backend developer jobs in Toronto

About Fullscript We're an industry-leading health technology company on a mission to help people get better. We started in 2011 with one simple idea. Make it easier for practitioners to access the products they trust so they can deliver better care. That simple idea grew into a platform that powers every part of care. Today, more than 125,000 practitioners...

The Batch Developer Experience team makes batch development and testing faster and more reliable at affirm As a developer on this team you will partner with product and infrastructure engineers to build the tools and systems that streamline workflows, strengthen testing and ultimately improve the reliability of affirm's critical batch workloads With the...

Job Type: Temporary ContractWork Model: HybridReference code: 135804Primary Location: Toronto, ONAll Available Locations: Toronto, ON Our Purpose At Deloitte, our Purpose is to make an impact that matters. We exist to inspire and help our people, organizations, communities, and countries to thrive by building a better future. Our work underpins a...

Kumaran Systems is seeking an accomplished senior .NET backend engineer to design and implement scalable services in Azure. You will work on RESTful APIs, data modeling in SQL Server/Azure SQL, and secure authentication patterns while driving CI/CD through modern DevOps practices. Join a team that emphasizes engineering discipline, AI-enabled...

MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total funding to $254M. We were named to the Forbes 2025 Cloud 100, the definitive...

Cohere is looking for a Backend Engineer to specialize in optimizing model inference systems. In this remote-first role, you will create low-latency serving infrastructure for advanced backend services. Candidates for this position must have over five years of backend engineering experience and strong programming skills in Go, Rust, or C++. You'll work on...

We’re building a relationship-oriented bank for the modern world. You’ll be at the heart of CIBC’s digital transformation, successfully delivering complex, enterprise-scale mobile projects involving multiple back-end systems. As a Back end Consultant, you’ll assemble, implement and maintain easy, flexible, and personalized solutions that enhance the...

We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what’s right for our clients.At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and...

Own AWS-based backend architecture in Toronto with hands-on API development, system integrations, and secure application design. This hybrid contractor assignment requires two onsite days weekly. As a Senior Full Stack Developer, you will lead architecture and development for end-user self-service and access visibility solutions. You will develop APIs,...

A financial services company in Toronto is seeking an E-Banking Java Developer at the entry level. This role involves developing backend applications with Java 17+, designing microservices architecture, and creating RESTful APIs for digital banking solutions. Ideal candidates should have a strong understanding of Java and Spring Boot, along with the ability...

Our client is searching for an iOS & Backend Developer with a full-stack mindset. In this role, you will design and develop high-quality mobile applications integrated with backend services. The ideal candidate will bridge the mobile and backend worlds, owning projects from start to finish. This includes creating and maintaining applications while designing...

Build modern digital platforms at the intersection of engineering, cloud technology, and financial services. The Role We are looking for an experienced Senior Full-Stack Python Software Engineer to design and build high-quality digital solutions using Python web frameworks and modern front-end technologies. You will bring strong foundations in computer...

Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows. The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...

Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows. The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...

Backend API leadership defines this Toronto-based Senior Lead Software Engineer position supporting IBM Safer Payments. Candidates need seven to ten years of software development experience. This role serves as a Subject Matter Expert for IBM Safer Payments and its payment processing systems. You will lead architecture, build backend services, and...

Make a difference at Leap Tools as the Lead Software Developer for Backend Systems, focusing on data processing architecture in a flexible remote role. Strong experience in distributed systems and performance engineering is essential.This position seeks a professional with 8+ years of software development expertise to innovate data pipelines and optimize...

Build well-designed backend solutions at Lucova Inc., where technology, data, and people personalize commerce experiences for customers across North America. This Full-Stack Developer role combines backend development with solution design, quality assurance, and technical troubleshooting. You will help develop Lucova platform enhancements, validate software...

Make a difference at Leap Tools as the Lead Software Developer for Backend Systems, focusing on data processing architecture in a flexible remote role. Strong experience in distributed systems and performance engineering is essential. This position seeks a professional with 8+ years of software development expertise to innovate data pipelines and optimize...

Movable Ink scales content personalization for marketers through data-activated content generation and AI decisioning. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and boost marketing agility. Headquartered in New York City with close to 600 employees, Movable Ink serves its global client base with...

**Inclusion without Exception** Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our...