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Machine Learning Engineer (Contract)

Posted 11 days ago

OfficeWarsaw, Masovian Voivodeship, Poland

Job Description

  • Develop and integrate ML and NLP models for intelligent assistant features
  • Build agentic workflows using LangChain, LangGraph, or similar frameworks
  • Prototype user interfaces and internal tools using Streamlit or Gradio
  • Collaborate with engineering and product teams to plan and deliver ML-driven features
  • Manage development and runtime environments using Docker
  • Use Git for version control and maintain clean, well-structured code
  • Query structured data using SQL
  • Contribute to model deployment and operations in a cloud environment (primarily Azure)

Qualifications

  • 3+ years of experience in a similar position
  • Proficient in Python, with experience in building data pipelines and interacting with APIs
  • Experience with agentic AI frameworks such as LangChain or LangGraph
  • Solid understanding of ML and NLP, especially transformer-based architectures (e.g., BERT, GPT)
  • Hands-on experience with ML frameworks (e.g., PyTorch, TensorFlow)
  • Familiarity with prototyping tools such as Streamlit or Gradio
  • Experience with engineering best practices: Git, Docker, cloud basics, task estimation
  • Working knowledge of SQL
  • Upper-Intermediate level of English (both written and spoken)

Additional Information

PERSONAL PROFILE

  • Strong analytical and problem-solving skills
  • Ability to work independently and in a team
  • Adaptability to changing project requirements
  • Attention to detail
  • Proactive communication style
Job details
Workplace
Office
Location
Warsaw, Masovian Voivodeship, Poland
Sigma Software logo
Sigma Software
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Sigma Software development company offers turnkey solutions development and software development teams. Learn how our 1800+ software experts can support a project.

Employees
1602
Industry
Software Development
Headquarters
Stockholm
Founded
2002
Specialties
IT Consulting, Java, Flash/Flex, PHP, .NET development, Web development, Software Development, Mobile Development, Graphic Design, AR/VR Development, Embedded Development, Software Testing, AI Solutions Development, Custom software solutions development, and Dedicated software teams

Key team members

Vlad Beck

Vlad Beck

Valery Krasovsky

Valery Krasovsky

Alexander Alexandrov

Alexander Alexandrov

Yevgen Yakovlev

Yevgen Yakovlev

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