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Mechyslav LosovskyiML
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Mechyslav Losovskyi

@mechyslavlosovskyi

I build scalable React and TypeScript web apps as a mid-level engineer.

Ukraine
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What I'm looking for

I’m looking for a role where I build scalable React/Next.js apps, optimize performance, and own reliable API integrations—ideally in FinTech or data-driven marketing products—with opportunities to grow as a front-end or full-stack engineer.

I’m a Software Engineer with 3+ years of experience building scalable web applications using React, Next.js, and TypeScript. I’ve contributed in FinTech and Marketing settings, with a strong focus on performance optimization and seamless API integration.

At Igluu (Prague, Czechia, Remote), I led the front-end implementation of Digihypo—a digital mortgage flow for a Tier-1 Czech bank—by engineering complex multi-step forms that streamlined the application process for end-users. I also implemented robust integrations with third-party financial APIs, handling data validation, error states, and secure data transmission with TypeScript, while building reusable, strongly typed components for maintainability and scalability.

Previously at Genesis (Kyiv, Ukraine), I designed and built internal design/marketing tools from scratch using Node.js, React, and SurrealDB, automating previously manual workflows to improve marketing efficiency. I integrated advanced analytics tracking so teams could monitor user behavior, funnel drop-offs, and campaign performance, and I used Cypress and Jest to deliver reliable end-to-end and unit testing for critical features.

Experience

Work history, roles, and key accomplishments

GE

Full-Stack Developer

Genesis

Dec 2021 - Jan 2024 (2 years 1 month)

Designed and built custom internal design/marketing tools from scratch using Node.js and React, automating previously manual processes to improve marketing efficiency. Integrated analytics tracking to monitor user behavior and funnel drop-offs, and ensured quality using Cypress and Jest for end-to-end and unit testing.

Education

Degrees, certifications, and relevant coursework

Kyiv National University of Construction and Architecture logoKA

Kyiv National University of Construction and Architecture

Bachelor, Computer Engineering

2021 - 2024

Earned a Bachelor degree in computer engineering. Built undergraduate knowledge across computer engineering fundamentals.

BL

Berdychiv College of Industry, Economics and Law

Junior Specialist, Software engineering

2019 - 2021

Completed a Junior Specialist program in software engineering. Focused on foundational software engineering and related technical coursework.

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