Backend Developer (Spring / Kotlin) (m/f/d)
Backend Developer (Spring / Kotlin) (m/f/d)
Permanent
Your Benefits
ALS Holding GmbH
Details
+49 (1514) 2564116
Job Description
What you can expect
- Work on a large-scale Customs Management System processing thousands of declarations every day
- Design and build modern backend services with Spring Boot, Kotlin, and cloud-native technologies
- Take ownership of technical solutions and contribute to architectural decisions
- Work with modern technologies such as Kubernetes, Docker, Kafka/RabbitMQ, and Microsoft Azure
- Collaborate closely with international, cross-functional teams in an agile environment
- Opportunity to shape engineering standards and improve system reliability
- Drive technical innovation and contribute proactively with your ideas
- A culture that values ownership and continuous learning
- High level of flexibility and autonomy in how you approach technical challenges
- Fully remote setup with flexible working hours and regular team events in European cities
What you bring
- Strong experience with Spring Boot; Kotlin experience preferred (or willingness to learn)
- Solid knowledge of relational databases (e.g. PostgreSQL, SQL Server), SQL, schema design, and ORMs such as Hibernate / Spring Data JPA
- Experience with HTTP/REST APIs, SFTP, and API design/documentation (OpenAPI / Swagger)
- Commitment to clean, maintainable code (Clean Code, SOLID, design patterns, code reviews) and automated testing (unit, integration, end-to-end)
- Experience with Git workflows and modern development practices
- Experience with microservices and event-driven architectures (e.g. Kafka, RabbitMQ) and cloud-native development, ideally on Microsoft Azure
- Familiarity with Kubernetes, Docker, and CI/CD pipelines (GitLab CI/CD, GitHub Actions) as well as basic understanding of application security (OAuth2, JWT, secure API design)
- Experience with monitoring, logging, and tracing tools (e.g. Grafana, Prometheus, ELK, OpenTelemetry) and understanding of scalability, resilience, and performance optimization
- Agile mindset with experience in Scrum/Kanban and tools such as Jira or Confluence, willingness to support frontend topics (Vue.js / TypeScript is a plus)
- Strong communication skills in English
About us
ALS
Are you looking for a new professional challenge in international trade? Then you've come to the right place. As an international customs service provider with over 700 employees in 17 countries, we create customised solutions through our expertise, innovative technology and value-added services. At ALS, we trust our dedicated experts and empower them to independently design compliant and efficient solutions. Our product portfolio ranges from customs clearance to customs consulting. ALS is on a permanent growth course. This opens up long-term prospects for various specialists and career changers. We like things to be pragmatic and uncomplicated, and also support openness and fairness, collegiality and teamwork. Initiative and a can-do mentality are just as much a part of us as stability and foresight: Together, they make us strong for the future. Sounds like solid opportunities for committed professionals? That's exactly how it is.
Enable Innovation Beyond Borders
Together, We Drive Global Trade - Start Your Journey Here!
Recruitment Process
Online application
Your documents will reach us quickly and directly via our online application form; depending on the position, a cover letter may be required. In any case, we are eager to see your CV and references – for us, the best way to make a good first impression.
Application screening
Our HR team and the responsible department will take a close look at your application as soon as possible. We will do our best to give you feedback within two weeks. With your agreement, we would also be happy to forward the documents to other business units if the selected position does not work out.
Selection Process
Depending on the position, there are various ways of finding out if we are a good match for each other. In most cases, we rely on a personal interview, on a eye level of course. Online tests, assessment centres or work on a trial basis may also be possible. In the end, the best decision is taken for both sides.
Onboarding
With your commitment, you are a part of the ALS Group right away – we are already eager to shape the customs of the future together with you. To ensure that your start is a complete success, we will familiarise you with everything you need to know about ALS Customs Services and your assignment with us. Your experienced colleagues will guide you every step of the way, and together you will easily master each of your new tasks.
