Twilio SendGrid is hiring a remote US-based Software Engineer (L2) to build, deploy, and manage highly available, large-scale distributed backend systems. Core responsibilities include redesigning backend services for scalability, improving service security, delivering customer-facing features, and ensuring monitoring and automation. The role requires 3+ years of experience and proficiency in Go or similar typed languages; occasional travel may be required. Note: the role is not eligible to be hired in CA, NY, WA, PA, or CT (and other listed exclusions in the posting).

Twilio is hiring a Software Engineer to work on the Segment CDP team building scalable backend systems and APIs. The role is remote within the US (not eligible in certain US states), requires 2+ years writing production-grade code (Go/Java/Python or similar), experience operating large-scale distributed systems on cloud (AWS), hands-on Kubernetes/EKS/ECS, large-scale async processing, and shipping services via CI/CD. Responsibilities include system design, performance troubleshooting, reliability improvements, cross-functional collaboration, and participating in an on-call rotation.

Twilio is hiring a Software Engineer (L2) for the Segment customer data platform to design and build scalable backend systems and APIs, troubleshoot reliability issues, and participate in on-call rotation. Requires 2+ years writing production-grade code (Go, Java, Python or similar), experience with large-scale distributed systems on cloud infrastructure (AWS), container orchestration (Kubernetes/EKS/ECS), async processing and CI/CD. No mandatory travel is anticipated; role is remote within the US (certain US states excluded).

Twilio SendGrid is hiring a Software Engineer (L2) to design, deploy, and manage large-scale distributed backend services for email. Role focuses on scalability, service security, monitoring/observability, and improving the customer email journey. Requires 3+ years of experience and proficiency with Go or similar typed languages; experience with containerization (Docker/Kubernetes), infrastructure as code (Terraform), databases (MySQL/Aurora), messaging (Kafka), and cloud providers (AWS/GCP/Azure) is desired. Role is remote within the USA (not eligible for hire in certain US states listed in the posting) and may require occasional travel for in-person meetings.

Join Twilio as a Senior Software Engineer working on Stytch identity products: design and build backend APIs for authentication, authorization and agentic/non-human identity use cases. Responsibilities include shipping API surfaces, driving architecture and technical decisions, improving production quality and mentoring engineers. Required: 6+ years building and operating high-scale cloud production systems and extensive RESTful API experience. Preferred familiarity with Go, TypeScript and DynamoDB. Role is remote (US), may require occasional travel and on-call rotation. Salary ranges provided for various US locations.

Twilio is hiring a Staff Software Engineer for the Voice Connectivity Trust team (remote, based in Ireland). Role requires 8+ years working on JVM-based large-scale distributed applications, strong CS fundamentals, hands-on Java, experience with RESTful APIs, event-driven architectures (Kafka, SQS), CI/CD, monitoring (Prometheus, Datadog, Grafana), cloud platforms (AWS/GCP/Azure/OpenStack), on-call/incident response, and working with AI coding assistants. SIP and STIR/SHAKEN experience is desired. Occasional travel may be required.

Twilio is hiring a remote (US) Software Engineer L3 for the SendGrid email platform to architect, build, deploy, and operate massive-scale, highly available backend services. The role focuses on modernizing Go-based microservices, managing dual-cloud infrastructure (AWS and Azure) with Terraform, standardizing observability and distributed tracing, and mentoring junior engineers. Candidates should have 4+ years of professional experience building resilient backend systems; note this role is remote but not eligible to be hired in CA, CT, NJ, NY, PA, or WA.

Twilio is hiring a Staff Software Engineer (P4) to lead architecture and technical strategy for the Compliance Experiences platform (Phone Numbers and KYC). The role requires 12+ years building high-availability, cloud-native distributed systems, expert proficiency in Java or Go, deep AWS experience, microservices and platform thinking, experience with LLM/AI-driven development workflows, and working knowledge of data processing tools (SQL/NoSQL, Redis, Kafka, Spark). The position is remote and based in the West Coast, USA; occasional travel may be required.

Twilio is hiring a Principal Engineer for the Segment data platform/pipelines team to design, operate, and scale distributed systems handling high-rate data ingestion and processing. The role requires strong expertise in Go or similar languages, distributed systems, cloud-native architectures, and experience with streaming/messaging systems, along with demonstrated work prototyping/deploying GenAI/LLM solutions. The position is remote and restricted to candidates based in India (specified states).

Join Twilio's Voice & Video Postflight team to build next-generation distributed systems, design low-latency/high-scale APIs, and optimize distributed database environments (PostgreSQL/Aurora). Requires 5+ years of backend/infrastructure experience, strong Java/Spring/Dropwizard skills, familiarity with AWS or GCP, and operational ownership of 24x7 production services. Role is Dublin-based with occasional travel and ad-hoc in-person meetings.

Twilio is hiring a Remote (USA) Software Engineer (L2) to design, implement, operate and maintain high-throughput, low-latency distributed services. Required qualifications include 2+ years working with JVM/Java in large-scale distributed environments, RESTful API and event-driven architectures (Kafka, SQS), CI/CD, cloud infrastructure (AWS/GCP/OpenStack/Azure), monitoring and on-call experience (Prometheus, Datadog, Grafana), strong CS fundamentals, and familiarity with AI coding assistants. Occasional travel may be required; hiring is remote within the USA (not eligible in CA, NY, WA, PA, CT).

Twilio is hiring a remote US-based Software Engineer (L2) to join the Stytch team and build backend product capabilities for an identity platform. Responsibilities include shipping API surfaces and authentication flows, partnering with product and engineering leadership, improving production quality and observability, mentoring engineers, and participating in on-call rotations. Required: 3+ years building and operating high-scale cloud production systems, experience with production-grade code bases, RESTful API design, and a bachelor's in CS or equivalent.