Senior Java Software Engineer (Java, Spring, AWS) – Robotics & AIA fast-growing robotics and AI startup is transforming how industrial robots operate within dynamic warehouse environments. The company specialises in high-throughput palletising and advanced logistics automation, building distributed, cloud-native systems where reliability, scalability and performance are mission-critical. With a small, high-calibre team and zero bureaucracy, this is an opportunity to make a direct impact on both product and technical direction.The RoleThis is a true end-to-end ownership position. You will design distributed systems, build robust backend services (80%) and modern frontends (20%), manage cloud infrastructure, and drive engineering quality across the platform. Working closely with the founding team, you’ll help translate business strategy into scalable, production-grade technology.You’ll also see your code running on physical robots in real-world warehouse environments. Expect roughly 50% on-site collaboration to work closely with both software and hardware systems.Key ResponsibilitiesArchitect,



design and maintain scalable distributed systemsBuild and deploy backend services usingJava (Spring)Develop RESTful APIs and web frontends withAngularOwn infrastructure:Containerisation using DockerAutomation via Bash scriptingAWS deployment and CI/CD best practicesManage SQL and No SQL databases, ensuring reliability and performanceImplement comprehensive testing strategies (unit, integration, end-to-end)Lead code reviews and champion engineering best practiceCollaborate with leadership and clients to translate business needs into technical solutionsSupport hiring and mentoring as the engineering team scalesRequirements8+ years’ experience in software engineering, including 5+ years in a senior or lead roleStrong expertise inJava and Spring(essential)Proven experience designing distributed systems and scalable architecturesStrong AWS experience (deployment, scaling, monitoring)Hands-on frontend experience with AngularExperience with Docker, Linux environments, Bash scripting and networking fundamentalsSolid database experience (SQL & No SQL)Strong commitment to testing and high-quality codePython and/or C++ experience is advantageousWhat’s on Offer€70-90k + meaningful equityHigh ownership and autonomyDirect collaboration with foundersOpportunity to build AI-powered systems deployed in real-world robotics environmentsFast-moving, no-bureaucracy culture

📌 Senior Java Software Engineer (Madrid)
🏢 Digital Waffle
📍 Madrid