go developer for fraud prevention

Sigma Software develops software solutions, while the customer is a global cybersecurity company delivering advanced protection for individuals, organizations, and digital ecosystems. The project provides a real-time risk assessment platform for digital advertising, identifying invalid, fraudulent, or low-quality traffic before advertising budgets are spent.

• 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;
• 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;
• Nice to have: Experience with Apache Airflow, Python, Snowflake, the AdTech domain, and C++.

• Work format and location are flexible depending on preferences and project needs.