Senior Infrastructure Engineer

Details

• Build and own the infrastructure and platform capabilities that power Stytch’s identity platform as it scales across Twilio—ensuring security, reliability, and performance for every customer.
• Design, implement, and operate scalable cloud infrastructure (AWS/EKS, ECS, networking, data stores), balancing uptime, cost, and developer velocity.
• Partner closely with Product and Engineering leadership to set infrastructure direction, translate platform needs into technical plans, and deliver high-impact roadmap work.
• 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, automated remediation, and continuous reliability engineering.
• Make developers’ lives easier by building self-service tooling, safer deployment patterns, and reliable platform primitives that accelerate product teams.
• Mentor and support other engineers through pairing, feedback, and knowledge-sharing, helping raise the team’s technical bar and culture.
• 6+ years of experience as an Infrastructure or Platform Engineer building and operating high-scale, mission-critical cloud production systems.
• Strong experience with containerization and orchestration (Kubernetes/EKS, Docker), Infrastructure as Code (Terraform, GitOps, or similar) and AWS.
• Hands-on proficiency in at least one modern programming language used in production.
• Experience designing and running observability and on-call systems (e.g., Datadog, ELK, Prometheus/Grafana).
• Experience scaling cloud infrastructure for distributed systems, including relational databases and high-availability service architectures.
• Excellent written and verbal communication skills; comfortable writing design docs and leading technical discussions.
• Bachelor’s degree in Computer Science or equivalent practical experience.
• Schedule: ability to work non-standard, on-call rotation weekend and holiday hours.
• Experience with multi-region or global infrastructure, including disaster recovery and data replication strategies.
• Familiarity with enterprise-scale platform challenges: multi-tenant infrastructure, compliance, and cost/performance optimization.
• Builder at heart. Through a hobby or your profession, you are passionate about being hands on and seeing your work come to life.
• Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $141,520 - 176,900.
• Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $149,840 - 187,300.
• Based in the San Francisco Bay area, California: $166,400 - 208,000.
• 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.