backend developer jobs in Toronto

A leading IT services company is seeking a Senior Platform Engineer in Toronto, Canada. The role requires 4–6 years of experience in Python backend development and expertise in RESTful API design. You'll be responsible for developing high-quality features for a core banking platform within an agile team. The ideal candidate will have strong problem-solving...

# Backend Software EngineerQuantum Technology Recruiting Inc. · Canada · Mid · HybridView & Apply## About the RoleWe are hiring a **Backend Software Engineer with strong Rust expertise** to join a growing engineering team building secure, scalable, high-performance backend services for a next-generation identity and security platform.This is a hands-on...

Join us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading.About the team +...

About Presto Phoenix, Inc. Presto is the leading Voice AI company for restaurant drive-thrus, operating at scale in complex, noisy, customer-facing environments. As the AI partner to more than a dozen of the most iconic American restaurant brands, Presto is building one of the most impactful real-world applications of AI that directly impacts revenue, labor...

About Capital One Canada For 30 years, we’ve been on a mission to change banking for good. We challenge the traditional bank stereotype, fostering a culture where innovation thrives and bold ideas are celebrated. You’ll be empowered to grow your career in a supportive environment where you can own and shape your journey on your own terms. You’ll...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team +...

At Affi, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.Marketing & Privacy Engineering (MPE) builds trusted, privacy-aware consumer web experiences and measurement systems that enable sustainable growth. Within MPE, the Marketing pillar...

Greetings! Iris’s leading financial client is looking for FullStack Developer to join their team at Toronto, ON(Hybrid) location. Job Title: FullStack Developer Location: Toronto, ON(Hybrid) Duration: Long Term Job Description: • 10+ years of professional software development experience with demonstrated expertise in both frontend and backend...

At A ffirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.The Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

At affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

Millennium Software and Staffing Inc in Toronto, ON is seeking a Java Backend Developer for a contract role. The position targets candidates with 6+ years of backend Java experience and a strong foundation in Spring Boot and Spring Framework.Responsibilities focus on building and maintaining microservices, integrating Kafka streams, and engaging with...

Senior Software Engineer, Backend (Consumer Authentication Platform) Remote Canada At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Consumer Authentication Platform team is looking for a passionate Senior Software Engineer...

Be part of DoorDash's mission as a Backend Engineer. Collaborate in a hybrid environment to build robust systems that drive our delivery marketplace. As a Backend Engineer at DoorDash, you'll focus on both product-driven and platform-based solutions. This role will see you enhancing our backend systems, transitioning to microservices, and working closely...

At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.The Data and Storage Services team is responsible for affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration,...

The role We're looking for a Staff Backend Engineer to join our Ingredient to Product tribe at HelloFresh. This is a high-impact individual contributor role sitting at the intersection of Food Systems and Backend Engineering — you'll be the technical bridge that identifies business and technical gaps and works with business leads to turn requirements into...

A software development company in Toronto is seeking an experienced Backend Application Developer to drive the development of database-centric web applications. In this role, you will design and implement solutions, focusing on quality and team productivity while utilizing advanced knowledge of Java and PostgreSQL. Candidates should have a Bachelor's degree...

Description: Demonstrated experience designing, developing and integrating AI-enabled applications, including Large Language Models (LLMs), AI agents, agent-based workflows, document processing solutions, and human-in-the-loop review and approval processes. This role will support the development of the Curriculum AI Assistant Platform, which combines AI...

About Us:Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

A leading streaming service in Toronto is looking for a Senior Software Engineer specializing in Rust. In this role, you will lead the development of backend services and tools, focusing on high-performance system architecture. Candidates should have at least 4 years of software development experience, particularly with Rust, and be enthusiastic about...

Triumph Advertising is seeking full-time Laravel/PHP Developers to join their growing development team. The position involves working closely with the development team to build out core products such as lead generation funnels and CRM, or backend API services used for their businesses, using Laravel as the PHP framework. The software they build is primarily...