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Denis KolibanDK
Open to opportunities

Denis Koliban

@denys_koliban

I build scalable Angular payment platforms and low-code/no-code solutions, streamlining PSP integrations and multi-tenant frontend architecture.

Poland
Message

I’m a Senior Frontend Engineer specializing in Angular, TypeScript, and frontend architecture, with 6+ years of experience building scalable production applications.

At Spribe, I work on a large multi-tenant platform, focusing on Angular, NgRx, Nx, architecture, performance, and payment integrations. I’ve delivered around 20 end-to-end payment provider integrations and helped reduce new operator onboarding time by approximately 67%.

I enjoy solving complex technical problems, improving frontend architecture, and taking ownership of features from design and planning through production. I also have experience with React, Playwright, API integrations, and AI-assisted development tools.

I’m looking for a senior role where I can contribute to technical decisions, build high-quality products, and collaborate closely with product, design, and backend teams. I’m based in Poland and open to fully remote opportunities across Europe.

Experience

Work history, roles, and key accomplishments

Creatio logoCR

Senior Frontend Developer

Oct 2023 - Jul 2025 (1 year 9 months)

Improved load time by over 40% across critical product components through frontend performance optimization. Developed core functionality in a large-scale Angular codebase on an Nx monorepo, implementing WCAG accessibility and strengthening reliability with Jest and E2E testing.

ND

Frontend Developer

Norse Digital

Sep 2021 - Oct 2023 (2 years 1 month)

Led development of a React-based product in a team of 6, modernizing legacy code and introducing Auth0 and RTK Query. Contributed to an Angular administration platform by restructuring the Nx monorepo and upgrading Angular from 6 to 12.

BA

Frontend Developer

Bandapixels

Sep 2020 - Sep 2021 (1 year)

Built responsive Angular and React single-page applications and reusable UI components across 4 client projects, integrating REST APIs and delivering production-ready interfaces from Figma designs.

Education

Degrees, certifications, and relevant coursework

Denis hasn't added their education

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