Mid Fullstack Engineer (React+NodeJS)

New
Warsaw or Remote, Afternoon availability required for occasional evening meetings with US teams.Full-TimeMiddle
Salary not disclosed
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Job Details

Languages
English, Polish
Experience
At least 3 years
Required Skills
Node.jsPostgreSQLJavascriptKubernetesMicrosoft SQL ServerMySQLTypeScriptReactAWS Lambda

Requirements

  • At least 3 years of hands-on experience across frontend and backend.
  • Proficiency with React, Node.js, JavaScript, and TypeScript.
  • Practical knowledge of at least one relational database system (e.g., PostgreSQL, MySQL, or SQL Server).
  • Experience implementing the test pyramid (unit, integration, e2e tests).
  • Ability to engage in software design and architecture discussions.
  • Strong security practices and knowledge.
  • Excellent communication skills in English and Polish (written & spoken).
  • Sense of ownership and accountability in delivering high-quality work.
  • Ability to work effectively across teams (Product, Design, QA).
  • Available in the afternoons for collaboration with multinational teams.

Responsibilities

  • Develop the Customer Portal (frontend) and Backend-For-Frontend layer.
  • Act as the go-to person for frontend within the mobile-focused team.
  • Partner with QA and Design to deliver user-facing features.
  • Maintain databases and APIs for real-time automated decision-making.
  • Deploy software using Kubernetes clusters and Lambda functions.
  • Investigate and resolve production issues to minimize user impact.
  • Implement automated test suites to ensure code quality.
  • Collaborate with Product Managers, Senior Engineers, and Architects on business requirements.
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