We are looking for a Senior Golang Backend Engineer to join our team developing cutting-edge technological solutions for the MilTech domain. You will work on building secure, scalable, and high-performance backend systems for products handling mission-critical data, used in environments with strict requirements for reliability, security, and performance.
This role involves designing distributed architectures, developing secure services, and contributing to systems that directly impact defense and security technologies.
- Design and develop backend components within a secure DSC environment.
- Implement APIs for seamless interaction with other system components.
- Develop business logic, state models, event processing, and logging mechanisms.
- Work with MS SQL Server, optimize queries, and ensure data integrity.
- Integrate with related systems and services.
- Participate in technical design, task estimation, and code reviews.
- Troubleshoot and fix defects identified during testing, security audits, and acceptance phases.
- 5+ years of commercial Golang development experience.
- Proven experience in designing and developing backend services, REST/gRPC APIs, and system integrations.
- Strong expertise with MS SQL Server: schema design, transactions, indexes, stored procedures, query optimization.
- Experience with Docker, CI/CD pipelines, Git, and Linux environments.
- Solid understanding of secure development principles: authorization, authentication, access control, audit, API protection.
- Background in microservices or modular architecture.
- Ability to write maintainable, well-documented, and tested code.
- Experience participating in code reviews and technical design sessions.
- Willingness to work within secure infrastructure and comply with strict information security protocols.
Nice-to-have
- Experience developing government information systems or highly secure platforms.
- Knowledge of digital signature (КЕП), user action logging, audit trail.
- Experience integrating systems across isolated or protected environments.
- MS SQL Server experience in production environments.
- Understanding of Kubernetes, message brokers, and event-driven architecture.
- Experience with high-load or mission-critical services.
- Strong security-focused mindset.
Skills Required
- 5+ years of commercial Golang development experience
- Designing and developing backend services and system integrations
- Experience building REST and gRPC APIs
- Strong expertise with MS SQL Server: schema design, transactions, indexes, stored procedures, query optimization
- Experience with Docker
- Experience with CI/CD pipelines
- Proficiency with Git
- Experience working in Linux environments
- Solid understanding of secure development principles (authorization, authentication, access control, audit, API protection)
- Background in microservices or modular architecture
- Ability to write maintainable, well-documented, and tested code
- Experience participating in code reviews and technical design sessions
- Willingness to work within secure infrastructure and comply with strict information security protocols
- Experience developing government information systems or highly secure platforms
- Knowledge of digital signature (КЕП), user action logging, audit trail
- Experience integrating systems across isolated or protected environments
- MS SQL Server experience in production environments
- Understanding of Kubernetes
- Experience with message brokers and event-driven architecture
- Experience with high-load or mission-critical services
What We Do
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters
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