Senior Cloud Software Engineer This position is needed to help out the Edge Services team. The team is responsible for the ingestion of Twilio’s Web Console and API traffic, and its supporting services. As part of the Edge Platform organization, we provide building blocks for all Twilio customers and engineers alike, with high-availability and low-latency requirements, in order to effectively enable over billions of inbound requests every day. Responsibilities Lead the execution end-to-end: Design and lead the implementation of scalable, high-availability cloud infrastructure, moving beyond feature work to drive long-term platform strategy while championing Twilio’s progress over perfection mindset to deliver continuous, high-impact shipments. Operational Excellence: Own the reliability of services handling billions of weekly requests, setting the standard for operational best practices and incident response. Infrastructure Strategy: Drive the evolution of our Infrastructure as Code (IaC) patterns using Terraform, ensuring modularity, security, and reusability across the organization. Aim for a self‑service approach to keep the team’s toil at minimum. Continuous optimization: Continuously look for optimizations in our pipelines/releases/deliveries that balance rapid deployment with rigorous safety checks. Technical Mentorship and Reviews: Actively mentor L1 and L2 engineers and help with code reviews, design docs, and pair programming to foster a culture of technical excellence. Cross‑Functional Influence: Collaborate with cross teams, product and engineering leadership to align technical roadmap, debt reduction and new feature deliveries. Continuous Innovation: Own and continuously research and prototype to optimize Twilio’s API infrastructure to provide best‑in‑class service to the customers. Qualifications 5+ years of professional experience in Cloud, DevOps, or Site Reliability Engineering (SRE), with deep proficiency in Python, Java, Go or another language of choice. Architectural depth: Proven track record of designing and deploying complex AWS cloud‑native solutions (e.g., CloudFront, multitenancies, DNS, caching strategies, WAF, Lambda, S3, hosting solutions) at scale. IaC expert: Advanced experience with Terraform, including writing custom providers or managing state at scale across multiple environments. System reliability: Deep understanding of SLIs, SLOs, golden signals, error budgets and establishing monitoring strategies; in‑depth experience using Datadog, Grafana, or Athena to drive data‑informed engineering decisions. Strong background in microservices architecture, specifically regarding traffic routing, rate limiting, and service discovery. Demonstrated ability to lead technical projects from conception to completion, navigating trade‑offs and communicating complex technical concepts to non-technical stakeholders. Experience implementing security‑at‑scale, including WAF management, DDoS mitigation, and zero‑trust architectures. Platform engineering previous experience, passion for building internal developer platforms that abstract infrastructure complexity for product teams. A proven track record of contributing to the cloud‑native or networking ecosystem, and contributions to public Terraform providers or similar open‑source initiatives. Location This role will be remote, based in Spain. Travel Occasional travel may be required to participate in project or team in‑person meetings. Benefits Competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and more. Offerings vary by location. Equal Opportunity Employer Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E‑Verify program in certain locations, as required by law. #J-18808-Ljbffr
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