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Quantum World Technologies Inc.

Sr Full Stack Engineer

North America

July 8, 2026 at 8:12 PM

✨ AI summary

Location

  • Scarborough, Ontario, Canada

Programming Languages

  • JavaScript
  • TypeScript
  • PHP
  • Java
  • HTML
  • CSS
  • SASS

Frameworks

  • React
  • React Native
  • Next.js
  • Node.js
  • Express.js
  • SpringBoot

Cloud Services

  • GCP Cloud SQL
  • Azure

Databases

  • MySQL
  • MongoDB
  • PostgreSQL
  • Spanner
  • Azure SQL Server
  • Azure SQL MI

Experience Level

  • 10+ years of experience

Senior Full Stack Developer/Lead

Location: 2201 Eglinton Ave East, Scarborough

Hybrid: 3-4 days in-office

Anchor days: Thursday. Flexible other days


About Role :


Looking for a highly experienced Senior Full Stack Developer with deep expertise in modern Front-end and back-end technologies. The ideal candidate should bring strong technical skills proven experience in delivering scalable applications and ability to lead development efforts end to end.


Key Responsibilities :


  • Design, Develop and maintain scalable web applications
  • Lead architectural discussions, code reviews and best practice implementation
  • Collaborate with cross-functional teams including Designers ,BSA, Back-end team and QA
  • Optimize application for maximum performance and scalability
  • Ensure technical feasibility of UI/UX designs (FIGMA) and implement responsive, user-friendly interfaces
  • Work with databases, BFF layers and APIs to build secure and efficient Front-end systems



Technical Skills Required :


  • Front-end : React, React Native, Next.js, JavaScript, TypeScript, HTML, CSS, SASS, Tailwind, Bootstrap, Semantic UI
  • Back-end: Node.js, Express.js, PHP
  • Databases: MySQL, MongoDB , PostgreSQL
  • Other Skills: Strong debugging, performance optimization and problem-solving abilities
  • RESTful Services: designing and consuming REST APIs
  • Microservices Development or Integration – Familiarity with REST APIs
  • Software Architectural Design Concept
  • Knowledge of Java/JVM/SpringBoot framework
  • Knowledge of automated build tools (Maven / Gradle (ability to write/modify build methods via Gradle)


Databases:

  • Experience with Cloud Hosted Database (GCP Cloud SQL, Spanner or Azure: MySQL, Azure SQL Server, Azure SQL MI)


APIs:

  • RESTful Services: designing and consuming REST APIs
  • Microservices Development or Integration – Familiarity with REST APIs
  • Software Architectural Design Concept
  • Knowledge of Java/JVM/SpringBoot framework
  • Knowledge of automated build tools (Maven / Gradle (ability to write/modify build methods via Gradle)


Qualifications :


  • 10+ years of experience of hands-on software development experience
  • Proven track record of building and deploying full-stack applications at scale
  • Solid understanding of software development life cycle, Agile methodologies and best coding practice
  • Excellent communication and leadership skills