🎯 I'm open to Mid-Level Full-Stack (Next.js/Nest.js) or React Native Engineer roles where I can drive scalability, mentorship, and technical excellence. 🚀 I'm a passionate Full-Stack Engineer with 2+ years of hands-on experience designing and developing web, mobile, and backend applications from the ground up. Beyond coding, I value mentorship, collaboration, and technical leadership — helping teams align on architecture, code quality, and scalable practices that make products maintainable long-term. At Kevych Solutions, I’ve delivered products across Creative Tech, Entertainment & Media, E-commerce, and Healthcare, contributing both as an engineer and mentor. I specialize in building scalable, performant, and secure platforms with a strong focus on architecture, DevOps, and UX consistency. Core Stack: React / Next.js (SSR, SSG), React Native, Node.js / Nest.js, PostgreSQL, AWS — supported by Docker, Firebase, TypeScript, and OpenAPI SDK. 💡 Highlights: • Launched a video course platform reaching 2,000+ users and 700+ paid subscriptions within 6 hours — optimized frontend rendering and payment APIs to support high concurrency. • Led E-commerce migration to Next.js (SSR/SSG) — improved Core Web Vitals and overall performance by 40%, reducing AWS hosting costs by 17% through Docker-based optimization. • Developed and deployed a Canva-like SaaS creative design tool with Node.js backend and VPS infrastructure, ensuring high availability and strong runtime performance. • Built a cross-platform Entertainment & Media product (React/Next.js + React Native + Nest.js), scaling to 50,000+ active users with cloud-native CI/CD and analytics integrations. • Refactored authentication flow in a Healthcare app, improving conversion by 24% through secure session handling and UX optimization. • Mentored 5 interns through pair programming, architecture reviews, and technical guidance — 3 transitioned into full-time roles. **Employment and project experience** **Full-stack Engineer** Kevych Solutions _February 2024 - current_

Yaroslav Dolhushyn

🎯 I'm open to Mid-Level Full-Stack (Next.js/Nest.js) or React Native Engineer roles where I can drive scalability, mentorship, and technical excellence. 🚀 I'm a passionate Full-Stack Engineer with 2+ years of hands-on experience designing and developing web, mobile, and backend applications from the ground up. Beyond coding, I value mentorship, collaboration, and technical leadership — helping teams align on architecture, code quality, and scalable practices that make products maintainable long-term. At Kevych Solutions, I’ve delivered products across Creative Tech, Entertainment & Media, E-commerce, and Healthcare, contributing both as an engineer and mentor. I specialize in building scalable, performant, and secure platforms with a strong focus on architecture, DevOps, and UX consistency. Core Stack: React / Next.js (SSR, SSG), React Native, Node.js / Nest.js, PostgreSQL, AWS — supported by Docker, Firebase, TypeScript, and OpenAPI SDK. 💡 Highlights: • Launched a video course platform reaching 2,000+ users and 700+ paid subscriptions within 6 hours — optimized frontend rendering and payment APIs to support high concurrency. • Led E-commerce migration to Next.js (SSR/SSG) — improved Core Web Vitals and overall performance by 40%, reducing AWS hosting costs by 17% through Docker-based optimization. • Developed and deployed a Canva-like SaaS creative design tool with Node.js backend and VPS infrastructure, ensuring high availability and strong runtime performance. • Built a cross-platform Entertainment & Media product (React/Next.js + React Native + Nest.js), scaling to 50,000+ active users with cloud-native CI/CD and analytics integrations. • Refactored authentication flow in a Healthcare app, improving conversion by 24% through secure session handling and UX optimization. • Mentored 5 interns through pair programming, architecture reviews, and technical guidance — 3 transitioned into full-time roles. **Employment and project experience** **Full-stack Engineer** Kevych Solutions _February 2024 - current_

Available to hire

🎯 I’m open to Mid-Level Full-Stack (Next.js/Nest.js) or React Native Engineer roles where I can drive scalability, mentorship, and technical excellence.

