backend developer position jobs in Toronto

Pursue an exciting opportunity as a Senior Backend Software Engineer in our hybrid Ottawa, Toronto, or Montreal location. Bring your proficiency in TypeScript and Microservices to design scalable, efficient systems. In this role, you will focus on building and maintaining backend APIs while working closely with a team of architects. Your ability to rapidly...

Design, develop and deploy enterprise-grade .NET applications on Microsoft Azure. Own end-to-end delivery of cloud-native services with a strong focus on performance, scalability, security and reliability. Key ResponsibilitiesDesign and build scalable backend services in .NET 8 / C# and Web APIs. Develop and maintain Azure Functions, Service Bus consumers...

Role: API Developer (REST, Microservices, Cloud) Location: Toronto, ON - Hybrid Responsibilities Lead and contribute to the migration of existing Azure / PCF applications to Atlas, including analysis, refactoring, and deployment. Refactor backend services and UI components to ensure cloud‑native readiness, scalability, and performance. Collaborate with...

Full Stack DeveloperWe’re looking for Full Stack Developer to join our team and work on modern, scalable applications across both frontend and backend technologies. If you’re passionate about building high-quality digital solutions and working with cutting-edge tools, we’d love to connect with you!Key ResponsibilitiesDevelop and maintain responsive,...

Role: Full Stack Developer Location: Toronto, ON (Hybrid) Position type: Fulltime Visa: Canadian Citizens or PR only Years of experience required: 8+ Years Looking for Sr full stack developers 8+ years' experience who needs to have core Java/Springboot skills on backend and Javascript and React skills on frontend. Key expectations - Strong hands-on...

Randstad Canada is seeking a high-performing Application Developer IV (Senior Backend Lead) to join its core technology engineering group. This mission-critical role focuses on designing, developing, and supporting scalable microservices powering mortgage and lending workflows with Java Spring Boot and Camunda 8 in Azure Kubernetes.You will work in an Agile...

We are seeking an experienced Hadoop Developer with strong hands‑on expertise in Spark and Scala to build and support large‑scale data processing solutions. The ideal candidate will also bring domain knowledge in Liquidity Reporting and Capital Markets, along with strong communication and presentation skills.Job SummaryWe are seeking an experienced...

MySQL Connection Developer Needed for Quantara AI Development We are building out features for our Quantara AI business and need a skilled MySQL Connection freelancer to join us. Build and integrate clean, responsive MySQL Connection components. Connect with backend endpoints and verify data handling. Maintain clean git commits and basic code documentation....

As a Gen AI Developer, you will be a part of an Agile team to build a production‑grade healthcare conversational GenAI platform. The stack centers on Python 3.12+, FastAPI, and Google ADK 2.0 as the primary multi‑agent orchestration and structured‑output toolkit, deployed on Azure. The role emphasizes backend service development, GenAI workflow...

Ransomware hides inside data your security stack never analyzes. Elastio closes that gap. Our Hunt Engine performs Deep File Inspection across live, replicated, and backup data to find threats before they destroy recovery options. The outcome: Proven Data your team can trust, and Provable Recovery you can demonstrate to leadership before an attack...

Overview The Backend Engineer on the AI Platform team plays a critical role in building and evolving the backend systems that power internal products, customer-facing capabilities, AI-enabled workflows, and operational decision-making across the organization. This role is responsible for designing, building, testing, and operating reliable, scalable, and...

Job Type: Full Time Location: Toronto, ON Work Model: Onsite Primary Skills: AWS Lambda & API Gateway, Node.js/TypeScript/Python, DynamoDB & S3 Job Description We are seeking an experienced AWS Developer with 3–6 years of experience to develop scalable serverless applications and APIs on AWS. The role focuses on backend development, REST APIs,...

**Job Description**MLSE Sport Performance Lab is seeking a **Full Stack Developer** to join our team. This individual will play a key role in developing and maintaining team coaching applications across multiple projects. They will focus on frontend development (React), backend/API development (Python/AWS), and provide development support for mobile...

At Bond, we build growth and loyalty for some of the world’s most recognized brands. Behind that work is a team of smart, curious people who care deeply about clients, each other, and building something meaningful together. We are seeking a Jr. Developer to join our team. This role will focus on the development of tools, applications, and extensions with a...

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...

Take the lead in corporate account strategy as a Director at your next role. This position requires expertise in sales management and strategic relationship building in the pharmaceutical industry. In this Director role, you will develop and execute comprehensive account strategies focused on revenue growth and profitability. Your responsibilities will also...

Build, deploy and operate Python services on Linux. The role demands strong Linux fundamentals — including sudo, systemd, shell scripting and permissions — alongside production-grade Python engineering.Key ResponsibilitiesDesign and develop backend services and automation tooling in Python 3.x.Build and consume RESTful APIs using FastAPI / Flask /...

We are disrupting the world of Finance – think Big Data; think Natural Language Processing; think Artificial Intelligence; think Slick User Experience. Responsibilities Own a variety of mission-critical and data-intensive problems, solve the tough problems Translate high-level business needs into well-defined and scoped functionality Got Skills Strong...

Senior Software Engineer - Brand Platform - Backend Faire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Faire, we're using the power of tech, data, and machine...

Job Title: Senior Full Stack Developer (Java, Spring Boot, Angular) Experience: 8+ years Location: Downtown Toronto (4 Days from office) Employment Type: C2H About The Role We are looking for a highly skilled Senior Full Stack Developer to join our technology team. The successful candidate will have extensive experience in architecting, developing, and...