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Senior Software Engineer

Mississauga, ON
Hybrid
Posted Oct 1, 2026
1 position

Opens an external site

Employment type: Contract
Experience level: Senior · 10+ years
Apply by: Oct 29, 2026
Posting language: English
Working hours: 40 hours per week
Office presence: 3 days per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Develop and integrate full-stack applications using React, JavaScript, Java, Spring Boot, and microservices. Review and integrate code, build efficient and scalable digital solutions, and provide technical guidance to junior developers.

Job details

Job Title: Sr. Java Full Stack Developer Duration: 6 Months Contract to Hire Type: 3 days/week onsite (hybrid) Location: Mississauga, ON L5R 0B8 Required Qualifications 7-10+ years of experience in application development Proficiency in React and JavaScript Good understanding of Java frameworks and API integration Experience working with Java, Spring Boot, and microservices architecture (knowledge of Core Java a plus) Ability to review, understand, and integrate code effectively Strong problem-solving skills with an understanding of how to build efficient, scalable digital solutions Experience mentoring junior developers, providing technical guidance without management responsibilities Self-motivated with a proactive approach to development tasks Excellent communication skills and ability to independently manage full development cycles

What you’ll do

Requirements

Requires 7–10+ years of application development experience, proficiency in React and JavaScript, and experience with Java, Spring Boot, microservices, and API integration. Candidates should be able to manage full development cycles independently, communicate effectively, solve problems, and mentor junior developers.