Fullstack Developer - AI and API Platform Portal

Job ID: 5934

Fullstack Developer - AI and API Platform Portal (permanent position)

Welcome to Group Technology, where we pride ourselves on engineering solutions and direct Nordea’s transformation by providing a holistic technological view and structured understanding of the bank, and its surrounding environment to enable the Customer Vision and the Business Strategy.

As part of Nordea’s 2030 strategic direction, we are modernizing our technology and data estate while accelerating the adoption of AI-enabled capabilities across the bank. We are looking for a Fullstack Developer to join our team and help develop the self-service portal that supports onboarding and management of services across our Kong AI and API platform capabilities. The role includes building backend and frontend services, developing custom integrations and improving the developer experience for teams using the platform. 

Nordea is a place where traditions meet tomorrow. We're not just a bank, we're a tech employer on a mission to evolve finance securely and responsibly. Together, we impact millions of people’s daily lives by ensuring they can access our solutions anytime, anywhere, while safeguarding their personal data and wealth. Join us in making an impact on the banking industry.

About our team

In the Integration and AI engineering team, we build self-service capabilities that help teams across Nordea integrate with core platforms such as Kafka and Kong, making it easier to onboard, manage and operate services securely and efficiently. These capabilities are key enablers for the bank, supporting scalable API and event-driven integration while improving developer experience. We are now extending the same self-service approach to AI-related integration patterns, including LLMs, MCP and A2A. 

The team works closely with DevOps engineers, developers, UI/UX designers, product owners, architects, and platform stakeholders to deliver production-ready capabilities. You will join a collaborative engineering environment where quality, automation, security and developer experience are central to how we work. 

This is a full-time permanent position with a hybrid working location in either Helsinki, Finland, or Gdańsk, Poland.

Main responsibilities in this role: 

• Developing and maintaining backend and frontend components of the self-service portal, and implementing new capabilities. 
• Building backend services using Spring Boot.
• Creating frontend features with React, TypeScript, and Material UI.
• Developing and troubleshooting integrations between the gateway and internal applications or external vendors.
• Designing and consuming REST APIs to ensure reliable, maintainable, and well-structured service interfaces.
• Collaborating with cross-functional teams to deliver high-quality platform capabilities.
• Contributing to future AI-driven features and integrations within the platform, supporting LLMs, MCP, and A2A.

Who you are

This is the right role for you if: 

• You are a hands-on fullstack developer: you enjoy working across backend and frontend development and care about building useful, reliable and maintainable software.
• You understand integration patterns: you have experience building and consuming REST APIs and working with integrations between applications, platforms and vendors.
• You are curious about AI: you have experience or interest in AI technologies and integration with LLMs, MCPs, and A2A.

Your background and skills include

Education:

• BSc or MSc in Computer Science, Engineering, Software Development, or a related field (or equivalent practical experience)

Experience:

• Professional experience as a fullstack, backend, or frontend developer

Technical skills (must have):

• Spring Boot
• TypeScript
• React
• Building and consuming REST APIs 

Technical skills (nice to have):

• PostgreSQL  
• Kubernetes  
• Experience with AWS, GCP or Azure infrastructure  
• Kong API Management 
• Material UI (MUI)
• Experience or interest in AI-related technologies and integrations, such as: Large Language Models (LLMs), AI-powered user experiences and automation, Model Context Protocol (MCP) or similar AI integration patterns.

What we offer

Collaboration. Ownership. Passion. Courage. These are the values that guide us in how we work and how we make decisions – and that we imagine you share with us.

People are driven by many different factors. For some, it’s to take their career to the next level. For others, it’s to break new ground within their area of expertise – in other words, with us, you will always move forward.

A culture that fosters performance and growth in one of the largest Nordic banks, offering various opportunities to evolve, develop and learn from brilliant colleagues with diverse backgrounds in a vibrant working environment.

Hybrid working model – we believe in the value of bringing people together and at the same time we embrace the freedom of flexibility.

Diversity and inclusion are a natural part of our daily work. We know that an inclusive workplace is a sustainable one. We genuinely believe that our diverse backgrounds, experiences, characteristics and traits make us stronger together. Every day we strive to find new ways to improve diversity and inclusion within our community e.g. we have signed the European Diversity Charters in the countries where we operate to show our commitment and engage with others to continue learning and improving.

If this sounds like you, get in touch!