Senior Full-Stack Developer - React, Java/Kotlin, springboot

Randstad Digital is seeking a Senior Full-Stack Developer on behalf of a premier leader in the Canadian insurance and financial services sector. This 6-month contract is designed to accelerate a major digital transformation initiative aimed at modernizing and refactoring high-traffic, customer-facing web ecosystems. As a key technical contributor, you will join an internal engineering squad focused on transitioning core front-end architectures into a highly scalable, modern cloud environment.

Advantages
Flexible Hybrid Model: Enjoy the balance of working from home with a requirement of only 2 days per week at our collaborative Montreal office.

Modern Engineering Culture: Work inside a mature, scaled Agile environment (SAFe) alongside highly skilled internal technical leads.

Cutting-Edge Stack: Gain hands-on exposure to advanced cloud delivery mechanisms, microfrontends, and modern identity protocols.

Responsibilities
Collaborate with internal development squads and technical leads to roll out initial web portal functionalities, ensuring seamless integration with transactional features.

Take ownership of migrating legacy and modern front-end components over to a cloud-native AWS architecture.

Build and maintain clean, performant, and scalable code using a combination of microservices and microfrontend design patterns.

Embed robust security controls into the delivery pipeline, ensuring all web assets meet rigorous corporate standards.

Qualifications
5 to 10 years of professional full-stack software development experience.

Strong expertise in building responsive web applications using ReactJS.

Practical experience deploying and managing web assets via AWS CloudFront and AWS S3.

Solid backend proficiency utilizing Java and/or Kotlin.

Deep understanding of modern architectural patterns including microservices, microfrontends, and secure identity framework protocols (OpenID Connect).

Strong familiarity with web security best practices and OWASP guidelines.

Proactive learner who adapts quickly to shifting engineering environments and thrives under a Scrum/SAFe methodology.

Language requirements: Fluent in English or Bilingual.
Our client operates in Canada. The company takes all reasonable steps to limit the number of positions in Quebec that require knowledge of a language other than French, and only requires it when necessary and its existing bilingual employees are unable to perform these duties. Based on an assessment conducted by our client, it has been determined that this position requires candidates to be fluent in English (both spoken and written). In particular, this position will require the employee to interact with centralized internal departments (e.g., Operations / HR / Finance / Legal / Contracts / Sales) that support the organization in Canada and that do not speak French.

Summary
Location: Montreal, QC (Hybrid - 2 days/week on-site)

Duration: 6 Months (Contract)

Potential for Extension/Permanent Conversion: No

Position Type: Senior Full-Stack Developer

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.