CareerPlan

Senior Software Engineer I, Email

New York CityFull-time$129k–$232k2026-11-10
HybridNo visa sponsorship

Core

Building and maintaining core infrastructure for delivering billions of personalized emails monthly, including high-scale parallelized platforms, REST APIs, and dashboards.

Role type

Senior Software Engineer (Email Infrastructure)

Builds

Highly parallelized email delivery platform, REST APIs for subscription management, self-service web pages, and configuration dashboards

Domain

Internet / Email Infrastructure / Distributed Systems

Required skills

Full-stack development, system architecture, data structures and algorithms, performance optimization, resilience engineering

Preferred skills

Ruby, Go, TypeScript, JavaScript, MongoDB, Postgres, Ruby on Rails, React, Agile processes

Technologies

Ruby, Go, TypeScript, JavaScript, MongoDB, Postgres, Ruby on Rails, React

Responsibilities

Build new features, improve system performance, provide guidance on architectural decisions, optimize systems for resilience at scale

Seniority

Senior, hands-on IC