Jobs for api developer at Toronto

Location: Toronto or Montreal (hybrid). A leading North American financial institution is seeking skilled Developers to design, build, test, and support technology solutions used across the organization. Developers will work in collaborative Agile teams and contribute to the full software development lifecycle, from requirements analysis through...

A technology firm in Toronto is seeking a Senior Software Developer to design and implement REST APIs in a complex enterprise environment. The ideal candidate has over 5 years of experience in API development and integration, strong skills in platforms like IBM API Connect and a solid understanding of microservices. This role requires excellent...

A leading software development company in Toronto is seeking a Senior Software Developer specializing in API development. The ideal candidate will have at least 4 years of experience in C# and 3 years in .NET Core or .NET 5+. Responsibilities include translating technical specifications into applications and collaborating across teams. This role requires...

Overview API Developer Responsibilities Design, develop, and maintain API interfaces Understand and analyze user requirements to ensure effective API design Write clean, readable and testable code Ensure API functionality and reliability through regular testing and troubleshooting Work with other software developers to ensure compatibility and...

Advance your career as a Senior API Developer at CMiC, crafting impactful RESTful APIs for construction management solutions. Utilize your Java skills to enhance our platform's performance and reliability. CMiC, headquartered in Toronto, seeks a Senior API Developer to strengthen its software offerings. You'll engineer APIs that drive various key...

Must Have:5+ Experience with React framework and typescript5+ Experience with Node.js and Next.js5+ Experience building and testing RESTful APIs2-3+ years of Multi-agent (Agentic AI), LLMops, MCP, langchain, langGraph, RAG, Qdrant, PythonExperience with ML models - XGboost, TensorflowExperience with Airflow, PySpark5+ Hands on experience with Progressive Web...

A leading software development company in Toronto is seeking a Senior Software Developer specializing in API development. The ideal candidate will have at least 4 years of experience in C# and 3 years in .NET Core or .NET 5+. Responsibilities include translating technical specifications into applications and collaborating across teams. This role requires...

Tata Consultancy Services (TCS) is an equal opportunity employer, andembraces diversity in race, nationality, ethnicity, gender, age, physicalability, neurodiversity, and sexual orientation, to create a workforce thatreflects the societies we operate in. Our continued commitment to Culture andDiversity is reflected in our people stories across our workforce...

Join Tata Consultancy Services as a Senior Apigee API Developer and lead in secure API architecture. Transform the way we handle data through innovative solutions. This role at TCS calls for an experienced developer who will design and implement shared flows, focusing on security and efficiency. You will leverage your knowledge of rate limiting and threat...

A tech company in Toronto is seeking an experienced API Developer for a hybrid role that requires working in the office two days a week. The successful candidate will utilize their expertise in API development with REST / JSON, Java, and Spring Boot, while ensuring robust security measures such as OAuth 2.0. Familiarity with API documentation and integration...

Role: API Developer Hybrid: 2 days in office API development using REST / JSON (and SOAP if applicable) Java / Spring Boot API Gateway experience (Azure/AWS API Gateway) API security: OAuth 2.0, JWT, SSO, API key management API documentation: Swagger / OpenAPI Integration experience with microservices and backend systems Experience with Postman, unit...

Tata Consultancy Services Canada Inc. is seeking an API Engineer to design, develop, and deploy RESTful APIs and microservices across on-prem, cloud, and hybrid environments in the Toronto area. You will collaborate with architecture, DevOps, QA and product teams to ensure performance, security, and reliability, implement API versioning and lifecycle...

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)...

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...

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,...

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,...

You’ll be at the heart of CIBC’s digital transformation, successfully delivering complex, enterprise-scale mobile projects involving multiple back‑end systems. You will be a key member of the technology team supporting Digital Transformation, successfully implementing complex, enterprise‑scale solutions on modern platforms with a variety of system...

Intuit is seeking a Staff Software Developer to join the API Management Platform team in Toronto. You will help build an end-to-end API Management Platform for Restful, GraphQL, and Async APIs, delivering scalable, secure software across the stack.You will collaborate with global teams, design durable software, and lead technical discussions while mentoring...

Ontario Public Service (OPS) is seeking a Senior Application Component Developer to lead IT projects supporting Ontario's health systems. You will guide solution design, champion modern delivery practices, and ensure scalable, secure outcomes across platforms. Responsibilities include designing data systems, mentoring technical teams, and evaluating new...

A technology consulting firm in Toronto is seeking a Senior Software Developer to work in a hybrid capacity. The role involves enhancing existing applications, developing APIs, and ensuring high-quality, scalable software solutions. Candidates should have experience in cross-platform mobile development and integration with various systems. Strong...