> Markdown version of [/jobs/ext/2921298-senior-golang-developer](https://www.wearedevelopers.com/jobs/ext/2921298-senior-golang-developer). 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 Golang Developer - **Company:** Talent Group - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon S3, Big Data, Shard (Database Architecture), Linux, Distributed Systems, Elasticsearch, PostgreSQL, Linux System Administration, Message Broker, RabbitMQ, Redis, Prometheus, Standard Sql, Grafana, Backend, Cassandra, Cybercrime, Apache Kafka, Software Coding, Golang - **Published:** September 15, 2026 - **Apply:** https://www.buscojobs.com.es/senior-golang-developer-en-madrid-ID-370724137 ## About the Role 5+ years of professional experience with Golang; other languages is a plus Strong sense of ownership and a product mindset Solid knowledge of SQL and experience with PostgreSQL or similar Comfort working in Linux environments Experience developing production?grade systems and APIs English at upper?intermediate level or higher What Sets You Apart Experience with Elasticsearch, Prometheus, Grafana, S3, or Cassandra Experience with Redis or similar in?memory storage Familiarity with message brokers (RabbitMQ, Kafka, NATS) Working on high?load or distributed systems Observability skills (metrics, logs, alerts, traces) #J-*****-Ljbffr ## Description Founded in **** and headquartered in Singapore, Group?IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.Combating cybercrime is in the company's DNA, shaping its technological capabilities to defend businesses, citizens, and support law enforcement operations.Group?IB's Digital Crime Resistance Centers (DCRCs) are located in the Middle East, Europe, Central Asia, and Asia?Pacific to help critically analyze and promptly mitigate regional and country?specific threats.These mission?critical units help Group?IB strengthen its contribution to global cybercrime prevention and continually expand its threat?hunting capabilities.About The RoleAt 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.YOUR MISSIONDesign and implement new product features and APIsBuild integrations with third?party data sourcesIncrease the share of Golang servicesImprove performance and scalability (query optimizations, sharding, etc.)Integrate services across the Group?IB product ecosystemDevelop and maintain internal platforms used across teamsWhat We Are Looking For5+ 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 higherWhat Sets You ApartExperience 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 - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [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) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [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) - [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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)