You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Anton OlieinykovAO

Anton Olieinykov

Senior JS Full Stack Developer

€320/day
Varna, BG
8-15 years

Average response time: 1 hour

About Anton

  • English

    Native or bilingual

  • Ukrainian

    Native or bilingual

  • Russian

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Power App Factory,
    Senior Frontend Developer
    October 2024 - June 2026 (1 year and 8 months)
    Germany
    • ● Develop frontend features for an enterprise energy management platform used to monitor, manage, and optimize different types of energy consumption, including renewable energy workflows.
    • ● Build complex React and TypeScript interfaces for data-heavy business flows, forms, dashboards, configuration screens, and internal enterprise users.
    • ● Work with REST APIs and browser Web APIs to support integrations, user interactions, data visualization, and application workflows.
    • ● Contribute to frontend architecture, state management decisions, component structure, and integration patterns across the application.
    • ● Improve maintainability of frontend modules by keeping components reusable, predictable, and aligned with business requirements.
    • ● Collaborate with distributed engineering and product teams in an enterprise environment with high reliability and long-term maintainability expectations.
  • Truckrates,
    Lead Frontend Developer
    October 2021 - October 2024 (3 years)
    United States
    • ● Led frontend development for a logistics communication and route-cost calculation platform serving transportation and carrier workflows.
    • ● Built a real-time chat system from scratch, including user communication flows, message states, notifications, and production-ready UI behavior.
    • ● Developed complex frontend modules for route cost calculation, carrier workflows, internal operations, and customer-facing logistics features.
    • ● Integrated third-party services including maps, communication APIs, and partner systems.
    • ● Owned major frontend architecture decisions, component structure, state management, and delivery of complex product features.
    • ● Collaborated directly with stakeholders, backend developers, QA, and product teams to deliver long-term product improvements.
    • ● Improved frontend reliability and maintainability through reusable components, predictable state management, testing, and documentation.
  • DISH,
    Senior Frontend Developer
    October 2019 - October 2021 (2 years)
    United States
    • ● Developed frontend applications and dashboards for TV service, satellite dish status, coverage, and operational workflows.
    • ● Built data-driven interfaces for internal users, helping teams monitor service-related information and manage technical processes.
    • ● Worked on React-based UI modules, reusable components, API integrations, and frontend application logic.
    • ● Contributed to frontend CI/CD processes, application stability, and delivery improvements.
    • ● Collaborated with backend engineers and distributed teams to ship production features for large-scale business systems.

Recommendations

Be the first to recommend Anton

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master's Degree
    H.S. Skovoroda Kharkiv National Pedagogical University
    2017
    Master's Degree

Categories