Senior Java Backend Engineer (Java)

TL;DR

Senior Java Backend Engineer (Java): Designing, building, and scaling high-performance backend systems for a community-driven shopping platform with an accent on modern Java technologies, cloud-native architectures, and microservice patterns. Focus on developing robust APIs, optimizing database performance, and contributing to AI-enabled features.

Location: Hybrid in Munich, Germany

Company

hirify.global is the world’s largest community-driven shopping platform, active in 20+ markets, helping millions make smarter spending decisions.

What you will do

• Design, develop, and maintain scalable backend services using Java 17+.
• Build and evolve microservice-based and event-driven architectures and develop APIs using GraphQL.
• Design and optimize data models using MySQL and NoSQL databases.
• Ensure high performance, reliability, and scalability of backend systems.
• Write clean, maintainable, and well-tested code, including performance and end-to-end testing.
• Contribute to architectural decisions, mentor junior engineers, and collaborate on AI-enabled features, including prompt engineering.

Requirements

• 8+ years of professional experience in backend development.
• Strong expertise in Java (17+) and extensive experience with Spring Boot and Spring Reactive.
• Solid knowledge of MySQL and experience with NoSQL databases (DynamoDB or MongoDB).
• Hands-on experience with Kubernetes.
• Strong understanding of microservice architecture and event-driven systems.
• Experience building and consuming GraphQL APIs.
• Proven experience with performance optimization and testing and end-to-end testing strategies.
• Experience with prompt engineering for AI-powered applications.
• Experience with Python or strong willingness to learn Python.
• Excellent understanding of software design and architectural patterns and ability to design elegant, scalable, and maintainable system architectures.
• Excellent English proficiency.

Nice to have

• Cloud experience (AWS/GCP/Azure).
• Experience with CI/CD pipelines.
• Experience building AI-integrated backend systems.

Culture & Benefits

• A culture that values personal and professional development with internal mobility opportunities.
• A supportive and open-minded team that embraces diverse perspectives and innovative ideas.
• 32 days of paid vacation plus your birthday off.
• A flexible hybrid working scheme to balance work and life.
• Access to a learning budget and internal training, plus mental health coaching.
• Regular global and local get-togethers and the possibility of taking a sabbatical after three years.

Hiring process

• TA Call: Meet one of our Talent Experts.
• Technical Round: Focus on technical aspects through a Live Case and meet your potential manager.
• Final Round: Meet other Atollians.