Full Time Weekend Software Developer Jobs in Ontario

Who We Are:

Every transaction matters. Every Canadian matters. At Interac, we protect both - driving trust, security, and inclusion, so our digital economy thrives.
Founded in 1984, Interac connects Canadians through secure digital payments, advanced identity verification and industry-leading fraud protection. Connecting banks, businesses, and individuals, Interac enables millions to send, receive, and manage money safely and effortlessly every day - across both digital and physical environments.

As the backbone of Canada's financial ecosystem, Interac facilitates over 20 million transactions daily, supported by trusted partnerships with government and financial institutions. Consistently ranked as Canada's most reputable financial technology brand, Interac is deeply embedded in the daily lives of Canadians.

Who You Will Work With:

The Software Developer reporting to the Leader, Development will be responsible for developing and maintaining the company's highly distributed, high-performance payment system. They will use their passion for building new products to translate the client's business requirements and design and develop Java applications on a complex platform. With their experience in database model design for high performance systems, they will perform analysis, design, implement, and conduct performance testing and tuning.

What YouWillDo:

• Developing and maintaining resilient microservices and event-driven applications including analysis, design, development, and implementation.

• Participating in system and application architecture & creating system design and application maintenance documents.

• Writing clean, maintainable, testable, and efficient code, adhering to our code standards and best practices.

• As we transition our technology landscape to a more scalable, containerized, and cloud-first architecture, we're looking for a Java Service Developer to help us build the future of financial interoperability in Canada

• Running API & Microservices technologies and containers (Spring, Spring Boot, Docker, Kubernetes).

• Apply best practices in software design, testing, and CI/CD.

• Database design and development using relational databases such as Oracle & PostgreSQL.

What You bring:

• A University degree in Computer Science or an equivalent combination of education and experience.

• 5+ years software development experience, especially using Spring and Spring Boot; preferably with experience in regulated environments (e.g.: fintech, banking, payments).

• Eligibility to work for Interac Corp. in Canada in a full-time capacity.

• Expertise in designing and developing RESTful and SOAP APIs and a good understanding of various web protocols.

• Strong knowledge of service frameworks (Spring, Spring Boot, Hibernate, Istio), Maven, SQL, JavaScript/TypeScript, caching, security protocols (OAuth2, TLS, API Keys).

• A strong understanding of containerization (docker, Kubernetes), enterprise integration patterns, and implementing high-performance architectures (layered, micro-services, event-driven, service-oriented).

• A strong understanding of relational and non-relational databases, data modeling, with extensive experience using either Oracle, PostgreSQL or no-SQL databases.

• An ability to assist with the design and implementation of enterprise level frameworks, broad-based functional and technical software solutions.

• Nice to have experience owning end-to-end delivery of services, observability tools that facilitates technical support, service mesh, and API gateways.

• Excellent verbal and written communication skills.

Why Join Us?

At Interac, the impact we make, and the people who drive it, is profound. When you become part of our team, you're joining a purpose-driven organization that's shaping the future of digital finance in Canada. Here's what you can expect:

• Investing in the Future - Help us unlock digital prosperity for all Canadians.

• Innovative Thinking - Collaborate on products, practices, and platforms that redefine what's possible.

• Inclusive Culture - Be empowered to bring your whole self to work and realize your full potential.

• Inspiring Community - Work in an ecosystem where we lift each other up and rise together.

• Intentional Support - Enjoy flexible, supportive offerings that prioritize your total wellness.

Additional Pre-Employment Requirements:

To ensure the integrity of our organization, successful candidates will be required to complete background checks, which may include, Canadian Criminal Credit Check, Canadian ID Cross-Check, Public Safety Verification, 5-year Employment Verification, Education Verification, Credit Check, and Social Media Check.

Equal Opportunity Employer

Interac is also an equal opportunity employer committed to fostering a diverse and inclusive workplace. We believe that innovation thrives when people from different backgrounds, experiences, and perspectives come together. That's why we are committed to providing fair and equitable employment opportunities for all individuals, without discrimination based on race, color, ancestry, ethnic origin, place of origin, citizenship, creed, sex, sexual orientation, gender identity or expression, age, marital or family status, disability, or any other characteristic protected by applicable law.

If you require accommodation during any stage of the application or recruitment process, please contact us at humanresources@interac.ca. We will work with you to meet your needs.

Please be aware that certain individuals are misusing Interac Corp.'s name and logo to promote fictitious employment opportunities. Interac Corp. never requests, solicits, or accepts any form of payment in exchange for employment. Any such offers are fraudulent and should be disregarded. Interac Corp. assumes no liability for any claims, losses, damages, expenses, or inconveniences arising from or related to these fraudulent activities. Such communications do not constitute an offer or representation by Interac Corp. or its subsidiaries and affiliates.