> Markdown version of [/jobs/ext/387097-senior-software-engineer-lounge-discover-all-genders](https://www.wearedevelopers.com/jobs/ext/387097-senior-software-engineer-lounge-discover-all-genders). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - Lounge Discover (all genders) - **Company:** Zalando SE - **Location:** Berlin, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Code Review, Databases, Distributed Systems, Amazon DynamoDB, Elasticsearch, PostgreSQL, NoSQL, Systems Development Life Cycle, Redis, Search Technologies, Software Engineering, Usage Analysis, Application Enhancement Tool, Caching, Backend, Low Latency, Front End Software Development, Api Design, Microservices - **Published:** June 11, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=a65f06290bc09020 ## About the Role Do you have experience in SDLC?, * Backend Expertise: You have extensive professional experience with Java and building distributed systems at scale. * Search & Data Specialist: You are proficient with Elasticsearch and have hands-on experience with both NoSQL (DynamoDB) and Relational (PostgreSQL) databases. * Architecture Mindset: You are comfortable writing detailed architecture proposals and mentoring more junior engineers through code reviews and design feedback. * Product Thinker: You don't just "build to spec"-you take an active interest in Product and user behavior to help shape the roadmap. * Team Player: You actively drive alignment across teams and challenge decisions constructively. * Reliability Driven: You understand the importance of system health and are willing to contribute to our voluntary on-call rotation to keep the Lounge running smoothly. ## Description The Lounge Discover squad is the gateway to Lounge customer experience. As a cross-functional team, we are responsible for building the client-facing applications and the high-performance APIs that power them. Our mission is simple but ambitious: to make our vast fashion and lifestyle catalog effortlessly navigable. We focus on discoverability and search, ensuring that every user finds their next favorite item with ease., As a Senior Backend Software Engineer, You will act as a technical owner for key discovery services, driving architecture decisions and leading complex initiatives from design to production Your work directly impacts how millions of users discover products and drives key business metrics such as engagement and conversion. You will collaborate closely with Product Managers, Designers, and Frontend Engineers to turn complex discovery challenges into elegant, scalable backend solutions., * Architect & Design: Lead the creation of Technical Design Documents (TDD) and define robust architectures that support high-traffic discovery features and complex catalog structures. * Collaborate Cross-Functionally: Work daily with Product Managers, Product Analytics, Designers, and Frontend Engineers to translate business requirements into technical reality. * Build & Scale: Develop and maintain high-availability APIs and microservices using Java, ensuring they are performant and resilient. * Embrace an AI-first development approach, utilizing AI-powered tools to enhance efficiency and accelerate innovation in our discovery features. * Optimize Search: Design and optimize search systems (e.g. Elasticsearch, vector search), balancing relevance, latency, and scalability. * Tackle complex discovery challenges such as real-time catalog updates, search relevance optimization, and high-throughput API design at scale. * Manage Data: Design and optimize data models across a diverse stack including PostgreSQL, DynamoDB, and caching layers like Redis (Valkey). * Operational Excellence: Take ownership of the full software development lifecycle, including a voluntary 24/7 on-call rotation to ensure our customers have a seamless experience around the clock. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) ## Related Articles - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)