Senior Golang Developer

Talent Group
Madrid, Spain
6 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience required
5 years minimum
Working hours
Regular working hours
Languages
English

Tech stack

Application Programming Interfaces (APIs) Amazon S3 Big Data Shard (Database Architecture) Linux Distributed Systems Elasticsearch PostgreSQL Linux System Administration Message Broker RabbitMQ Redis
+9 more
Prometheus Standard Sql Grafana Backend Cassandra Cybercrime Apache Kafka Software Coding Golang

Job 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

Requirements

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

About the company

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.

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:08 min

Building solutions with open source GoLang infrastructure tools

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Demonstrating semantic routing thresholds with the Redis vector library

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Running persistent Linux environments directly on Windows

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Hiring passionate software engineers to tackle unprecedented scaling challenges

Dana Lawson Dana Lawson +1 · World Congress 2026 Europe

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Event-driven Golang backend architecture and cloud deployment

Irina Branovic Irina Branovic · World Congress 2026 Europe

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Refactoring a complex legacy monolith into microservices

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