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Senior Software Developer API

Randstad Canada

toronto, on, Canada Full-time June 01, 2026

Opportunity Description

Do you have extensive experience in designing, building, and consuming REST APIs, including experience with API documentation and testing? Do you have experience with asynchronous communication, multi-threading? If so, this would be a great opportunity for you!

Our client is looking for a Senior Software Developer API for a 11 month contract in Toronto.

This is an onsite role.

Advantages

Earn a competitive rate within the industry.

Location: working 7.25 hours per calendar day, sometime between 8:00 AM and 5:00 PM (excluding breaks), Monday to Friday inclusive.

Potential for extension.

Responsibilities

Detailed design and specification documents for RESTful APIs, including endpoints, request/response models, authentication, and error handling.

Clean, scalable, and secure REST APIs built using Java and Spring Boot, adhering to best practices and company standards.

Modular and decoupled microservice...
Full-time Other-General

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