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OLEG BILYI
SENIOR FRONTEND DEVELOPER | FULL STACK ENGINEER
Kyiv, Ukraine • [open contact info](look above in the "contact info" section) • GitHub & LinkedIn available upon request

PROFESSIONAL SUMMARY

Accomplished Senior Frontend & Full Stack Developer with 12+ years of software engineering experience
specializing in modern JavaScript/TypeScript frameworks (Angular v7–v22, React, Node.js, NestJS, Ionic).
Proven track record of architecting scalable web and cross-platform mobile applications, containerizing
environments with Docker, and leveraging AI-assisted development tools (Claude Code, OpenAI Codex) to
accelerate delivery. Strong expertise in data-intensive UI dashboards, app store deployments (App Store &
Google Play), and high-performance micro-frontend architectures.

TECHNICAL SKILLS

Core & Frontend: TypeScript, JavaScript (ES6+), Angular (v7–v22), React, Ionic Framework, HTML5,
SCSS/CSS3, RxJS, Redux/NGRX
AI-Driven Dev: Claude Code CLI / Workflows, OpenAI Codex, AI-assisted Refactoring & Automated Test
Generation
Backend & DevOps: Docker, Node.js, Express.js, NestJS, RESTful APIs, GraphQL, Firebase, MongoDB, MySQL,
Oracle SQL
Mobile & App Stores: Cross-Platform Mobile (Ionic / Capacitor), Apple App Store & Google Play Store Publishing
& CI/CD Builds
Architecture & Tools: Enterprise Monorepo Architecture, ag-Grid, Chart.js, Component Libraries, Git, JIRA,
Webpack/Vite, AngularJS (Migration)

PROFESSIONAL EXPERIENCE

Senior Frontend Developer • AI Startup June 2024 – Present | Kyiv, Ukraine
AI-Assisted Engineering: Integrated state-of-the-art AI developer tools (Claude Code CLI, OpenAI Codex) into
everyday workflows, accelerating feature velocity, complex refactoring, and code review efficiency.
Docker & Infrastructure: Containerized development and staging environments using Docker, ensuring unified
container orchestration and seamless deployment pipelines.
Enterprise Monorepo Architecture: Key Frontend Engineer driving architecture, feature development, and
performance optimization for high-scale web applications in a mono-repository environment.
Modern Framework Leadership: Built high-performance, responsive UI components using modern React and
Angular (up to v22) with TypeScript and functional component paradigms.

Front End Developer • Go Interactive June 2021 – June 2024 | Kyiv, Ukraine
Ionic & App Store Publishing: Engineered cross-platform mobile applications using Ionic, managing deployment,
build signing, and publishing to Apple App Store & Google Play Store.
Docker Integration: Utilized Docker for local backend service containerization, database mocking, and environment
consistency across engineering teams.
Restaurant Platform Ecosystem: Developed feature-rich domain apps covering interactive menus, location finders,
promo engines, loyalty programs, and mobile accounts.
Angular, React & Node.js: Built responsive UIs across Angular (v11–v15+) and React, alongside Node.js/Express
web crawlers and backend microservices.

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Front End Developer & Team Lead • SoftServe Inc. August 2018 – June 2021 | Kyiv, Ukraine
BIG 4 Financial Application: Led frontend engineering for a complex financial calculation platform for BIG 4
accounting clients, utilizing ag-Grid for high-performance data tables.
Team Leadership & Mentorship: Mentored developers, conducted code reviews, and managed DEV, TEST, and LIVE
server deployment pipelines.
Max Condo Club Platform: Architected property management SPA for booking, incident reporting, and requests
using Angular, Bootstrap, and Angular Material.

Front End Developer • Right & Above March 2017 – August 2018 | Kyiv, Ukraine
nuWIRE & AuthOn Platforms: Built desktop web client for nuWIRE screen-casting app (Angular/Firebase) and
engineered AuthOn password management application from scratch.

Java / Full Stack Developer • Outside Intelligence (OIQ) & December 2013 – October 2016 | Toronto /
MPAC Remote
Developed backend Java microservices, risk-assessment engines, web crawlers, and internal property assessment
tools using Java, Spring, Oracle SQL, and AngularJS.

EDUCATION

M.S. in Software Engineering for Computer Systems • National Technical University of Ukraine "KPI" 2021 – 2022
B.S. in Software Engineering • National Technical University of Ukraine "KPI" 2017 – 2021
Diploma in Computer Programming • Seneca College, Toronto, Ontario, Canada 2013 – 2015

INTERESTS & ACTIVITIES

Boxing • Swimming • Basketball • Playing Guitar • Traveling • Continuous Self-Development

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