Senior AI Software Engineer

About the role

Join Euronext as a Software Developer focused on AI and .NET. You will play a key role in designing and implementing new functionalities to support the delivery of core trading applications used across Euronext markets, international markets and multilateral trading facilities (MTFs). You will bring expertise in both software development and artificial intelligence, contributing to the evolution of our technology landscape. You will be primarily responsible for: Translating business requirements into functional applications and innovative artificial intelligence (AI) and large language model (LLM) solutions Designing, fine-tuning, deploying and optimising AI and machine learning (ML) models for real-world applications Developing and refining prompts for LLM-based solutions (prompt engineering) and experimenting with model parameters Creating proofs of concept for research and development using notebooks (such as Jupyter) and analysing complex datasets Ensuring AI governance, implementing guardrails, tracing and secure usage best practices Designing scalable, cloud-native architectures and integrating AI solutions into .NET applications Collaborating with cross-functional teams, conducting code reviews and mentoring team members Your profile: Bachelor's or Master's degree in computer science, engineering or a related field At least five years' hands-on experience in C# and .NET/.NET Core, with solid knowledge of database and scalable system design Minimum two years' experience in machine learning, generative AI or data science, with proficiency in Python Practical experience with AI model fine-tuning, prompt engineering and LLM frameworks/tools (such as GPT, Transformers, Hugging Face) Strong experience with cloud platforms, ideally AWS (SageMaker, Bedrock) or Azure equivalents Experience with containerisation (Docker, Kubernetes) and DevOps/CI/CD pipelines Solid understanding of trusted AI practices, API security, AI guardrails and data privacy Excellent problem-solving skills, Agile/Scrum proficiency and fluent English Desirable: Relevant cloud or AI certifications (AWS/Azure), experience building production-grade AI solutions, exposure to MLOps and AI governance frameworks Working with us means: Joining a collaborative and innovative team at the forefront of capital markets technology Access to continuous learning and professional development opportunities Contributing to impactful projects in a dynamic, international environment Apply by submitting a CV in English. About Euronext Corporate Solutions Join Euronext Corporate Solutions helping companies navigate the complexities of the capital markets. Euronext Corporate Solutions, part of the Euronext Group, offers software and tailor-made advisory services spanning investor relations, communication, governance and compliance. We are proud to be an equal opportunity employer. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect. Euronext Values Unity - We respect and value the people we work with - We are unified through a common purpose - We embrace diversity and strive for inclusion Integrity - We value transparency, communicate honestly and share information openly - We act with integrity in everything we do - We don't hide our mistakes, and we learn from them Agility - We act with a sense of urgency and decisiveness - We are adaptable, responsive and embrace change - We take smart risks Energy - We are positively driven to make a difference and challenge the status quo - We focus on and encourage personal leadership - We motivate each other with our ambition Accountability - We deliver maximum value to our customers and stakeholders - We take ownership and are accountable for the outcome - We reward and celebrate performance We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect. Additional Information This job description is only describing the main activities within a certain role and is not exhaustive. It does not prevent to add more tasks, projects.

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