Software Engineer L3

This is a critical engineering role within Twilio SendGrid, requiring a hands-on engineer to develop, deploy, and manage highly available, massive-scale distributed systems. The systems process more than 12 billion emails during peak events like Black Friday. The role involves modernizing backend systems, optimizing Go-based microservices, and contributing to the design and reliability of a dual-cloud infrastructure spanning AWS and Azure.

• Architect and ship reliable, high-velocity features with low end-to-end latency.
• Drive rigorous code reviews and maintainable patterns in the Go codebase, ensuring high testing standards.
• Manage and enhance cloud configurations across AWS and Azure using Terraform.
• Ensure deep observability coverage with metrics, alerts, and distributed tracing.
• Champion engineering health by identifying technical debt and single points of failure.
• Mentor junior engineers and lead technical sprint planning.

Required: 4+ years of professional software engineering experience building resilient backend services at scale; practical experience with AI-assisted development tools (e.g., Claude Code); strong production experience with Go, Java, or Python; experience with AWS and Azure core services; proficiency with Terraform; strong understanding of distributed datastores, caching, and asynchronous event streaming (e.g., Kafka); solid computer science fundamentals.

Desired: Experience with containerized infrastructure (Docker, Kubernetes), database migration pathways, OpenTelemetry or distributed tracing, and network topology/proxy/MTA protocols.

Remote - US, not eligible in CA, CT, NJ, NY, PA, WA. Occasional travel may be required.

Estimated pay ranges: $138,700 - $173,400 for CO, HI, IL, MD, MA, MN, VT, DC; $146,800 - $183,600 for NY, NJ, WA, CA (outside SF Bay); $163,100 - $203,900 for SF Bay area. Eligible for equity and corporate bonus plans.

Health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

Apply via the provided link.