Full-Time
Tech Lead / Senior Principal Engineer
Emerging Technologies
Updated on 8/17/2026
Twilio
5,001-10,000 employees
Cloud communications platform with APIs
No salary listed
Remote in India + 1 more
More locations: Delhi, India
Remote
Remote within specified Indian states, with occasional travel for project or team meetings.
Bachelor's
 Software Engineering (1) |
|---|
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- A bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
- At least 12 years of professional software development experience.
- Proficiency in modern programming languages such as JavaScript, Python, Java, or Go, with the ability to select the appropriate tool for the job.
- Experience building applications with front-end frameworks such as React or Angular and/or back-end frameworks such as Node.js or Spring Boot.
- A solid understanding of database technologies, including SQL and NoSQL paradigms, and when to select each.
- Mastery of an agentic coding operating model and effective use of advanced development tools, Model Context Protocol, and large language models to accelerate AI-assisted development.
- Strong problem-solving, communication, collaboration, and mentorship skills for technical discussions.
- Exceptional autonomy, including the ability to navigate ambiguity, unblock execution independently, and solve ambiguous problems without constant structural support.
- Design, develop, and own the end-to-end implementation of high-stakes prototypes and production-ready solutions.
- Drive technical direction and collaborate with cross-functional teams to experiment with, validate, and integrate artificial intelligence, machine learning, and frontier technologies.
- Establish governance for code reviews and improve engineering standards while mentoring peers to elevate code quality.
- Communicate complex technical concepts, architectural decisions, and project velocity to executive stakeholders and engineering peers.
- Navigate ambiguity and rapidly adjust technical strategies in response to changing requirements, user feedback, and market dynamics.
- Hands-on exposure to large language models, artificial intelligence, or machine learning principles or projects.
- Deep knowledge of cloud platforms such as Amazon Web Services and Microsoft Azure and distributed-systems design principles.
- Ability to ramp up on new technologies, solve well-defined problems, and iteratively build solutions.
- Passion for innovation and exploration of emerging technologies.
- Experience working in remote or globally distributed teams.
- Contributions to open-source or technology-community projects.
Twilio provides a cloud communications platform that offers APIs to add voice, messaging, video, and email into software applications. Developers use these APIs to build and scale communication features directly inside their apps. The product works by making it easy to program communications: you send calls or messages through API requests, manage video sessions, and integrate email, all on a pay-as-you-go basis that scales with usage. Twilio stands out from competitors by focusing on developer-friendly APIs that cover multiple channels in one platform, supporting customers from startups to large enterprises with global reach and optional consulting services. The company’s goal is to help any business communicate with customers at scale by providing reliable, programmable communications across channels.
Company Size
5,001-10,000
Company Stage
IPO
Headquarters
San Francisco, California
Founded
2008
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Simplify's Take
What believers are saying
- Q2 2026 revenue reached $1.50 billion, rising 22% year over year.
- Management raised 2026 organic revenue growth guidance to 13%-13.5% on August 6.
- Free cash flow hit $353 million, while share repurchases totaled $66 million.
What critics are saying
- Guidance still implies 2026 revenue growth slowing to 18%-18.5%, below Q2's 22%.
- Amazon, Google, and Microsoft bundle competing communications APIs into larger cloud contracts.
- If AI agents bypass Twilio's channels, its moat collapses into commoditized plumbing.
What makes Twilio unique
- Twilio's May 2026 Console unifies messaging, voice, email, Segment, and AI workflows.
- Its May 2026 platform adds Conversation Memory, Orchestrator, Intelligence, and Agent Connect.
- Twilio's 4,800 carrier connections and telecom compliance expertise remain hard to replicate.
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Benefits
Vacation: Twilio offers generous annual time off in all countries for you to enjoy.
Healthcare: We are dedicated to helping our employees live longer and healthier lives through comprehensive health programs.
Retirement: Twilio cares about your retirement! We offer programs to help our employees plan for their retirement needs.
Family leave: At Twilio we recognize the importance of family. We offer generous maternity, paternity, and adoption leaves, as well as family medical care leave.
Earn your stripes: Build and present a Twilio app to earn your Twilio track jacket and receive $30 per month for e‑books for continued learning and education.
Catered meals: We provide a variety of snacks, drinks, and catered meals in each of our locations.
Growth & Insights and Company News
6 month growth
↓ -7%1 year growth
↓ -7%2 year growth
↓ -7%Andrew Stafman, Director at Twilio, sold approximately 500,000 shares of Class A Common Stock on 12 August 2026 for $123.5 million, according to an SEC Form 4 filing. The transaction represents a 79% reduction in his holdings. The shares were sold at a weighted average price of $247.08 per share, following a 159% stock price appreciation over the preceding 12 months. The shares were held through various entities including Sachem Head Capital Management LP, with Scott Ferguson and Andrew Stafman sharing potential beneficial ownership. Following the sale, Stafman retains approximately 133,000 shares across direct and indirect accounts, representing roughly 0.088% of Twilio's outstanding shares. Twilio provides cloud-based communications platforms through APIs, serving customers ranging from startups to Fortune 500 companies.
Twilio reported second-quarter results that exceeded expectations, with revenue up 22% year on year to $1.50 billion, beating analyst estimates of $1.43 billion. The customer engagement platform's non-GAAP profit of $1.47 per share surpassed consensus estimates by 11.1%. The company's third-quarter revenue guidance of $1.51 billion came in 3.2% above analyst expectations. Operating margin improved to 5.6%, up from 3% in the same quarter last year, whilst free cash flow margin rose to 23.5% from 9.4% the previous quarter. Following the results announcement, Twilio's stock jumped 15.7%. The company's net revenue retention rate increased to 116%, up from 114% in the prior quarter.
For the first time in human history, a rich understanding of language is available as a utility, delivered via API, useful enough to “be metered”. Intelligence has become a tool: something you can call, compose, and build on, divorced from any individual human mind.
Rime, a San Francisco, CA-based provider of an enterprise voice AI platform, raised 24M in Series A funding
NICE and Twilio both serve the customer interaction technology market, but differ significantly in profitability and growth profiles. NICE, which provides AI-powered customer experience and financial compliance software, reported fiscal year 2025 revenue of nearly $2.9 billion, up 7.7% year-on-year. The company achieved net income of approximately $612.1 million with a 20.8% net margin. It maintains zero debt and generated free cash flow of roughly $622.8 million. Twilio offers developer tools for building messaging, voice, and email capabilities. Its fiscal year 2025 revenue grew 14% to nearly $5.1 billion. The company turned profitable with net income of approximately $33.8 million and a 0.7% net margin. Twilio generated free cash flow of approximately $1.0 billion whilst maintaining a low debt-to-equity ratio of 0.1x. NICE offers established profitability, whilst Twilio presents higher revenue growth potential.