Yevhenii A.

Yevhenii A.

Senior Frontend Developer

Ukraine
Trusted member since 2023
15 years of experience

Throughout his career, Evgeniy has contributed to projects in e-commerce, healthcare, and cloud computing, leading requirements analysis, risk mitigation, architecture discussions, demos, and onboarding. Experienced in agile methodologies, he ensures smooth and reliable delivery of high-quality solutions.

Since 2023, Evgeniy has also provided technical consultations and pre-sales support, helping stakeholders align solutions with business goals and validate technical feasibility from the earliest project stages.

Main expertise

JavaScriptJavaScript12 years
React.jsReact.js4 years
CSSCSS14 years
HTMLHTML15 years
13+

Experience10

Senior Frontend Engineer

NDA (Retail company)
E-commerce
Jan 2025 - May 2025 · 4m

Project: A retail automation platform that can predict how much, when, where, and at what price customers will buy, and adjust logistics accordingly.

  • Set up and configured a new project module for a new business branch.
  • Refactored and unified styles to use shared variables for colors, fonts, spacing, and other design elements.
  • Onboarded and mentored new team members.
  • Participated in cross-team meetings and discussions to align the roadmap.
  • Reduced project complexity by introducing standalone components and removing redundant modules.
  • Implemented the GitFlow branching model with a staging environment.
HTMLHTML
CSSCSS
TypeScriptTypeScript
AngularAngular
GitGit
4+
TFC

Senior Software Developer

TFC
Information Technology (IT) and Services
Jun 2024 - Aug 2024 · 2m
  • Delivered a full rewrite of the main TFC website, improving performance, UX, and maintainability.
  • Led tech stack decisions and performed hands-on development while mentoring a junior-to-mid developer throughout the project.
  • Replaced the legacy codebase with a modern, modular tech stack optimized for speed, scalability, and future content updates.
  • Configured deployment and CI/CD processes, reducing update time from hours to minutes.
  • Increased page load speed by approximately 35% through technical enhancements and code optimization.
HTMLHTML
CSSCSS
TypeScriptTypeScript
Next.jsNext.js
FigmaFigma
7+

Senior Software Engineer

NDA (Kubernetes Policy Management Platform)
Cloud Computing
Jan 2024 - Nov 2024 · 10m
  • Built a responsive dashboard interface for managing Kubernetes policies across multiple clusters.
  • Created a reusable component library for Kubernetes resource visualization, accelerating feature development across teams.
  • Optimized bundle size and implemented code splitting, improving initial page load performance by approximately 27%.
  • Collaborated with the backend team to design RESTful APIs for policy management operations and cluster status monitoring.
  • Participated in customer demos and provided technical consultations.
React.jsReact.js
DockerDocker
HTMLHTML
CSSCSS
TypeScriptTypeScript
7+
TFC

Tech Consultant(pre-sales)

TFC
Information Technology (IT) and Services
Apr 2023 · 3y 5m
  • Participated in pre-sales technical consultations, translating client needs into tailored solution architectures and increasing proposal acceptance rates.
  • Developed and presented clear, technically sound proposals and demos to stakeholders, improving technical buy-in and shortening decision cycles.
  • Collaborated with sales and engineering teams to design scalable, cost-effective solutions aligned with customer objectives, accelerating deal closures by up to 25%.
  • Proactively addressed risks by identifying and resolving early-stage technical blockers, boosting client confidence and reducing post-sale turnover.
  • Prepared detailed responses to questions arising during the communication process, often related to pricing, timelines, and capabilities.
React.jsReact.js
HTMLHTML
CSSCSS
TypeScriptTypeScript
SCSSSCSS
7+

Senior Frontend Engineer

Solutio GmbH (German MedTech platform)
Healthcare
Apr 2023 - Jan 2024 · 9m
  • Identified and addressed architectural bottlenecks, improving system performance and developer productivity.

  • Contributed to modernising a large-scale legacy application, replacing outdated components with a scalable, maintainable tech stack.

  • Operated fully in the German language across video calls, chats, and documentation, ensuring clear communication in a regulated MedTech environment.

  • Collaborated closely with cross-functional teams to refactor core features without disrupting critical healthcare workflows.

