Senior React Developer

New
S
SNIIT Outsourcing
Warszawa, -, Warszawa, Country code: PLContractSenior
Salary3671 - 4038 CHF per hour b2b currencySource=conversion; 3886 - 4275 EUR per hour b2b currencySource=conversion; 3338 - 3672 GBP per hour b2b currencySource=conversion; 4508 - 4959 USD per hour b2b currencySource=conversion; 16800 - 18480 PLN per hour b2b currencySource=original
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Job Details

Required Skills
AWSGitJavascriptTypeScriptReactCI/CD

Requirements

  • Extensive experience building scalable web applications using React and core JavaScript.
  • Proficiency in React architecture, state management, and component design.
  • Strong knowledge of TypeScript and AWS.
  • Experience with CI/CD pipelines, automated testing frameworks, and collaborative Git workflows.
  • Product-minded approach with experience working directly with cross-functional design and product teams.
  • Strong communication skills suited for remote-first environments.
  • Knowledge of WebViews embedded within native iOS/Android applications (nice to have).
  • Familiarity with web accessibility standards (WCAG), PWAs, and offline caching patterns (nice to have).
  • Experience with GitHub Actions and AWS CodeBuild (nice to have).

Responsibilities

  • Partner with product and design to shape solutions, validate assumptions, and deliver user-facing features.
  • Architect, build, and maintain large-scale React and JavaScript applications, including established codebases.
  • Diagnose and resolve complex dependency, build, integration, and cross-browser runtime issues.
  • Drive automated testing (unit, integration, UI) and maintain CI/CD pipelines through production releases.
  • Optimize app performance, handle production monitoring, and contribute to technical design and estimation.
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3671 - 4038 CHF per hour b2b currencySource=conversion; 3886 - 4275 EUR per hour b2b currencySource=conversion; 3338 - 3672 GBP per hour b2b currencySource=conversion; 4508 - 4959 USD per hour b2b currencySource=conversion; 16800 - 18480 PLN per hour b2b currencySource=original
Apply Now