Hello, I'm Andrii Uhryn. I'm a Senior Software Engineer with 8 years of experience.

Software Engineer at Booking.com

Amsterdam, Netherlands (Hybrid)

Booking.com is all about the journey, helping you explore new challenges in a place where you can be your best self, with plenty of exciting twists, turns, and opportunities along the way.

• Led the rewriting process of the Content Moderation internal tool, processing over 1 million daily items.

Senior Software Engineer at Elsevier

Amsterdam, Netherlands (Hybrid)

Elsevier is a global leader in information and analytics. I led and finalized the React migration of Expert Lookup. I was promoted to the core product SciVal and collaborated with the Principal and Staff Engineers to design and scope the work for the Next.js migration.

• Led and finalized the refactoring and sped up the development of new functionalities by 15x utilizing shared components.
• Introduced End-to-end Cypress tests and reduced production issues by 30%.
• Developed components for a shared library utilized by 10 projects within the company.
• Supported an old legacy Java JSP, jQuery codebase utilized by nearly 1 million users.

Founder and CTO at Fish Places

Uzhhorod, Ukraine (Remote)

Fish Places is a startup, social networking app, that was created and developed by me. Its main idea is to allow fisherman to share their best locations with friends.

• Designed and led the development and implementation of the technical architecture.
• Ensured the security, scalability, and reliability of the technology infrastructure.

Senior Software Engineer at Solargrowth

Madrid, Spain (Remote)

Solargrowth is a solar panels tech startup. I developed and launched a platform for automatic solar panel placement and installation calculations, supporting all countries with lidar building data scans. Led direct communication with a client and other stakeholders.

• Designed and developed the Solargrowth project from scratch.
• Created a visualization tool based on Google Maps. Users could select their address and see an automated panel placement.
• Created a multilanguage and multiregion system that led to an 80% increase in new clients.

Senior Software Engineer at Crunch

Lviv, Ukraine (Remote)

Crunch is an outsourcing company that develops software products for clients across Europe, the US, and Canada. I led the front-end rebuild for AccountFlow, a Norway-based fintech company. I developed 13 mobile applications for CampusConnect, a bespoke social networking solution for leading schools and universities.

• Created a customized React Table component, reducing development time by 10x.
• Provided mentorship to a junior team member and contributed to his promotion to a middle-level position within 6 months.
• Created a Chat functionality that handles one-to-one and group chats with attachments (photos, documents).
• Created a Notification system utilizing Apple Push Notifications, Firebase Cloud Messaging, and email service (SendGrid).

Software Engineer at SharpMinds

Uzhhorod, Ukraine (On-site)

SharpMinds is an IT company based in Amersfoort. I designed and developed GalleryViewer for a Netherland-based media company (100k monthly active users, average Google Search position 7) and GoodWeekZZP (50k monthly active users).

• Developed a shared React components library used across 2 projects, increasing the development speed by 2x.

Software Engineer at AZinec LLC

Uzhhorod, Ukraine (On-site)

AZinec LLC is an outsourcing company that develops software products for clients all over Europe. Some of the biggest clients are Lufthansa Systems, Terracycle, and Statzup.

• Introduced React and test-driven development, achieving 85%+ code coverage.
• Improved the development pipeline, decreasing build time by 20x (from 30s to 1.5s).
• Introduced a new functionality that increased the application's monthly active users by 10%.

Junior Software Engineer at THINKMOBILES

Uzhhorod, Ukraine (On-site)

ThinkMobiles is a leading b2b platform for 50,000+ Software products and IT development companies all over Europe.

• Developed new features for the Race official website (100k monthly visitors)

Studied at Yaroslav Mudryi National Law University

Kharkiv, Ukraine

Master’s Degree, Law