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Senior Application Security Developer

atVenu

atVenu

Software Engineering
Calgary, AB, Canada
Posted on Mar 10, 2026
Senior Application Security Developer

Reports To:
Development Manager, Engineering & Security

About the Job:

With atVenu's accelerated growth, we need a Senior Application Security Developer to join the team. The successful candidate will be an adept Rails/React developer who enjoys looking backwards, refactoring legacy code to fix vulnerabilities, while keeping an eye towards the future, developing new infrastructure features. They will have a familiarity with PCI, GDPR and SOC2 compliance/regulatory standards, and will have a keen interest in staying abreast of emerging security threats. They will be considered a subject matter expert in the field of software security on a busy engineering team. Experience leveraging AI tools in software engineering and security would be nice to have.

Our Tech Stack:
  • Front End: React Native, React, JavaScript
  • Backend: Ruby, Rails, GraphQL, PostgreSQL, Redis, CouchDb
  • Cloud Platform: AWS
  • Tools: GitHub, Sidekiq, Docker
You Will:
  • Help shape our maturing security vulnerability management program, in support of our PCI DSS and SOC2 security compliance obligations
  • Participate in vulnerability assessments, security audits, penetration tests and resolution of any findings
  • Complete security code reviews with the use of scanning tools and manual inspection
  • Support incident response and architecture review processes when application security expertise is required
  • Integrate threat modeling practices into the product development life cycle
  • Review/analyze security logs/reports from a variety of sources; propose/implement recommendations for improvement
  • Conduct real time tactical management of security events in collaboration with the compliance and engineering teams
  • Create and execute phishing campaigns inclusive of ongoing review/analysis/risk prioritization of authentic phishing emails
  • Support Vendor Management activities to ensure security standards are adhered to
You Should Have:
  • 8+ years of developer experience, with at least 3 of those years specialized in security vulnerability management
  • Proficiency with Ruby on Rails and React
  • Proven experience in mobile application development (IOS/Android)
  • Direct experience with enterprise server platforms, virtualized technology and cloud operations (AWS, Docker)
  • Expertise in employing analytics/threat intelligence techniques, incident response process and software security
  • Deep knowledge of compliance and privacy management across North America and Europe
  • Experienced in the use of the development and testing tools with strong knowledge of networking security
  • Excellent communicator capable of explaining vulnerabilities and weaknesses and discussing effective defensive techniques to technical/non-technical team members
Nice to have:
  • Programming experience in
    • unix/mac,javascript/ruby/shell
    • reactjs/react-native/graphq/rest/rails/sidekiq/postgres/couchdb/redis
    • stripe/heroku/aws/github/rubymine