senior full stack software developer jobs in Toronto

Senior Full Stack Developer - React | NodeJS Responsibilities Build scalable, reliable, resilient, secure systems that are builtopen sourcewith cloud firstarchitecture. Implement responsible weband/or mobile design principlesusing the latest technologies. Work in an Agile team with Designers and Product Owners to continuouslyiterate and build feedback into...

Build travel applications with Core Java and real-time data skills on Priceline’s Agile Technology team. Develop services with measurable business impact.This Full Stack Developer role supports mission-critical Priceline projects and next-generation travel applications. You will work across Core Java, SQL, APIs, and transactional services. The position...

Mosaic Clinical Technologies (Canada), Inc. is pioneering a new imaging paradigm—shifting radiology from reactive diagnostics to proactive, decision-driven care. Through our AI-native platform, MosaicOS, we unite fragmented technologies into a single, intelligent ecosystem designed to help clinical teams work faster, think smarter and deliver better...

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 development...

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...

Use C# and .NET to deliver full-stack banking technology solutions onsite in Toronto for TD Securities’ Technology Solutions team.As a Senior Engineer, you will work within an Agile environment supporting Securitization Technology stakeholders. Responsibilities include business functionality, system performance, security practices, testing, deployment...

Become a Senior Full Stack Developer at Chexy, where you'll revolutionize how renters manage payments and rewards! Your technical expertise will play a crucial role in enhancing the user journey on our cutting-edge platform. In this influential position, you'll directly engage in building features, integrating financial APIs, and positioning Chexy’s...

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...

BMO is seeking an experienced technology leader to mentor developers and drive end-to-end software delivery across front-end and back-end systems. You will influence architecture, guide teams, and ensure performance, security and scalability while aligning with risk and compliance requirements. The role emphasizes collaboration, cross-functional leadership,...

Job Description Frank Darling is a female-founded fine jewelry brand making custom engagement rings feel exciting, personal, and refreshingly human. Our modern, sustainability-minded designs have been featured in Vogue, WSJ, Bloomberg, Glossy, and more. We’re hiring a senior frontend/full-stack engineer with strong frontend depth and the ability to...

Elevate your software development career at VITALL as a Full Stack Developer. Get involved in shaping health information solutions with an emphasis on both front-end and back-end technologies. As a vital member of VITALL's accomplished team, you will engage in the full software development lifecycle. This role allows you to implement your skills across...

Job Description Current work authorization for Canada is required for all openings. You will be working on a flexible hybrid schedule as part of Fidelity’s dynamic working arrangement. The work location for this role is 483 Bay Street in Toronto until approximately late 2026, when the work location will change to the new Mississauga office at 3 Robert...

## Full Stack Solutions DeveloperApply: Hybrid: Toronto, ON: Full time: Posted 2 Days Ago: JR100190At CAAT, we’re passionate about what we do. And it shows!Here, you’ll find a cultural spark in everything we do – from the way we partner with members and employers, to the way we work, collaborate, and grow. It doesn’t just feel different at...

Work location: 483 Bay Street in Toronto until approximately late 2026, when the work location will change to the new Mississauga office at 3 Robert Speck Parkway.Flexible hybrid schedule.What You Will DoResponsible for all technical aspects related to assigned projects to meet specific business requirements from the Business and IS groups.Work closely with...

Reporting to the Manager, E-Commerce, the Full Stack Developer, E-Commerce for Bed Bath & Beyond is responsible for building, optimizing, and maintaining our enterprise Direct-to-Consumer digital storefronts. This role combines core front-end and back-end e-commerce software engineering with standard e-commerce practices including payment gateway...

We’re building Reflow, a workforce and workflow intelligence platform that helps teams understand and improve how work gets done. We’re expanding our full-stack team to accelerate feature development, scale analytics systems, and ship the next wave of intelligence-driven capabilities. What you’ll do Build and maintain core product features across...

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 with approved...

Are you a full stack developer who wants to build reliable, production-grade features on complex financial data, from backend services to client reporting?We’re hiring an Intermediate Full Stack Python Developer to join an established financial software company building portfolio management software for banks and institutional clients. The role owns each...

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...

Job Summary: VITALL is looking to add to its growing and accomplished development team. The successful candidate will be a Senior Full Stack Developer who is passionate about making health information meaningful. This is an outstanding opportunity for the right candidate to define themselves as a lead contributor to the health technology industry and set...