Senior Software Engineer (all genders)

About the job

Experienced developer to lead technical initiatives, mentor junior team members, and drive architectural decisions. Will take ownership of complex features and serve as technical authority. Works with Product Owners to translate business requirements into scalable, secure solutions.

You

Key Responsibilities
Technical Leadership

• Design and implement scalable, secure, cloud-native solutions
• Drive architectural decisions and evaluate technology trade-offs
• Establish coding standards and best practices
• Conduct code reviews and ensure quality adherence
• Lead technical discussions on complex problems

Mentorship & Knowledge Transfer

• Mentor Professional and Junior developers
• Document technical decisions and architectural approaches
• Share knowledge through technical talks or pair programming
• Guide team on security and cloud-native best practices

Feature Ownership & Delivery

• Take ownership of complex features from design through production
• Work with Product Owner to refine requirements
• Estimate and execute deliverables reliably
• Identify technical risks early and propose mitigation
• Ensure features meet security, performance, and scalability requirements

Continuous Improvement

• Identify opportunities for technical optimization and refactoring
• Evaluate new tools, frameworks, and approaches
• Propose improvements to development processes

Required Qualifications
Experience

• Minimum 7+ years of professional software development
• Minimum 4+ years with Java/Spring Boot + Angular stack
• Proven experience designing scalable, cloud-native systems
• Strong track record shipping production systems reliably
• Experience mentoring or leading other developers

Technical Expertise – Portal Stack

• Expert-level: Java, Spring Boot (Spring Core, Spring Security, Spring Data JPA), Hibernate, Jersey
• Advanced Angular: components, services, RxJS, state management, performance optimization
• Strong knowledge of: SASS, Hazelcast, RabbitMQ, websockets, Drools, Jasper Reports
• Jackson for JSON serialization
• Quartz for scheduled jobs and workflow automation
• Database design and optimization
• Containerization (Docker, Kubernetes) and cloud deployment

Cross-Stack Competencies

• Expert REST API design and best practices
• Strong security knowledge: authentication, authorization, encryption, secure communication
• Cloud-native architecture patterns: microservices, distributed systems, resilience
• CI/CD pipelines, automated testing strategies, monitoring
• Basic understanding of AI/ML concepts (ideal)

Bonus: Polyglot Capabilities

• Experience with Python, PHP, Node.js, or other backends
• Ability to learn and adapt to new stacks quickly

Soft Skills

• Excellent communication in English and German
• Ability to articulate complex technical concepts clearly
• Strong problem-solving and analytical thinking
• Mentoring and coaching capabilities
• Proactive, self-directed, takes ownership
• Comfortable with ambiguity and rapid change