Senior Software (TypeScript/Ruby/React) Engineer

Kake

📍 Brasil, BR, Brazil

Full-time Other-General Posted March 01, 2026

Job Description

Summary We’re looking for a Senior Software Engineer to help shape and scale a modern web experience for a fast-paced, consumer-facing product team. You’ll work closely with cross-functional stakeholders to deliver elegant, performant, and maintainable applications using TypeScript, Ruby on Rails and React . This role is ideal for someone who possesses a high level of agency, a doer mentality, and the ability to maintain a full product vision while shipping high-quality code at speed. Core Requirements : Mastery of TypeScript and React for building complex, scalable web applications. 5 years of professional experience in frontend development with a proven track record of shipping production-grade software. Experience working with Ruby on Rails (or interest in a product where RoR is core) Prior experience in the Trading, Brokerage, or Wealth Management industries. Demonstrated high level of agency and a proactive doer mentality, with the ability to hit the ground running and own feature...