Full-stack developer (Ruby/React)
TLDR
Contribute to building and maintaining robust integrations using Ruby on Rails and TypeScript, enhancing reliability and overall integration architecture across a collaborative platform.
[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.
Walter is an innovative startup that focuses on building advanced AI solutions for various industries, including healthcare and finance. We're creating a platform that not only empowers professionals, particularly in Latin America, to streamline financial transactions but also develops AI-powered products aimed at enhancing user experiences across millions of global connections.