At Fastserver.kz and Sadi.kz, I own the product lifecycle for a B2B server-hardware website and a construction e-commerce platform. I built customer-facing React interfaces and improved Core Web Vitals by 25% through performance profiling, code-splitting, and rendering optimizations.
I also created reusable, accessible UI components and set up Playwright end-to-end testing in GitLab CI/CD. As sole technical lead, I shaped the architecture and practices, and designed a Node.js backend and API.
At Choco Holding, I worked on ChocoFood and internal tools, including Raketa. I built a custom courier-tracking map that improved customer satisfaction by 40%, and a self-service banner tool that increased main-screen conversion by 30%.
At Kaspi.kz, I built a real-time monitoring dashboard for 200K+ banking devices, reducing downtime by 20%. Earlier, I launched a QR-based grocery purchasing platform at Arcana Inc. from MVP to production, and contributed to the AWS OpenSearch project, where I mentored contributors and spoke at an international conference.
