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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on modernizing large financial systems, combining Generative AI, mainframe modernization, cloud migration, and modern software architecture. Responsibilities include working with GenAI, LLM, Agentic AI, RAG architecture, ML lifecycle, and AI governance. The role covers solution architecture, code analysis automation, business rule extraction, legacy system reverse engineering. It offers 100% remote work with private medical care and shared sports activity costs.
Senior AI Engineer – GenAI & Legacy Modernization
Company: SQUARE ONE RESOURCES sp. z o.o.
from: 14 September 2026
to: 14 October 2026
150 - 185 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:remote
Warszawa, Mokotów
Requirements
Expected technologies
Python
LangChain/LlamaIndex
Azure AI Services
Generative AI / GenAI
LLM
RAG
Our requirements
- Experience with GenAI modernization accelerators
- Experience with LLM architecture and prompt engineering
- Experience with Agentic AI design
- Experience with RAG architecture
- Experience with ML lifecycle management and AI governance
- Experience with solution architecture
- Experience with code analysis automation
- Experience with business rule extraction using AI
- Experience with source-to-target conversion accelerators
- Experience with test generation frameworks
- Experience with legacy system reverse engineering
Your responsibilities
- Work with AI-assisted modernization of complex enterprise systems
- GenAI modernization accelerators
- LLM architecture and prompt engineering
- Agentic AI design
- RAG architecture
- ML lifecycle management and AI governance
- Solution architecture
- Code analysis automation
- Business rule extraction using AI
- Source-to-target conversion accelerators
- Test generation frameworks
- Legacy system reverse engineering
About the project
We are looking for experienced IT consultants to join a large-scale modernization program within the financial services sector.
The program focuses on the transformation and modernization of complex enterprise environments, combining Generative AI, legacy and mainframe modernization, cloud transformation, data migration, and modern software architecture.
Assignment Details
Start: ASAP / negotiable
Duration: 9–12 months
Location: 100% remote
Industry: Financial Services
This is how we organize our work
This is how we work
at the client's site
What we offer
- Duration: 9–12 months
- Workload: Full-time
- Start: As soon as possible / by agreement
- 100% remote work
- Medicover
- Medicover Sport
Benefits
- sharing the costs of sports activities
- private medical care
Recruitment stages
- 1.Initial recruiter screening
- 2.1st technical interview
- 3.2nd technical interview
- 4.Decision
SQUARE ONE RESOURCES sp. z o.o.
At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.
This is how we work
Senior AI Engineer – GenAI & Legacy Modernization
150–185 zł / hr. (B2B)
I apply to:
SQUARE ONE RESOURCES sp. z o.o.
Warszawa, Mokotów
Need more information?
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