Oleg

Oleh Oliinyk
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
Location: Ukraine (open to remote)
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Senior Frontend Developer (Angular) | 9+ years experience
Senior Frontend Developer with 9+ years of experience in building scalable web applications. Specialized in Angular, TypeScript, and RxJS. Strong background in full-cycle development, including architecture, performance optimization, and collaboration with backend teams. Experience working on enterprise-level products and long-term projects.
Technical Skills
Frontend: Angular (2–17+), TypeScript, RxJS, Angular Material, HTML5, CSS3, SCSS
Additional: REST API, JSON, XML, Webpack/Gulp
Backend (basic): Node.js, PHP
Databases: SQL
Tools: Git
Legacy: AngularJS, jQuery, Kohana
Professional Experience
Frontend Developer (Angular) – Tietoevry Create Ukraine (Deloitte HDS Magnet)
Feb 2024 – Present
- Developed and maintained a large-scale Angular application
- Built reusable UI components using Angular and TypeScript
- Integrated REST APIs and handled complex data flows
- Collaborated with backend developers and designers
- Improved application structure and maintainability
Frontend Developer (Angular) – Infopulse (Support Portal)
Feb 2018 – Present
- Developed and supported enterprise web application
- Implemented new features using Angular and RxJS
- Refactored legacy code and improved code quality
- Worked with large forms, data tables, and API integrations
- Participated in long-term product development
Full Stack Developer – Davintoo Ukraine (Collaborator)
Sep 2015 – 2018
- Designed and developed both frontend and backend parts
- Built Angular-based UI and PHP backend
- Designed database structure
- Implemented core modules independently
Web Developer – IT Academy Projects
2015
- Developed full e-commerce project (PHP, JS, SQL)
- Built advertisement platform for posting/searching ads
Education
Vinnytsia National Technical University — Bachelor’s Degree (Engineering), 2000 – 2005
Vinnitsa IT Academy, 2014 – 2015
Languages
Ukrainian — Native
Russian — Native
English — B2
Additional Info
Strong problem-solving skills
Fast learner, able to work independently
Focused on clean and maintainable code