C++ Senior Software Developer - Merchant Acquiring and Clearing Systems

Railz

Railz

Software Engineering
Sydney, NSW, Australia
Posted on Sep 12, 2025

Position Type :

Full time

Type Of Hire :

Experienced (relevant combo of work and education)

Education Desired :

Bachelor of Computer Engineering

Travel Percentage :

15 - 25%

We are FIS. Our technology powers the world’s economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you’re ready to start learning, growing and making an impact with a career in fintech, we’d like to know: Are you FIS?

About the role:
As a Software Engineer you could work with bleeding edge technology as you build innovative fintech products that change the way the world pays, banks and invests. We are seeking an experienced Senior Software developer with expertise in C++ development, Oracle SQL, Unix/Linux environments. The ideal Candidate will have strong programming skills, a sold understanding of software development principles and experience working in team environment.

What you will be doing:

  • Contribute to the development of high-quality software application using C++ and other relevant technologies
  • Work with Oracle SQL to design, develop and optimize database queries and schema
  • Utilize Unix/Linux operating systems and scripting languages to automate tasks and improve efficiency
  • Troubleshooting: Debug and resolve complex technical issues in a timely and efficient manner


What you will need:

  • Experience with end-to-end systems development life cycles and standards
  • Knowledge of financial industry practices, regulations and operations
  • Fluency in sequence diagrams, class models, etc
  • Proficiency in solutions design and requirements definition disciplines
  • A bachelor’s in computer engineering, computer science or other related discipline or equivalent experience


Added bonus if you have:

  • Good Knowledge in IST MAS & IST Clearing products.
  • Core Java, Angular JS, Spring Boot, Hibernate and jQuery

What we offer you:
A career at FIS is more than just a job. It’s the change to shape the future of fintech. At FIS, we offer you:

  • A voice in the future of fintech
  • Always-on learning and development
  • Collaborative work environment
  • Opportunities to give back
  • Competitive salary and benefits

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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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