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ML Engineer (Senior Technical Lead / Principal Engineer for AI Agent Development)

Wroclaw, Krakow, Gdansk, Warsaw, Poznan, Poland

In this role, you will be part of the Value Added Services (VAS) Dispute Management Solutions team responsible for developing Verifi's B2B SaaS products and applications hosted in a secure data center.

VAS is focused on executing Visa’s merchant strategy, building stronger merchant & acquirer relationships, and increasing total merchant value by creating solutions that address complex and emerging market needs.

You will design and develop AI Agents in a multi-agent framework, work on agentic workflow management, and build scalable enterprise-grade applications.

Essential functions

  • Develop AI Agents within multi-agent frameworks

  • Contribute to agentic workflow management and tool development

  • Design, implement, test, and document software solutions

  • Build microservices using Java, Spring Boot, Kafka, MySQL

  • Apply appropriate standards, processes, and tools throughout the SDLC

  • Troubleshoot and fix production and security issues

  • Participate in architecture design and reviews

  • Support deployments across development, staging, and production environments

  • Conduct code reviews and ensure compliance with development requirements

  • Write and optimize database queries

  • Design and deliver highly scalable, high-performing applications

  • Produce detailed deployment documentation

Qualifications

  • BS in Computer Science or related field, plus 7+ years of experience

  • Strong experience with GenAI, LLM, AI Agent implementation & deployment

  • 6+ years of Python for AI development

  • 7+ years of Java & Java web applications for RESTful services

  • 7+ years with Spring Framework, Spring Boot, Maven

  • 5+ years working with Kafka (event-driven programming)

  • Strong knowledge of OOP, design patterns, multithreading, concurrency

  • Hands-on practice with Test-driven Development

  • Strong analytical, organizational, and planning skills

  • Fluent English

Would be a plus

  • Experience with LangChain, LangGraph, MVP, and other ML frameworks

  • Familiarity with CI/CD pipelines (Jenkins, Docker, Kubernetes)

We offer

  • Opportunity to work on bleeding-edge projects
  • Work with a highly motivated and dedicated team
  • Competitive salary
  • Flexible schedule
  • Benefits package - medical insurance, sports
  • Corporate social events
  • Professional development opportunities
  • Well-equipped office

About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

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    Grid Dynamics is an equal opportunity employer. We are committed to creating an inclusive environment for all employees during their employment and for all candidates during the application process.

    All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on, age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. All employment is decided on the basis of qualifications, merit, and business need.