Senior Backend Engineer (Node.js)

New
T
TellentHR technology
Workplace type: remote; Locations: Poznań, Zwierzyniecka 3, Poznań, Country code: PLFull-TimeSenior
Salary255,420 - 320,000 PLN per year
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Job Details

Languages
Fluency in English
Experience
Extensive experience designing and building scalable backend applications with Node.js.
Required Skills
Node.jsReact

Requirements

  • Bring extensive experience designing and building scalable backend applications with Node.js.
  • Have experience with React or an interest in contributing across the stack when needed.
  • Demonstrate senior-level engineering judgment about when to refactor, optimize, or ship a solution.
  • Bring a product mindset and be comfortable working with evolving requirements.
  • Ask thoughtful questions and balance technical quality with customer impact.
  • Make pragmatic trade-offs.
  • Show curiosity and flexibility, including willingness to learn technologies and work outside your primary area of expertise.
  • Have strong communication skills.
  • Be fluent in English.

Responsibilities

  • Build and improve core HR workflows in Node.js, including rules-heavy domains such as country-specific time-off policies.
  • Design, build, and maintain scalable backend services.
  • Improve the performance, reliability, and maintainability of existing features.
  • Refactor and modernize the platform while maintaining a seamless experience for existing customers.
  • Contribute to frontend development in React when it supports the customer experience.
  • Collaborate with engineers, Product Managers, QA, and designers to solve customer problems and deliver product improvements.
  • Participate in code reviews, technical discussions, and knowledge sharing.
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255,420 - 320,000 PLN per year
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