Staff Software Engineer (L4) - Email

This position is needed to fulfill the critical role of a Software Engineer within Twilio Sendgrid, to be both hands-on in creating, deploying and managing highly available, very large scale distributed systems. Our systems processed 12 billion emails on Black Friday 2025 and we continue to scale! You will be a key contributor in one or more of these areas - Redesigning backend services to improve scalability, strengthening service security to keep up with changing threats. Delivering solutions that enhance the customer journey and developing new product offerings that provide actionable insights into the health of customers’ email programs.

• Build and operate your team's services in a distributed production environment used by millions of customers across the globe.
• Collaborate routinely with other team members as well as members of the wider organization to tackle complex problems in distributed computing.
• Help, guide, mentor and influence more junior members of the team in their career.
• Communicate effectively to executives, to your peers, and internally among your team.
• Constantly look for areas of improvement in systems and optimize.
• Be an advocate for balancing tech debt and feature development.

• 8+ years of relevant experience building highly available, scalable, fault tolerant and maintainable distributed systems to help deliver mission critical applications.
• Strong experience with Golang, Java, or similar technologies.
• Demonstrated track record in service ownership.
• Operational excellence focused mindset: understands value of monitoring with metrics and alerting; knows how to build resilient systems that are maintainable for years to come.
• Excellent written and spoken communication skills; ability to articulate and present vision to both technical and non-technical stakeholders.
• Strong technical and leadership chops - led technical decisions for your team and influenced technical decisions across your functional domains on large scale projects; led initiatives/projects that enforce operational reliability factors such as monitoring, performance and capacity planning, security, and disaster response.
• Degree in Computer Science or a related field, or equivalent work experience.

• Experience delivering software using Containers/Kubernetes.
• Experience with Kafka data pipelining.
• Experience with MySQL or AWS Aurora database systems.
• Understanding of cloud technologies and experience in at least one cloud platform: AWS, GCP, or Azure.

This role will be remote, but is not eligible to be hired in San Francisco, CA, Oakland, CA, San Jose, CA, or the surrounding areas. You may be required to travel occasionally to participate in project or team in-person meetings.

The estimated pay ranges for this role are as follows: $171,120.00 to $213,900.00

Twilio powers real-time business communications and data solutions that help companies and developers worldwide build better applications and customer experiences. Although headquartered in San Francisco, Twilio is on a journey to becoming a globally antiracist company that supports diversity, equity & inclusion wherever we do business. Twilio employs thousands of Twilions worldwide, and is looking for more builders, creators, and visionaries to help fuel growth momentum.

Apply via the official Greenhouse job posting. Twilio will never ask for payment, gift cards, cryptocurrency, or banking information during the recruiting process. Ensure you are engaging with an official @twilio.com email address.