backend developer position jobs in Toronto

Quantum Technology Recruiting Inc. is seeking a Backend Software Engineer with strong Rust expertise. You will design and build high-performance backend services for a secure, scalable identity and security platform, working in a hybrid model in Ontario.The role involves developing REST and/or gRPC APIs, collaborating with architecture, frontend, and cloud...

Become a Machine Learning Backend Engineer at Layer 6, addressing real-world ML issues through innovative backend solutions and API design.In this role, you will significantly impact the development of machine learning systems as you collaborate with data scientists and engineers. You will work on creating advanced APIs and architecture that make machine...

Elevate your sales career at Samsara with a remote Account Development Representative position based in Toronto. Contribute to significant industry advancements while honing key sales skills. In the Sales Graduate role, receive top-tier training and support from seasoned professionals to prepare for the outbound Account Development Representative journey....

Virtusa is seeking a Senior Salesforce Backend/API Developer in Toronto to design, build, and maintain backend services and APIs on the Salesforce platform. The role focuses on Experience Cloud implementations, case management enhancements, and CI/CD-driven deployments within a collaborative, cross-functional environment. You will work with tools like...

The Streaming team at Affi is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validation. As a member of our team you would spend time identifying and executing on new use cases of data infrastructure, designing and scaling our existing infrastructure and working...

Senior Software Engineer, Backend (Lakehouse Infra) 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 Data and Storage Services team is responsible for Affim's data infrastructure across OLTP and OLAP systems,...

Drive innovation as a Senior Backend Engineer with a remote-first AI-native platform team focused on marketing and creative insights. You will leverage your expertise in Node.js and TypeScript to craft robust backend systems that scale effectively. Join a fast-growing Series B company where you’ll design and maintain backend APIs that support various...

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...

At Affirms, 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. We are looking for a Software Engineer to join the Identity Decisioning team, responsible for building backend systems that validates consumer identity in all of Affirms...

Jobtailor is seeking a senior backend engineer to design, develop and enhance scalable applications using Java and Spring-based technologies. You will build RESTful APIs and microservices for high-volume, business-critical systems and collaborate across design, development, testing, and production support.You will apply OOP, design patterns, work with SQL...

Virtusa in Toronto is seeking a Junior Project Manager with a strong background in Backend/API development. You will manage software projects, ensure timely delivery, and align technical and business goals. The role requires hands-on coordination with engineers, QA, and product teams; you will create plans, track progress, and communicate with stakeholders....

The Intermediate Backend/Integration Developer will support Client Unified Experience by building and maintaining RESTful APIs and integration services. This role surfaces advisor-facing data, application/transaction lifecycle status (eTrack), and client statements/tax documents (eDocs) by integrating backend source systems (Salesforce, Alfresco) with the...

Who We Are Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. Are you bready* for a change? Toast is looking for a Senior Software engineer to join our enterprise quick service restaurant team. You will get to work across...

6–8 years of experience in C++ development with strong expertise in modern C++ standards . Hands‑on experience in system‑level programming , including software interacting with hardware and operating system resources . Strong understanding of Data Structures, Algorithms, Multithreading, and Concurrency concepts. Proven experience in ...

L'affichage de poste en français suivra / The French job posting follows. 26WD96718, Senior Software Developer Position Overview We are seeking a passionate and experienced Senior Software Developer to join a Data Services team focused on delivering core record- and entity-management services. You will help design, build, and operate services that create...

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,...

Senior Software Engineer, Backend (Consumer Authentication Platform)Remote CanadaAt 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 to...

Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and...

Base pay rangeCA$55.00/hr - CA$60.00/hrToronto, Ontario Canada - 1 day in office 4 days Work from homeInterview- Online Coding test+ 2 Video interviewsLong term contractAbout the RoleWe are seeking a highly skilled Backend Software Engineer with strong expertise in Java and modern backend frameworks. The ideal candidate will be responsible for designing,...

Primary Skills: A Python & AWS Developer is responsible for designing, developing, and maintaining scalable cloud-native applications using Python and AWS services. The role involves building APIs and backend solutions, automating deployments, and ensuring application performance, security, and reliability in a cloud environment. Key responsibilities...