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Senior Software Engineer – Full Stack

Publicis Groupe


Job Location:

Toronto - Canada

Yearly Salary: CAD 125000 - 160000
Posted: 2 October 2026 (10 hours ago)
Application Deadline: 30 December 2026
Vacancies: 1 Vacancy

Job Summary

Company Description

Publicis Sapient is a digital transformation partner helping established organizations get to their future digitally enabled state both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods fusing strategy consulting and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next our 20000 people in 53 offices around the world combine experience across technology data sciences consulting and customer obsession to accelerate our clients businesses through designing the products and services their customers truly value.

Overview
As a Senior Full Stack Developer you will design and build scalable high-performing applications that support complex business-critical and transactional platforms. You will work across the full technology stack collaborating with cross-functional teams to develop modern user experiences APIs microservices and distributed systems.

Must-Have Qualifications

  • 7 years of experience as a Full Stack Developer with expertise in:
    • Front-End Development: Proficiency in React and Javascript for building dynamic and responsive user interfaces.
    • Back-End Development: Strong experience with Java (Spring Boot) and Python with FastAPI for developing scalable high-performance services.
  • Proficiency in building and consuming REST APIs and working with microservices architectures.
  • Strong understanding of:
    • RDBMS: Oracle MSSQL PostgreSQL or similar databases.
    • NoSQL: MongoDB ELK or similar technologies.
  • Experience with messaging platforms such as Solace MQ Kafka or similar technologies.
  • Hands-on experience with DevOps practices including:
    • CI/CD pipelines.
    • Infrastructure automation tools such as Ansible scripts and HELM charts.
  • Understanding of containerization and orchestration technologies including Docker Kubernetes and OpenShift.
  • Strong debugging and problem-solving skills with the ability to work independently on complex tasks.
  • Familiarity with Agile methodologies and hands-on experience with tools such as JIRA and Confluence.
  • Ability and willingness to share knowledge and mentor junior developers promoting engineering best practices.
  • Experience building and supporting transactional and financial systems.

Nice-to-Have Qualifications

  • Experience with Python web frameworks such as Flask or Django for lightweight web development.
  • Domain expertise in SWIFT Payments and ISO 20022 standards.
  • Experience with payment-processing applications such as:
    • Payment Hubs
    • Wire Engine
    • Wire Room
    • Similar payment platforms
  • Knowledge of cloud platforms including AWS Azure or GCP and distributed systems.
  • Experience integrating security protocols such as JWT and OAuth into applications.
  • Exposure to event-driven architectures and distributed systems.
Additional Information

Pay Range: $125000 - $160000

The range shown represents a grouping of relevant ranges currently in use at Publicis Sapient. Actual range for this position may differ depending on location and specific skillset required for the work itself.

Benefits of Working Here:

  • Generous paid vacation and 15 paid holidays

  • Maternity and paternity leave (birth or adoption)

  • Gym travel retail and phone service discounts

  • Tuition reimbursement

  • Corporate gift matching program

As part of our dedication to an inclusive and diverse workforce Publicis Sapient is committed to Equal Employment Opportunity without regard for race color national origin ethnicity gender protected veteran status disability sexual orientation gender identity or religion. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability you may contact us at


Required Experience:

Senior IC


About Company

Publicis Media is one of the four solutions hubs of Publicis Groupe ([Euronext Paris FR0000130577, CAC 40], alongside Publicis Communications, Publicis.Sapient and Publicis Healthcare. Led by Steve King, CEO, Publicis Media is powered by its five global brands, Starcom, Zenith, Spark ... View more

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