Senior API Engineer

Lead external API integrations at Vantage, designing reliable data exchange with partner systems from its remote-first Toronto team. As a Senior Engineer, you will own partner connectors and evolve internal and partner-facing APIs. You will handle authentication, rate limiting, retries, large datasets, and data flows that pull from and push to external...

Design platform APIs with Node.js and TypeScript at Instant Risk Coverage, working hybrid three days weekly in downtown Toronto. Build integration surfaces for insurance partners and customers. As a Senior Core Platform Engineer, you will shape IRC’s technical foundations and platform architecture. Your work spans REST, GraphQL, webhooks, event-driven...

Lead external API integrations at Vantage, designing reliable data exchange with partner systems from its remote-first Toronto team.As a Senior Engineer, you will own partner connectors and evolve internal and partner-facing APIs. You will handle authentication, rate limiting, retries, large datasets, and data flows that pull from and push to external...

Build scalable APIs from Kimberley as a Senior Backend Software Engineer, using RESTful design, GraphQL, and microservices architecture expertise. This senior role focuses on backend development for core products and services. You will design robust APIs, manage data efficiently, and write maintainable code. Collaboration with frontend developers, product...

Lead complex API integrations as a Senior Solutions Engineer at OpenTable in Toronto, using REST APIs and system integration expertise. This hybrid role expects office attendance two days weekly.You will independently own sophisticated implementations across OpenTable’s partner and restaurant ecosystem. The work spans technical discovery, solution design,...

Design secure APIs and platform integrations as a Senior Software Developer in DNV’s Digital & Transformation organization, based in Toronto with hybrid work.Working across Data & AI Engineering and partner teams, you will build reusable services and FastAPI endpoints. Your work includes API contracts, integration patterns, SQL solutions, performance...

Senior QA Engineer opportunity with Just Eat Takeaway.com, emphasizing API testing, RESTful services, and automated frameworks. This role is remote in Calgary or Toronto. The Live Ops Metrics team develops back-office tools for visualizing the Delivery Network. As a permanent, full-time Senior Quality Engineer, you will collaborate with software engineers in...

Build cloud-native APIs and enterprise integrations with Manulife in hybrid Toronto, combining RESTful services, Azure, and Kubernetes engineering. Support secure modernization. As a Senior Cloud Engineer, you will develop APIs, web services, and integration solutions across enterprise platforms. You will design cloud-native applications and infrastructure...

Build machine learning inference APIs with Python and distributed systems expertise at Cerebras Systems, connecting GPU prefill with Cerebras decode. As a Senior Software Engineer, you will develop production software across inference APIs, model integration, and request-routing services. Your work spans API design, model serving, and distributed systems,...