Senior Full Stack Engineer

About Us

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.

Job Description

We’re now looking for a Senior Full Stack Engineer to join our Payments Team, designing and scaling secure, high-performing payment solutions used by millions of customers. This is a high-impact role at the core of the customer journey, where reliability, scalability, and user experience are critical.

What You’ll Do

• Build and evolve end-to-end payment systems in a microservices architecture
• Own features across the full SDLC — from discovery to deployment and operations
• Contribute to technical design and architectural decisions
• Collaborate across teams to deliver seamless, reliable payment experiences
• Continuously improve performance, scalability, and code quality

How We Work

• Agile, self-organised teams with strong ownership
• You build it, you run it (DevOps mindset)
• Collaborative culture: code reviews, pair programming, knowledge sharing
• Focus on clean code, testing, and continuous improvement

Tech Stack & Tools

• Backend: Java 17+, Spring, Microservices
• Frontend: React, Node.js, TypeScript, JavaScript, HTML, CSS, npm, Webpack
• Databases: Oracle, PostgreSQL (relational & non-relational)
• Cloud & DevOps: AWS (S3, SNS, SQS, RDS, DynamoDB), Docker, Kubernetes, Terraform, AWS CLI
• CI/CD: Jenkins pipelines
• Monitoring & Observability: Prometheus, Grafana, ELK stack, Sentry, Kibana
• Other: Git

What You Bring

• 7+ years of experience in software development
• Strong expertise in Java (17+) and Spring
• Solid frontend experience with React and modern JS/TS stack
• Experience with microservices and cloud-native systems (AWS)
• Hands-on experience with CI/CD, containerisation, and monitoring tools
• Strong understanding of testing (unit, integration, E2E)
• Passion for clean, scalable, maintainable code

Nice to Have

• Experience with AI-assisted development tools (e.g., GitHub Copilot)
• Applying AI for code generation, testing, debugging, or documentation

Additional Information

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.