Backend Developer (Spring / Kotlin)

ALS Holding GmbH

Hilden, Germany

2 months ago

Role details

Contract type

Temporary contract

Employment type

Full-time (> 32 hours)

Working hours

Shift work

Languages

English

Job source

indeed.com

Tech stack

Clean Code Principles Confluence JIRA Automation of Tests Microsoft Azure Cloud Computing Code Review Continuous Integration Relational Databases Software Design Patterns Github Hibernate (Java)

+35 more

Java Persistence API PostgreSQL Microsoft SQL Server OAuth Performance Tuning Scrum Methodology Software Architecture RabbitMQ Prometheus Swagger JSON Web Token SQL Databases TypeScript Openapi Data Logging File Transfer Protocol (FTP) Grafana Spring-boot Software Security Reliability of Systems Backend Vue.js Kotlin Event Driven Architecture Build Management Containerization Gitlab-ci Git Flow Kubernetes Apache Kafka Front End Software Development Api Design Restful APIs Docker Microservices

Job description

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

Requirements

Do you have experience in TypeScript?, * 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