Senior AI Engineer

Who we are

flatexDEGIRO AG operates the leading and fastest growing online brokerage platform in Europe. Based on modern in-house state-of-the-art technology customers of the flatex and DEGIRO brands are offered a wide range of independent products with execution on top TIER 1 exchanges. The technological edge high efficiency and strong economies of scale enable us to continuously improve our service offering for clients and to set leading standards in terms of product price and platform quality.

With more than 3 million customer accounts and more than 63 million securities transactions processed in 2024 flatexDEGIRO is the largest retail online broker in times of bank consolidation growing digitalization and the immanent need of millions of Europeans to take their financial future into their own hands flatexDEGIRO is ideally positioned for further profitable growth.

Want to know what its like to work for flatexDEGIRO

Check out our Instagram @lifeatflatexdegiro and meet the great people that makes us who we are! Do you already see yourself as part of this team Apply!

The Senior AI Engineer will play a pivotal role in transforming early AI experimentsincluding RAG pipelines LLM-based solutions and proof-of-concept modelsinto secure scalable and production-ready services. Acting at the intersection of Data Science and DevOps this role builds and operates the technical backbone that allows AI prototypes to be evaluated optimized deployed and monitored reliably across our on-prem infrastructure in line with strict IT governance and regulatory standards.

This is what youll do:

• Design build and maintain CI/CD pipelines and Helm-based deployment frameworks for AI and machine learning services running on on-prem infrastructure.
• Package deploy and operationalize retrieval-augmented generation (RAG) applications LLM-based services and other AI workloads as reproducible scalable components.
• Run hands-on evaluation benchmarking and prototyping of LLMs embeddings vector stores and prompt-engineering approaches to inform production decisions.
• Develop robust monitoring observability evaluation and automatic rollback mechanisms to ensure stable operations of AI workloads in production-like environments.
• Build and maintain integration layers (APIs connectors) between AI systems data pipelines and other corporate applications.
• Support the full AI/ML model lifecyclefrom experimentation and validation to production hardening and handoverusing DevOps and MLOps best practices.
• Collaborate with security architects and IT operations to align AI deployments with infrastructure compliance and risk management frameworks.
• Assist in extending AI capabilities to governed cloud environments such as Microsoft Copilot Studio or Azure OpenAI where appropriate.

Youll bring us these skills:

• 610 years of experience in software engineering data engineering or applied machine learning within a corporate or regulated IT environment.
• Strong experience designing and automating CI/CD pipelines (GitLab Jenkins Azure DevOps).
• Hands-on experience with Helm Kubernetes Docker and containerized application deployment.
• Practical experience with RAG architectures LLM-based systems vector databases and frameworks such as LangChain or similar.
• Ability to run evaluations benchmarks and rapid prototypes of LLMs embeddings and AI workflows.
• Strong proficiency in Python and scripting for automation orchestration and system integration.
• Understanding of on-prem AI infrastructure enterprise-grade hardware platforms and hybrid (on-prem cloud) environments.
• Solid grasp of security governance and data privacy requirements in regulated financial environments.

Interested This is what we offer you:

• Promise of a good work-life balance
• 30 days paid leave
• Personal and professional development with access to relevant courses
• Opportunities for career development
• Additional health insurance Luxe package (covering children under 18 dental and vision care)
• Best Doctors health insurance providing access to the best medical treatment worldwide
• A challenging full-time job in an international and fast-growing company;
• A competitive salary
• Food vouchers
• The opportunity to participate in a new enthusiastic team of likeminded professionals

To make your life easier

You get the freedom to work flexible. Meaning you dont have to work in our office every day but we like it if you do of course! Its fun to come in and mingle with your colleagues. There is also fruit good coffee drinks & snacks every day. Our beautiful and modern office is located in the iconic Millennium Center Building at the heart of Sofia that is conveniently next to Nation Palace of Culture (NDK) station.
To make working from home comfortable we offer a 50 BGN internet allowance provide a company laptop and many options to make your comfortable such as a chair screen and headphones. And last but not least: a fully covered Sports card we provide is an easy way to get into shape!

Want to invite your friends to work for us as well A generous referral bonus will be yours if they get hired so spread the word once you start.

All qualified applicants will receive consideration for employment without regard to ethnicity color religion age sex national origin disability sexual orientation gender identity/expression or any other legally protected status. flatexDEGIRO is an Equal Opportunity Employer.

flatexDEGIRO Sofia Branch
Petar Patev
Corporate Recruiter