Remote Senior Machine Learning Engineer (NLP/LLMs)

Tidio Poland; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading customer service platform in Warsaw seeks a (Senior) Machine Learning Engineer to join a dynamic team. This role involves developing and enhancing conversational AI products, utilizing strong skills in NLP and deep learning. Candidates should have over 4 years of relevant experience, proficient in Python, and familiarity with frameworks like PyTorch. Enjoy benefits such as a sport subscription, training budget, private healthcare, and a modern office atmosphere free of dress code. Applicants must possess excellent English communication skills.

Benefits

Sport subscription

Training budget

Private healthcare

Mental well-being programme

Modern office

English lessons

Free coffee and snacks

Qualifications

• 4+ years of experience in end-to-end NLP and deep-learning model development.
• Expert knowledge of Python and experience with ML frameworks.
• Strong software engineering and deployment skills.

Responsibilities

• Join a high-impact Machine Learning team.
• Build and refine conversational AI products.
• Collaborate with engineers and product leaders.

Skills

NLP and deep-learning model development

Python

PyTorch

Hugging Face

FastAPI

Flask

REST APIs

MLOps tools

Git

Agile

Kanban

English communication

Job description

About Tidio

Tidio is a customer‑service platform that combines AI and people to help businesses scale without losing trust or the human touch. We are one of the world’s leading AI customer‑service solutions, ranked 4.7/5 on both Shopify and G2, and we received a 10 million PLN grant to fine‑tune open‑source models.

Key facts:

• Top 50 AI & Customer Service Products in G2’s Best Software Awards 2024
• Our widget is viewed by 350 million unique users monthly (4 % of the global population)
• We employ 150+ people and grow our team rapidly
• We pioneered the Lyro AI agent for customer service

Job Overview

You will join a small, high‑impact Machine Learning team as a (Senior) Machine Learning Engineer. Working closely with engineers and product leaders, you will ideate, build, and refine conversational AI products that power our global platform. This role offers the chance to transform your passion for machine learning into world‑class products that deliver real value to millions of users.

Qualifications & Experience

• 4+ years of end‑to‑end NLP and deep‑learning model development in production environments, including LLM‑based systems (Claude, GPT, Gemini)
• Expert knowledge of Python
• Hands‑on experience with PyTorch / Hugging Face and other ML frameworks
• Strong software engineering skills and deployment experience (FastAPI, Flask, REST APIs)
• Proficiency in MLOps tools, Git, Agile, Kanban
• Strong passion for self‑development and staying current with industry trends
• Team‑player mindset and excellent English communication skills
• Evidence of ownership, problem‑solving and effective communication

Extra Points

• MLOps experience

Benefits

• Sport subscription, training budget, private healthcare, mental well‑being programme
• Modern office, flat structure, small teams, startup atmosphere, no dress code
• English lessons, free coffee, snacks, beverages, and a supportive environment