Staff Software Engineer – L4
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Job Description
Staff Backend Engineer setting technical direction for Twilio Flex’s scalable TaskRouter backend. Designing resilient AWS services for Twilio’s customer engagement platform.
Responsibilities:
- Design, develop, and maintain backend services powering Twilio Flex’s high-scale TaskRouter system
- Set and own technical direction for high-scale, business-critical backend services running on AWS
- Lead large distributed-systems changes involving scalability, data architecture, fault isolation, and migration strategy
- Improve availability and resilience for Tier 0 systems while balancing reliability, cost, and delivery speed
- Partner with engineering, platform, and product teams to align designs and unblock dependencies
- Raise engineering standards through design reviews, code reviews, and mentorship
- Drive operational excellence through observability, gamedays, incident response, and permanent fixes
- Influence roadmap priorities and represent the team’s technical position across the organization
Requirements:
- 8+ years of experience writing production-grade backend code in a modern programming language such as Java, Golang, Python, or Scala
- Strong fundamentals and experience building fault-tolerant distributed systems, event-driven architectures, and database design
- Experience working with AWS cloud-based infrastructure
- Experience designing and building high-scale, low-latency APIs
- Experience with MySQL, PostgreSQL, or DynamoDB
- Strong debugging and troubleshooting skills for complex distributed applications
- Experience shipping services following the CI/CD development paradigm
- Effective communication skills and ability to collaborate in a fast-paced team environment
- Comfort with ambiguity and problem-solving in a rapidly growing company
Benefits:
- Competitive pay
- Generous time off
- Parental leave
- Wellness leave
- Healthcare
- Retirement savings program
- Volunteering and donation support
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