melnykdenys
I Os Engineer
iOS Developer with 4+ years of experience building production-grade apps across healthtech, edtech, IoT and creative domains. Delivered end-to-end features in solo and team settings, with strong ownership of architecture (MVVM/MVVM-C), reactive UI (Combine), network communication (REST/GraphQL) and scalable UI (Auto Layout, programmatic). Skilled in building performant, maintainable codebases with CI/CD, local persistence (CoreData) and intuitive UX across screen sizes.
Experience: 4 years
Yearly salary: $48,000
Hourly rate: $25
Nationality: 🇺🇦 Ukraine
Residency: 🇵🇱 Poland
Experience
iOS Developer
Digifico GmbH 2023 - 2024
Sole iOS developer responsible for the full-cycle development of a mobile art guide app, designed to enhance museum experiences through visual recognition and multilingual audio narration. The app targeted tourists, independent museum-goers and art enthusiasts seeking self-guided tours with contextual content.
iOS Developer
Deviark 2022 - 2023
Worked on several cross-domain iOS applications including food recognition, IoT hydration tracking, social media and weather apps. Delivered robust, scalable codebases under tight deadlines — both as a solo developer and within small teams. Applied architectural best practices (MVC/MVVM), focused on user-centric interfaces, performance and stability.
iOS Developer
Freelance 2021 - 2022
Worked on multiple freelance projects for international clients in education, creativity and utility sectors. Operated independently as the sole iOS developer — responsible for complete app development cycles, including architecture, coding, testing, deployment and client communication.
Skills
firebase
laravel
swift
ios
english
russian
ukrainian