Full-stack developer (Ruby/React)

About this role

[Summary]
A leading collaborative design platform is seeking an experienced backend-focused engineer to enhance and evolve an integration-driven application. The project is centered on building and maintaining robust integrations using Ruby on Rails and TypeScript, with a strong emphasis on designing, implementing, and scaling connections with third-party systems.
The role will contribute to improving reliability, extensibility, and overall integration architecture across the platform.

[General information]
They are looking for a senior-level engineer with strong experience in Ruby on Rails and TypeScript, and a proven background in building and maintaining complex integrations. The ideal candidate is comfortable working with multiple external APIs, designing integration workflows, and collaborating closely with product and engineering teams.

[Task and Deliverables]
Design, develop, and maintain backend services using Ruby on Rails to support integrations.
Build and extend integration logic using TypeScript, ensuring reliability and scalability.
Integrate the platform with third-party APIs and external systems.
Collaborate with internal teams to define integration requirements and technical solutions.
Improve existing integration architecture with a focus on maintainability, performance, and observability.
Document integration flows and provide technical recommendations for future improvements.

[Engagement highlights]
Opportunity to work on high-impact integrations used by thousands of end users.

Collaborative environment with experienced engineers.

Potential for long-term collaboration based on performance and project outcomes.

Requirements
[Required Experience]
Strong experience with Ruby on Rails in production environments.

Experience with TypeScript.

Proven background building and maintaining integrations with third-party APIs.

Solid understanding of RESTful APIs, webhooks, and asynchronous workflows.

Experience working in collaborative, cross-functional engineering teams.

Experience integrating identity services, especially using OAuth.

[Nice to have]
Hands-on experience with Google APIs (Calendar, Chat, etc.) and app integrations.

Familiarity with MCP (Model Context Protocol).

Prior experience building integrations for SaaS or productivity tools.