C/C++ System Engineer
At OPTIVEUM sp. z o.o. · Warsaw; Warsaw, Poland; Łódź; Łódź, Poland
- DevOps and infrastructure
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Where you’ll work
Hybrid, based in Warsaw or Łódź
“Warsaw”
From the location.
“Warsaw, Poland”
From the job board field.
“Łódź”
From the location.
“Łódź, Poland”
From the job board field.
“Location: Warsaw or Łódź”
From the job description.
The job board lists it as hybrid.
Hybrid means some days in the office. The listing says how many, and where.
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- Posted
- 15 October 2026
- First seen by us
- 16 October 2026
- Last checked
- 26 hours ago
Job description
From OPTIVEUM sp. z o.o.’s job post, as they wrote it.
C/C++ System Engineer
About the Offer
We are currently looking for a C/C++ System Engineer to join the team of our client from the banking sector. For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us.
You will design and develop C and C++ microservices behind credit risk, recommendation and credit scoring products, building APIs and calculation engines that keep these products compliant with credit regulations across several countries.
Read the full description
Key Details:
* Rate: up to 150 PLN/h net + VAT
* Work Model: B2B contract, full-time (40 h/week), hybrid – 75% remote
* Location: Warsaw or Łódź
* Languages: Fluent Polish and English
Responsibilities:
* Work within an agile Scrum team
* Design, develop and maintain C and C++ microservices supporting credit risk, recommendation and credit scoring products
* Build robust APIs and calculation engines that ensure compliance with credit scoring and recommendation regulations across multiple countries
* Develop support for complex business processes, including integrations with credit authorities
* Take part in the full software development lifecycle, from requirement analysis and design through coding, testing and deployment
* Work with business analysts to turn business requirements into technical solutions
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
* Understanding of software design patterns, object-oriented programming and SOLID principles
* Experience with Visual Studio
* Experience with package building and creating .exe files
* Hands-on use of GitHub Copilot
* Fluent Polish and English
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