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Senior Backend Engineer

External
GLS/NXT logoGls/nxt · Berlin, Germany
Full-timeOn-site2w ago
KotlinSQLExpressSpringAWSDocker
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Requirements

  • 5+ years of proven experience as a Backend Engineer or in a similar role within a cross-functional team environment.
  • Proficiency in Kotlin for backend development.
  • Strong hands-on experience with Spring Boot , building robust and scalable services.
  • Solid experience with SQL and relational databases , including schema design and performance optimization.
  • Experience with event-driven architectures (e.g., Kafka, SNS/SQS).
  • Proficiency in REST API design principles , microservices architecture, and cloud-based services (preferably AWS).
  • Experience deploying applications using containerization and orchestration tools (e.g., Docker, Kubernetes).
  • Comfortable working in an Agile environment , embracing incremental delivery and continuous feedback.
  • Strong problem-solving and analytical skills , with a keen eye for debugging and performance tuning.
  • Excellent written and verbal communication skills in English , with the ability to explain complex technical concepts clearly to diverse audiences.

Benefits

Dynamic workplace: A digital environment with international projects and space to learn and growFlexible work conditions: Hybrid working mode with a tailored remote policyFocus on learning: A personal budget (1.000€) for learning and development initiativesPhysical space for ideas: A great office space in Berlin Mitte with top-tier equipmentTransparent and competitive compensation: A salary package that reflects your expertise and experience.Active participation: A clear bonus system enabling participation in your and the team's performanceEngaging team culture: Monthly team cooking, regular events and offsitesVacation policy: 30 days of yearly holidayReward system: Rewards for the recommendation of additional team membersAbout GLS/NXTCommitment to DiversityFind Jobs in Germany on Arbeitnow

Additional Information

Join GLS/NXT as a Senior Backend Engineer and help shape the future of out-of-home delivery. We're building the OOH Platform - a scalable system that empowers carriers across multiple countries to deploy, manage, and optimize parcel locker networks with ease. At GLS/NXT, you'll work at the intersection of startup energy and enterprise muscle - moving fast, experimenting freely, and owning your work end-to-end. We care deeply about solving real user problems and building reliable, high-quality backend systems that make logistics smarter and more connected. If you're driven by impact, thrive in a collaborative and fast-moving environment, and love turning complex challenges into elegant and simple technical solutions, we'd love to have you on board. Let's build the future of logistics - together. Tasks Design, build, and maintain server-side applications with a focus on performance, scalability, and reliability. Collaborate with cross-functional teams to define, design, and ship new features and improvements. Drive best practices in code quality, security, and testing across the development lifecycle. Troubleshoot, debug, and upgrade existing software systems proactively and effectively. Stay current with emerging technologies and industry trends to continuously drive innovation within the team.

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