Senior Software Engineer

Jobtailor

Mississauga

On-site

CAD 110,000 - 150,000

Full time

14 days+

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Job summary

Jobtailor is seeking an experienced full-stack engineer in Mississauga to design and build scalable features using Python (FastAPI/Django) and React/TypeScript. You will create RESTful APIs and GraphQL endpoints, compose reusable UI components, and participate in architecture reviews within a regulated healthcare IT context.

You will implement domain-driven microservices, secure access controls, and data modeling across SQL/NoSQL databases, while integrating HL7/FHIR standards and third-party

Qualifications

Bachelor's or master's degree in Computer Science, Engineering, or related field.
5–8 years of professional software development experience.
Strong proficiency in Python 3.10+ and FastAPI or Django REST Framework.
Solid experience with React.js, TypeScript, and modern CSS.
Hands-on experience with PostgreSQL or MySQL and query optimization.
Familiarity with Docker and Kubernetes.
Experience with AWS or Azure and CI/CD pipeline management.
Strong RESTful API design, versioning, and documentation.
Working knowledge of Agile methodologies and JIRA.
Preferred: experience in Life Sciences, Healthcare IT, or regulated software environments.
Preferred: exposure to CDISC, HL7 FHIR, or EDC/CTMS platforms.
Preferred: Kafka or RabbitMQ event-driven architecture experience.
Preferred: AWS Certified Developer or equivalent cloud certification.
Preferred: Python data science ecosystem, AI/ML, or LLM-powered enterprise features.
Preferred: open-source contributions or published technical content.

Responsibilities

Design and develop full-stack features using Python/FastAPI or Django and React/TypeScript.
Build and maintain RESTful APIs and GraphQL endpoints.
Develop reusable UI components and integrate with backend services.
Participate in architecture reviews and technical design decisions.
Develop microservices using domain-driven design and 12-factor app principles.
Implement secure authentication and authorization.
Optimize SQL/NoSQL queries, manage database migrations, and design data models.
Integrate third-party APIs, HL7/FHIR standards, and clinical data systems.
Write unit, integration, and end-to-end tests.
Support IQ/OQ/PQ validation activities and maintain traceability from requirements to code.
Participate in code reviews and enforce coding standards.
Work in Agile/Scrum sprints and contribute to planning, grooming, and retrospectives.
Partner with QA on test planning, defect triage, and release readiness.
Document technical designs, API specifications, and runbooks.
Mentor junior developers and support onboarding.

Skills

Python 3.10+

FastAPI or Django

React.js/TypeScript

RESTful API Design

GraphQL

Agile

JIRA

AWS/Azure

Docker

Kubernetes

SQL/NoSQL optimization

Domain-Driven Design

Healthcare IT / Life Sciences

HL7 FHIR / CDISC

Open-source contributions

Education

Bachelor's or Master's in CS/Engineering

Tools

PostgreSQL

MySQL

Docker

Kubernetes

Job description

Design and develop full-stack features using Python/FastAPI or Django and React/TypeScript
Build and maintain RESTful APIs and GraphQL endpoints
Develop reusable UI components and integrate them with backend services
Participate in architecture reviews and technical design decisions
Develop microservices using domain-driven design and 12-factor app principles
Implement secure authentication and authorization
Optimize SQL/NoSQL queries, manage database migrations, and design data models
Integrate third-party APIs, HL7/FHIR standards, and clinical data systems
Write unit, integration, and end-to-end tests
Support IQ/OQ/PQ validation activities and maintain requirements-to-code traceability
Participate in code reviews and enforce coding standards
Work in Agile/Scrum sprints and contribute to planning, grooming, and retrospectives
Partner with QA on test planning, defect triage, and release readiness
Document technical designs, API specifications, and runbooks
Mentor junior developers and support onboarding

Requirements

Bachelor's or master’s degree in computer science, Engineering, or a related field
5–8 years of professional software development experience
Strong proficiency in Python 3.10+ and FastAPI or Django REST Framework
Solid experience with React.js, TypeScript, and modern CSS
Hands-on experience with PostgreSQL or MySQL and query optimization
Familiarity with Docker and Kubernetes
Experience with AWS or Azure and CI/CD pipeline management
Strong understanding of RESTful API design, versioning, and documentation
Working knowledge of Agile methodologies and JIRA
Preferred: experience in Life Sciences, Healthcare IT, or regulated software environments
Preferred: exposure to CDISC, HL7 FHIR, or EDC/CTMS platforms
Preferred: Kafka or RabbitMQ event-driven architecture experience
Preferred: AWS Certified Developer or equivalent cloud certification
Preferred: Python data science ecosystem, AI/ML, or LLM-powered enterprise features
Preferred: open-source contributions or published technical content

Core Competencies

Demonstrates expertise in full-stack development with a strong focus on Python, FastAPI, and React, while ensuring adherence to Agile methodologies and best practices in API design and database management. Capable of mentoring junior developers and participating in architectural decision-making within regulated environments.

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