3S holding OÜ

3S holding OÜ offers organizations custom enterprise software development: multi-tenant SaaS platforms, service-oriented and microservices-based backends, public and partner-facing API interfaces, and event-driven processing. Development includes automated tests and CI pipelines.
Strategic IT and cloud architecture consulting, cloud migration assessments, infrastructure-as-code solutions, the design of CI/CD and observability solutions, and cybersecurity integration are also offered. Services include identity and access models, secrets management, encryption, a secure development lifecycle, and implementation of GDPR technical measures. Legacy systems are also modernized, and high-load applications and databases are optimized.
The listing is based on publicly available business data.