Senior Software Engineer - Java, React (All genders)

With over 25 years’ experience, plus the same enormous passion and ambition we had on day-one, we’re trailblazers in the pet e-commerce industry. Our solutions make over 12 million customers genuinely happier – and that’s something we really care about. We work together to continually adapt; embracing change and the challenges it brings so that we can keep doing better. Join us and discover a place where your potential meets your passion for pets. That’s the power of plus.  

We, the Payments tech team at Zooplus, are looking for a highly experienced Senior Software Engineer to take a central role in shaping the technical vision and implementation of our end-to-end payment systems. In this role, you will be the technical cornerstone of the team, bridging the gap between complex business requirements and robust architectural solutions. You will collaborate closely with product owners and architects to build a resilient, scalable payment infrastructure that ensures a seamless experience for millions of customers. 

Key Responsibilities:

• Drive the design and implementation of highly scalable backend systems and services.
• Own key technical decisions and define the long-term architectural direction for the payments domain.
• Partner with frontend, product, and DevOps teams to deliver integrated, end-to-end solutions.
• Set and maintain high standards for code quality, system performance, and maintainability.
• Act as a technical reference point for the team, fostering growth through design discussions, pairing, and high-impact code reviews.
• Influence development best practices and help the team evolve its engineering maturity.
• Contribute directly to the codebase as a senior individual contributor while overseeing system-wide integrations. Champion DevOps practices, focusing on CI/CD automation, cloud scalability (AWS), and proactive monitoring.

Tech Stack:

• Backend: Java (Spring Boot) Data: Oracle, PostgreSQL
• Frontend: React, JavaScript
• Infrastructure: AWS, Terraform, Kubernetes, Docker
• CI/CD & Monitoring: Jenkins, Prometheus, Kibana, Grafana, Git

• 8+ years in professional software development, with a proven track record of taking technical responsibility for complex projects or subsystems.
• Deep expertise in the Java ecosystem (Java 17+ and Spring Boot), including JVM internals and performance optimization.
• Strong experience in designing distributed microservices architectures that are scalable, secure, and fault-tolerant.
• Hands-on experience with AWS, Kubernetes, and Terraform, with the ability to define infrastructure patterns for the team.
• Advanced knowledge of relational databases, schema design, and maintaining data integrity in distributed environments.
• A strong advocate for Clean Architecture, TDD, and BDD; experience defining comprehensive testing strategies.
• Ability to articulate complex technical trade-offs to both technical and non-technical stakeholders.
• Strong communication skills, especially in articulating technical decisions.
• An strong drive for documentation and organization

Headquartered in Munich, with offices across Madrid, Krakow, Wroclaw, London and Vienna, we collaborate because we genuinely love working together - so you’ll be at the heart of an incredible, multinational team. We trust each other to get the job done, which means you’ll benefit from hybrid working, spending 60% of your time in the office and 40% at home. There’s an option to work for 20 days abroad in approved countries too.  

Add to that development opportunities that help you to shape your own career path, excellent training and support, wellbeing offers, subsidised transport or bike leasing, plus 20% discount across all our products, and you’ll begin to get a sense of what sets us apart. Find out more about the specific benefits at your local office in our blog posts. 

At zooplus, we believe in equal opportunity and support everyone to fulfil their potential. We recognise the power of listening and learning from each other and embrace diversity and inclusion of all.  

#LI-Hybrid 

zooplus is committed to equal opportunity. We value and embrace diversity and inclusion of all Team Members.