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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on banking systems and deploying advanced AI solutions in the financial domain. Required expertise includes machine learning, deep learning, NLP, time series, recommender systems and ability to deliver production-ready code. Responsibilities cover designing, prototyping and evaluating AI/ML solutions, building and maintaining libraries and frameworks, scaling production ML systems, leading cross-team initiatives and representing the company at conferences. Requirement: 5+ years of AI/ML experience and fluency in English.
from: 2 November 2026
to: 2 December 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:hybrid • full office
Warszawa, Mokotów
Requirements
Expected technologies
Natural Language Processing
Deep Learning
Python
Optional technologies
SQL
Apache Spark
Docker
Kubernetes
AWS
Microsoft Azure
Google Cloud Platform
Our requirements
- Minimum 5 years of experience as an AI/ ML Researcher or in a similar role
- Solid experience in AI/ML domains, such as machine learning, deep learning, NLP, information retrieval, time series, or recommender systems
- Strong programming skills and the ability to write production-ready code
- Proven background in researching, prototyping, and evaluating AI/ML solutions
- Experience working with complex data challenges in regulated industries (finance experience is a plus)
- Openness to hybrid work from the Warsaw office
- Fluency in English, both written and spoken, is required
Your responsibilities
- Working closely with cross-functional teams to improve and scale production machine learning systems and applications
- Designing, prototyping, and evaluating AI/ML-driven software solutions
- Building, validating, and maintaining robust, production-quality code
- Developing libraries and frameworks that enable reliable, well-tested systems
- Demonstrating technical leadership by managing cross-team initiatives
- Representing the company at industry conferences and within open-source communities
About the project
For our client in the banking industry, we are seeking an Applied Machine Learning Researcher who will join a high-impact Applied AI research team.
In this role, you will play a key part in driving the adoption of cutting-edge AI and Machine Learning technologies across the organization. You will work on impactful initiatives that combine research and practical implementation, helping solve complex and unique challenges present within the financial domain.
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Applied Machine Learning Researcher (f/m/x)
I apply to:
Sii Sp. z o.o.
Warszawa, Mokotów
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