Oksana

Oksana Krychynska
FRONT-END DEVELOPER | ANGULAR | TYPESCRIPT
Lviv, Ukraine · Remote
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SUMMARY

Senior Front-End Developer with 9+ years of experience delivering enterprise-scale web applications for
healthcare and pharmaceutical products. Strong expertise in Angular (v2–v20+), TypeScript, RxJS, Signals,
state management, application architecture, and performance optimization.
Beyond hands-on development, actively drives technical improvements across products by researching modern
technologies, evaluating architectural decisions, leading framework migrations, mentoring engineers, and
introducing engineering best practices. Known for taking ownership beyond assigned tasks, proposing strategic
improvements, simplifying complex technical problems, and balancing business goals with long-term
maintainability.
Works confidently across the full feature lifecycle—from gathering requirements and designing technical
solutions to implementation, testing, deployment, demos, and production support.

EXPERIENCE

Angular Developer
ГО “УААСП” | May 2026 – Present
Designing the architecture and building an internal web application from scratch. As the sole frontend
developer, responsible for requirements gathering, estimations, risk negotiation, feature delivery, and unit
testing.
• Designed a lazy-loading architecture with standalone and reusable components.
• Implemented JWT authentication, validation, authorization, and complex Reactive Forms.
• Integrated REST APIs and optimized frontend data flows with RxJS.
• Implemented features using Signals and SignalStore where appropriate.

Senior Angular Developer
Edetek, Inc. | 2019 – October 2025
Developed and evolved enterprise SaaS platforms used by global pharmaceutical companies for clinical
research and healthcare data management.
• Led multiple Angular migrations (v4 → v18+), researching breaking changes, deprecated APIs, third-party library
compatibility, and migration risks to ensure zero-downtime upgrades.
• Evaluated Angular releases, libraries, and frontend technologies, recommending improvements to scalability and
long-term maintainability.
• Proposed and introduced NgRx after technical research and presenting architectural benefits, improving state
management, reducing redundant API requests, and increasing responsiveness.
• Built enterprise applications with Angular, TypeScript, RxJS, Signals, SignalStore, Reactive Forms, Angular
Material, PrimeNG, and REST APIs; specialized in large dynamic forms with complex validation, nested structures,
and healthcare business logic.
• Improved performance through lazy loading, virtual scrolling, optimized change detection, and architectural
refactoring.
• Reduced technical debt by replacing deprecated third-party libraries with lightweight internal solutions.
• Designed shared UI components used across enterprise applications, improving consistency and reducing
duplicated code.
• Helped other product teams stabilize applications, resolve production issues, and accelerate delivery during
resource gaps.
• Performed code reviews, mentored junior developers, supported pair programming, and helped establish
frontend engineering standards.
• Introduced a unified Style Guide standardizing typography, colors, icons, spacing, and reusable UI components.
• Collaborated with Product Owners, Business Analysts, QA engineers, designers, and backend developers to turn
requirements into scalable solutions.

Oksana Krychynska | CV 1

• Presented features during sprint reviews and participated in release planning and production support.

Angular Developer
SoftServe | 2018 – 2019
Worked on enterprise healthcare software for a European pharmaceutical client.
• Developed complex business functionality using Angular and Reactive Forms.
• Built advanced validation logic and secure authentication using JWT.
• Implemented multilingual support with ngx-translate.
• Designed modular architecture with lazy-loaded modules and reusable components.
• Integrated REST APIs and optimized frontend data flows with RxJS.

Angular Engineer
Edetek, Inc. | 2016 – 2018
Started as a Junior Front-End Developer and rapidly grew into an independent engineer responsible for
increasingly complex frontend development tasks.
• Developed new application features and fixed production issues.
• Worked with PrimeNG data grids, routing, authentication, pagination, filtering, and reusable UI components.
• Participated in CI/CD processes and AWS deployment pipelines.
• Collaborated with senior engineers while expanding technical expertise and ownership.
• Learned enterprise software development practices, Agile methodologies, and cross-functional collaboration.

TECHNICAL SKILLS

Frontend: Angular (v2–v20+), TypeScript, JavaScript (ES6+), HTML5, SCSS, CSS3
State Management: RxJS, NgRx, Signals, SignalStore, Component Store
Architecture: Standalone Components, Lazy Loading, Reactive Forms, Smart/Dumb Components, REST APIs, JWT
Authentication
UI: Angular Material, PrimeNG, Ignite UI, Responsive Design
Performance: Virtual Scrolling, Infinite Scroll, Change Detection Optimization, Bundle Optimization
Testing: Karma, Jasmine
Tools: Git, Jira, AWS, Angular CLI, CI/CD, Claude Code, OpenAI Codex

EDUCATION

Lviv Polytechnic National University | 2010
Bachelor's Degree, Information Activity and Documentation Science

LANGUAGES

Ukrainian — Native English — Upper-Intermediate

Oksana Krychynska | CV 2