DockerDocker
HTMLHTML
CSSCSS
TypeScriptTypeScript
RxJsRxJs
3+

Senior FE Developer, Project Management

NDA (Enterprise Ecommerce Solutions)
E-commerce
Jan 2022 - Jun 2022 · 5m
  • Contributed to multiple client projects, focusing on component development and UI implementation.

  • Applied performance optimisation techniques to improve page load times and user experience.

  • Implemented payment processing integration using Stripe API.

  • Participated in client requirement gathering sessions and contributed to technical solution discussions.

  • Collaborated with UX/UI designers to create responsive interfaces.

React.jsReact.js
TypeScriptTypeScript
FigmaFigma
CypressCypress
StripeStripe
ZustandZustand

Senior Frontend Developer

Ciklum (client under NDA - one of the Big Four accounting firms)
Information Technology (IT) and Services
Sep 2020 - Nov 2021 · 1y 2m

Project: Large-scale enterprise web application with real-time data processing capabilities

  • Participated in stakeholder meetings, client demos, and sprint planning.

  • Mentored 2 junior-to-mid level developers through code reviews and pair programming, improving team code quality and helping with their professional development.

  • Took the TL role and activities during Team Lead absences and sick leaves to ensure project continuity.

  • Implemented Git Flow branching model, it helped to reduce merge conflicts by almost 60%.

  • Developed real-time data visualisation solution using WebSocket/SignalR with the Singleton pattern optimisation, handling 80+ concurrent data streams.

  • Initiated partial codebase refactoring following SOLID principles, reducing technical debt by 40% and improving architecture maintainability.

TypeScriptTypeScript
RxJsRxJs
AngularAngular
SignalRSignalR
JasmineJasmine
KarmaKarma

Frontend engineer (Core Team)

Star(ex-Cogniance)
Information Technology (IT) and Services
Dec 2017 - Sep 2020 · 2y 9m

Project: Global MarTech/AdTech enterprise platform. 16 R&D teams worldwide

  • Contributed to the Core team development of the critical "Shell" module that served as the foundation for 16 global R&D teams, ensuring high code quality standards and system reliability.

  • Participated in cross-team all-hands meetings to present technical roadmaps, provide consultations on breaking changes, and coordinate feature releases across international development teams.

  • Participated in implementation of Whitelabeling functionality(dynamic brand customization by changing complete color schemes (primary, secondary, buttons, etc.)).

  • Created and reviewed pull requests for Core infrastructure changes, maintaining backwards compatibility while enabling new functionality for dependent teams worldwide.

  • Provided technical consultations and guidance to other frontend teams regarding core module integration, API changes, refactorings and best practices implementation.

Angular.jsAngular.js
TypeScriptTypeScript
RxJsRxJs
NgRxNgRx
AngularAngular
2+

Frontend Developer

CloudMade (Automotive)
Information Technology (IT) and Services
Jan 2017 - Dec 2017 · 11m

Project: Web application for automotive data visualization featuring profile charts and comprehensive analytics dashboard

  • Single FE developer responsible for complete web application development, delivering profile charts and statistical dashboards for automotive data visualisation.

  • Led feature development lifecycle from concept to deployment, implementing data visualisation components and user interface elements for complex automotive analytics.

  • Took part in UI/UX design discussions, providing technical feasibility input and proposing user experience improvements.

  • Collaborated with Product Manager and Backend team to define feature requirements.

BootstrapBootstrap
TypeScriptTypeScript
AngularAngular
JasmineJasmine
KarmaKarma
D3.jsD3.js

Web Developer

Baaz (Social Media Platform)
Information Technology (IT) and Services
May 2016 - Jan 2017 · 8m
  • Participated in project planning sessions, contributing to technical roadmap decisions and feature prioritisation for enhanced user engagement.

  • Planned and participated in migration from AngularJS to Angular 2+(it was still in Beta at the time), modernising codebase architecture and improving application performance and maintainability, fixing breaking changes after new Angular releases.

  • Implemented comprehensive RTL (Right-to-Left) text orientation support, ensuring proper UI layout and user experience for Arabic language users.

  • Optimised styling and layout components to handle bidirectional text rendering.

TypeScriptTypeScript
AngularAngular
JasmineJasmine
KarmaKarma
Material-UIMaterial-UI

Assessments

Engineering excellence

Yevhenii’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Senior Frontend Developers at Proxify.

Education

OGN
Oles’ Gonchar National University
Physics and Technology2006 - 2012

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