Senior Software Engineer, Backend

This is a fully remote position, open to applicants in Germany.

📋 Description

• Design and create scalable backend services utilizing Node.js (NestJS) and Java / Kotlin (Spring Boot).

• Construct and sustain event-driven architectures leveraging Apache Kafka.

• Develop RESTful and asynchronous APIs for both internal and external services.

• Design and enhance data models using PostgreSQL, MongoDB, and Redis.

• Deploy and manage services across Windows Server, Docker, and Kubernetes environments.

• Create and maintain CI/CD pipelines with GitHub Actions to automate testing, security checks, and deployments.

• Implement and uphold cloud-native application architectures prioritizing reliability, scalability, and observability.

• Integrate Elasticsearch for logging, search, and analytical functionalities.

• Ensure adherence to code quality and security standards utilizing tools such as SonarQube, OWASP dependency checks, and TruffleHog.

• Engage in Agile ceremonies including sprint planning, stand-ups, and retrospectives.

• Mentor junior engineers and contribute to engineering best practices and architectural decisions.

⛳️ Requirements

• A minimum of 5+ years of experience.

• Strong backend development expertise with Node.js and NestJS.

• Solid experience in building services using Java / Kotlin and Spring Boot.

• Familiarity with Apache Kafka or other distributed messaging systems.

• Strong understanding of relational and NoSQL databases, including PostgreSQL and MongoDB.

• Experience with Redis for caching, messaging, or performance enhancements.

• Practical knowledge of containerization (Docker) and orchestration platforms (Kubernetes).

• Experience in deploying or maintaining applications on Windows Server environments.

• Hands-on experience in creating CI/CD pipelines using GitHub Actions.

• Understanding of cloud-native architecture patterns (microservices, distributed systems, resilience).

• Experience utilizing Elasticsearch for search, logging, or monitoring solutions.

• Knowledge of secure development practices, including static analysis and security scanning tools such as SonarQube, OWASP tools, and TruffleHog.

• Experience in an Agile/Scrum development environment.

🏝️ Benefits

• WSD is an employer that values diversity. We highly encourage applications from appropriately qualified and eligible candidates irrespective of age, race, religion, national origin, gender, sexual orientation, gender identity and/or expression, veteran status, disability, or any other status protected by applicable law.