CareerPlan

Senior Software Engineer I

New York CityFull-time$129k–$209k2026-11-07
No visa sponsorship

Core

Build foundational frontend systems, components, tools, and patterns used by engineers across Braze, including the design system, component library, and navigation/routing layer.

Role type

Senior IC frontend infrastructure engineer

Builds

Design system, component library, internationalization stack, code generation tooling, navigation/routing layer, and customer-facing editors (drag-and-drop, rich text, code editors)

Domain

SaaS marketing platform

Required skills

TypeScript, React, frontend architecture, system design, code review, technical leadership, accessibility, performance optimization, large codebase navigation

Preferred skills

Design system creation, frontend testing (Cypress, Jest), code generation tooling, internationalization/localization, Ruby on Rails

Technologies

TypeScript, React, Cypress, Jest, RSpec, Ruby on Rails

Responsibilities

Design and build foundational frontend systems and components; lead large projects end-to-end; improve developer experience via abstractions and tooling; build polished customer-facing product experiences; partner with cross-functional teams; mentor engineers through code review and guidance

Seniority

Senior, hands-on IC