build and maintain scalable Golang-based backend services, APIs, and cloud infrastructure as code - leveraging CI/CD to ensure seamless deployments. * Elevate Engineering Excellence: Contribute to cross-team platform engineering initiatives, shaping shared best practices, tools, and libraries to drive efficiency and innovation. * Build End-to-End Solutions: Work closely with frontend, mobile, and embedded teams to craft seamless, high-impact solutions that directly enhance the customer experience and business operations. * Drive Product & Technical Vision: Collaborate with product and engineering leadership to refine goals, define requirements, and actively contribute to sprint and quarterly planning. * Own Quality & Reliability: Champion clean code, automation, and continuous monitoring, ensuring robustness, scalability, and a world-class developer experience. WHAT ARE WE LOOKING FOR  * Backend Expertise: Hands-on experience developing scalable backend services and APIs, preferably in Golang (Python is also highly relevant). * Cloud & Distributed Systems: Solid understanding of cloud-native architectures, distributed systems, scalability, and reliability best practices. * Event-Driven Architectures: Familiarity with technologies like Kafka, RabbitMQ, or similar event-driven messaging systems. * DevOps & Infrastructure: Experience with CI/CD, infrastructure as code, and monitoring to ensure robust and maintainable deployments. * Database Proficiency: Strong knowledge of relational databases (e.g., PostgreSQL), with an understanding of data modeling and optimization. * Education & Fundamentals: Bachelor’s degree or higher in Computer Science, Engineering, or a related STEM field, with a strong grasp of algorithms and data structures. NICE TO HAVE: * Industry Experience: Background in Mobility, Logistics, or similar domains. * Mobile-First Products: Experience working on products with a strong mobile integration. * Additional Tech Stack: Familiarity with Node.js, gRPC, AWS, Terraform, or NoSQL databases. * Low-Level Programming: Proficiency with C/C++ for performance-critical components. WHY CHOOSE VAY 💪 A global team of smart, motivated people from 30+ countries who love tackling hard problems and turning bold ideas into reality 🌍 Huge scope for impact in a fast paced environment 💰 ESOP stock options: A stake in Vay’s future - not just a salary 🌴 Unlimited Paid Vacation Days 🎫 Subsidised Deutschland ticket (Berlin) 🏋️‍♂️ Subsidised Urban Sports Club or FitX Membership  🚗 All Vay team members receive 30% off their Vay rides 🛍️ Exclusive external discounts 💼 €350 Home office budget  ✈️ Relocation financial assistance when relocating to Berlin  📚 Fully funded German lessons  🎊 Regular team events throughout the year For more information on Vay’s physical demands, working environments and safety requirements, you can review this link. We’ll also cover anything specific to this role during the first interview. We’d love to stay connected for future opportunities, so feel free to include your LinkedIn profile when you apply. We welcome applications from all backgrounds and experiences. If you’re excited about shaping something truly groundbreaking, we’d be happy to hear from you.

Vay

Ever imagined saying, “I helped launch the future of transportation”? We’re rewriting the rules of urban mobility. At Vay, customers tap a button and a car arrives - with no one inside - powered by our world-first Remote Driving technology on real public streets. We’re live in Las Vegas and scaling fast, powered by a strategic investment of up to $410 million from Grab. Our mission is simple: replace private car ownership with a faster, cleaner, door-to-door mobility model. If you want to build something real, visible, and genuinely transformative, you’ll feel right at home here. Curious to experience Vay yourself? Use the code VAYCANDIDATE for $10 off your first trip in Las Vegas! Download the "Vay" app from the Apple or Google Play store & off you go!  WHAT’S HAPPENING AT VAY * First to roll out vehicles in both Europe and the USA on public roads without a human being inside & currently the 2nd largest commercial, driverless car fleet in the Western World. * We've partnered with Kodiak to bring remote-driving technology to autonomous trucks in the US, showcasing our ability to integrate our system into heavy-duty commercial vehicles and expand the applications of our tech across the US. * We’ve completed 10’s of thousands of trips so far and are busy multiplying our Las Vegas fleet just to meet demand! * ...And soon we’ll be expanding across the US & Europe 🚀 WHY THIS ROLE IS EXCITING As a Senior Software Engineer, Connectivity at Vay, you’ll help build and optimize the networking backbone that makes remote driving possible. Our Connectivity team owns the low-latency real-time video streaming and data transport systems that connect our vehicles with our telestations across cellular and satellite networks. This is a hands-on engineering role where performance, reliability, and safety matter every day, and where your work will directly shape the quality of the remote driving experience. You’ll work on a latency-sensitive distributed system, test your solutions on state-of-the-art hardware, and use real production data to investigate incidents, improve performance, and keep pushing our network stack forward. WHAT YOU'LL BE DRIVING * Develop, optimize, and maintain high-performance network stack used to transport data (video, audio, control, telemetry) between the vehicle and the telestation with a strong emphasis on clarity, maintainability, and efficiency. * Integrate the Vay network stack into various target hardware and software platforms. * Extend and maintain network testbeds and CI infrastructure. * Profile and optimize the performance of the system. * Triage incidents from the production system and create fixes/improvements. WHAT ARE WE LOOKING FOR * Strong proficiency in modern C++ (C++17 or later), with a focus on high-performance, multi-threaded applications. * Experience working in Linux-based environments. * Solid understanding of networking fundamentals and protocols (TCP, UDP). * Ability to analyze and optimize systems. * Strong problem-solving skills and a research-oriented mindset. * Experience working on distributed systems. * Good interpersonal and communication (oral and written) skills Nice to have: * Understanding of networking and wireless technologies, including LTE/5G, WiFi, Starlink, and experience with tools like Wireshark for traffic analysis. * Hands-on experience with streaming protocols, such as RTP/RTCP/RTMP/SRT, and media frameworks, such as GStreamer, FFmpeg, or DirectShow. * Familiarity with congestion control algorithms and network simulation environments. * Experience with building and deployment (e.g. CMake, Docker, Yocto), and scripting languages such as Python or Lua. * Experience in real-time or embedded systems development, with knowledge of modem configuration via AT commands. * Background in performance analysis and debugging, using tools like perf, perfetto; and graphical UIs like ImGui. WHY CHOOSE VAY 💪 A global team of smart, motivated people from 30+ countries who love tackling hard problems and turning bold ideas into reality 🌍 Huge scope for impact in a fast paced environment 💰 ESOP stock options: A stake in Vay’s future - not just a salary 🌴 Unlimited Paid Vacation Days 🎫 Subsidised Deutschland ticket (Berlin) 🏋️‍♂️ Subsidised Urban Sports Club or FitX Membership  🚗 All Vay team members receive 30% off their Vay rides 🛍️ Exclusive external discounts 💼 €350 Home Office Set-up  ✈️ Relocation financial assistance when relocating to Berlin  📚 Fully funded German Lessons  🎊 Regular team events throughout the year   For more information on Vay’s physical demands, working environments and safety requirements, you can review this link. We’ll also cover anything specific to this role during the first interview. We’d love to stay connected for future opportunities, so feel free to include your LinkedIn profile when you apply. We welcome applications from all backgrounds and experiences. If you’re excited about shaping something truly groundbreaking, we’d be happy to hear from you.