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Twilio

Staff, Application Security Engineer

Job Summary

The role involves leading application security initiatives to enhance secure development practices and reduce vulnerabilities within Twilio's products. The engineer will develop security automation, maintain security solutions, and provide secure coding guidance while investigating vulnerabilities and supporting incident response. Candidates should have extensive experience in application security, cloud environments, and secure coding, with proficiency in programming languages like Python, Go, Java, or TypeScript. The position is remote, based in Canada, with opportunities for occasional travel and a focus on fostering secure engineering practices across teams.

Required Skills

Cloud Security
Incident Response
Application Security
Security Automation
Security Training
Container Security
CI/CD Pipelines
Web Security
Threat Research
OWASP Top 10
API Security
Secure Software Development
Secure Coding Guidelines
Vulnerability Investigation
Programming Languages (Python, Go, Java, TypeScript)
Security Certifications (optional, desired)

Benefits

Health Insurance
Paid Time Off
Parental Leave
Retirement Savings
Wellness Leave
Flexible Location Benefits

Job Description

Who we are

At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.

Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.

See yourself at Twilio

Join the team as Twilio’s next Staff, Application Security Engineer.

About the job

The Cloud and Application Security team enables delivery of secure by default products to reduce our attack surface against an evolving threat landscape. This position is needed to enhance Twilio’s Application Security capabilities to improve visibility, reduce vulnerabilities and foster secure engineering practices . This role is going to provide thought leadership and help build key aspects of the program in partnership with different InfoSec and Engineering teams.

Responsibilities

In this role, you’ll:

  • Lead Application Security initiatives across different teams to design, build and implement security best practices
  • Implement and enhance security automation within CI/CD pipelines
  • Maintain Application Security solutions, measure their effectiveness and continuously improve based on strategic priorities
  • Develop and maintain secure coding guidelines and security training for Engineers
  • Investigate security vulnerabilities and support incident response as needed
  • Research emerging threats, vulnerabilities, and attack techniques to proactively secure applications

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

  • 8+ years of experience in application security, secure software development, or related fields.
  • Hands on experience with SAST, SCA, DAST, Secrets, API Security solutions
  • Deep understanding of security for Containers, web, APIs, and cloud-native workloads (AWS, Azure, GCP).
  • Strong knowledge of OWASP top 10s and modern attack vectors
  • Proficiency in at least one programming language (Python, Go, Java, TypeScript)
  • Excellent communication and presentation skills, including an ability to communicate effectively with a diverse array of stakeholders at different levels

Desired:

  • Application Security certifications (OSCP, GWAPT, GCPN etc)
  • Experience with Threat Modeling

Location

This role will be remote and located in Alberta, Ontario or British Columbia, Canada.

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

There are many benefits to working at Twilio, including, in addition to competitive pay, things like generous time-off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

The estimated pay ranges for this role are as follows:

  • Based in British Columbia. : $143,000 - $178,000 CAD

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

Twilio is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at [email protected].

Interested in this job?

Application deadline: Open until filled

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Twilio

Connect with customers on their preferred channels—anywhere in the world. Quickly integrate powerful communication APIs to start building solutions for SMS and WhatsApp messaging, voice, and email.

See more jobs
Date PostedMay 30th, 2025
Job TypeFull Time
LocationRemote - Alberta, Canada
Salary$143,000 - $178,000
Exciting remote opportunity (requires residency in Canada) for a Staff, Application Security Engineer at Twilio. Offering $143,000 - $178,000 (full time). Explore more remote jobs on FlexHired!

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