Web product development
End-to-end features for web applications: interfaces, APIs, databases, subscriptions, and booking flows.
Oleksandr Vasyliev · Bratislava, Slovakia
Full-stack developer
I help product teams build web applications, integrate services, and improve existing systems — from frontend to backend.
TypeScript · React · Node.js · NestJS · PostgreSQL
Services
Integrations & automation
Connect APIs and third-party tools, automate recurring tasks, and reduce manual work.
Existing product improvements
Improve frontend performance, modernise legacy code, and make applications easier to maintain.
Selected experience
NDA
Software Engineer · 2025–present
Developing membership, booking, and payout features for a social fitness marketplace using React, NestJS, and PostgreSQL.
Poster POS
Software Engineer · 2023–2025
Worked on QR menus, payments, and reviews. Helped modernise the platform and automate customer communications with HubSpot.
Insiders
Full-stack Developer · 2021–2023
Delivered features, dashboards, and admin panels for international projects across logistics, social networking, finance, and CRM.
About
I’m a full-stack developer based in Bratislava, with around five years of commercial experience.
I work from product requirements through implementation, connecting frontend, backend, and third-party services. My background includes SaaS, hospitality technology, and marketplace products.
Let’s talk
Have a project, a technical challenge, or a role in mind? Get in touch.
vasyliev.oleksandr@icloud.com