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Lebenslauf II

Serhii Chaika

  • Location ZugZug, CHSwitzerland
  • S UAUkrainian, Permit S
  • B USEnglish B2, DEGerman B1
  • C UKUkrainian+RURussian native
  • Availability Available immediately

Full-Stack Developer

Serhii Chaika
Education NTUU (KPI), CNTU - Specialized Computer Systems
  • Angular
  • DevExpress
  • TypeScript
  • NestJS
  • Prisma ORM
  • PostgreSQL
  • HTML5
  • CSS3
  • SASS
  • LESS
  • Bootstrap
  • JavaScript
  • Git
  • Docker
  • VMware
  • Networking
  • Windows
  • Linux

Summary

IT Specialist with 14 years in web development and 25 years in commercial IT, specializing in Angular, TypeScript, NestJS and PostgreSQL (Prisma). Experienced in owning large-scale frontend architectures (SASS/LESS, Bootstrap, DevExpress), building REST APIs, and maintaining production infrastructure (Docker, VMware, CI/CD, Git, Linux/Windows servers, networking). Hands-on hardware background. Experienced in distributed international teams.

Experience

  • Full-Stack Developer - Personal projects

    Aug 2025 - Present

    Self-employed - Switzerland

    Built web applications for personal productivity and tooling. HTML5 CSS3 SASS Bootstrap JavaScript TypeScript Git

  • Lead Full-Stack Developer

    Mar 2022 - Jul 2025

    SSTS - Ukraine

    Led development of a brigade-level analytics platform for operational data collection and reporting, designed and maintained Angular application with 80+ functional modules. Angular DevExpress TypeScript NestJS Prisma ORM PostgreSQL HTML5 CSS3 SASS Bootstrap JavaScript Git Docker Networking Windows Linux

  • Senior Frontend Engineer | Angular Developer

    Mar 2019 - Feb 2022

    Miratech - Kyiv, Ukraine

    Developed frontend for a gov tax service platform, implemented enterprise UI using Angular and DevExpress, built complex data entry forms and administrative interfaces, worked in Scrum international teams. Angular DevExpress TypeScript HTML5 CSS3 SASS Git VMware

  • Frontend Engineer | Angular Developer

    Feb 2017 - Mar 2019

    Amadeus Ukraine - Kyiv, Ukraine

    Developed a web platform for travel agent reward programs, implemented an agent portal (25+ pages) and a full administration interface, built Angular frontend features and reusable UI components. Angular TypeScript HTML5 CSS3 SASS LESS Bootstrap JavaScript Git

  • Frontend Engineer

    Mar 2012 - Jan 2017

    Flyupstudio - Chernihiv, Ukraine

    Delivered 150+ commercial responsive websites and web applications across multiple industries. HTML5 CSS3 Bootstrap JavaScript Git

  • Web & Print Designer

    2003 - 2012

    CBIT | Freelance - Kyiv, Ukraine

    Web design, frontend markup, banners, and digital graphics for client projects. HTML5 CSS3 JavaScript