Senior AI Engineer - finance industry (f/m/x)
We are looking for an experienced Senior AI Engineer to join a newly formed AI team delivering a strategic initiative in the banking sector. This is a unique opportunity to co-create a modern AI-native platform from scratch and influence the direction of AI within the organisation.
In this role, you will design and develop solutions based on LLMs, RAG systems, and agent-based architectures to support data integration and transformation processes. You will contribute to key decisions around AI strategy, model selection, architecture, and quality standards.
We are seeking a candidate with strong technical skills and hands-on experience in building production-grade AI solutions-someone who understands where AI brings real business value and can deliver high-quality, transparent, and secure solutions in a financial environment.
Your tasks
Design and develop solutions based on LLMs, RAG, and agent-based architectures
Co-create and execute an AI strategy for a modern banking platform
Select models, frameworks, and approaches for production-grade AI solutions
Build systems for data integration, transformation, and validation automation
Define prompt engineering, model evaluation, and AI quality standards
Develop monitoring, evaluation, and continuous improvement mechanisms
Collaborate with engineering and product teams on new features
Ensure high quality, transparency, and auditability of AI outputs
Contribute to key architectural decisions and AI direction
Mentor and share knowledge within the AI team
Requirements
At least 3 years in AI/ML and a minimum of 5 years in product development
Strong Python skills
Hands-on experience with LLMs, RAG, and agent-based systems in production
Familiarity with frameworks such as Agno, LangChain, LlamaIndex, or similar
Knowledge of prompt engineering and AI model evaluation
Experience with Azure or AWS
Understanding of vector databases and embeddings
Experience with workflow orchestration tools (e.g., Temporal, Prefect, Airflow)
Ability to design scalable, reliable AI solutions
Experience in model monitoring and MLOps practices
Capability to make architectural decisions and assess the business value of AI
Strong collaboration skills with technical and business stakeholders
Fluent English
Nice-to-have requirements
Previous work in financial services, fintech, or other regulated industries
Knowledge of compliance, auditability, and AI security
Familiarity with MLOps and large-scale ML/LLM deployments
Experience fine-tuning open-source models for specific domains
Proven track record in developing AI solutions for data platforms, analytics, or SaaS products
Background in AI R&D projects
Publications, conference speaking, or open-source contributions
Experience building and scaling technical teams
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
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
If you want to work on systems with high operational significance - apply now!