Software that ships faster, built to last
Rosastech is a software engineering studio based in Wrocław, Poland. We combine solid architecture with AI-assisted delivery, so product teams get production-grade code in less time.
What we do
Frontend architecture
React, Next.js and TypeScript architecture for B2B and e-commerce products: design systems, multi-tenant platforms and the quality gates that keep them healthy.
Legacy migrations
Moving aging frontends to modern stacks without stopping the business, with measurable gains in performance and Core Web Vitals.
Applied AI & automation
AI built into the delivery process and into the product: faster iterations, automated workflows and AI features that reach production.
Selected work
BSH Home Appliances (via Adesso)
Top contributor to the cross-channel sales app used by in-store, call-center and field agents, plus checkout features for the direct-to-consumer storefront.
Multi-tenant B2B platform
Frontend architect for a product company's new platform: routing, data layer and a design-token pipeline.
passthecert.com
An AI-powered exam-prep SaaS, designed, built and run end to end.
Founded and led by Isai Albarran, senior frontend engineer and architect with 8 years of experience.
How we work
AI-assisted, human-reviewed
Claude Code and Cursor speed up the work; every change still goes through pull-request review and tests.
B2B, fully remote
B2B contracts from our Polish company, working with teams across Europe and the UK.
Clear scope
Ongoing contracts or fixed-price projects that start with a short paid diagnostic.