Principal Software Engineer

A communications platform company delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide.
$184,500 - $271,300
Security
Principal Software Engineer
Remote
5,000+ Employees
10+ years of experience
Enterprise SaaS · Cybersecurity

Description For Principal Software Engineer

Twilio is seeking a Principal Software Engineer to join their Identity & Security Products team, focusing on shaping the future of authentication, verification, and identity solutions that protect millions of users globally. This is a remote position working with Twilio's growing Identity and Security product suite including Authy, Verify and Lookup.

The role demands an accomplished technical leader who can work directly with the head of engineering, bringing both hands-on technical depth and strategic vision. The ideal candidate will excel at tackling complex technical challenges and making system-wide architectural decisions while maintaining a strong focus on customer impact. The position involves designing and implementing highly scalable distributed systems, architecting secure solutions, and leading cross-team technical initiatives.

As a Principal Engineer, you'll be responsible for driving technical excellence across multiple teams, mentoring other engineers, and making critical technical decisions that balance innovation with reliability. The role requires deep expertise in building and operating large-scale systems, with a focus on security, reliability, and performance. You'll need to stay current with industry trends and emerging threats in identity and authentication to ensure Twilio's products remain at the forefront of security best practices.

The position offers competitive compensation ranging from $184,500 to $271,300 depending on location, along with comprehensive benefits including healthcare, 401(k), paid leave, and equity participation. This is an opportunity to shape the security landscape at a company that powers communications for hundreds of thousands of businesses worldwide.

Working at Twilio means joining a remote-first culture that values diversity, inclusion, and making a global impact. The company emphasizes continuous learning, technical excellence, and maintaining a strong connection to customer needs. If you're passionate about building secure, scalable systems and want to protect millions of users while working with cutting-edge identity and security technologies, this role offers an exciting opportunity to make a significant impact.

Last updated 2 days ago

Responsibilities For Principal Software Engineer

  • Drive technical excellence by designing, implementing, and optimizing highly scalable distributed systems
  • Architect and build secure, reliable solutions that protect users against evolving threats
  • Partner with engineering leadership to define and execute technical roadmaps
  • Lead incident response, root cause analysis, and remediation efforts
  • Proactively identify opportunities for system improvement and security enhancements
  • Advocate for balance between feature development and technical debt reduction
  • Mentor engineers across multiple teams
  • Communicate complex technical concepts effectively to diverse audiences
  • Stay abreast of industry trends and emerging threats in identity and authentication

Requirements For Principal Software Engineer

  • 10+ years of experience building and operating highly scalable, distributed systems
  • Strong hands-on engineering skills
  • Demonstrated expertise in designing and implementing resilient, fault-tolerant systems
  • Experience making high-impact technical decisions
  • Proven track record of driving technical excellence
  • Strong collaborative skills
  • Deep understanding of software engineering best practices
  • Exceptional communication skills
  • Experience mentoring engineers
  • Degree in Computer Science or related field, or equivalent work experience

Benefits For Principal Software Engineer

Medical Insurance
Dental Insurance
Vision Insurance
401k
Parental Leave
  • Healthcare insurance
  • 401(k) retirement account
  • Paid sick time
  • Paid personal time off
  • Paid parental leave
  • Corporate bonus plan
  • Equity plan

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