Python Developer with AI

Data

Żwirki i Wigury 16A, Warszawa

Pretius

25 200 - 35 280PLN

Net per month - B2B

Full-time

B2B

Senior

Remote

Tech stack

ML/AI

advanced

Langchain

advanced

English

advanced

Python

advanced

NumPy

regular

Pandas

regular

AI architectures

regular

SQL

regular

Job description

At Pretius we are looking for Python Developer with AI to a project in the financial industry, international team.

Location: remote

Salary: 150-210 pln netto/h

Project / Role

• Build and validate intelligent assistants with cutting-edge LLMs (e.g., GPT-4, Falcon 2, LLAMA 3, Mixtral) using techniques like RAG and agent frameworks (e.g., Langraph, CrewAI)
• Recommend technical approaches and architectures for business challenges
• Implement efficient Python-based data pipelines for AI model training and deployment
• Communicate insights to both technical and non-technical audiences
• Contribute to project documentation

Requirements

• 4+ years of relevant experience
• Proficiency in Python and LLM frameworks (e.g., Langchain)
• Experience with transformer-based models and large datasets (e.g. Pandas, NumPy, SQL)
• Strong knowledge of ML/AI concepts: types of algorithms, machine learning frameworks,model efficiency metrics, model life-cycle, AI architectures
• Experience with data engineering, including preprocessing, transformation, and pipeline automation
• Fluent in English (C1)
• Nice to have: Familiarity with cloud-based ML services (AWS, Azure, GCP)

What we offer?

• We focus on long-term relationships based on fair principles and reliability
• Co-financing of the Multisport card and Medicover private healthcare
• Modern office available
• Team bonding activities, internal courses, conferences, certifications

Published: 09.08.2025

Office location