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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Golang Developer (O Chazo) - **Company:** Talent Group - **Location:** Spain - **Contract:** Permanent contract - **Skills:** Amazon S3, Big Data, Shard (Database Architecture), Linux, Elasticsearch, PostgreSQL, Message Broker, RabbitMQ, Redis, Prometheus, Standard Sql, Systems Integration, Grafana, Backend, Apache Kafka, Software Coding, Golang - **Published:** August 6, 2026 - **Apply:** https://www.buscojobs.com.es/senior-golang-developer-o-chazo-en-espana-ID-365630069 ## About the Role maintaining internal platforms used across teamsThe scope is broad - engineers are free to rotate between task types and product areas depending on interest and team needs.This role is perfect for you if:5+ years of professional experience with Golang; other languages is a plusStrong sense of ownership and a product mindsetSolid knowledge of SQL and experience with PostgreSQL or similarComfort working in Linux environmentsExperience developing production-grade systems and APIsEnglish at upper-intermediate level or higher - we work in an international team and use English in documentation and daily communicationWhat else we appreciate in our team:Experience with Elasticsearch, Prometheus, Grafana, S3, or CassandraExperience with Redis or similar in-memory storageFamiliarity with message brokers (RabbitMQ, Kafka, NATS)Working on high-load or distributed systemsObservability skills (metrics, logs, alerts, traces) #J-*****-Ljbffr ## Description At Group-IB, we build high-load backend services that power our products in fraud protection, threat intelligence, and digital risk prevention.Our engineering teams work on complex, data-heavy systems that collect, process, and serve large volumes of data in real time to help customers prevent and investigate cyber incidents.We don't believe in siloed responsibilities - developers own their features end-to-end: from clarifying requirements and writing code with tests to deploying it, monitoring performance, and maintaining it in production.We're looking for a strong backend engineer who enjoys solving engineering challenges at scale and is ready to take full ownership of their work.Tech stack:Golang (primary language)PostgreSQL, Redis, Elasticsearch, CassandraRabbitMQ, Kafka, NATSgRPCKubernetesS3-compatible object storageTasks to solve:Designing and implementing new product features and APIsBuilding integrations with third-party data sourcesIncreasing the share of Golang servicesImproving performance and scalability (query optimizations, sharding, etc.)Integrating services across the Group-IB product ecosystemDeveloping and maintaining internal platforms used across teamsThe scope is broad - engineers are free to rotate between task types and product areas depending on interest and team needs.This role is perfect for you if:5+ years of professional experience with Golang; other languages is a plusStrong sense of ownership and a product mindsetSolid knowledge of SQL and experience with PostgreSQL or similarComfort working in Linux environmentsExperience developing production-grade systems and APIsEnglish at upper-intermediate level or higher - we work in an international team and use English in documentation and daily communicationWhat else we appreciate in our team:Experience with Elasticsearch, Prometheus, Grafana, S3, or CassandraExperience with Redis or similar in-memory storageFamiliarity with message brokers (RabbitMQ, Kafka, NATS)Working on high-load or distributed systemsObservability skills (metrics, logs, alerts, traces)#J-*****-Ljbffr ## Related Videos - [The user in the eye of the Cargo1492 storm](https://www.wearedevelopers.com/videos/96-the-user-in-the-eye-of-the-cargo1492-storm) - [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) - [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) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) - [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 - [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) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023)