Senior Software Engineer - Email Channel @Customer.io

Overview

The role is for a Senior Software Engineer at Customer.io, focusing on building and scaling the email channel, which includes both frontend experiences and backend systems.

Key Responsibilities

• Build and evolve the frontend experiences for campaign creation, preview, and analysis.
• Design and scale backend systems for processing high message volumes, including queue management and real-time event pipelines.
• Create automated systems responding to feedback signals from external providers.
• Collaborate with domain experts to transform knowledge into automated tooling.
• Instrument and monitor channel health end to end.
• Own problems from architecture to deployment and monitoring.
• Participate in on-call rotation as required.
• Share knowledge through mentorship and content creation.
• Utilize AI agents for efficient multi-file changes.

Requirements

• 7+ years of experience in building scalable, distributed systems using Go or similar languages.
• Experience in product-facing frontend development with React or equivalent.
• Proficient in building/consuming APIs for high-throughput workloads.
• Experience with cloud-native environments (AWS, GCP).
• Familiarity with relational databases, particularly MySQL.
• Experience in observability tooling and production system operation.
• Strong decision-making skills with a bias for action.
• Nice to have: familiarity with email infrastructure and deliverability standards.

Benefits

Starting salary range is $150,000 - $200,000 USD. Benefits include 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for employees and their families, 16 weeks paid parental leave, unlimited PTO, remote work and wellness stipends, and a professional development budget.

Location

Remote (Americas)

How to Apply

Application is made via the company’s recruitment process. Interested candidates are encouraged to share their interest.

Deadline

No specific deadline mentioned.