Senior Software Engineer (Backend), Deliverability

Front is the customer operations platform built for B2B complexity, keeping every team, tool, and customer conversation in sync so companies can scale without losing connection. Others handle simple interactions. Front handles the coordination and context behind complex B2B customer relationships. Over 9,000 companies, including Uber Freight, Navan, and Stripe, rely on Front because it's the only one that can run the operational layer that makes customer-facing work actually succeed.

Backed by Sequoia Capital and Salesforce Ventures, Front has raised $204M from leading venture capital firms and independent investors including top executives at Atlassian, Okta, Qualtrics, Zoom, and PagerDuty. Front has received numerous Great Place to Work accolades, including Built In's 100 Best Midsize Places to Work in SF 2025 https://builtin.com/awards/san-francisco/2025/best-midsize-places-to-work?utm_campaign=bptw-2025&utm_content=article&utm_medium=website&utm_source=editorial, Top Places to Work by USA Today 2025 https://topworkplaces.com/company/front/, Y Combinator's list of Top Companies in 2023 https://www.ycombinator.com/topcompanies, #4 on Fortune’s Best Workplaces in the Bay Area™ https://www.greatplacetowork.com/best-workplaces/bay-area/2022?category=small-and-medium ,Inc. Magazine's 2022 Best Workplaces list https://www.inc.com/best-workplaces/2022, and Forbes Best Startup Employers 2022 List https://www.forbes.com/lists/americas-best-startup-employers/?sh=661411d52ad7.

We're looking for two experienced backend Software Engineers to join our Deliverability team in San Francisco. This team is responsible for the core systems that power Front - the pipeline that connects Front to the external world - which process tens of millions of events delivering emails, SMS, and other messages to and from Front quickly and reliably. You'll own critical infrastructure that our customers depend on and take on a technical leadership role within the team, building upon our deliverability systems that need to be performant, scalable and reliable, all at once.

What will you be doing?

• Serve as a technical lead on the Deliverability team, driving the architecture and execution of major infrastructure and product projects

• Own and improve high-volume email infrastructure and decisioning systems spanning ingestion, routing, and outbound delivery, driving deliverability outcomes at scale

• Own key services that power Front and lead architectural evolutions to build for reliability and scale