senior software developer api platform and ecosystem jobs in Toronto

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...

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...

Senior Software Developer, API Platform and Ecosystem 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...

Design REST APIs and tested applications as a Senior API Software Developer, using Apigee, Azure, and Microsoft Power Platform technologies.This senior developer translates technical system specifications into working applications. The work includes programming, application design, testing, troubleshooting, and system integration. You will develop API...

Shape the future of API integration as a Senior Software Engineer focusing on API development. This role demands technical acumen and expertise in enterprise-level software solutions. As a Senior Software Engineer, you will be responsible for the development and support of RESTful APIs in a complex environment. This position allows you to engage with...

RQ09373 - Software Developer - API - SeniorAbout the job RQ09373 - Software Developer - API - SeniorResponsibilitiesRequired to translate technical systems specifications into working, tested. This includes:developing detailed programming specificationswriting and/or generating codecompiling data-driven programs, maintaining, and conducting unitAnalyzes,...

RQ09329 - Software Developer - API - Senior About the job RQ09329 - Software Developer - API - Senior Required to translate technical systems specifications into working, tested applications. This includes: developing detailed programming specifications writing and/or generating code compiling data‑driven programs, maintaining, and conducting unit...

RQ09147 - Software Developer - API - SeniorAbout the job RQ09147 - Software Developer - API - SeniorDescription:Responsibilities Required to translate technical systems specifications into working, tested applications. This includes: o developing detailed programming specifications o writing and/or generating code o compiling data-driven programs,...

RQ08889 - Software Developer - API - Senior About the job RQ08889 - Software Developer - API - Senior Description A Note on Assignment Type: This position is currently listed as "Onsite"; however, the Assignment under this request will provisionally be "Hybrid", working 7.25 hours per calendar day, sometime between 8:00 AM and 5:00 PM (excluding breaks)...

Architect scalable AI research platforms at Xanadu using Python, Rust, AWS, and distributed systems expertise. This senior role is hands-on and product-minded. As a Senior Software Developer on Xanadu’s AI team, you will set the technical direction for an internal research platform. You will architect systems, write and review code, solve complex technical...

We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth. We’re building a world where Identity belongs to you. At Okta, we’re building the next...

Build Python APIs and backend systems in Toronto’s hybrid DNV office, supporting scalable platforms and AI-ready data foundations. Apply SQL and FastAPI daily. As Senior Software Developer, you will design, develop, test, and maintain platform capabilities across Digital & Transformation. Your work spans Python, SQL, FastAPI, data modeling, API...

Join Mozilla as a Senior Software Engineer and play a crucial role in optimizing the Add-ons ecosystem. Utilize your skills in Python, CI/CD, and observability to enhance system reliability. In this role, you'll contribute to the stability and functionality of the Firefox Add-ons platform. Your responsibilities will include developing features, improving...

Architect scalable AI research platforms at Xanadu using Python, Rust, AWS, and distributed systems expertise. This senior role is hands-on and product-minded. As a Senior Software Developer on Xanadu’s AI team, you will set the technical direction for an internal research platform. You will architect systems, write and review code, solve complex technical...

Overview Okta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth. At Okta, we celebrate a variety of...

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...

# 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...

Associate Business Partner - Senior Talent Acquisition - IT Financial Services at Iris SoftwareIris's client, one of the world's largest multinational Investment banking and financial services corporations, is looking to hire a Java API developer for a long-term opportunity.Work Location: Toronto, ON (Hybrid Onsite – 4 days a week)Seniority level:...

MaintainX, a leading mobile-first work execution platform now part of Autodesk Operations Solutions, is seeking a backend software engineer to design, build, and operate public-facing REST APIs and platform services. You will own reliability, CI/CD, testing, and developer experience, collaborating with product, design, and customers to deliver scalable...

Job DescriptionWhat is the opportunity?Join our innovative PayEdge Technology team at RBC, where we're revolutionizing payment solution for commercial clients. We are seeking a Senior API Developer to build the robust and scalable APIs. As a key player, you'll contribute to every stage of the software development life cycle, focusing on quality,...