🚀 I’m a passionate Full-Stack Engineer with 2+ years of hands-on experience designing and developing web, mobile, and backend applications from the ground up.

Beyond coding, I value mentorship, collaboration, and technical leadership — helping teams align on architecture, code quality, and scalable practices that make products maintainable long-term.

At Kevych Solutions, I’ve delivered products across Creative Tech, Entertainment & Media, E-commerce, and Healthcare, contributing both as an engineer and mentor. I specialize in building scalable, performant, and secure platforms with a strong focus on architecture, DevOps, and UX consistency.

Core Stack: React / Next.js (SSR, SSG), React Native, Node.js / Nest.js, PostgreSQL, AWS — supported by Docker, Firebase, TypeScript, and OpenAPI SDK.

💡 Highlights:
• Launched a video course platform reaching 2,000+ users and 700+ paid subscriptions within 6 hours — optimized frontend rendering and payment APIs to support high concurrency.
• Led E-commerce migration to Next.js (SSR/SSG) — improved Core Web Vitals and overall performance by 40%, reducing AWS hosting costs by 17% through Docker-based optimization.
• Developed and deployed a Canva-like SaaS creative design tool with Node.js backend and VPS infrastructure, ensuring high availability and strong runtime performance.
• Built a cross-platform Entertainment & Media product (React/Next.js + React Native + Nest.js), scaling to 50,000+ active users with cloud-native CI/CD and analytics integrations.
• Refactored authentication flow in a Healthcare app, improving conversion by 24% through secure session handling and UX optimization.
• Mentored 5 interns through pair programming, architecture reviews, and technical guidance — 3 transitioned into full-time roles.

Employment and project experience

Full-stack Engineer Kevych Solutions
February 2024 - current

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

Ukrainian
Fluent
English
Advanced
Russian
Fluent
German
Beginner
Slovak
Beginner

Work Experience

Full-Stack Engineer at Kevych Solutions
February 1, 2024 - November 4, 2025
Developed a subscription-based video course platform reaching 2,000+ users and 700+ paid subscriptions within 6 hours, generating strong recurring revenue. Migrated an e-commerce platform from React to Next.js, improving performance by 40% and reducing hosting costs by 17% via Docker optimization. Delivered full-stack solutions for an Entertainment & Media platform (React/Next.js, React Native, Nest.js, AWS, CI/CD, analytics), scaling to 50,000+ users in the first year. Implemented API integrations and data pipelines including payments, analytics, and video streaming services; ensured secure and reliable operation under high traffic. Refactored health care platform authentication and onboarding, improving conversion by 24% and boosting engagement. Built and deployed a Canva-like design platform for generating marketing visuals, configured on VPS to meet client requirements. Mentored 5 interns with code reviews, architecture guidance, and pair programming; three received full-time offer

Education

Master of Computer Engineering at Ternopil Ivan Puluj National Technical University
September 1, 2024 - January 1, 2026
Designed and implemented a hardware–software communication gateway enabling seamless data exchange between Modbus TCP and Modbus RTU networks. The project involved embedded system programming, protocol conversion, and performance optimization for industrial automation applications.
Bachelor of Computer Engineering at Ternopil Ivan Puluj National Technical University
September 1, 2022 - June 1, 2024
Junior Specialist of Computer Engineering at Ternopil Professional College of Ternopil National Technical University
September 1, 2018 - June 1, 2022
Artificial Intelligence at Technical University of Košice
September 22, 2022 - January 1, 2023
Studied Intelligent Systems for one semester at the Technical University of Košice, exploring machine learning, automation, and data-driven technologies.

Qualifications

Ultimate AWS Certified Cloud Practitioner (CLF-C02)
February 1, 2025 - November 4, 2025
Frontend-end React JS Web Development Course
January 1, 2024 - November 4, 2025
JavaScript + React from scratch to result
January 1, 2024 - November 4, 2025

Industry Experience

Software & Internet, Media & Entertainment, Healthcare, Education, Professional Services