Senior Application Security Engineer (L3)

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 Senior Application Security Engineer (L3).

About the Job

The Cloud and Application Security team enables the 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 will provide thought leadership and help build key aspects of the program in partnership with different InfoSec and Engineering teams. This role will have a high impact.

Responsibilities

In this role, you’ll:

• Contribute and 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:

• 5+ years of experience in application security, secure software development, or related fields.
• Hands-on experience with SAST, SCA, DAST, Secrets Management, and API Security solutions.
• Experience with securing 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 based in India (Karnataka, Maharashtra, New Delhi, Tamilnadu, Telangana).

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

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

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.