Junior Java & Oracle Developer

Join Euronext as a Junior Java & Oracle Developer

Are you ready to shape the future of capital markets?

We are looking for a Junior Java Developer to join the Euronext Securities Technology team in Porto. In this role, you will collaborate with distributed teams across Europe and work closely with Euronext Securities units. You will have the opportunity to contribute to the development and evolution of critical systems, using AI-driven tools and modern engineering practices, while learning from experienced professionals. You will report to the Local CTO & Head of Software Factory.

You will primarily be responsible for:

• Supporting the design, development and maintenance of distributed systems using Java in a regulated environment
• Providing technical support for existing applications, including troubleshooting and resolving issues
• Assisting with the implementation and integration of service-oriented architectures, including event-driven and event streaming solutions such as Kafka and ActiveMQ
• Working with containers and platforms such as Kubernetes or OpenShift under the guidance of senior team members
• Assisting with database and storage solutions, including Oracle, PostgreSQL, MongoDB, Redis or Elasticsearch
• Supporting the development and maintenance of REST APIs and system integrations
• Contributing to observability through monitoring, logging and alerting
• Applying AI-driven development practices to enhance productivity and quality

Your profile:

• Academic background or initial experience in Java development, ideally through enterprise or academic projects
• Interest in distributed and service-oriented architectures
• Exposure to or willingness to learn about Kubernetes, OpenShift, Kafka, ActiveMQ, enterprise job schedulers (e.g. Quartz), and modern database/storage technologies such as Oracle and PostgreSQL
• Basic knowledge of REST APIs, system integration and observability practices
• Interest in AI-driven development and willingness to learn new tools and practices
• Strong problem-solving and analytical skills
• Good communication and teamwork abilities
• Fluency in English, both spoken and written
• Desirable: Any experience or coursework in financial services, capital markets, post-trade systems, regulated or high-availability environments, or large-scale digital platforms

Apply by submitting a CV in English.

At Euronext, we believe change is a starting point, not an obstacle. We look for people who see growth opportunities, think long term, and want to help shape capital markets for future generations. Working with us means:

• Being part of a European, international and diverse team – Collaborate across borders with talented colleagues connected by a shared ambition and purpose.
• Learning as you grow – Develop your skills through continuous learning, real responsibilities and flexible career paths that evolve with you.
• Having an impact – Contribute to projects that matter, in an agile and dynamic environment where your ideas help drive progress.
• Driving sustainability – Play an active role in building transparent, responsible and sustainable capital markets for the long term. Together, we do not just support markets – we help shape their future.

Euronext Securities is at the forefront of post-trade services and one of the largest Central Securities Depository (CSD) operators in Europe. We deliver cutting-edge settlement, custody and issuance services for both domestic and international markets, supporting clients throughout the entire value chain.

Find out more about us at: Euronext.com