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Edvantis Logo Edvantis · IT - Software Development

Senior Software Engineer (React)

Poland, Rzeszów · Job Posted April 27, 2026
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Job Description

We’re looking for a Senior Software Engineer to join a team responsible for transforming complex data- and AI-driven workflows into intuitive, high-performing, and reliable user interfaces for cloud-based industrial AI solutions.

Job Responsibility

  • Lead the detailed technical design and development of a complex, scalable single-page application, ensuring long-term maintainability and adaptability
  • Develop and enhance user-focused workflows and interactive data visualizations, enabling complex industrial data to be easily understood and actionable
  • Define and uphold front-end best practices in coding, testing, performance, and security
  • Maintain high quality through code reviews and continuous process improvements
  • Serve as the Front-End Technical Expert in API-related discussions, working closely with Back-End Engineers to design and integrate efficient, well-structured data contracts

Requirements

  • Ability to go on business trips (EU, Germany)
  • 7+ years of professional experience in software engineering, with a strong track record of delivering and maintaining complex, data-driven web applications in Production environments
  • Advanced, expert-level proficiency in TypeScript
  • Extensive, hands-on expertise with React and its ecosystem
  • Strong experience with complex state management solutions such as Redux or Zustand
  • Experience working with component libraries such as Material UI (MUI)
  • Ability to build reusable custom components that can be leveraged across multiple solutions
  • Experience with data visualization and charting tools (e.g., D3.js)
  • Experience implementing designs based on Figma or wireframe prototypes
  • Solid expertise in front-end testing approaches and frameworks (e.g., Vitest, React Testing Library, Playwright)
  • Proven experience in creating detailed technical designs for large-scale single-page applications
  • Strong understanding of front-end architecture and principles, with the ability to translate them into effective technical solutions
  • Extensive experience in working with complex RESTful APIs and contributing to their design
  • Excellent communication skills
  • Strong experience in collaborating within international and cross-functional teams
  • English level – Upper-Intermediate or higher

Nice to have

  • Familiarity with alternative API technologies (e.g., GraphQL)
  • German language skills

What we offer

  • Remote-first work model with flexible working hours (we provide all equipment)
  • Comfortable and fully equipped offices in Lviv and Rzeszów
  • Competitive compensation with regular performance reviews
  • 18 paid vacation days per year + all state holidays
  • 12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation
  • Health & wellness support: either a monthly budget for medical insurance and sports activities, or a full medical insurance plan, depending on your cooperation model
  • English, German, and Polish language courses
  • Corporate subscription to learning platforms, regular meetups and webinars
  • Friendly team that values accountability, innovation, teamwork, and customer satisfaction
  • Inclusive environment where everyone feels valued and treated equally
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