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Expert Backend Engineer (Python&Java) with AIML skills

GFT


Job Location:

Kraków - Poland

Monthly Salary: m 17400 - 26700
Posted: 11 September 2026 (23 hours ago)
Application Deadline: 9 December 2026
Vacancies: 1 Vacancy

Job Summary

Type of contract: Employmentcontract

Salary range: PLN gross

What will you do

You will design and develop production-grade AI and GenAI solutions built primarily in Python contributing to a large-scale enterprise technology transformation. You will work on LLM-based capabilities RAG solutions and agentic workflows ensuring secure integration with an existing Java-based ecosystem. You will contribute to architecture discussions and help deliver scalable secure and reliable AI solutions that meet enterprise standards.

Your tasks

  • Design and develop production-grade AI and GenAI solutions in Python
  • Build and integrate LLM-based applications RAG pipelines and agentic workflows
  • Develop secure APIs microservices and integration components
  • Integrate Python-based solutions with existing Java services and enterprise platforms
  • Evaluate and validate AI-generated outputs using measurable quality criteria
  • Apply human-in-the-loop controls traceability and auditability practices
  • Contribute to solution design and architecture discussions
  • Develop unit integration contract and automated evaluation tests
  • Follow secure coding standards and AI governance requirements
  • Contribute to CI/CD pipelines quality gates and automated security checks
  • Implement logging monitoring metrics and tracing
  • Identify technical risks dependencies and delivery blockers and propose mitigation approaches
  • Support releases production readiness and incident resolution
  • Collaborate with architects Tech Leads QA platform and operations teams
  • Contribute to engineering standards and continuous improvement initiatives
Your skills

  • 5 years of professional software engineering experience with strong expertise in Python
  • Hands-on experience building and delivering AI and GenAI solutions in production environments
  • Practical knowledge of LLM capabilities limitations and safe usage patterns
  • Strong experience designing and implementing RAG solutions
  • Experience with agentic or tool-using AI workflows
  • Experience with prompt engineering evaluation and validation approaches
  • Knowledge of AI governance security traceability and auditability
  • Experience developing microservices and APIs
  • Previous commercial experience with Java and Java-based enterprise systems
  • Ability to understand review and occasionally modify Java code
  • Experience with relational databases such as PostgreSQL or Oracle
  • Knowledge of schema design transactional integrity and performance optimization
  • Strong unit integration and contract testing practices
  • Experience with CI/CD pipelines and quality gates
  • Hands-on experience with cloud platforms (Azure preferred)
  • Knowledge of REST messaging and event-driven integration patterns
  • Ability to independently design and deliver complex technical solutions in enterprise environments
  • Strong understanding of secure software development and operational resilience
  • Experience participating in architecture reviews design reviews and code reviews
Nice to have

  • Strong hands-on Java and Spring Boot development experience
  • Experience delivering solutions in regulated financial services
  • Experience with Kubernetes containers and service mesh technologies
  • Knowledge of modern observability tooling
  • Experience with performance engineering and resilience testing
  • Experience with prompt and model version management
  • Experience establishing AI-enabled SDLC practices
  • Experience measuring the quality and productivity of AI-assisted development
We offer

  • Hybrid work in one our clients office (Kraków) 6-8 days a month
  • Working in a highly experienced and dedicated team
  • Benefit package tailored to your needs (medical sport lunch subsidy life insurance etc.)
  • Online training and certifications
  • Access to e-learning platform
  • Social events

Required Experience:

IC


About Company

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We see opportunity in technology. In domains such as cloud, AI, mainframe modernisation, DLT and IoT, we blend established practice with new thinking to help our clients stay ahead.

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