Роман

ROMAN SEMENIUK
Truskavets, UA, UA [відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») in/roman-semeniuk-578825214

SUMMARY
Frontend-focused Full-Stack Engineer with 5+ years of commercial experience building and maintaining modern web applications using
TypeScript, Node.js, React and modern frontend tooling. Currently responsible for designing and delivering new features and frontend
architecture, maintaining code quality, and conducting code reviews. Proven experience collaborating cross-functionally to define
requirements and improve development workflows. Experienced in working with both software and hardware integration projects.

EXPERIENCE
Freelance Developer (Project-based)
Self Employed March 2025 - Present, Remote
• Conducted analysis of existing project to clarify and redefine project requirements.
• Cooperated cross-functionally with UI/UX and backend developers to transform requirements into user flows and system architecture.
• Defined project technical stack to reduce boilerplate and minimize post release support requirements.
• Developed performant, responsive web application based on defined requirements, architecture and tooling.
• Built React Native + Expo app for iOS and Android.
Frontend Developer (Contract, variable hours)
Inspectron AG January 2023 - Present, Remote
• Led development and support of multiple web applications including full rework of legacy system using modern tech stack.
• Collaborated with management to define technical requirements and app architecture.
• Optimized product usability by reviewing UX and user flows with further modernization, resulting in 30-50% reduction in configuration
time.
• Maintained and refactored legacy modules to eliminate unstable behavior, reduce legacy code and improve further maintainability of the app.
• Mentored a trainee developer from onboarding through to independent delivery and deployment of their graduation project.
Software Developer (Contract, part-time (0.5 FTE))
Famfly August 2023 - February 2024, Remote
• Owned the development of key application features during a full product rework.
• Maintained and extended backend APIs to support evolving business requirements.
• Developed and maintained SSR and CSR features, contributing to application performance, SEO, and user experience.
• Collaborated with CTO to translate business requirements into user flows and technical solutions.
• Collaborated with QA and SEO specialists to improve application quality and implement SEO best practices.
Junior Frontend Developer (Contract, variable hours)
Inspectron AG August 2021 - January 2023, Remote
• Developed web applications based on defined requirements.
• Maintained and extended functionality of existing web applications.
• As a junior developer participated in code reviews and manual testing with further bug fixing.
Freelance Developer
Self Employed February 2021 - October 2021, Truskavets, UA
• Developed responsive and animated web pages based on provided designs.
• Transformed design wireframes into functional WordPress pages utilizing CF7, ACF, and multilingual plugins to enhance website capabilities.
• Maintained platform with multiple landing pages and main web app.
• Cooperated with teams of independent developers.
• Refined website accessibility and UI across platforms by implementing WCAG-compliant practices and enhancing cross-browser
compatibility.

PROJECT
DAF Net, Dynamic agroforestry network
December 2025 - Present
• Agroforestry themed forum (web and react native applications) for European and African agroforestry professionals and enthusiasts.
Tennis Challenge, Administration and reservation system for tennis clubs
Inspectron AG • May 2023 - Present
• Multi application system for tennis clubs with main focus on interactive info board designed for smart TVs, touch interactions and real time
data display.
Famfly, Platform for parents, nannies and tutors
Startup • August 2023 - February 2024
• Startup aiming to help parents to find verified and trusted nannies/tutors.
EsBringts, MVP for multi application MPoS PWA system
Inspectron AG • January 2022 - May 2023
• PWA system aimed to help businesses to organize their processes and connect with clients through a client application with points of sale
overview and subscription.
EK Desk, UI for motorized table system
Inspectron AG • August 2021 - December 2021
• User touch interface for controlling motorized tables with real-time time positioning display and position memory functionality.

EDUCATION
Psychology
Drohobych State Pedagogical University • Drohobych, UA • 09/2014 - 12/2019

SKILLS
HTML, CSS, SCSS, JavaScript, TypeScript, jQuery, Bootstrap, Tailwind, shadcn/ui, Responsive Design, BEM, i18n, Core Web Vitals, a11y
React.js, Redux, Redux Toolkit, Next.js, React Bootstrap, React Native, Expo, React Router, TanStack Query, TanStack Router, React Testing
Library, React Leaflet, Sentry
Vue, Nuxt.js
REST, GraphQL, WebSocket, Vite, Git
Node.js, Express.js, Zod, PostgreSQL
Ukrainian (Native)
English (Upper intermediate)