Senior Software Engineer

TwilioRemote - USA$139k – $173k+ EquityYesterday

Remote Senior NA Senior Software Engineer C++JavaScript Go Close

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Requirements

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!
6+ years experience in designing, building and operating production systems.
Familiarity with C/C++, production experience not necessary
Familiarity with a production-grade code base in a modern programming language, applying best practice coding standards and writing high quality code.
Bachelor’s degree in Computer Science or related industry experience.
Excellent written and verbal communication skills.
Schedule: ability to work non-standard, on-call rotation weekend and holiday hours.
Desired:
Familiarity with Javascript, Go, WebAssembly
Experience with reverse engineering and/or reverse engineering detection and prevention such as experience with browser automation, botting, and/or fraud detection and defense techniques
Offensive and/or defensive security software engineering experience
Builder at heart. Through a hobby or your profession, you are passionate about being hands on and seeing your work come to life.
Location
This role will be remote in either the US or 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.

Responsibilities

Build and own fraud detection capabilities for Stytch’s fraud platform on Twilio—go deep on browser and device internals for complex signal collection to improve identification of bad actors and keep our customers safe..
Partner with Product and Engineering leadership to set direction, translate customer needs into technical plans, and deliver high-impact roadmap features.
Collaborate across Twilio and Stytch teams to align on architecture, integrate platform capabilities, and unblock cross-team initiatives.
Operate with deep technical ownership: author design docs, drive key technical decisions, review code, and stay close to the systems you ship.
Build in ambiguity—break down complex problems, make pragmatic tradeoffs, and adopt new technologies or strategies when they improve outcomes.
Improve production quality and resilience through strong observability, incident response and remediation.
Mentor and support other engineers through pairing, feedback, and knowledge-sharing, helping raise the team’s technical bar and culture.

Benefits

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.
Please note the salary range information provided applies only to candidates residing in California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State due to local requirements. Compensation for candidates in other locations will be discussed during the hiring process. Please note that hiring for this role is not restricted to the locations listed above.
The estimated pay ranges for this role are as follows:
Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $138,700 - 173,400.
Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $146,800 - $183,600.
Based in the San Francisco Bay area, California: $163,100 - 203,900.
This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.
The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.
Applications for this role are intended to be accepted until May 21st, 2026, but may change based on business needs.
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.