
Full Stack AI Developer
xntltd • Warszawa, Masovian Voivodeship, Poland
Posted: February 24, 2026
Job Description
About the Role
Are you passionate about leveraging AI to transform operations in the brokerage industry? Do you thrive in dynamic environments where innovation and flexibility are paramount? Join us as an AI Developer to spearhead strategic initiatives, enhance our operations, and drive the future of brokerage technology.
Reporting Line: Head of Client Services
Worksite: Remote
Responsibilities
- Assess the existing IT backlog and companywide initiatives to identify opportunities to integrate AI-driven solutions. Work closely with the IT team to understand existing systems and propose AI-driven alternatives.
- Develop strategies to integrate AI/ML solutions into our trading platforms and internal operations without compromising security.
- Utilise machine learning to alleviate pressure and streamline processes within counterparty onboarding, order categorisation, client experience, client data metrics, etc.
- Develop and implement algorithms for data cleansing, preprocessing, and feature engineering.
- Utilise machine learning, statistical analysis, and predictive modelling to extract valuable insights from large datasets.
- Monitor and evaluate the performance of AI/ML models and algorithms in production and continuously iterate to improve their accuracy, efficiency, and scalability.
Qualifications
- Strong programming skills in languages such as Python, Java, or C++.
- Strong understanding of machine learning techniques and frameworks.
- Experience with data preprocessing, feature engineering, and model evaluation.
- Familiarity with deep learning frameworks like PyTorch or TensorFlow.
- Experience with RAG models (embedding, reranking) is a plus.
- Familiarity with developing custom AI models and algorithms.
Personality / Mindset
- Curious about how markets move and what makes audiences tick.
- Sharp on detail, but never loses sight of the bigger story – or your audience.
- Energised by complex topics and how to communicate them.
- Hands on, can do. You’re a self-starter with the confidence to kick things off and get working.
- Comfortable challenging assumptions and suggesting better ways to say things.
- Collaborative by instinct, you enjoy working with designers, analysts, and subject experts.
- Calm under pressure; you thrive in fast-moving, international environments.
- Driven by impact: you want to see your work shift perceptions and performance.
We Offer*
- Competitive salary
- Corporate benefits (choose your preferred options)
- Truly inspiring culture, pleasant and informal work environment
- Ongoing education & training programs
- Opportunity to network and connect at Corporate Events
- Global career opportunities
*Benefits/perks can vary depending on the nature of your employment with the company and the country where you work.
Additional Content
About the Role
Are you passionate about leveraging AI to transform operations in the brokerage industry? Do you thrive in dynamic environments where innovation and flexibility are paramount? Join us as an AI Developer to spearhead strategic initiatives, enhance our operations, and drive the future of brokerage technology.
Reporting Line: Head of Client Services
Worksite: Remote
Responsibilities
- Assess the existing IT backlog and companywide initiatives to identify opportunities to integrate AI-driven solutions. Work closely with the IT team to understand existing systems and propose AI-driven alternatives.
- Develop strategies to integrate AI/ML solutions into our trading platforms and internal operations without compromising security.
- Utilise machine learning to alleviate pressure and streamline processes within counterparty onboarding, order categorisation, client experience, client data metrics, etc.
- Develop and implement algorithms for data cleansing, preprocessing, and feature engineering.
- Utilise machine learning, statistical analysis, and predictive modelling to extract valuable insights from large datasets.
- Monitor and evaluate the performance of AI/ML models and algorithms in production and continuously iterate to improve their accuracy, efficiency, and scalability.
Qualifications
- Strong programming skills in languages such as Python, Java, or C++.
- Strong understanding of machine learning techniques and frameworks.
- Experience with data preprocessing, feature engineering, and model evaluation.
- Familiarity with deep learning frameworks like PyTorch or TensorFlow.
- Experience with RAG models (embedding, reranking) is a plus.
- Familiarity with developing custom AI models and algorithms.
Personality / Mindset
- Curious about how markets move and what makes audiences tick.
- Sharp on detail, but never loses sight of the bigger story – or your audience.
- Energised by complex topics and how to communicate them.
- Hands on, can do. You’re a self-starter with the confidence to kick things off and get working.
- Comfortable challenging assumptions and suggesting better ways to say things.
- Collaborative by instinct, you enjoy working with designers, analysts, and subject experts.
- Calm under pressure; you thrive in fast-moving, international environments.
- Driven by impact: you want to see your work shift perceptions and performance.
We Offer*
- Competitive salary
- Corporate benefits (choose your preferred options)
- Truly inspiring culture, pleasant and informal work environment
- Ongoing education & training programs
- Opportunity to network and connect at Corporate Events
- Global career opportunities
*Benefits/perks can vary depending on the nature of your employment with the company and the country where you work.