Job Description
Kleinanzeigen reaches 36 M+ monthly users and is Germany's leading online classifieds market. We are a sustainability-focused platform where you won't just write code; you will power the services that bridge our high-traffic backend with seamless user experiences.

Job Description
Kleinanzeigen reaches 36 M+ monthly users and is Germany's leading online classifieds market. We are a sustainability-focused platform where you won't just write code; you will power the services that bridge our high-traffic backend with seamless user experiences.
Joining the Edge team means working on the bedrock of Kleinanzeigen, dealing with high-throughput, low-latency and highly-efficient services that require a 'you build it, you run it' mindset, offering you deep exposure to modern infrastructure and platform architecture.
Job requirementsWhat You'll OwnAs a Backend-Heavy Full Stack Engineer, you'll be a central driver for the services that power user privacy and media delivery at scale. You will own the full development lifecycle: from design and implementation to deployment and maintenance. Core Systems Architecture: Designing and scaling critical microservices using mostly Java and Spring Boot that support 36 M+ monthly users.
Full Lifecycle Responsibility: Applying "build it, run it" mentality—you aren't just writing code; Crafting seamless user experiences by integrating our robust backend APIs with high-quality, maintainable frontends in Type Script and React.
Driving improvements in our development practices, testing standards, and CI/CD pipelines to keep our team velocity high and our systems healthy. For frontend components, you will maintain high standards using tools like Vitest and Playwright. Our Tech ToolboxWe believe in picking the right tool for the job. Our core environment is built on modern technologies, including: Backend: Java, Spring Boot, Golang, pythonFrontend: Next Js, React, Type ScriptInfrastructure & Messaging: AWS, Kafka,



Cloud Formation, Kubernetes How We Work Autonomy: We operate in a highly autonomous, cross-functional environment where teams own their services end-to-end.
Methodology: We follow Agile methodologies with a focus on code quality, pair programming, and CI/CD best practices.
Balance: We work in a hybrid configuration that values flexibility, deep focus time, and collaborative problem-solving. Job responsibilitiesWho You Are Architectural Mindset: You have proven experience building systems at scale (load balancing, service discovery, dynamic routing, circuit breakers). Owner's Mentality: You seek out challenges, take the lead on troubleshooting complex production issues, and are proactive in proposing long-term technical solutions.
Tech Stack: You have strong experience in Java/Go, and you are comfortable balancing that deep backend work with frontend execution using React/Type Script. Flexibility 26 business days of paid annual holidays20 days "work from anywhere"Flexible working time (hybrid)Paid additional parental leave for both parentsExtra paid days off for special occasions (e.
G. your wedding or a move) Wellbeing & Support Private health insuranceGym Pass (may cover up to 70% of gym membership fees)40€ per month as a remote working allowance. Growth & Development Personal development budgetLearning opportunities to grow your skills and careerA unique position in an international and dynamic environmentA flat, collaborative culture where your feedback actively shapes our processes Perks & Everyday Benefits Competitive compensation package (Base salary + annual bonus)Adaptable Remuneration Program (tax-efficient options for transport, restaurant vouchers and childcare)Corporate benefits and exclusive discountsAn attractive referral program Kleinanzeigen is an equal opportunity employer that values diversity and inclusion. If this role sparks your interest but you're not sure you meet every single requirement, we'd still love to hear from you anyway #

📌 Fullstack Developer (España)
🏢 Kleinanzeigen
📍 España