Senior Software Engineer – Full Stack

Jobs in JS; Toronto (IA); On-site; USD 115,000 - 145,000; Full time

Benefits offered by this job

Vacation time

Paid holidays

Parental leave

Discounts

Tuition reimbursement

Gift matching

Job summary

Publicis Sapient is seeking a Senior Full Stack Developer to design and build scalable, high-performing applications across the full tech stack. You will collaborate with cross-functional teams to develop modern user experiences, APIs, microservices, and distributed systems.

Must-have qualifications cover 5–7 years of experience with Angular/React, Java Spring Boot or Python FastAPI, REST APIs, and databases including Oracle, MSSQL and PostgreSQL.

Qualifications

• 5–7 years of experience as a Full Stack Developer with modern frameworks.
• Front-end: Angular or React in production-grade apps.
• Back-end: Java Spring Boot or Python FastAPI for scalable services.
• Experience building and consuming REST APIs and microservices.
• Databases: Oracle, MSSQL, PostgreSQL; NoSQL: MongoDB, ELK.
• Messaging: Kafka, MQ, Solace; DevOps: CI/CD pipelines, Ansible, Helm.
• Containers: Docker, Kubernetes, OpenShift; Agile tools: JIRA, Confluence.

Skills

Angular

React

Java Spring Boot

Python FastAPI

REST APIs

Microservices

Oracle

MSSQL

PostgreSQL

MongoDB

ELK

Kafka

MQ

Solace

CI/CD

Ansible

Helm

Docker

Kubernetes

OpenShift

JIRA

Confluence

Mentoring

Transactional systems

Job description

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 20,000+ 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 aSenior 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

• 5–7 years of experience as a Full Stack Developer, with expertise in:
  • Front-End Development: Proficiency in Angular, React, or similar frameworks for building dynamic and responsive user interfaces.
  • Back-End Development: Strong experience with Java (Spring Boot) OR 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: $115,000 - $145,000

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 [e-mail]