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TMX Lead Developer

Cynet SystemsToronto, ON🇺🇸United StatesPosted 7 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

We are looking for TMX Lead Developer for our client in Toronto, ON

Job Title: TMX Lead Developer

Job Location: Toronto, ON

Job Type: Contract

Job Overview:

Requirement/Must Have:

  • 1+ years of experience in React.js, Node.js, JavaScript (ES6+), RESTful APIs, Microservices, Enterprise Web Application Development.
  • Strong verbal and written communication skills.
  • Ability to communicate effectively with stakeholders.

Responsibilities:

  • Lead end-to-end application design, development, testing, and deployment activities.
  • Provide technical direction and architectural guidance for enterprise web applications.
  • Define development standards, coding guidelines, best practices, and quality controls.
  • Conduct code reviews and ensure adherence to security, performance, and maintainability standards.
  • Drive technical discussions and solution design workshops with business and technical stakeholders.
  • Evaluate new technologies, frameworks, and tools to improve development efficiency and solution quality.
  • Design and develop responsive, scalable, and high-performance web applications using React JS, Node JS, and JavaScript.
  • Build reusable components, APIs, microservices, and shared libraries for enterprise applications.
  • Develop RESTful APIs and backend services using Node JS.
  • Integrate applications with databases, third-party systems, authentication platforms, and cloud services.
  • Optimize application performance, scalability, and security.
  • Troubleshoot complex technical issues and provide effective solutions.
  • Lead and mentor development teams comprising developers, UI engineers, and technical specialists.
  • Estimate effort, manage technical dependencies, and support project planning activities.
  • Collaborate with architects, business analysts, QA teams, and DevOps teams to ensure successful project delivery.
  • Participate in Agile ceremonies including sprint planning, daily stand-ups, retrospectives, and backlog grooming.
  • Track technical progress, identify risks, and proactively address delivery challenges.

Skills:

  • React.js.
  • Node.js.
  • JavaScript (ES6+).
  • RESTful APIs.
  • Microservices.
  • Application Architecture & Design.
  • Technical Leadership / Team Leadership.
  • Code Reviews & Coding Standards.
  • Performance Optimization & Security.
  • API Integration.
  • Agile/Scrum.
  • DevOps Collaboration.

Benefits
Our Benefits Include:
  • Medical, Dental, and Vision Insurance
  • 401(k) Retirement Plan
  • Health Savings Account (HSA)
  • Disability Insurance (Short-Term and Long-Term)
  • Life and AD&D Insurance
  • Paid Sick Leave (where required by applicable state or local law)
  • Supplemental Insurance Plans
  • Identity Theft Protection
  • Pet Insurance
  • Employee Wellness Programs
  • Employee Assistance Program (EAP)
  • Career Growth and Professional Development Opportunities
Disclaimer: Benefits eligibility, accrual rates, and usage limits may vary based on employment status, length of service, and work location. Paid Sick Leave is provided in strict accordance with applicable state and municipal mandates. Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time in accordance with applicable laws.

About Cynet Systems

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading technology staffing and workforce solutions company serving Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
As a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Our organization is certified to ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality, security, operational excellence, and customer success.

Skills

Microservices
Node.js
SOC 2
Scrum
Agile
JavaScript
React

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