Opi Danihelka

Frontend Engineer

Prague, Czechia13 yrs 6 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Expert in Continuous Integration and Developer Tools.
  • Significant cost savings achieved in CI/CD processes.
  • Passionate about enhancing developer experience.
Stackforce AI infers this person is a SaaS-focused Fullstack Engineer with a strong emphasis on CI/CD and frontend technologies.

Contact

LinkedIn

Skills

Core Skills

Continuous Integration (ci)Developer ToolsReactReduxTypescriptNode.jsAngularjs

Other Skills

ESLintPrettierJeststyled-componentsStorybookFluxCypressAngular 5Next.jsReact NativeVue.jsMongoDBGitHubCircleCIHeroku

About

Continuous Integrations (CI), Frontend platform, DevX, JavaScript ecosystem

Experience

13 yrs 6 mos
Total Experience
1 yr 9 mos
Average Tenure
3 yrs 11 mos
Current Experience

Postman

2 roles

Senior Frontend Platform Engineer

Promoted

Oct 2025 ā€“ Present Ā· 8 mos

  • šŸ… "Head of Pipelines"
  • šŸ’° Saved $1,000,000/year on CI/CD infrastructure
  • šŸš€ PR checks under 10 minutes
Continuous Integration (CI)Developer Tools

Frontend Platform Engineer

Jul 2022 ā€“ Nov 2025 Ā· 3 yrs 4 mos

  • šŸ’° Saved $500K/year on CI infrastructure
  • šŸš€ 4x faster CI/CD pipelines
  • šŸ§¹ Reduced node_modules size: 7.8GB ā†’ 3.0GB
  • Improving developer experience for 100+ engineers...
Continuous Integration (CI)Developer Tools

Mews

2 roles

Senior Frontend Platform Engineer

Promoted

Sep 2021 ā€“ Jun 2022 Ā· 9 mos Ā· Prague, Czechia

  • I try to make other engineers happy ā¤ļø
  • Faster builds & better tooling.
  • Technologies:
  • CI/CD - Azure Pipelines, Github
  • Build - Webpack, esbuild, Yarn workspaces
  • FE tools - Typescript, ESLint, Prettier, Jest
Continuous Integration (CI)Developer ToolsTypescriptESLintPrettierJest

Design System Developer

Sep 2020 ā€“ Aug 2021 Ā· 11 mos Ā· Prague, Czechia

  • https://mews.design/
  • Technologies:
  • React, Redux, TypeScript, styled-components, Storybook
ReactReduxTypeScriptstyled-componentsStorybook

Productboard

Senior Front-end Developer

Dec 2018 ā€“ Mar 2020 Ā· 1 yr 3 mos Ā· Prague, Czechia

  • I joined ProductBoard as an employee number 30 and left when there were 150+ of us. What a ride! šŸš€
  • My main responsibilities were:
  • Building of new advanced features for frontend react app.
  • "Grooming" of existing codebase for other 30+ react developers.
  • Designing of new database models.
  • Frontend performance improvements.
  • Improvements of development experience.
  • Technologies:
  • TypeScript, React, Flux
  • Tests:
  • Cypress, Jest
TypeScriptReactFluxCypressJest

Actum digital

Full-Stack JavaScript Team Lead

Nov 2016 ā€“ Nov 2018 Ā· 2 yrs Ā· Prague, Czechia

  • Team Leader of 12 amazing JavaScript Developers.
  • Main focus on developing single-page applications with React & Redux.
  • Setting up continuous integration and continuous deployment process.
  • Hands-on experience: Angular 5, Next.js, React Native, Vue.js
Continuous Integration (CI)ReactReduxAngular 5Next.jsReact Native+1

Smartnest

Lead Engineer

Feb 2015 ā€“ Oct 2016 Ā· 1 yr 8 mos Ā· San Francisco Bay Area

  • Management:
  • Responsible for hiring and leading team of developers.
  • Maintaining and actively developing multiple web apps.
  • Code reviews, release management.
  • Technologies:
  • AngularJS, Node.js (Express.js), MongoDB
  • DevOps:
  • GitHub -> CircleCI -> Heroku
AngularJSNode.jsMongoDBGitHubCircleCIHeroku

Salsita software

Full-Stack JavaScript Developer

Sep 2013 ā€“ Feb 2015 Ā· 1 yr 5 mos

  • Main focus on: Node.js, AngularJS, MongoDB
Node.jsAngularJSMongoDB

Usertech

JavaScript Expert

Mar 2012 ā€“ Aug 2013 Ā· 1 yr 5 mos Ā· Prague, Czechia

  • Front end JavaScript, HTML5 Canvas games, tons of jQuery and CSS3.

Cz.nic, z.s.p.o.

SW Developer in R&D department

Jan 2012 ā€“ Jan 2013 Ā· 1 yr Ā· Prague, Czechia

  • Python (Django) + PostgreSQL, Front end JavaScript
PythonDjangoPostgreSQLJavaScript

Education

Czech Technical University in Prague

Computer Software Engineering

Stackforce found 100+ more professionals with Continuous Integration (ci) & Developer Tools

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