> Markdown version of [/jobs/ext/1686796-backend-engineer](https://www.wearedevelopers.com/jobs/ext/1686796-backend-engineer). 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). --- # Backend Engineer - **Company:** Superbet - **Location:** Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Airflow, Apache Lucene, Distributed Systems, Elasticsearch, Python (Programming Language), Performance Tuning, Search Technologies, Data Streaming, Datadog, Grafana, Apache Spark, Caching, Backend, Kotlin, Information Technology, Apache Flink, Integration Frameworks, Apache Kafka, Data Management, Api Design, Elixir, Golang, Microservices - **Published:** July 12, 2026 - **Apply:** https://es.trabajo.org/oferta-5354-064f45f71bca9d9d5873694ee93dbf99 ## About the Role backend engineering experience (preferably in distributed systems, data platforms, or search domains). - Deep knowledge of one or more backend languages (Python, Kotlin, Java, Go, Elixir) and proficiency in API design and microservice architecture. - Experience with search technologies (OpenSearch, Elasticsearch, Lucene, or vector databases such as Pinecone or FAISS). - Familiarity with indexing pipelines, ranking models, embeddings, or relevance tuning. - Hands-on experience with streaming and data processing frameworks (Kafka, Spark, Flink, Airflow, etc.). - Solid understanding of scalability, caching, and performance optimization in high-traffic systems. - Experience integrating backend services into CI/CD pipelines and monitoring via Datadog, Grafana, or similar tools. - Strong communication, collaboration, and the ability to work effectively in cross-functional teams. - Bachelor's or Master's degree in Computer Science or a related field. Bonus points ## Description mobile, internal tools) with low-latency, high-availability performance. - Drive the technical direction for Search - influencing architecture, observability, scalability, and cost efficiency. - Contribute to a shared Search platform that other verticals (Sports, Casino, etc.) can extend and build upon. - Mentor engineers across the Explore tribe, raising the bar for backend design and operational excellence. Why this role matters - Search is one of Superbet's most strategic growth levers - driving discovery, engagement, and conversion across all experiences. - You'll shape the core architecture and evolution of a multi-tenant search platform serving millions of players. - You'll have significant technical ownership and leadership visibility, collaborating directly with senior engineers, data scientists, and product leaders. - You'll be part of a team building the foundations for personalized, context-aware, and experimentation-driven search. We are looking for - 6+ years of ## Related Videos - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Bringing digital education to refugee and host communities in remote regions of Africa](https://www.wearedevelopers.com/videos/644-bringing-digital-education-to-refugee-and-host-communities-in-remote-regions-of-africa) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) ## Related Articles - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)