Python developer m/w/d

Markant Gruppe; Warszawa; On-site; PLN 100,000 - 140,000; Full time

Job summary

A dynamic tech company in Warsaw is seeking an experienced Python developer. You will specialize in data analysis and machine learning, working closely with cross-functional teams to enhance functionalities and deploy scalable AI/ML solutions. Ideal candidates will possess strong analytical skills and proactivity in process automation. Proficiency in Python and experience with various ML libraries are essential.

Qualifications

• Hands-on experience in designing, training, and deploying predictive models and analytical systems.
• Ability to collaborate closely with business departments.
• Strong analytical thinking and problem-solving skills.

Responsibilities

• Collaborate in interdisciplinary teams on developing functionalities.
• Participate in brainstorming and design sessions.
• Coach and provide feedback to team members.

Skills

Python Programming

Data Preparation and Processing

Modeling and Training

MLOps and Model Deployment

Data Analysis and Visualization

Working with Large Datasets

Version Control and Code Quality

Very good English skills

Tools

Docker

pandas

NumPy

scikit-learn

PyTorch

TensorFlow

FastAPI

Flask

Matplotlib

Seaborn

Plotly

Git

Job description

Overview

Experienced Python developer specializing in data analysis, machine learning, and model engineering. Possesses hands-on experience in designing, training, and deploying predictive models and analytical systems based on large datasets. Effectively combines programming expertise with analytical skills to build scalable AI/ML solutions and integrate them into production systems.

Collaborates closely with business departments to achieve the best customer benefit. Works in interdisciplinary teams on the development of new functionalities and improvements of existing features. Participates in brainstorming, specification and design sessions. Coaches, provides feedback and shares knowledge with the team and other developers. Works in a highly-motivated self-organized Scrum team.

Your Profile

Key Competencies

• Python Programming – proficient in libraries such as pandas, NumPy, scikit-learn, PyTorch, TensorFlow, Transformers
• Data Preparation and Processing – cleaning, exploration, feature engineering, dimensionality reduction
• Modeling and Training – regression, classification, neural networks, sequential models, embeddings
• MLOps and Model Deployment – Docker, REST APIs (FastAPI/Flask), integration with production systems
• Data Analysis and Visualization – Matplotlib, Seaborn, Plotly
• Working with Large Datasets – pipeline optimization, batch and stream processing
• Version Control and Code Quality – Git, unit testing, code review
• Very good English skills are mandatory

• Strengths
• Strong analytical thinking and problem-solving skills
• Experience in both research and commercial projects
• Independence and proactive approach to process automation and optimization
• Ability to communicate results in a way that is understandable to business stakeholders