Aliaksandr Korsak
@aliaksandrkorsak
I lead hands-on frontend teams building React and TypeScript SaaS products for regulated enterprise environments.
PolandWhat I'm looking for
I've spent the last several years at ALPEIN Software SWISS AG building and leading frontend delivery for PassSecurium™, a commercial B2B SaaS product used by enterprise clients across Germany and Switzerland.
As Team Lead, I set frontend technical direction while staying hands-on in the codebase. I own code review, coding standards, technical specifications, sprint planning, release readiness, and developer mentoring.
I've built and maintained React and TypeScript component libraries, browser extension frontends, and state-management foundations with Redux, Zustand, and TanStack Query. I also migrated build and test tooling to Vite and Vitest, with key flows covered by Jest and Cypress.
Earlier, I delivered React and Vue.js platforms for German clients, built banking SPAs and an in-house CRM, and worked with React alongside Twig templates on PHP backends. I'm comfortable taking frontend work from specification through release in regulated, security-focused environments.
Experience
Work history, roles, and key accomplishments
Led frontend development and technical direction for the product team, remaining hands-on in the codebase.
- Owned code review, coding standards, and technical specifications for new features
- Ran sprint planning, daily stand-ups, and release readiness for the team
- Mentored developers and coordinated delivery with backend, QA, and mobile engineers
Frontend Team Lead
ALPEIN Software SWISS AG
Jan 2024 - Jun 2026 (2 years 5 months)
Led frontend development and owned technical direction for the product team while remaining hands-on in the codebase. Drove architecture and scalability decisions for the SPA, including route-based code-splitting and an extensible key/record template system.
Frontend Engineer / Team Lead
ALPEIN Software SWISS AG
Aug 2019 - Jun 2026 (6 years 10 months)
Led frontend development and owned technical direction for the product team while remaining hands-on in the codebase. Drove architecture and scalability decisions for the SPA, including route-based code-splitting and an extensible key/record template system.
Frontend development in React and TypeScript, from specification through release.
- Built and maintained component libraries, browser extension frontends, and core state management (Redux, Zustand, TanStack Query)
- Migrated build and test tooling to Vite and Vitest; covered key flows with Jest and Cypress
Delivered client-facing web platforms in React and Vue.js for German clients, integrated into TYPO3-based architectures.
Developed single-page applications for banking systems with React and Redux, within a regulated financial domain.
- Built an in-house CRM system from the ground up
- Worked across a hybrid architecture, integrating React with server-rendered Twig templates on a PHP backend
Education
Degrees, certifications, and relevant coursework
Institute of Entrepreneurial Activity
Bachelor's Degree, Economics and Enterprise Management
2011 - 2017
Institute of Entrepreneurial Activity
Degree, Economics and Enterprise Management
2011 - 2017
Degree in Economics and Enterprise Management from the Institute of Entrepreneurial Activity in Minsk, Belarus, from 2011 to 2017.
Tech stack
Software and tools used professionally
Availability
Location
PolandAuthorized to work in
Social media
Job categories
Skills
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