React developer Jobs in Vaughan, ON

We are seeking an Intermediate Software Developer with 5–7 years of experience to join our team. This role is a hybrid of high-quality Java / Spring Boot development and critical L2 / L3 production support. You will be responsible for building secure, scalable REST APIs while ensuring the stability of mission-critical systems through incident triage, root-cause analysis (RCA), and performance tuning. The ideal candidate is a proactive problem-solver who can translate complex requirements into production-ready code within an Agile framework.

Pay Rate : $450.02-$487.39 / Diem

Advantages

• Full-Stack Exposure : Work across the entire SDLC, from initial requirement gathering to post-implementation support and change management.
• Emerging Tech : Gain practical experience with Retrieval-Augmented Generation (RAG) patterns and AI-backed service integration.
• Strategic Location : Work onsite at a central hub, fostering direct collaboration with high-performing cross-functional teams.
• Mission-Critical Impact : Support and scale enterprise-level applications that provide essential services to the public.

Responsibilities

Qualifications

Summary

If you are an Intermediate Developer who excels at solving technical puzzles and building robust, data-driven Java applications, we encourage you to apply today!

Only qualified candidates will be contacted for the next steps. We look forward to hearing from you.

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary / gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.