Senior API Developer with Java Expertise

Source Code
📍 toronto, on, Canada 💼 Full-time 🕒 Posted June 04, 2026

Job Description

Join a dynamic team as a Senior Software Developer focusing on API creation and optimization. This contract role demands expertise in Java and RESTful API development for high-performance applications.
In this role, you will be responsible for creating clean, secure APIs while ensuring high scalability with microservices. Over 8 years of experience will be required to effectively design endpoints, implement database solutions, and conduct comprehensive unit testing using tools like Mockito. You will also support the team with mentorship and perform regular code reviews.
Key Responsibilities:
• Create robust RESTful APIs based on functional specifications
• Ensure high performance and scalability in microservices
• Conduct unit tests to ensure code reliability
• Optimize API response times and resource usage
• Document systems and best practices clearly for team reference
Requirements:
• 8+ years in API Software Development
• Proficient in REST API design a...

Ready to Apply?

Submit your application today and join our talented team at Source Code.

Submit Application

Job Details

  • Location toronto, on
  • Job Type Full-time
  • Category Other-General
  • Posted Date June 04, 2026
  • Application Deadline July 14, 2026