senior software developer data jobs in Toronto

Build ASP.NET web applications and APIs as a Senior Software Developer in Toronto, working onsite on an 11-month contract.Our Toronto-based client seeks a senior developer experienced with Agile methodologies and CI/CD pipeline management. The work centers on web application, Web API, and web services development using ASP.NET, REST, OpenAPI, and OAuth 2.0....

Job Role Software Developer – Senior (Spring Boot, Node.js, or .NET Core experience) Location Toronto, ON / Onsite Position Type Contract Role Working Days 5 Days Onsite Start Date 2026-06-29 End Date 2027-06-29 Ideal Candidate Rate CAD 90-95/Hr on Incorporated (Depending on the experience) Must Have 10+ years of development experience in high-scale,...

RQ11508 - Software Developer - Senior Client: Government Services Integration Cluster Pay Rate: 95-101/hr incorp Location: Toronto ON - Onsite Description Must Have: 10+ years of experience as a designer and developer in the large-scale multi-client web applications 10+ year of hands-on working experience of Java development with Oracle or SQL database 5+...

RQ11775 - Software Developer - Senior I Toronto ON I 2+ year Client:Justice Technology Services Location: Toronto ON onsite Pay Rate- 95-101/hr incorp OPP Level 4 Clearances: This position requires an OPP Level 4 security clearance Scope A Senior Software Developer is required to provide the IT technical expertise to support JTS’ ongoing sustainment and...

RQ00795 - Software Developer - SeniorClient : Ontario HealthLocation: Toronto ON , HybridPay Rate: 95-101/hr incorpDescriptionThe Senior Software Developer will support the Drug Formulary and Genomics team. Drug Formulary is a cancer drug and regimen resource for patients and healthcare professionals. It provides tools for patient education and information...

In most instances, this position requires in-person interviews as part of the hiring process. This posting is for a new vacancy. Google utilizes AI tools to assess candidates in our hiring processes. Note: By applying to this position you will have an opportunity to share your preferred working location from the following: Sunnyvale, CA, USA; Waterloo,...

In most instances, this position requires in-person interviews as part of the hiring process. This posting is for a new vacancy. Google utilizes AI tools to assess candidates in our hiring processes. Note: By applying to this position you will have an opportunity to share your preferred working location from the following: Sunnyvale, CA, USA;...

Join the fight for better healthcare as a Senior Software Engineer in a hybrid role at PocketHealth. Focus on backend services that improve patient experiences across North America. This role, based in Toronto, involves building innovative backend solutions for PocketHealth's platform that allows patients to access and share their medical imaging records...

Join Trulioo as a Senior Software Engineer and be a key player in redefining digital identity verification. This role involves leading the architecture and creation of essential back-end services crucial for compliance. You will influence the design of our award-winning platform and ensure it remains at the forefront of technology. Your role requires...

Job Title : Senior Software Engineer (Trading Technology Software Development) Technical Team Lead / Software Development Manager Welcome to Pinnacle, the ultimate destination for sports enthusiasts seeking an exhilarating sportsbook and gaming experience! Established in 1998, we have solidified our position as one of the globe's foremost licensed online...

Join the fight for better healthcare as a Senior Software Engineer in a hybrid role at PocketHealth. Focus on backend services that improve patient experiences across North America. This role, based in Toronto, involves building innovative backend solutions for PocketHealth's platform that allows patients to access and share their medical imaging records...

At Basis, we empower agencies and brands with cutting‑edge software that automates digital media operations. Our all‑in‑one platform supports seamless planning, reporting, and financial reconciliation across direct, programmatic, search, and social media. We’re not just building advanced technology; we’re also building a culture where passionate,...

Developing the Unity platform means designing, building, testing, and maintaining the systems that empower developers to ship and operate live games at scale. The Diagnostics team sits inside Unity's LiveOps umbrella and is responsible for the data that tells creators how their games are actually behaving in the wild — crash reports from the Unity runtime,...

Responsibilities Participate in product teams to analyze systems requirements, architect, design, code and implement cloud-based data and analytics products that conform to standards Design, create, and maintain cloud-based data lake and lakehouse structures, automated data pipelines, analytics models Liaises with cluster IT colleagues to implement...

A leading financial services firm in Toronto seeks an experienced professional with over 5 years in capital markets, focusing on Market Risk or Back Office. Candidates must have strong skills in Big Data tools like PySpark and HDFS, alongside quantitative abilities. This role requires effective communication with stakeholders and a results-oriented approach...

About the job RQ09105 - Software Developer - Senior Description Responsibilities: Required to translate technical systems specifications into working, tested applications. This includes: writing and/or generating code compiling data-driven programs, maintaining, and conducting unit tests Resolves and troubleshoots technical problems which arise during...

MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total funding to $254M. We were named to the Forbes 2025 Cloud 100, the definitive...

Thumbtack helps millions of people confidently care for their homes. Thumbtack is the one app you need to take care of and improve your home — from personalized guidance to AI tools and a best-in-class hiring experience. Every day in every county of the U.S., people turn to Thumbtack to complete urgent repairs, seasonal maintenance and bigger...

Leap into healthcare tech with a Senior Software Developer role at OceanMD. This hybrid opportunity allows for hands-on coding while leading innovative projects that enhance patient access across Canada. In this role, you'll report to the Vice President of Research and Development, joining a dedicated engineering team focused on developing cutting-edge...

SalesForce.com development & integration experience Requisition ID : 275796 At Tangerine, we’re redefining banking. As Canada’s leading digital bank, we thrive on innovation, agility, and bold thinking, tackling every challenge head-on with leading technology and the unstoppable power of collaboration. Our client-obsessed teams deliver flexible,...