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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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