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Senior/Principal Golang Developer

Sigma Software · Remote, Masovian Voivodeship, Poland

Software DevelopmentRemoteExternal listingfull-timeabout 1 hour ago

About The Role

  • Design, develop, and maintain high-performance backend services in Golang
  • Build and optimize distributed systems processing trillions of prediction requests daily
  • Collaborate with data scientists, malware analysts, researchers, and product managers
  • Improve system scalability, reliability, latency, and cost efficiency
  • Develop, test, review, deploy, and maintain software across multiple environments
  • Ensure software quality through clean architecture and engineering best practices
  • Contribute to backlog prioritization and technical planning
  • Deploy and support services in Kubernetes environments
  • Investigate fraudulent activities and develop new fraud prevention approaches
  • Drive engineering excellence within a collaborative product-oriented team
  • Strong commercial experience with Golang and backend engineering
  • Strong Computer Science fundamentals including algorithms, data structures, concurrency, and system design
  • Proven experience with high-load distributed systems
  • Experience with performance tuning, latency optimization, and memory management
  • Hands-on experience with Kubernetes, Terraform, and Helm Charts
  • Good understanding of DevOps practices and cloud-native deployments
  • Experience with SQL databases and large-scale data processing
  • Experience working with AI tools, LLMs, or agent-based systems
  • Product-oriented mindset and ability to align technical solutions with business goals
  • Experience across the full software development lifecycle
  • Ability to design stable, maintainable, and scalable architectures
  • Strong communication and problem-solving skills
  • Upper-Intermediate English level or higher
  • 5+ years of commercial software development experience

WILL BE A PLUS

  • Experience with Apache Airflow
  • Experience with Python
  • Experience with Snowflake
  • Experience in the AdTech domain
  • Experience with C++

PERSONAL PROFILE

  • Strong analytical and problem-solving mindset
  • Ownership mentality and proactive approach
  • Ability to work effectively in a cross-functional environment
  • Passion for scalable and high-quality systems
  • Ability to balance technical excellence with business priorities
  • Comfortable working in a fast-paced product environment

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