API Developer & Tech Lead

Quick Facts

API Developer & Tech Lead role focused on leading API and microservice development, software architecture, integrations, security, and technical mentoring. Permanent position with hybrid work (up to three days/week mobile office) and development/career opportunities.

Description

You will independently drive the development and continuity of an information system by designing and supervising a best-practice software architecture and ensuring global application. The role emphasizes REST-based microservices, API management (OpenAPI/Swagger/Spectral), cloud-native platforms (Kubernetes/OpenShift, Docker/Podman), CI/CD, security, and quality engineering. You will also lead and mentor 1–6 external or 1–3 internal developers, support cross-team training, and advance innovation through prototypes and solution approaches.

Responsibilities

• Steer development, setup, and long-term continuity of the information system to meet strategic goals
• Develop and supervise software architecture following best practices; ensure it is applied globally
• Design and implement software integrations, configurations, and test strategies including documentation and validation
• Own software maintenance by implementing complex bug fixes and handling challenging 3rd-level support
• Provide technical leadership and actively mentor internal and external developers
• Drive innovation by creating prototypes and solution approaches to increase system stability with other IT teams
• Organize and lead cross-functional training to strengthen domain competencies
• Provide long-term technical guidance and mentoring for a small development team

Requirements

• Degree in Computer Science or Business Informatics or equivalent training with long, domain-specific experience
• Expert knowledge in a relevant area (client-server technologies, databases, or networks) plus basic business and legal knowledge
• Experience with Java 8+, Spring Boot, Spring Cloud, and OOD
• Experience with REST-based microservices and API management using OpenAPI, Swagger, and Spectral
• Hands-on knowledge of cloud-native technologies: Kubernetes, OpenShift, Docker/Podman, CI/CD pipelines, and Maven/Gradle
• Deep knowledge of relational databases (PostgreSQL, Oracle), data modeling, and authentication using OAuth2/OIDC
• Strong understanding of IT security, software engineering best practices, Scrum, and testing methods
• Fluent English (C1/C2) plus self-directed, confident working style; experience with communication and leadership in complex tasks
• Vulnerability management experience (e.g., Nexus IQ, JFrog Xray, Artifactory, SonarQube) and observability/monitoring (Grafana, ELK, Prometheus)
• Infrastructure as Code experience (Terraform) is beneficial
• Spring Certified Professional (or comparable) is a plus

Benefits

• 30 days of vacation plus additional special leave
• Hybrid work with up to three days per week in mobile office
• Development and career opportunities aligned with your personal situation
• Subsidies for Deutschlandticket and leasing options for a car and bicycle
• Company pension plan
• Support for private life and family
• Insurance and health offers and free coffee specialties at the Nürnberg site