Aliaksandr Andreyeu

- Led a team of four engineers, reducing time-to-market by 20%
- Automated CI/CD, cutting QA build time from 2 hours to 30 minutes
- Implemented automated testing, reducing manual testing from 8 hours to 2 hours
- Ensured compliance with App Store and Google Play guidelines, reducing rejections to zero over a year
- Introduced feature flags and A/B testing, accelerating hypothesis validation

- Optimized code, reducing page load times by 50%, reducing production bugs by 30%
- Implemented OpenTelemetry and logging, shortening incident diagnosis from 1 hour to 15 minutes
- Set up CI/CD, reducing deployment time and manual deployment risks
- Integrated web applications with CRM, streamlining customer data processing
- Developed gamified apps, increasing contact collection at conferences

- Implemented data caching with Redux Toolkit, speeding up screen load times
- Integrated Sentry and Firebase Crashlytics, increasing the crash-free rate from 72% to 98.7%
- Increased test coverage from 20% to 100%, reducing regression bugs
- Configured build delivery via App Center, accelerating delivery of apps to QA
- Implemented end-to-end release processes, launching two apps on app stores

- Implemented lazy loading, reducing the dashboard load time by 40%.
- Built a UI library with PrimeVue and Storybook, cutting UI implementation time by 30%.
- Integrated ACL and role-based access, simplifying workflows for operators and admins
- Developed a visual ACL management interface, eliminating the need to manually edit JSON.
- Built an interactive roadmap, improving project management UX.

- Built the cryptocurrency exchange frontend from scratch, enabling trading of stocks and pairs.
- Improved application load times, reducing average UI response time.
- Configured build delivery via App Center, speeding up the transfer of builds to QA.
- Integrated Firebase Crashlytics, enhancing mobile app stability.

- Developed a wrapper module for the Emarsys SDK from scratch, cutting integration time.
- Designed an abstraction layer over the iOS and Android SDKs, lowering the entry barrier for React Native developers.
- Built a REST API with NestJS from scratch, delivering a backend with 6 modules and 20+ endpoints.
- Authored an OpenAPI/Swagger specification, reducing client-side development time by 40%.

- Applied memoization and list virtualization, reducing load and render times by 35%.
- Implemented pagination and cache invalidation, lowering RAM usage by 25%.
- Implemented CodePush and over-the-air (OTA) updates, accelerating delivery of updates to users.
- Integrated Firebase Crashlytics, improving mobile app stability.

- Implemented React.lazy and dynamic imports, reducing application load time by 35%.
- Rewrote chat from REST to SSE, eliminating latency and reducing backend load.
- Configured CI/CD for Vue.js, doubling the speed of delivering new features.
- Led a two-person development team, accelerating sprint goal achievement.
- Organized infrastructure and hosting, simplifying deployment of new versions.

- Built the frontend from scratch, launching the entire dashboard.
- Implemented lazy loading to speed up rendering of large data sets.
- Applied asynchronous loading and debounce techniques, reducing load times by 25% and rendering times by 50%.
- Added interactive charts, enhancing data analysis speed by 40%.
- Developed responsive pages, ensuring error-free performance across four browsers.

Studied radio electronics and microelectronics at Belarusian State University of Informatics and Radioelectronics, graduating in 2003.