senior full stack software engineer jobs in Toronto

Lead full-stack AI software engineering in Toronto with Java, Spring Boot, React, and emerging AI technologies for Fitch Ratings. Fitch Ratings seeks a Lead Software Engineer for its Innovation Tiger Team. You will build greenfield agentic systems and intelligent platforms for financial analysis. The work combines enterprise applications, AI...

Architect full-stack software at BuildOps using React.js, Node.js, GraphQL, and REST APIs within a hybrid Monday and Friday work-from-home schedule. As a Staff Software Engineer, you will build and optimize BuildOps’s platform for commercial contractors. The work spans scalable frontend architecture, backend services, database performance, and technical...

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...

Capital One Canada seeks a Staff Full Stack Software Engineer skilled in JavaScript, React, AWS, and application architecture. Work in a hybrid model with three office days weekly. This Staff Software Engineer will lead technical design and development for cross-functional, multiplatform, fault-tolerant systems. The role spans front-end and server-side...

RQ11377 - Software Developer - Full Stack - Senior Hybrid # Of Openings: 4 Office Location: Toronto or Guelph Organization: Land & Resources Cluster Ministry: Ministry of Public and Business Service Delivery and Procurement Max Extension Term(s) 3 Times Security Level: No Clearance Required Street- 40 St Clair W Toronto or 1 Stone Rd W Guelph Pay Rate:...

Software Developer - Full Stack - Senior (Health) (BBBH12303) Toronto, CanadaWe are seeking two Senior Full Stack Developers to enhance healthcare applications and integration'sThe focus is on replacing scheduled polling with event-driven processing so applications can respond to clinical information, referrals, reports, and status changes in real...

DescriptionDescription: Designs, develops, integrates, tests, deploys, and maintains enterprise platform capabilities across the user-interface, service, API, workflow, integration, and data-access layers. The role builds reusable platform services that can support multiple government programs, while also implementing the service-specific connections...

We are seeking a seasoned Senior Software Developer - Full Stack to lead the technical design, development, integration, and maintenance of large-scale enterprise web applications and platform services. In this role, you will be responsible for creating reusable platform components and building microservices across user-interface, API, workflow, integration,...

Description Designs, develops, integrates, tests, deploys, and maintains enterprise platform capabilities across the user-interface, service, API, workflow, integration, and data-access layers. The role builds reusable platform services that can support multiple government programs, while also implementing the service‑specific connections required to...

RQ11377 - Software Developer - Full Stack - Senior - 4 OpeningsLocation:Hybrid (Work onsite 2 Days a week from Toronto or Guelph office) 40 St Clair W Toronto or 1 Stone Rd W GuelphDuration:6+ contract (125Business Days) + 3 possible ExtensionMust Have:At least 1+ year of experience developing and implementing Java solutions targeting soil management...

Description: Designs, develops, integrates, tests, deploys, and maintains enterprise platform capabilities across the user-interface, service, API, workflow, integration, and data-access layers. The role builds reusable platform services that can support multiple government programs, while also implementing the service-specific connections required to...

Grow your career as a Senior Full-Stack Software Developer in Canada, working full-time on impactful projects. This role emphasizes JavaScript/TypeScript and RESTful API development. With 2-6 years of experience, you'll design and maintain web applications, collaborating with product design, QA, and engineering teams. Your responsibilities will include...

RQ11443 - Software Developer - Full Stack - SeniorOrganization: Labour and Transportation ClusterMinistry: Ministry of Public and Business Service Delivery and ProcurementDuration: 1+ yearLocation: Toronto (87 Sir William Hearst Ave.) or St. Catharines (301 St Paul St), ONPay Rate: $100-103/hr incorpNo clearance required to startSenior Full Stack Developer...

RQ11739 - Software Developer - Full Stack - Senior Posted On 26/10/2026 Job Information Term 225 days Assigned Recruiter(s) Margret Tinitha Job Opening ID 11798 Technology Number of Positions 1 Work Experience 7-10 Years City Toronto State/Province Ontario M4C Job Description Description: Designs, develops, integrates, tests, deploys, and maintains...

We are seeking a highly experienced Senior Software Developer - Full Stack to lead the technical design, development, integration, and maintenance of large-scale enterprise web applications and platform capabilities. In this role, you will be responsible for building reusable platform services, robust microservices architectures, and RESTful APIs across the...

Queen's Park Ontario Provincial Government, Canada | Posted on 08/19/2026Country CanadaJob DescriptionPosition: Software Developer - Full StackLocation: Toronto, ON (Onsite)Job ID#: RQ11132Duration: 12 MonthsRole OverviewWe are seeking a Software Developer - Full Stack to supportthe design, development, implementation, and maintenance of...

ResponsibilitiesDesign, implement, and continuously expand data pipelines byperforming extraction, transformation, and loading activities.Required to translate technical systems specifications intoworking, tested applications. This includes developing detailed programmingspecifications, writing and/or generating code, compiling data-driven...

Job Title: Software Developer - Full Stack – Senior (Healthcare) Work Model: Hybrid Duration: 6 months Extension: 1 Time Project Description The Agency requires a Senior Full Stack Developer to support the Enterprise Pub/Sub Applications Team. The resource will update The Agency applications and associated workflows to integrate with the Agency Enterprise...

TWC Global Services is Hiring..!! TWC Global Services is seeking a Senior Software Developer - Full Stack who will support the Enterprise Pub/Sub Applications Team for Government Sector Enterprise. Title - Software Developer - Full Stack - Senior Location- Toronto, ON Must-Have Skills – Senior-level experience developing Java and Node.js services, REST...

Questrade Financial Group (QFG), through its companies - Questrade, Questbank, Questrade Wealth Management, Community Trust Company, Zolo, and Flexiti, provides securities and foreign currency investment, professionally managed investment portfolios, mortgages, real estate services, financial services and more. We use cutting-edge technology to help...