-
Quantum World Technologies Inc.

Back End Developer

Quantum World Technologies Inc.
Canada · Contract · Mid-Senior

Backend API Developer (Node.js / NestJS / Python)

Toronto, ON

Hybrid 3 Days a week

Contract , Hybrid Opportunity


Primary skills : Node.js with NestJS, Python, DB2, MongoDB

Secondary skills : Experience in deploying Kubernetes based cloud environments

Job Summary

We are seeking a Backend API Developer to design, develop, and maintain scalable, secure, and high-performance backend services and APIs. This role focuses on building cloud-native applications using Node.js (NestJS), and Python, deployed to Kubernetes-based cloud environments.

The position involves working with both enterprise and NoSQL databases (DB2 and Mongo DB), implementing strong security controls, and ensuring high code quality through automated testing and best practices. Key Responsibilities• Design, develop, and maintain RESTful APIs and backend services using:o Node.js with NestJ So Python• Build and operate cloud-native microservices designed for Kubernetes deployment• Develop and optimize database integrations with DB2 and MongoDB• Implement secure authentication and authorization mechanisms using OAuth 2.0and JWT• Apply OWASP secure coding standards across all applications• Write clean, maintainable, and well-documented code• Create and maintain automated unit, integration, and API tests• Collaborate with DevOps, frontend, and architecture teams throughout the development lifecycle• Participate in system design reviews, code reviews, and architectural discussions• Troubleshoot, debug, and optimize services for performance, scalability, and reliability• Support CI/CD pipelines and production readiness activities Project Delivery• Lead and participate in system planning, technical design reviews, and project coordination with other IT teams.• Estimate development e Qorts, create or update documentation, and ensure compliance with SDLC and Change Management policies.• Communicate how proposed system changes impact business processes and other dependent systems.•

Manage multiple development assignments simultaneously while ensuring timely delivery of high-quality features.

Education & Experience•

Bachelor’s degree in Computer Science, Engineering, or equivalent professional experience.

Key Skills

Ranked by relevance

cloud kubernetes python microservices restful apis devops nosql owasp oauth cicd
Login to Apply
Posted
May 15, 2026
Type
Contract
Level
Mid-Senior
Location
Toronto

Industries

Banking Financial Services IT Services IT Consulting

Categories

Engineering Consulting Strategy/Planning

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Hire Feed
Related

Backend Developer (Remote)

2026-06-19

Contract
Not Applicable
United Arab Emirates
Technology
Research
View Job Details
Hire Feed
Related

Go Software Engineer (Remote)

2026-06-19

Contract
Not Applicable
United Arab Emirates
Artificial Intelligence
Engineering
View Job Details
Hire Feed
Related

Financial Software Engineer (Remote)

2026-06-19

Contract
Not Applicable
United Arab Emirates
Technology
Research