As CTO & co-founder I set the technical vision for a Data-Driven Decision Support System (predictive ML + Human-in-the-Loop) and build the team to develop and roll it out.

• Built and lead a team of 10 across development and rollouts, establishing engineering processes and culture from zero.
• Designed the DSS architecture with predictive ML models and Human-in-the-Loop feedback, taking the product from concept to a working solution.

Senior backend developer at a corporate group: centralized development and owned reliable internal systems under load.

• Built multiple high-load systems — a super-app and internal platforms — consolidating several systems into one reliable product for the whole group.
• Created a unified development & deployment platform — DevOps and CI/CD from scratch — speeding up delivery across teams.

Full-stack engineering at one of Kazakhstan's largest industrial groups (UKTMP INTERNATIONAL LIMITED) — internal systems, cross-system integrations, and R&D infrastructure.

• Supported and troubleshot multiple internal corporate systems — monitored performance, ran user support and authored technical documentation.
• Designed custom integration modules and APIs for inter-system communication; optimized data flows and error handling.

Service-marketplace startup at the business-hypothesis-validation stage. Built MVP across three coupled clients sharing one backend.

• Architected MVP for Clients · Operators · Masters on a single API surface.
• Owned infrastructure: GitLab CI/CD, Vercel, monitoring scaffolding.