Software Engineer (Backend), Deliverability

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.

Requirements

• 5+ 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.