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Junior Software Engineer (C#/.NET)

Poland, Rzeszów · Job Posted May 31, 2026
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Job Description

The organization is a global leader in delivering advanced SaaS solutions for the Energy sector, serving thousands of clients worldwide. Its offerings combine proprietary data, analytics, and software to empower high‑impact business decisions where accuracy, reliability, and trust are paramount. Customers span the entire energy value chain and depend on these solutions to navigate complex markets, optimize operations, and make informed strategic choices. The role involves developing and maintaining data scraping solutions, internal utilities, and back-end data services using .NET 8/9/10 and modern web technologies. You will work with REST APIs, asynchronous programming, ETL processes, and unit testing to deliver reliable and high-quality solutions.

Job Responsibility

  • Design, develop, and maintain web scraping services within an existing C# software framework, ensuring reliability and scalability
  • Work on complex technical problems: develop, test, deploy, maintain, and improve services, applications, and data pipelines
  • Write clean, maintainable code in a professional Agile environment using source control tools and CI/CD practices
  • Define and implement practical, high-quality solutions to the Customer’s problems based on functional requirements and data analysis
  • Collaborate within a multi-disciplinary team, participating in sprint planning and daily standups to deliver high-quality products
  • Ensure high standards of quality and continuous improvement, following team best practices with minimal oversight

Requirements

  • 1-3 years of commercial experience
  • Solid knowledge of C# and .NET 8/9/10
  • Experience with accessing and building REST APIs
  • Experience with HtmlAgilityPack (or equivalent scraping/parsing libraries)
  • Fundamental understanding of web technologies (HTML, JavaScript, JSON, XML)
  • Fundamental understanding of ETL concepts, asynchronous programming, and unit testing
  • Understanding of data structures and algorithms
  • Experience with Git and basic CI/CD concepts
  • Experience using AI-assisted development tools, including Claude Code
  • Strong problem-solving skills and attention to detail
  • English level – Upper-Intermediate or higher (both written and conversational)

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. We proudly partner with VeteranHub to support Ukrainian veterans
  • We are committed to supporting Ukraine and actively participate in charity initiatives

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