Senior Java Backend Engineer (m/f/x)

Jackalope Digital LLC; Berlin; Hybrid; EUR 90.000 - 125.000; Vollzeit

Benefits dieser Stelle

32 days vacation

Birthday off

Flexible hybrid working

Learning budget

Mental health coaching

Global and local events

Sabbatical after 3 years

Cloud-based setup

Zusammenfassung

Atolls, a leading community-driven shopping platform, seeks a Senior Java Backend Engineer to design and scale backend services in Berlin or remotely from Germany. You will build with Java 17+, Spring Boot, GraphQL, and microservices, ensuring reliability and performance across markets.

You will collaborate with product and DevOps, mentor peers, and contribute to AI-enabled features while upholding high engineering standards and clean code. Strong English required.

Qualifikationen

• 8+ years of backend development experience.
• Strong expertise in Java 17+ and Spring Boot.
• Experience with MySQL and NoSQL databases (DynamoDB/MongoDB).
• Proficiency with Kubernetes, GraphQL, and microservice architectures.
• Proven performance optimization and testing capabilities.
• Excellent English communication skills.

Aufgaben

• Design, develop, and maintain scalable backend services in Java 17+.
• Build microservice-based, event-driven architectures.
• Develop GraphQL APIs and work with Spring Boot/WebFlux.
• Model data using MySQL and NoSQL databases.
• Collaborate with product, frontend, and DevOps teams.
• Mentor juniors and contribute to architectural decisions.
• Contribute to AI-enabled features and backend integrations.

Kenntnisse

Java

Spring Boot

Spring Reactive

Kubernetes

GraphQL

MySQL

NoSQL

Microservices

Event-driven

Performance optimization

End-to-end testing

Prompt engineering

Software design

English proficiency

Tools

Kubernetes

Jobbeschreibung

Atolls is the world's largest community-driven shopping platform, active in 20+ markets.

We help millions make smarter spending decisions across discovery, evaluation, and (re-)purchase by connecting people with the right brands and retailers.

Our 1,000+ team across 10 countries builds products used every day at global scale, where you'll have real ownership and see your impact. Want to shape the destinations people rely on to shop with confidence? Keep reading.

About This Role:

We are looking for a Senior Java Backend Engineer to join our Engineering team in Berlin or remotely from Germany. In this role, you will design, build, and scale high-performance backend systems using modern Java technologies and cloud-native architectures.

You will work on complex systems where reliability, clean architecture, and strong engineering standards matter, helping Atolls build backend services that can support growth across markets and platforms.

Our Benefits:

At Atolls, we believe in nurturing both your professional and personal growth. Here's what you can expect:

• 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, giving you the time you need to recharge.
• A flexible hybrid working scheme to balance work and life.
• Access to a learning budget and internal training to help you grow in your role.
• Mental health coaching to support your well-being.
• Regular global and local get-togethers to celebrate successes and build connections.
• The possibility of taking a sabbatical after three years with the company.
• A cloud-based company setup, providing flexibility and collaboration opportunities no matter where you are.

*These are global benefits that apply to all employees, with additional local perks based on your location.

Responsibilities:

As a Senior Java Backend Engineer, you will:

• Design, develop, and maintain scalable backend services usingJava 17 or other recent versions (11+).
• Build and evolve microservice-based and event-driven architectures
• Develop APIs using GraphQL
• Work with Spring Boot and Spring Reactive (WebFlux)
• Design and optimize data models using MySQL and NoSQL databases (DynamoDB or MongoDB)
• Ensure high performance, reliability, and scalability of backend systems
• Write clean, maintainable, and well-tested code
• Implement performance testing and end-to-end testing
• Collaborate closely with product managers, frontend engineers, and DevOps
• Contribute to architectural decisions and technical best practices
• Mentor junior engineers and provide technical leadership when needed
• Collaborate on AI-enabled features, including prompt engineering and backend integrations

Your Profile:

• 8+ years of professional experience in backend development
• Strong expertise in Java 17 or other recent versions (11+)
• 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
• Experience with end-to-end testing strategies
• Experience with prompt engineering for AI-powered applications
• Excellent understanding of software design and architectural patterns
• Ability to design elegant, scalable, and maintainable system architectures
• Strong communication skills and excellent English proficiency

Bonus points:

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

Our hiring process:

1. TA Call: Meet one of our Talent Experts and get to know Atolls better.
2. Technical Round: Focus on the technical aspects of the role (Through a Live Case), and meet your potential manager.
3. Final Round: Meet other Atollians
   It varies from 1 to 3 interviews

*Some processes might slightly change according to needs

At Atolls, we want to ensure that all employees can thrive in an inclusive environment. Our employment opportunities are open to every gender, race, religion, age, sexual orientation, ability, place of origin, or socioeconomic status. We remain committed to a culture of diversity, equity and belonging, where all employees are welcomed, respected, connected, and engaged.