About The Role

We are seeking an experienced Senior Fullstack Developer to join a project for one of the largest foundations in the field of pre-school education in the US. You will play a key role in building a brand-new platform from the ground up, working closely with an international team.

Responsibilities
- Build and customize Shopify-based frontend solutions using JavaScript.
- Develop backend services using TypeScript in a serverless architecture on AWS.
- Implement and maintain APIs using AWS AppSync (GraphQL) and API Gateway (REST).
- Design and manage workflow orchestration using AWS Step Functions.
- Work with AWS services such as Lambda, DynamoDB, S3, and Infrastructure as Code using AWS CDK.
- Collaborate closely with a US-based product and engineering team, ensuring smooth communication and delivery.
- Participate in architectural decisions, code reviews, and technical discussions.




- Ensure high-quality code, performance, security, and scalability of the platform.

Requirements
- Strong hands-on experience with vanilla JavaScript and Typescript.
- Backend experience with Node.js and AWS serverless stack (Lambda, AppSync/GraphQL, API Gateway, DynamoDB, S3, CDK).
- Good understanding of REST and GraphQL APIs.
- English at C1 level

Nice To Have
- Experience in building and customizing Shopify-based frontend solutions using JavaScript.
- Auth0 experience

Additional Information
- You will collaborate closely with a US-based team. Availability for overlap with US Pacific Time working hours (10:00–14:00 PST).
- Ability to provide a no-criminal-record certificate

📌 Senior Fullstack Developer (Rincón de los Sauces)
🏢 Unravel
📍 Rincón de los Sauces