We are looking for a Software Developer with strong expertise in Java backend development and Artificial Intelligence engineering to join our Issuance, Custody & Data domain in Porto.

The ideal candidate will contribute to the design, development, and evolution of mission-critical systems supporting post-trade processes, while actively driving the adoption of AI-driven solutions to improve efficiency, automation, and data insights.

This role requires a balance between robust engineering practices and innovation, with a focus on scalability, reliability, and high-quality software delivery in a regulated financial environment.

Key Responsibilities

Software Development

• Design, develop, and maintain high-performance Java-based backend applications
• Contribute to system architecture and technical design decisions
• Ensure code quality through best practices (testing, code reviews, CI/CD)
• Support modernization and transformation of legacy systems

AI & Data Engineering

• Design and implement AI/ML solutions (e.g., predictive models, NLP, automation use cases)
• Integrate AI capabilities into enterprise systems and data pipelines
• Work with structured and unstructured datasets to extract business value
• Collaborate with data engineers and AI champions to define and deliver use cases

System Integration & Domain Contribution

• Develop APIs and integrate services across platforms
• Contribute to data platforms and data-driven architectures
• Support convergence initiatives across multiple markets and systems

Collaboration & Continuous Improvement

• Work closely with cross-functional teams (Product Owners, Architects, UX/UI, Data teams)
• Participate in agile ceremonies and contribute to continuous improvement
• Promote engineering excellence and knowledge sharing within the team

Required Skills & Experience

Technical Skills

• Strong experience in Java backend development (Spring / Spring Boot preferred)
• Solid understanding of microservices architecture and API design
• Experience with AI/ML frameworks (e.g., Python, TensorFlow, PyTorch, or similar)
• Knowledge of data processing and pipelines (SQL, NoSQL, streaming technologies)
• Familiarity with cloud platforms and containerization (Docker, Kubernetes)
• Experience with CI/CD tools and DevOps practices

Additional Valuable Skills

• Experience with Generative AI / LLM integration
• Knowledge of financial services or post-trade systems (nice to have)
• Understanding of distributed systems and event-driven architectures

Soft Skills

• Strong analytical and problem-solving mindset
• Ability to work in an international and collaborative environment
• Proactive attitude and ownership of deliverables
• Clear communication skills in English
• Passion for innovation and continuous learning

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
• Relevant professional experience in software development and/or AI engineering

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.