π Join the Smile Adventure in Brussels: Shape the Future of Digital Banking & Data
Smile is the European leader in open-source consulting and integration. We support major market players in their digital transformation by delivering high-performance, innovative, and responsible solutions.
As part of a strategic partnership within a large-scale international financial environment, we are strengthening our teams in Brussels. We are looking for top-tier experts capable of blending technical mastery, business vision, and an Agile mindset.
Turning raw data into strategic insights.
Roles: Senior Data Analyst, Business Analyst, Customer Insights Expert.
Focus: Conceptual modeling, requirements management, market research, and representing the "voice of the customer." You bridge the gap between business needs and technical solutions.
Key Skills: Tableau, Excel/SPSS, Agile methodologies.
Experience: 4 to 5+ years.
Building the foundations of the "Control & Reporting Factory."
Roles: Senior Data Engineer.
Focus: Data collection, cleaning, and validation from complex sources. Implementing data pooling and self-service solutions to promote business autonomy.
Key Skills: SQL, SAS, advanced Excel/VBA, Power BI/Tableau.
Experience: 5+ years.
Steering change and operational efficiency.
Roles: Senior Business Analyst (Payments), Project Manager (Expert), Senior Process Engineer.
Focus: Automating complex payment flows (SEPA/SWIFT), steering the "Change-the-Bank" (CTB) portfolio, and E2E process modeling within an Agile framework.
Key Skills: ISO20022, SWIFT, large-scale program management, Business Architecture.
Experience: 3 to 10+ years depending on the seniority of the role.
Developing and securing the next generation of banking apps.
Roles: Senior IT Developer, Senior Test Engineer (Performance & Automation).
Focus: Full-stack development (heavy backend), API test automation, and ensuring the performance and security of digital banking services.
Key Skills: Java 8+, Cucumber (BDD), Rest-Assured, CI/CD (Jenkins/GitHub Actions).
Experience: 5+ years.
Language Mastery: For these Brussels-based roles, fluency in English, French, and Dutch is essential (Trilingualism is a core requirement for most positions).
Soft Skills: You are a proactive "self-starter," capable of synthesizing complex information and building strong relationships with internal stakeholders.
Agile Mindset: You are comfortable in Scrum environments and committed to high industry standards regarding Data Governance and GDPR.
High-Impact Projects: Long-term missions (10+ months) within a leading international financial institution.
Hybrid Work: A balanced environment with 50% on-site in Brussels and 50% homeworking.
Expert Community: Benefit from the support and knowledge-sharing of the Smile expert community through monthly team activities.
The Best of Both Worlds: The agility of a digital agency combined with the strength of a large European group.
Talent Acquisition Interview: A first look at your background and aspirations.
Technical Interview: An in-depth discussion with our subject matter experts.
Final Validation: Closing the loop to ensure the perfect fit for the mission.
Ready to bring your expertise to the table? Apply now and join the Smile team!

We are 2000+ digital creatives and doers in 9 countries.
Since we were born, our approach has been based on a deep understanding of your market specificities, your business, and financial perspectives, and your expectations from now onwards to the next years.
Our open-source DNA is a huge guarantee of our value proposition. As fair-minded people, we do not want you to be trapped in a single or inappropriate solution: our recommendations always follow s your business objectives and organization.
We support you in making reliable technology decisions that enhance your business, such as digital and e-commerce platforms, business applications, Data, embedded technologies & IoT, and Infrastructure management.
Our expert brands? SensioLabs, Neopixl, alter way, UX-Republic, creativestyle and Synotis.
We are fun and innovative, but also pragmatic and result-oriented.
We believe that our contributions are tightly beneficial to your success because thatβs how our work makes sense.
We are SMILE, the European leader in Open Source digital services.