AI and ML Engineer
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on developing a decision support system for investment analysts with emphasis on optimizing applications and databases. Core technologies include Python, TensorFlow, PyTorch, Scikit-learn, ETL and cloud tools like Spark, AWS (Lambda, Glue, SageMaker), and MLOps tools such as MLflow and Kubeflow. Responsibilities cover designing, implementing and optimizing ML/AI models, building scalable training and inference pipelines, production deployments, applying MLOps practices (CI/CD, monitoring, automated retraining, model registry), partnering with data engineering teams and providing technical mentorship. The position is offered as a contract. Benefits include private medical care, training budget, sports and language class subsidies, life insurance, flexible hours and remote work.

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AI and ML Engineer

Company: DataArt Poland sp. z o.o.

from: 8 October 2026
to: 7 November 2026
23 000 - 27 500 złnet (+ VAT)/ mth.B2B contract (full-time)
18 000 - 22 500 złgross/ mth.contract of employment
Offer parameters
level:mid • senior
working mode:remote • hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Python
TensorFlow
PyTorch
scikit-learn
Git
AWS
Apache Spark
Kubernetes

Optional technologies

Snowflake Data Cloud
Databricks
Microsoft Azure

Our requirements

  • 5+ years of professional experience in machine learning, AI engineering, or related fields.
  • Master’s degree in Computer Science, Machine Learning, Physics, or related field; PhD preferred.
  • Proficient in Python and ML frameworks such as TensorFlow, PyTorch, and Scikit-learn.
  • Strong understanding of algorithms, statistics, probability, and linear algebra.
  • Hands-on experience with data pipelines and ETL tools (e.g., Spark, AWS Lambda, AWS Glue).
  • Practical experience with cloud platforms, preferably AWS.
  • Solid software engineering fundamentals including version control (Git), testing, and design patterns.
  • Demonstrated success in deploying ML models into production at scale.
  • Familiarity with MLOps tools such as MLflow, Kubeflow, SageMaker, or Vertex AI.
  • Excellent analytical, problem-solving, and communication skills.
  • Ability to work autonomously and collaboratively within a fast-paced, cross-functional team environment.

Optional

  • Experience with agentic frameworks like LangChain or LangGraph

Your responsibilities

  • Design, implement, and optimize machine learning and AI models, including classification, regression, clustering, and agent tuning.
  • Experiment with the latest methods, frameworks, and architectures to enhance model performance and efficiency.
  • Develop robust, scalable ML pipelines for training, validation, and inference.
  • Deploy ML models into production environments (cloud or on-prem), ensuring high reliability, low latency, and scalability.
  • Apply MLOps best practices including CI/CD, monitoring, automated retraining, and model registry management.
  • Partner with data engineering teams to source, clean, and transform large datasets for model training and inference.
  • Ensure high data quality, perform feature engineering, and support real-time data integration processes.
  • Work closely with data scientists, software engineers, and product managers to align ML solutions with business goals.
  • Clearly communicate complex technical results to both technical and non-technical stakeholders.
  • Provide technical guidance and mentorship to junior ML engineers and data scientists.
  • Contribute to establishing team best practices, code reviews, and architectural decisions.

About the project

We are helping to develop a decision support system for investment analysts.
The project includes development, optimization, and speeding up applications and databases.
DataArt specialists work on the project in several areas related to the core business of the client.

This is how we organize our work

This is how we work

you develop several projects simultaneouslyyou have influence on the technological solutions appliedyou focus on product development

Team members

10-20 people:backend developertechnical leaderdata scientist

This is how we work on a project

  • code review
  • Continuous Deployment
  • Continuous Integration
  • documentation
  • test automation

What we offer

  • This is a contract position.

Development opportunities we offer

  • development budget
  • external training
  • intracompany training
  • mentoring
  • support of IT events
  • technical knowledge exchange within the company

Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • remote work opportunities
  • flexible working time
  • corporate products and services at discounted prices
  • integration events
  • coffee / tea
  • drinks
  • sharing the costs of tickets to the movies, theater
  • employee referral program
  • opportunity to obtain permits and licenses
  • extra leave

DataArt Poland sp. z o.o.

Our client is one of the world's largest investment funds that manages hundreds of billions of dollars.
The company's business is focused on several areas: private equity, venture capital, real assets, investment solutions, and global market strategies.
AI and ML Engineer
18k–22.5k zł / mth. (CoE), 23k–27.5k zł / mth. (B2B)
I apply to:
DataArt Poland sp. z o.o.
Warszawa, Masovian

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