Fullstack Developer | IT CIB

About Natixis in Portugal

Our workplace reflects the vibrant spirit of our locations, with initiatives such as a Green Transportation Budget, electric bikes and a flexible Hybrid Work Policy. We promote wellbeing through the Honolulu Wellness Club, a Prayer Room, a Lactation Room, and themed Villages that inspire creativity and collaboration. Through our ESG and DEI strategies, we are committed to being inclusive, caring, and fair, ensuring every voice is heard and valued.

Natixis in Portugal is a Centre of Expertise whose mission is to transform traditional banking by developing innovative solutions for the business, operations and work culture of Groupe BPCE worldwide.

As part of Groupe BPCE’s international division, Natixis in Portugal designs and delivers solutions for its two core areas – Corporate & Investment Banking and Asset & Wealth Management – as well as transversal services that support all entities across the Group.

With more than 3,000 employees representing 46 nationalities, the teams work across Information Technology, Banking Support Activities, and Compliance, in an integrated, inclusive, and cross-functional way, supporting all business lines and platforms of the Group.

A disruptive mindset and a culture of proximity and agility identify Natixis in Portugal Team and reflect the company's mission to transform traditional banking at a global scale: a perfect match in the Portuguese dynamics and entrepreneurial ecosystem.

Responsibilities

• As a Fullstack Developer, you will play a key role in the design, development, and maintenance of comprehensive web applications for the Corporate and Investment Banking (CIB).
• Fullstack Development: Designing and implementing solutions from the backend (server) to the frontend (client), covering diverse areas such as risk management, market analysis, financing, and operational efficiency.
• Contributing to the design of robust, scalable architectures, potentially integrating AI/ML components.
• Developing and maintaining APIs to ensure smooth communication between services.
• Designing database schemas, optimizing queries, and efficiently managing relational, NoSQL, and vector databases (e.g., PostgreSQL, SQL server…).
• Participating in CI/CD pipelines for application deployment, monitoring, and maintenance, as well as the industrialization of AI/Data solutions.
• Working within a distributed team (France & Portugal) following agile rituals (dailies, sprint planning, reviews, retrospectives).
• Applying high standards for code quality, documentation, version control (Git), and promoting best practices like TDD.
• Analyzing complex business problems and proposing effective technical solutions.
• Clearly presenting technical concepts and results to business and IT teams.

Requirements

• University degree (Bachelor's or Master's equivalent) in Computer Science, Software Engineering, or a related field.
• Frontend: Proficiency with JavaScript/TypeScript and modern frameworks (React, Angular, Vue.js).
• Proficiency with Python, .NET, Java, or Node.js.
• Experience with designing and developing RESTful APIs (e.g., FastAPI, Flask).
• Experience with relational databases (e.g., PostgreSQL) and ideally NoSQL/vector databases (e.g., pgvector, Milvus, Pinecone).
• Familiarity with CI/CD, Docker, Kubernetes.
• Experience with TDD, Git.
• Excellent analytical and critical thinking skills, problem-solving abilities, teamwork, adaptability to a collaborative and international environment.
• Strong verbal and written communication skills, ability to articulate technical concepts effectively.
• Professional fluency in English (oral and written).

Preferred

• Significant experience in Fullstack development, or Backend/Frontend with a strong aptitude for both.
• Experience in financial services is a plus.
• Knowledge of OpenShift and experience with cloud environments (AWS, Azure, GCP) are appreciated.
• Familiarity with RAG, AI agentic flows, LLMs, and frameworks like LangChain.
• Portuguese is a plus.