
Principal Engineer (L5)
Twilio · Posted Sep 25
Cloud-based customer engagement platform providing APIs for messaging, voice, email, and customer data orchestration
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About the role
Twilio is shaping the future of communications as a remote-first company. As a Principal Engineer on the Twilio Segment Data platform/pipelines team, you'll build and scale systems that process several hundred thousands of data points per second. You will lead the development of high-scale ingestion and data processing systems, guiding the team in designing, operating and maintaining complex distributed systems, ensuring reliability, performance, and cost-efficiency while querying petabytes of data for the customer data platform (CDP).
What you will do
- Own and deliver robust, high-scale routing experiences for the Data platform/ pipelines team for Twilio Segment.
- Architect and operate always-available, complex distributed systems in cloud environments.
- Guide technical decisions, articulating trade-offs between cost, performance, and reliability.
- Translate complex technical strategies into actionable plans for diverse stakeholders, including Product Managers and Architects
Skills used in this role
What the employer is looking for
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Hands-on experience with high-scale messaging/streaming systems and processing engines (several thousand events/sec).
- Excellent abilities in high level service design -- modeling interfaces and internals in a properly modular, composable, and extensible way.
- Expert programming experience in Go or similar object-oriented languages.
- Demonstrated experience identifying, prototyping, and deploying GenAI/LLM solutions to solve real-world engineering or data processing challenges.
- Technical depth in distributed systems, high-scale ingestion, and cloud-native architecture.
- Excellent communication, problem-solving, and operational excellence skills.
Preferred qualifications
- Proficiency with datastores, distributed caching, and container technologies (Docker/Kubernetes).
- Experience with modern CI/CD pipelines and observability tools (Datadog, Grafana, Prometheus).
- Familiarity with AI/ML technologies.
- Experience managing and operating AWS infrastructure
- Experience working in a geographically distributed team.
Benefits and support
- competitive pay
- generous time off
- ample parental and wellness leave
- healthcare
- a retirement savings program
- and much more
About Twilio
Twilio is a cloud communications platform-as-a-service company that allows software developers to programmatically make and receive phone calls, send and receive text messages, and perform other communication functions using its web service APIs. The company also offers customer engagement software and a customer data platform, Twilio Segment, to help businesses personalize interactions at scale. Today, it operates as a key infrastructure provider powering digital communications for brands worldwide.
- Industry
- Cloud Communications
- Company size
- 5000-10000 employees
- Founded
- 2008
- Location
- San Francisco, California, USA
- Funding stage
- Public Company
Funding
Public Company · $240M raised
- 2021-07-31Post IPO Debt
- 2018-05-01Post IPO Equity
- 2015-07-31Series E
Leadership
Chief Executive Officer
Chief Financial Officer
Chief Administrative Officer
President, Twilio Segment / Chief Revenue Officer
Chief Marketing Officer
Recent coverage
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