Senior Technical Architect

Railz

Railz

IT
Diegem, 1831 Machelen, Belgium
Posted on Jul 2, 2025

Position Type :

Full time

Type Of Hire :

Experienced (relevant combo of work and education)

Education Desired :

Bachelor of Computer Science

Travel Percentage :

5 - 10%

Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology.

Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun.

About the role:

As an IT Architect at FIS, you’ll help shape the backbone of our global fintech platforms — ensuring performance, scalability, and reliability. You’ll play a critical role in guiding how systems and software are selected, deployed, and managed, all while supporting core business operations and driving innovation.

About the team:

You’ll be part of our Enterprise Payments Professional Services team, working at the cutting edge of payment architecture optimization.

Collaborating with expert teams across borders, you’ll help create solutions that are both globally scalable and locally effective.

What you will be doing:

  • Work in the Professional Services organization on large and complex multi year payment projects as a technical expert/guru

  • Design and defend to customers, solutions for complex technical problems and challenges. Go to expert

  • Build and deliver tailored demonstrations of our payment solutions.

  • Deep understanding of customer environments, focusing on architecture, resilience, performance, RPO, and RTO requirements within the payment’s domain.

  • Act as a strategic liaison between departments — from Product Management to Development — to form a seamless virtual team.

  • Provide “creative” solutions for complex technical challenges and issues

What you bring:

  • 5+ years of experience in enterprise-level application software architecture, with proven expertise in cloud environments or payment systems.

  • Programming & Frameworks Java, J2EE, Spring Boot, Hibernate, Generative AI

  • Cloud & DevOps : Terraform, Docker, Kubernetes, CI/CD Pipelines, SVN/GIT

  • Databases : Oracle SQL, Postgress

  • Messaging & Streaming : Kafka, MQ

  • Methodologies & Tools : Agile-Scrum, REST, SOA

  • A strong background in crafting proposals, demos, and customer-facing presentations.

  • Experience architecting enterprise payment solutions is highly desirable.

  • Ability to communicate complex technical, architectural, and resilience concepts in a clear, client-friendly way.

  • Excellent written, verbal, and presentation skills, with a strong command of MS Office tools.

  • Creative, solution-oriented mindset with strong problem-solving skills and a willingness to challenge the status quo.

  • Familiarity with banking payment systems.

  • Experience with AWS or Azure cloud providers.

  • Solid understanding of the software development lifecycle and broader technology ecosystems.

What we offer you:

At FIS, we hire the best — and we reward excellence with opportunities and benefits that go beyond the expected:

  • The chance to drive innovation in a world-leading fintech organization

  • Resources and support for your personal and professional growth

  • An inclusive, international workplace that celebrates diversity

  • Opportunities to make a difference in your community

  • Competitive compensation and benefits package


Additional asset:

  • French speaking/writing

What we offer you:

At FIS, we hire the best. In return, you receive exceptional benefits including:

  • Opportunities to innovate in fintech

  • Tools for personal and professional growth

  • Inclusive and diverse work environment

  • Resources to invest in your community

  • Competitive salary and benefits

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

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