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November 3, 2026

System Engineer for Legacy Application C/C++

Mid • On-site

130 - 150 PLN/yr

Łódź, Poland

Responsibilities:

  • Design, develop, and maintain C and C++ microservices supporting credit risk, recommendation, and credit scoring products

  • Build robust APIs and calculation engines supporting compliance with credit scoring and recommendation regulations across multiple countries

  • Develop solutions for complex business processes and integrations with credit authorities

  • Participate in the full software development lifecycle, including requirements analysis, design, coding, testing, and deployment

  • Collaborate with business analysts to translate business requirements into technical solutions

  • Work within an Agile Scrum team environment 

Requirements:

  • Strong proficiency and in-depth knowledge of C and C++

  • Strong debugging skills

  • Good knowledge of mapping, code flow, and XML

  • Understanding of unit, component, integration, and system testing concepts

  • Knowledge of software design patterns, object-oriented programming principles, and SOLID principles

  • Familiarity with Visual Studio

  • Practical knowledge of package building and .exe file creation

  • Experience using GitHub Copilot

  • Very good command of English, both spoken and written

Nice to have:

  • Domain knowledge of credit

  • Experience in the banking or financial sector

  • Basic knowledge of Finnish

Offer:

  • Private medical care

  • Co-financing for the sports card

  • Constant support of dedicated consultant

  • Employee referral program

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