Full-stack developer (Ruby/React)

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.