Software Engineer

Company: Fiserv

Location: Toronto, ON

Type: Full-time

Posted: 2026-05-27

About this role

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Software Engineer

What does a successful Software Engineer do at Fiserv?

As a successful Software Engineer you will design and deliver high quality features and enhancements. You will provide estimates and actively participate in the sprint planning process.

What you will do:

  • Own the end-to-end delivery of large features within your team.
  • Create technical design specifications in collaboration with other members of the engineering team.
  • Produce highly secure solutions.
  • Tune the performance of our distributed system to ensure they operate within our SLAs.
  • Peer review other engineers’ code.
  • Mentor other engineers to create good technical solutions to problems and ship code quickly to our customers.

What you will need to have:

  • Experience with cloud computing and container-based distributed systems, (Docker.)
  • Experience working with relational databases, (preferably MySQL) and strong proficiency with SQL.
  • Understanding of higher level RDBMS concepts, (locking and transaction model, isolation levels, deadlocks, etc.)
  • Significant experience with at least one dynamically typed, object-oriented programming language, (strong preference for Python.)
  • Strong understanding of distributed systems and microservice architecture.
  • 5+ years of experience in software development.
  • Bachelor’s degree in Computer Science, Software Engineering or equivalent.

What would be great to have:

  • Understanding of low-level...

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