Olha Bilous
Calgary,Canada
Summary
Trilingual Full Stack Developer (English, Ukrainian, Russian) with hands-on experience building responsive, full-cycle web applications using React, Node.js, and SQL. Fast learner with a user-first mindset, capable of improving system efficiency, streamlining internal tools, and enhancing customer experience through clean, scalable code.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Full Stack Developer
Leavoda
Calgary, AB
04.2025 - Current
- Developed full-stack applications with React, Next.js, TypeScript and Node.js, making sure they worked smoothly and were easy to use on different devices.
- Integrated RESTful APIs and Firebase services (authentication, real-time database, and hosting) to build scalable and secure web applications.
- Refactored project structure by introducing Redux Toolkit, simplifying state logic and reducing boilerplate code.
- Collaborated in a team environment using Git for version control, pull requests, and code reviews, while contributing to automated workflows with CI/CD pipelines.
- Applied basic SEO principles, including semantic HTML tags, meta descriptions, and proper heading structure to improve search visibility.
Full-Stack Developer
Making Changes Association
Calgary, AB
10.2024 - 04.2025
- Built responsive front-end components using HTML, CSS, JavaScript, and React, resulting in a 25% improvement in page load speed and mobile usability.
- Designed and prototyped 10+ interactive web pages in Figma, linking components to simulate smooth user journeys and improve stakeholder feedback speed by 40%.
- Integrated MySQL into web applications to support data storage, queries, and overall management.
- Worked with a team of 5 developers using Agile, finished tasks on time, and helped the team work 15% faster.
Frontend Developer
EpicenterK
Ukraine
09.2021 - 10.2023
- Refactored legacy JavaScript code into modern React components, reducing bugs and improving maintainability for a client-facing dashboard.
- Used Git and GitHub for all version control, collaborated in a team of 3 developers using feature branches and pull requests.
- Converted SCSS-based designs into modular Tailwind CSS components, which decreased styling conflicts and reduced overall CSS file size by 40%.
- Assisted in developing new features and learned to take more ownership over time, working closely with the team in a dynamic startup environment.
Office manager
Brille
Ukraine
12.2011 - 08.2013
- Supervised employees across all departments, showing strong leadership and the ability to manage tasks and people effectively.
- Planned and scheduled staff meetings to explain new policies and procedures, improving internal communication and teamwork.
- Kept the company’s filing system accurate and up to date, demonstrating and strong organizational skills.
- Managed daily office tasks efficiently, showing the ability to prioritize and multitask under pressure.
Education
Bachelor’s Degree - Management of Agriculture
Ukrainian Agricultural University
Skills
- Programming Languages: JavaScript, TypeScript, Python, HTML, SCSS, SQL
- Libraries & Frameworks: GraphQL, Nodejs, jQuery, Expressjs, Reactjs, Nextjs, Cypress
- Tools & Applications: Microsoft PowerApps, Microsoft Visual Studio, Microsoft Office Suite, Git, Scratch, Figma, SourceTree
- Databases: Firebase, MySQL, PostgreSQL
- Platforms: Shopify, Webflow
- Other Tools: Slack, Zoom, Microsoft Teams, Adobe Connect, ClickUp, Jira, Trello, Miro
Certification
- Full-stack Web Development, 2025
- Making Changes Association (Women in Technology Program) – Calgary, AB
Timeline
Full Stack Developer
Leavoda
04.2025 - Current
Full-Stack Developer
Making Changes Association
10.2024 - 04.2025
Frontend Developer
EpicenterK
09.2021 - 10.2023
Office manager
Brille
12.2011 - 08.2013
Bachelor’s Degree - Management of Agriculture
Ukrainian Agricultural University