Lead Data Scientist & ML Architect — Hybrid Role

Digica; Łódź; Hybrid; PLN 180,000 - 300,000; Full time

Job summary

Digica, a company applying AI/ML to R&D for global clients, seeks an experienced Data Scientist who will also act as a Technical Lead. You will guide projects end-to-end—from client discussions and solution design to production deployment of ML models.

Responsibilities include designing and implementing CV/ML/AI models, selecting algorithms, deploying in production, data cleaning and feature engineering, mentoring juniors, and presenting results to stakeholders.

Qualifications

• 6–8+ years of professional experience in data analysis, statistical modeling, computer vision or machine learning, including at least 4 years as a Data Scientist.
• Hands-on experience deploying ML models to production, not just research-level familiarity.
• Strong proficiency in Python (NumPy, pandas, scikit-learn, matplotlib, pytorch).
• Understanding of Windows or Linux software development platforms.
• Excellent command of English – both written and spoken (international client communication, presentations).
• Expertise in at least one of the following domains: Computer Vision, Large Language Models (LLMs), Time Series Analysis.

Responsibilities

• Designing and implementing CV/ML/AI models (predictive, classification, LLM, recommendation systems, etc.).
• Selecting and optimizing algorithms (regression, tree-based models, neural networks, etc.).
• Integrating models into production environments.
• Performing data cleaning, feature engineering, and model validation.
• Identifying tools and specifying processes.
• Mentoring junior team members and contributing to solution architecture.
• Preparing and presenting analytical results to business and technical stakeholders.

Skills

Data analysis

Python programming

Leadership

English communication

Project management

Tools

TensorFlow

PyTorch

XGBoost

LightGBM

Git

Linux

Docker

MLflow

Airflow

AWS

GCP

Azure

SQL

Data visualization tools

Job description

Digica, a company applying AI/ML to R&D for global clients, seeks an experienced Data Scientist who will also act as a Technical Lead. You will guide projects end-to-end—from client discussions and solution design to production deployment of ML models.

Responsibilities include designing and implementing CV/ML/AI models, selecting algorithms, deploying in production, data cleaning and feature engineering, mentoring juniors, and presenting results to stakeholders.