Senior Cybersecurity Engineer

Toronto, ON
On-site
Posted Oct 21, 2026
1 position

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Employment type: Contract
Experience level: Mid-level · 2+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Associate
Application method: Direct apply is available

Job summary

Maintain and enhance enterprise applications, including resolving defects and production issues and developing backend services in Python and frontend components in JavaScript. Provide developer support and contribute to code reviews, testing, deployments, and cross-functional efforts to improve system stability, performance, and reliability.

Job details

Job Description: Cybersecurity Engineer – Cyber, Data & Security Employment Type: Contract Role: Codewise Maintenance & Enhancements Job Summary We are seeking a skilled Senior Engineer with 3–5 years of experience in Python and JavaScript to support ongoing Codewise maintenance and enhancements across enterprise Cyber, Data, and Security platforms. The ideal candidate will handle bug fixes, application enhancements, troubleshooting, and developer support to ensure system stability, performance, and reliability. Key Responsibilities Perform ongoing maintenance and enhancements for enterprise applications. Identify, troubleshoot, and resolve software defects and production issues. Develop and maintain backend services using Python and frontend components using JavaScript. Provide technical and developer support for existing applications and systems. Analyze code, debug issues, and implement effective solutions. Support code reviews, testing, and deployment activities. Collaborate with cross-functional teams to improve application performance and reliability. Follow established coding standards, security practices, and documentation procedures. Required Skills 3–5 years of hands-on experience in software development and application maintenance. Strong programming experience in Python and JavaScript. Experience with debugging, troubleshooting, bug fixes, and production support. Understanding of REST APIs, application integration, and software development life cycle (SDLC). Familiarity with Git or other version control tools. Strong analytical, problem-solving, and communication skills. Preferred Qualifications Experience supporting enterprise applications in Cybersecurity, Data, or Information Security environments. Familiarity with automated testing, CI/CD pipelines, and deployment processes. Knowledge of secure coding practices and application performance optimization.

What you’ll do

Requirements

Requires 3–5 years of software development and application maintenance experience, strong Python and JavaScript skills, and experience with debugging, troubleshooting, bug fixes, and production support. Candidates should understand REST APIs, application integration, SDLC, and version control; experience with enterprise security environments, automated testing, CI/CD, and secure coding is preferred.