Senior Software Developer - Mobility and Traffic Analytics

About The Position At Ambrosys, we build data-driven systems for complex mobility and urban infrastructure challenges (B2B/B2G), including traffic insights, geolocation, tolling, and smart city solutions. In this role, you’ll contribute to a real-time data platform for traffic insights, processing large-scale streaming data. You’ll work on production systems with real-world impact, collaborating closely with engineers and stakeholders in a low-bureaucracy, generalist environment. What You Will Do Design, build, and operate components of a real-time data platform (streaming pipelines, backend services, data products)Take ownership of well-defined services or components, including reliability, performance, and data qualityContribute across the stack (backend systems, data pipelines, domain-specific components)Collaborate with product and domain stakeholders to implement pragmatic technical solutionsContribute to engineering practices (testing, code reviews, incident learnings, delivery) What You Bring Experience building production-grade software systems (typically 4–6+ years)Strong programming skills in Python and/or Java/ScalaExperience with distributed systems (APIs, scalable services, async processing)Hands-on experience with streaming/data systems (e.g., Kafka, Flink)Solid approach to code quality, testing, and maintainabilityComfortable working in cross-functional teams with engineers and stakeholdersAbility to communicate technical concepts and trade-offs clearly in English and German Nice to have Data correctness patterns (schemas/contracts, idempotency, backfills)Cloud-native environments (containers, orchestration, IaC)Mobility, geospatial, or regulated domain experienceExperience using AI-assisted engineering toolsExposure to MLOps or data-driven systems in production Why us? As a new member of our team, you can look forward to: Exciting and diverse tasks and close collaboration in small teamsA flexible work schedule and location, with up to 4 days a week from homeThe ability to work from abroad for a total of 10 days per yearA personal training and career development plan, including a generous €1,500 yearly learning budget for further educationRegular company and team events, including our monthly meetup to connect, exchange ideas, and have fun togetherA flat hierarchy and open communication channels with direct access to the CEOA dedicated feel-good manager providing best-in-town coffee, refreshments, fresh fruit/vegetables, snacks, and a monthly company breakfastOptional bike leasing with a discount for a stress-free commuteA subsidised Deutschlandticket for easy commutingAdditional days off for special occasions or if your child is ill Compensation Range: €76,860 – €90,653 total compensation (including bonuses), with room to grow as you and the company develop, subject to annual adjustments in line with inflation rate. As an equal opportunities employer, we welcome and value diversity and inclusivity. We encourage applications from all qualified individuals, regardless of gender, sexual orientation, origin, religion, belief, or age. Important note: We manage our recruitment process entirely in-house and do not collaborate with external recruiters. Please refrain from sending unsolicited profiles or outreach. About Us Ambrosys is a young and dynamic company specializing in research and development. We work on a variety of topics including mobility, energy, and complex systems, using various programming languages and technologies to create innovative software solutions using an agile development approach. Our team, consisting of physicists, computer scientists, and mathematicians, combines expertise from different disciplines to drive both general and specialized development. We have a flat hierarchy, rely on self-organization among our employees, and aim to create a fun and challenging work environment as we develop products and services in AI, mobility, and energy, as well as provide coaching and consulting services for agile software development.