senior full stack software developer jobs in Toronto

Build Robinhood’s global financial products in Toronto using React, TypeScript, Go, and Python. Work onsite at least three days weekly. As a Full Stack Software Engineer, you will drive international expansion across onboarding, funding, account setup, and trading experiences. You will connect frontend interfaces with resilient distributed systems while...

Software Engineer - Full Stack Join Sanofi in one of our corporate functions and you can play a vital part in the performance of our entire business while helping to make an impact on millions around the world. At Sanofi Accelerator’s Global Function (GF), we work at the intersection of technology and business, partnering closely with product, finance,...

Build Robinhood’s global finance platform in Toronto using React, TypeScript, Go, and Python. Attend the office at least three days weekly. As a Full Stack Software Engineer, you will drive international expansion initiatives across frontend interfaces and backend distributed systems. You will deliver localized onboarding, multi-currency funding,...

Project Description: • We’re seeking a Senior Software Engineer to enhance a cross-asset order and position management system. The engineer shall have experience designing and building robust, scalable systems that support portfolio management, order and trade lifecycle processing, and investment strategies. You will work closely with portfolio managers,...

Lead the change in ecommerce with Goldin, an eBay company, as a Senior Full Stack Engineer. Utilize your expertise across the stack to foster meaningful connections in the collectibles market. In this role, you'll collaborate with a dedicated team to design, build, and maintain scalable, high-performing software solutions. Your experience in AWS, Python,...

Build enterprise applications with Java and React as a Senior Full Stack Developer at Miratech, working hybrid two days weekly in downtown Toronto. This full-time senior role spans front-end interfaces, back-end systems, APIs, microservices, databases, and cloud deployments. You will translate business requirements into technical solutions while...

Build AI tools in Toronto as a Senior Full Stack Developer using responsive interfaces, secure back-end systems, and cloud architecture. Work full time. RBC seeks a Senior Full Stack Developer to guide ideas from concept through functional prototype. You will collaborate with business SMEs, architects, designers, product managers, and engineers. The work...

Link is a digital wallet designed for effortless and secure online payments and digital transactions. With Link, consumers enjoy convenience and peace of mind—it works on any device or browser, is backed by the highest security mechanisms, offers purchase protections on eligible items, and ensures seamless and quick payments. Across the Link Engineering...

Queen's Park Ontario Provincial Government, Canada Country Canada Job Description Position: Full Stack Java Developer Location: Toronto, ON (Onsite) Job ID#: RQ11719 Duration: 12 Months Role Overview We are seeking a Senior Software Developer to develop,configure, integrate, test, deploy, and maintain complex application componentsin accordance...

Elevate your career as a Senior Full Stack Developer with a profitable B2B SaaS company, primarily remote, based in Toronto. Engage in full stack development using Python and React, collaborating on innovative projects. Join a leading retail analytics platform where your programming skills can make a significant impact. This role, suitable for Upper...

Senior Full Stack Developer (Java/React) Full-time Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the...

Drive innovation in banking as a Senior Full Stack Developer for Tangerine's 12-month maternity contract. This role combines backend and frontend expertise using technologies like Node.js and Java. As a Senior Full Stack Developer, you will design, build, and maintain full stack solutions crucial for digital banking. Collaborating with product managers and...

**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...

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams . More than 13,000 customers , including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime and run better operations, across 13.9 million managed assets and 79.5 million completed work orders. In August 2026 MaintainX became...

Tired of hearing about AI companies that build B2B Sales Software? If you’ve been told how AI is going to change the world but are disappointed to only see AI assistants that write emails, then we might be a fit. Field24 is a fast growing AI company that serves the physical-world industries that matter most. Starting with construction, you will see the...

Baselane is a rapidly growing banking and financial management platform for individual landlords and real estate investors. We are backed by leading FinTech investors, including Activant Capital, Collaborative Fund, Conversion Capital, Diagram Ventures, ThomVest, and many FinTech leaders from PayPal, eBay, Google, and more. We are building the future of...

Saatchi & Saatchi is an advertising agency with the belief that creativity, data, media and technology should all work together, and we use that to influence human behavior and drive success for clients. S&S is one of the world's largest agency networks with 114 offices and more than 6000 employees globally. Here in our Toronto office we work with some of...

Drive innovation at Homebase as a Full Stack Senior Software Engineer II in Toronto. Build AI-powered systems, collaborate with teams, and accelerate growth through hybrid work. This role involves 5+ years of software engineering experience with 2+ years in technical leadership. You will be responsible for leading greenfield development projects, enhancing...

Build enterprise applications with Java and React as a Senior Full Stack Developer at Miratech, working hybrid two days weekly in downtown Toronto. Design secure, scalable systems across front-end and back-end environments while collaborating with technical and business stakeholders. Miratech seeks a senior hands-on engineer to design, build, test, deploy,...

Develop secure, scalable AI-enabled applications with React JS, REST APIs, and Microsoft Azure as a Senior AI Engineer in Toronto. Manulife is seeking a senior full-stack developer to deliver production-ready enterprise applications across user interfaces, backend services, databases, and integration layers. The hybrid role combines cloud-native...