Software Developer

Euronext Securities; Oslo; On-site; NOK 900,000 - 1,200,000; Full time

Job summary

Euronext Securities in Oslo is seeking a Senior Backend Developer to join the Settlement & Tax team. You will design and maintain backend services with Java/Kotlin and Spring Boot, and help build scalable, event-driven architectures.

You will implement RESTful APIs, collaborate across teams, contribute to CI pipelines, and improve observability. The ideal candidate has 5+ years in backend development and strong English communication.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering or related field.
• At least five years of backend development experience.
• Strong knowledge of Java or Kotlin and Spring Boot.
• Experience with event-driven architectures; Kafka is a strong plus.
• Familiarity with RESTful APIs and OpenAPI standards.
• Proficient in Git and CI pipelines.
• Excellent communication in English.

Responsibilities

• Develop, test, and maintain high-quality backend services using Java/Kotlin and Spring Boot.
• Design scalable, event-driven architectures.
• Build and integrate RESTful APIs aligned with OpenAPI standards.
• Collaborate with cross-functional teams to deliver new features and system enhancements.
• Troubleshoot and resolve application issues, ensuring optimal performance.
• Write clean, maintainable and testable code following best practices.
• Participate in code reviews and share knowledge with team members.
• Support unit testing and continuous integration pipelines.
• Use Git for version control and team collaboration.
• Contribute to observability setup (OpenTelemetry is a plus).
• Create and maintain clear technical documentation.

Skills

Java/Kotlin

Spring Boot

Event-driven

Git

Kafka

OpenTelemetry

Quarkus

REST APIs

English communication

SOLID/Clean Code

Education

Bachelor’s or Master’s degree in Computer Science or related field

Tools

Git

Kafka

OpenTelemetry

Quarkus

Job description

Are you ready to shape the future of capital markets?

We are looking for a Senior Backend Developer to join the Settlement & Tax team. The position will be based in Oslo, and start as soon as possible. You will report to the Engineering Manager, Alican Met.

You will primarily be responsible for:

• Developing, testing and maintaining high-quality backend services using Java/Kotlin and Spring Boot
• Designing and implementing scalable, event-driven architectures
• Building and integrating RESTful APIs aligned with OpenAPI standards
• Collaborating with cross-functional teams to deliver new features and system enhancements
• Troubleshooting and resolving application issues, ensuring optimal performance and responsiveness
• Writing clean, maintainable and testable code following best practices
• Participating in code reviews and sharing knowledge with team members
• Supporting unit testing and continuous integration pipelines
• Using GIT for version control and team collaboration
• Contributing to our observability setup (experience with OpenTelemetry is a plus)
• Creating and maintaining clear technical documentation

Your profile:

• Strong foundation in software engineering principles (e.g. Clean Code, SOLID, basic Domain-Driven Design)
• Familiarity with event-driven systems; experience with Kafka is a strong plus
• Proficiency in GIT and test-driven development
• Knowledge of or interest in observability practices (e.g. logs, metrics, tracing)
• Experience with Quarkus or similar frameworks is highly desirable
• Strong problem-solving skills and a team-oriented mindset
• At least five years of relevant experience in backend development
• Bachelor’s or Master’s degree in Computer Science, Engineering or a related field
• Excellent communication skills in English

Join a company where market infrastructure is built on innovation – and where every innovation starts with a bold mind asking, “What’s next?”. 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.

The Settlement & Tax team at 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. Join us and play a key role in advancing secure and resilient securities issuance and settlement.

Join Euronext – Shape capital markets for future generations
Euronext is the leading European capital market covering the entire capital markets value chain, from listing, trading, clearing, settlement and custody, to solutions for issuers and investors. We operate seven national stock exchanges, handling 25% of European lit equity trading. Our products include equities, FX, ETFs, bonds, derivatives, commodities and indices. Euronext also provides clearing and settlement services through Euronext Clearing and our network of Euronext Securities CSDs. In addition, Euronext runs MTS, one of Europe’s leading electronic fixed income trading markets, and Nord Pool, the European power market. The company has a diverse domestic and international client base.

• Kotlin

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Euronext Securities is a leading provider of post-trade services, and is the third-largest Central Securities Depository (CSD) operator in Europe. We operate the CSDs in Denmark, Italy, Norway, and Portugal and other European entities, offering domestic and international settlement, custody and issuance services and supporting our clients with value added services along the entire value chain; tax services, issuer services and data services. Euronext Securities is a part of Euronext, the leading pan-European market infrastructure, connecting European economies to global capital markets. Join us and play a key role in our adventure!