Senior Full-Stack Engineer: React/Rails Lead (Remote)

Toptal; Colombia; Remote; COP 396,183,000 - 594,275,000; Full time

Job summary

Toptal is a fully remote company connecting top talents in business, design, and technology. We are seeking a Senior Full-Stack Engineer with a front-end focus to join the Billing Team and lead initiatives across React and Ruby on Rails.

You will work on multiple applications, primarily in React front-end and Rails back-end, using TypeScript and GraphQL. You’ll contribute to performance, scalability, and robust testing, while collaborating with product teams on ongoing improvements.

Qualifications

• 5+ years of web development experience.
• Proficient in React and TypeScript, able to integrate front-end components with back-end systems.
• Hands-on experience with Ruby on Rails.
• Understanding of back-end principles, databases, clean code, and testing practices.
• Proactive and adaptable, able to lead projects within cross-functional teams.
• Strong communication skills and ability to explain complex concepts clearly.

Responsibilities

• Write elegant, efficient React and Ruby on Rails code, easy to maintain and debug.
• Integrate features with React front-end components and Rails APIs.
• Maintain APIs to support front-end/back-end communication.
• Cover code with tests and participate in manual testing.
• Mentor teammates and contribute to process improvements.
• Learn and apply new concepts and technologies.

Skills

Leadership

Communication

Mentoring

Team collaboration

Tools

React

TypeScript

Ruby on Rails

Job description

Toptal is a fully remote company connecting top talents in business, design, and technology. We are seeking a Senior Full-Stack Engineer with a front-end focus to join the Billing Team and lead initiatives across React and Ruby on Rails.

You will work on multiple applications, primarily in React front-end and Rails back-end, using TypeScript and GraphQL. You’ll contribute to performance, scalability, and robust testing, while collaborating with product teams on ongoing improvements.