Senior Software Engineer (Backend), Deliverability

Front•San Francisco, CA

21h•Hybrid

About The Position

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. Front handles the coordination and context behind complex B2B customer relationships, with over 9,000 companies relying on it. Backed by Sequoia Capital and Salesforce Ventures, Front has raised $204M and received numerous Great Place to Work accolades. The company is looking for two experienced backend Software Engineers to join its Deliverability team in San Francisco. This team is responsible for the core systems that power Front, specifically the pipeline connecting Front to the external world, processing tens of millions of events for emails, SMS, and other messages quickly and reliably. The role involves owning critical infrastructure, taking on a technical leadership role, and building performant, scalable, and reliable deliverability systems.

Requirements

3+ years of professional software engineering experience
Strong experience building and operating high-scale, distributed backend systems
Comfort owning complex systems and making architectural decisions with real production impact
A collaborative, low-ego approach to engineering and cross-team partnerships
Experience with on-call responsibilities and a strong sense of ownership over system reliability
Product mindset, building scalable and extensible solutions that meet customer requirements
Fluency in a dynamic language like Javascript (Typescript), Python, Ruby, or similar
Strong track record of launching and delivering projects of significant complexity and high level of ambiguity
Experience architecting, deploying and operating asynchronous work queues, high-volume storage systems, or high-throughput systems
Understand the trade-offs in employing different engineering solutions to a problem, valuing pragmatism over idealism
Ability to thrive in a dynamic, fast-paced, collaborative, and high-growth environment

Nice To Haves

Prior experience at a B2B SaaS or customer communications company
Familiarity with email sending at high volume (millions of messages/day)
Experience with DNS infrastructure
Experience working on software systems built on Amazon Web Services
Deep knowledge of the email stack and assorted RFCs
Experience with anti-spam infrastructure to prevent bad actors from exploiting an email service
Built deep integrations with an email delivery service like SendGrid, MailGun, Mandrill or SparkPost
Experience with Gmail or Office 365 APIs
Experience with Kafka

Responsibilities

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
Collaborate with other systems and infrastructure teams to build upon next-generation architecture
Collaborate closely with product managers, product designers and other engineers to conceptualize, build, and test new product features

Benefits

Competitive salary
Equity (we are post-series D & backed by some of the best VCs in the US)
Private health insurance, including plan options at no cost to employees
Paid parental leave
Flexible time off policy
Flexibility to work from home Monday and Friday, unless posted as a fully remote role
Mental health support with Workplace Options
Family planning support with Maven
$100 per month Lifestyle Stipend to spend on fitness, health and wellness, and other activities
Wellness Days - Fronteers get an additional day off on months with no holidays
Winter Break - Our offices are closed from Christmas to New Year's Day!