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Middle Software Engineer (React)

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Edvantis

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Location:
Poland , Rzeszów

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

Our Client is the leading energy SaaS company delivering highly-technical insights and predictive/prescriptive analytics that empower customers to make decisions that increase profit. You would be joining the team developing our premier energy analytics platform.

Job Responsibility:

  • Rapidly prototype new features in a React-based web application
  • Influence design and user experience of single-page applications
  • Interact with and develop new microservices backed by document-based databases and GPU-accelerated databases
  • Write unit, integration, and end-to-end tests
  • Stay up to date on the industry trends through self-study, research, and online courses
  • Mentor junior team members

Requirements:

  • EU residence
  • 3+ years of software development experience in building web applications using React
  • Extensive experience with modern web application development tools and libraries
  • Multiple-years experience writing modern JavaScript (ES2015 and later) code
  • Knowledge and experience with one JavaScript-based bundler (we use webpack)
  • Experience with Node.js
  • Experience with Docker/Kubernetes
  • Understanding of CI/CD
  • Familiarity with OOP and Agile methodologies
  • Being comfortable managing source code using Git (we use GitHub)
  • Good understanding of data structure and algorithms

Nice to have:

  • Hands-on experience with WebdriverIO
  • Experience in data visualization, using Mapbox, D3, or other Javascript-based libraries
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
  • Medical insurance with an affordable family coverage option
  • Mental health program which includes free and confidential consultations with a psychologist
  • 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. We proudly partner with VeteranHub to support Ukrainian veterans
  • We are committed to supporting Ukraine and actively participate in charity initiatives

Additional Information:

Job Posted:
January 22, 2026

Employment Type:
Fulltime
Work Type:
Remote work
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