Software Engineer (L2)

Role Overview

At Twilio, we’re shaping the future of communications. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. We are a remote-first company with a strong culture of connection and global inclusion.

Join the team as Twilio’s next Software Engineer (L2). The Developer Interfaces team builds key tools enabling developers to use the Twilio Communications and Engagement Platform via simple cloud APIs. The team operates across many coding languages including Java, C#, Python, Go, PHP, Node.js, and Ruby, building SDKs and engaging with the Open Source community.

Responsibilities

• Design, implement, and maintain scalable, high-availability cloud infrastructure for Twilio’s microservices.
• Operate and maintain highly available services handling billions of weekly requests.
• Manage Infrastructure as Code (IaC) using tools like Terraform, ensuring operational best practices.
• Build and optimize CI/CD pipelines to support continuous integration and deployment.
• Monitor, troubleshoot, and ensure uptime of services through on-call rotations and incident response.
• Collaborate with cross-functional teams in agile ceremonies to drive technical excellence.
• Continuously improve cloud-based services, focusing on reliability, performance, and scalability.
• Research and improve the design and implementation of Twilio’s API infrastructure regularly.

Requirements

Required:

• 2-4 years of experience in backend engineering, with proficiency in one or more object oriented programming languages, preferably Python or Java.
• Thorough understanding of Open API specifications and API standards.
• Hands-on experience in the generation of SDKs and CLI tools.
• Good experience with building and managing CI/CD pipelines (e.g., Buildkite), optimizing deployments, release process and maintaining high reliability through SLOs.
• Exposure to SLO tracking tools such as Datadog, and log management solutions like AWS CloudWatch, Athena, Grafana.
• Previous exposure to service-oriented architectures, microservices, or REST APIs.
• Hands-on experience with making changes in production systems.
• Ability to collaborate effectively within an agile, fast-paced team, understanding the full software development lifecycle.
• Strong decision-making skills, balancing between the pros and cons of various cloud technologies, with a focus on making practical, scalable choices.