Senior Fullstack Developer (Typescript/NodeJS)Resonaite • Markham, York Region, CA

Senior Fullstack Developer (Typescript / NodeJS)

Resonaite • Markham, York Region, CA

14 days ago

Job type

Full-time

Job description

Our client is seeking a Senior Developer on a contract basis to work on their modernization program. The ideal candidate has expertise in Typescript / Node.js

Location : Hybrid Markham 4d / week

Duration : 6 months

Responsibilities

Design, develop, and maintain fullstack applications using TypeScript , Node.js , and React .
Build scalable REST APIs , backend services, and integrations aligned with enterprise standards.
Participate in sprint planning, backlog refinement, architecture discussions, and technical design sessions.
Write clean, testable, well-structured code with unit, integration, and end-to-end test coverage.
Conduct code reviews, provide constructive feedback, and help raise the overall code quality.
Work closely with product managers, UX designers, and cross-functional teams to deliver customer-focused features.
Troubleshoot production issues, optimize application performance, and improve reliability.
Contribute to CI / CD pipelines, automation, and DevOps best practices.
Document technical designs, workflows, and implementation details.

Requirements

5+ years of hands-on software development experience building fullstack applications.

Strong proficiency in TypeScript and Node.js for backend development (Express, NestJS, or similar).

Experience with React , Next.js , or another modern front-end framework.

Experience designing and consuming REST APIs , and working with microservice or modular architectures.

Strong understanding of SQL and / or NoSQL databases and data modeling (PostgreSQL, MySQL, MongoDB, etc.).

Practical experience with Azure or AWS (Azure preferred), including deployments, monitoring, and cloud-based services.

Proficiency with Docker , containerized development, and modern CI / CD pipelines (Azure DevOps, GitHub Actions, etc.).

Familiarity with automated testing frameworks ( Jest , Mocha , Playwright , Cypress ).

Strong understanding of secure coding practices, authentication, and authorization ( JWT , OAuth2 , SSO ).

Excellent problem-solving skills and the ability to break down complex requirements.

Seniority level

Mid-Senior level

Employment type

Contract

Job function

Information Technology

Industries

Software Development

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Fullstack Developer • Markham, York Region, CA

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