senior software developer data jobs in Toronto

Senior Siebel Software Developer needed onsite in Toronto, Ontario, bringing deep configuration, integration, and development expertise to provincial systems. This full time, four month contract focuses on Siebel architecture, development, and integrations. You will support Agency products, Provincial system integrations, network security initiatives, and...

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. Summary: We are currently seeking a Senior Software Developer to join...

Must Have: Minimum 7 years of software development and enterprise application delivery experience (Java/React) Minimum 7 years of software development experience, including enterprise application delivery in Technical skills section mentioned above Experience delivering CRM, Customer Service, or Case Management solutions. Experience designing,...

Lead test automation with Python for Invisalign cloud services in Toronto, supporting automated treatment planning within a regulated medical environment. As a Senior Software Developer in Test, you will design and extend automatic test systems for complex orthodontic problem domains. The full-time role collaborates with clinical experts, project managers,...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. The Software...

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 part 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...

Mastercard is looking for a Senior Principal Software Development Engineer to join the Mastercard Foundry Research and Development team in our Toronto locationIn this role, you will establish the technical direction for complex, early-stage products, drive architecture decisions across teams, and bring innovative solutions to global markets at enterprise...

Senior Software Developer in Test (AI Portfolio)Department: Product DevelopmentEmployment Type: Full TimeLocation: Canada - Remote (0002)Reporting To: Yiming HuangDescriptionAs a Senior Software Developer in Test, you will be responsible for the development, execution, and maintenance of automated tests to support the Software Test Life Cycle for Vena’s...

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...

Senior Staff Software Developer, Core InfrastructureToronto, CanadaJoin us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this...

Who We Are Verily Health is a data platform and technology company purpose-built to power AI-enabled precision health solutions that accelerate research and improve care for individuals and communities. Uniquely positioned at the intersection of technology, data science, and healthcare, Verily transforms multimodal health data into insights, models, and...

# Senior Software Developer, ML Platform & InfrastructureWealthsimple Toronto Headquarters Full-timeFull-timeAI & Machine Learning---## About this roleWealthsimple is hiring a Senior Software Developer, ML Platform & Infrastructure (Toronto Headquarters). This is an on-site AI & machine learning role listed on the official Wealthsimple careers site.About the...

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...

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 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...

Powered by Passion. United by Purpose. Build for Impact. At Maple Leaf Sports & Entertainment Partnership (MLSE), we exist to deliver the ultimate fan experience by lifting trophies, spirits, and communities - united as one. We're more than a workplace. We are a team of passionate people, boldly building the future of sport and entertainment, together. We...

**Powered by Passion. United by Purpose. Build for Impact.**At Maple Leaf Sports & Entertainment Partnership (MLSE), we exist to deliver the ultimate fan experience by lifting trophies, spirits, and communities – united as one.We're more than a workplace. We are a team of passionate people, boldly building the future of sport and entertainment, together....