Senior Expert Software Engineer

Euroclear; Brussel; Hybride; EUR 70 000 - 90 000; Plein temps

Avantages offerts par ce poste

Competitive salary and comprehensive benefits

Learning and development opportunities

Hybrid working model

Résumé du poste

Euroclear in Brussels is seeking a skilled Senior Expert Engineer to drive impactful improvements in IT solutions for financial securities. Join a collaborative team, providing mentorship while enhancing code quality and system efficiency.

With a focus on technical leadership, you will support cross-functional initiatives and ensure production stability. A deep understanding of system architectures and experience with tools such as IBM Mainframe and Java are essential.

Qualifications

• Demonstrates continued technical growth and cross-functional collaboration.
• Ability to analyze and interpret business requirements.
• Guide the creation of scalable technical solutions.

Responsabilités

• Drive the design, architecture, and implementation of technical solutions.
• Provide mentorship and technical leadership to mid-level engineers.
• Support production activities and maintain production stability.

Connaissances

Solid experience as a software engineer

Deep understanding of software related system architectures

Solid knowledge of solution development principles

Strong command of English

Experience on major projects

Hands-on experience with tools such as IBM Mainframe, Java

Experience with event-driven architecture principles

Solid coaching and mentoring skills

Formation

10+ years in software engineering

Outils

IBM Mainframe

Java Development Stack

Event-driven architecture with Kafka

Azure Cloud

Description du poste

Job Description

Division: Group Business Solutions (GBS)

Your career opportunity: Join our Group Business Solutions (GBS) division, where we design and sustain IT solutions for financial market securities. Be part of a dynamic, collaborative team in a fast‑evolving environment, shaping the future of financial technology.

Ready to make an impact?

We’re seeking a skilled and proactive Senior Expert Engineer to strengthen our solutions and drive impactful improvements. You’ll collaborate across teams, provide guidance, and lead key initiatives in an innovative, growth‑oriented environment that ensures strong alignment between technology and business needs.

Your Day‑to‑day Mission

• Drive the design, architecture, and implementation of technical solutions, owning complex features and collaborating with senior developers and cross‑functional teams to deliver robust, scalable systems. Participate in the detailed design process, defining system scope and objectives for assigned projects. Contribute to supervising and validating the development process. Develop or modify procedures to solve complex problems, considering system capacity, performance constraints, and desired outcomes. Support testing teams during the various testing phases of projects and occasionally contribute to application testing activities.
• Provide strong mentorship and technical leadership to mid‑level engineers, guiding them through complex problem‑solving, contributing to the growth and technical maturity of the team.
• Guide ideation workshops by setting the tone, bringing together complex insights, and helping teams shape high‑impact ideas to improve product functionality. Drive the definition, estimation, and validation of complex technical requirements for multi‑team features. Anticipate dependencies, improve planning accuracy, and guide teams toward predictable, high‑quality delivery through strong technical judgment and cross‑team collaboration.
• Maintain production stability by independently leading technical investigations, delivering durable fixes. Proactively identify and resolve systemic issues to strengthen operational resilience. Support production activities (including off‑hours).
• Promote and refine best practices and coding standards within the team, applying a strong understanding of system requirements and existing business processes. Contribute to and help lead continuous improvement initiatives that enhance code quality and overall engineering effectiveness.

Work outside of business hours is sometimes required as launches in production are generally carried out after 5PM or on Saturday or Sunday as well as watch duty during nights and weekends.

What you need to have to succeed in this role:

• Solid experience as a software engineer (at least 10 years).
• Deep understanding of software related system architectures and designs.
• Solid knowledge of solution development and design principles.
• Demonstrates strong ability to analyze and interpret business requirements, anticipate technical implications, and guide the creation of well‑designed, scalable technical solutions.
• Demonstrates continued technical growth, effective cross‑functional collaboration, and growing ownership of cloud migration, AI integration, automation, Infrastructure as Code, CI/CD pipelines, engineering best practices, and collaborative delivery.
• Solid coaching and mentoring skills.
• Strong command of English, both spoken and written.
• Experience on major projects and complex / large‑scale systems.
• Hands‑on experience with tools such as:
• IBM Mainframe: PL/I, DB2, MQ, CICS
• Java or .Net development stacks as well as a good command of APIs, Integration mechanisms and Data technologies.
• Experience with event‑driven architecture principles and its implementation with Kafka.
• Experience with private cloud technologies (Azure).
• Nice to have:
• Experience with Linux Java development stack & IntelliJ IDEA, Eclipse, JDK, Javac/Java commands, Maven, Gradle, IDE environments, JUnit, Git, Docker, CI/CD pipelines (Jenkins, GitHub Actions), Prometheus, Grafana, OpenTelemetry, VisualVM, JFR, Kubernetes, Azure Cloud, AWS, GCP, VPC/VNet, CLI, Visual Studio, Oracle, CSS, SSIS, APIs, MQ Series, Linux, Togaf, CoBit.
• Experience with programming languages such as: Angular, C#, .NET, ASP.NET Core, Java, Spring Boot, SQL, REST, COBOL, Perl, PHP, Python, PowerShell.

What Makes You Stand Out

• Solid Knowledge of Agile methodologies.
• A continuous learning and innovation mindset and drive for continuous improvement.
• Experience in the Financial Services industry and the related regulatory environment.
• Background in Machine Learning, Data Science, or Generative AI is a valuable asset.

We welcome applicants from all backgrounds and experiences. If you meet most of the requirements and are excited about the role, we encourage you to apply.

Please note that this is a permanent position, and we do not offer freelance or contract arrangements for this role.

What We Offer

• Work closely with inspiring, supportive and engaged colleagues from more than 80 different countries.
• Practice your talents in a highly professional international environment.
• Join a learning and development environment with an emphasis on knowledge sharing and training.
• Competitive salary and comprehensive benefits.

Ways of working

Find your own optimal balance within our hybrid working model, where you can connect at the office 8 days a month and also benefit from remote working.

Great Place to Work for All

We are committed to creating an inclusive culture that celebrates diversity and strives to be a Great Place to Work for All. All qualified applicants will be considered for employment, regardless of any aspect that makes them unique (including race, religion, national origin, gender, sexual orientation, age, marital status, pregnancy, disability, ...). If you need any specific accommodation due to disability or any other reason, you can let the recruiter know during your application process. Our values guide how we work together and shape our future: Our mission and values - Euroclear.

About The Team

The Group Business Solutions (GBS) division ensures the competitiveness of Euroclear by delivering reliable and sustainable IT solutions for the financial securities markets. Our technical teams deliver new IT solutions and improve existing applications for both our internal and external clients. We deploy changes into the production environment in a controlled and structured way that doesn't compromise production stability and we ensure applicative production support.