Remote Colombia Senior Full Stack Engineer - React/TS & AWS

SII Group Colombia; Colombia; Remote; COP 283,224,000 - 440,570,000; Full time

Job summary

Sii Group Colombia is seeking a Senior Full Stack Engineer for an international project. The role is open to candidates based in Colombia who can work in the U.S. Eastern Time zone.

You will design and build scalable applications using React.js and TypeScript, develop backend services with AWS Lambda, and build APIs with AWS AppSync/GraphQL, including real-time WebSocket features. This is a fully remote role requiring excellent English and collaboration across a multinational team.

Qualifications

• 5+ years of professional software development experience.
• Strong hands-on experience with React.js and TypeScript.
• Proven experience building backend services with AWS Lambda.
• Experience with AWS services and databases such as DynamoDB and PostgreSQL.
• Experience with GraphQL or REST APIs and real-time technologies such as WebSockets.
• Knowledge of serverless architecture, microservices, IaC, and CI/CD.
• Advanced English proficiency (B2–C1).
• Must be based in Colombia and available to work in the U.S. Eastern Time zone.

Responsibilities

• Design, build, and maintain scalable applications using React.js and TypeScript.
• Develop and optimize backend services with AWS Lambda and serverless architecture.
• Build and integrate APIs using AWS AppSync and GraphQL, including WebSocket-based real-time features.
• Contribute to architectural decisions and help ensure the performance, scalability, and reliability of AWS solutions.
• Work closely with engineering, product, and QA teams in a distributed, multinational environment.

Skills

React.js

TypeScript

AWS Lambda

DynamoDB

PostgreSQL

GraphQL

WebSockets

CI/CD

English Proficiency

Education

CS degree

Tools

AWS AppSync

Job description

Sii Group Colombia is seeking a Senior Full Stack Engineer for an international project. The role is open to candidates based in Colombia who can work in the U.S. Eastern Time zone.

You will design and build scalable applications using React.js and TypeScript, develop backend services with AWS Lambda, and build APIs with AWS AppSync/GraphQL, including real-time WebSocket features. This is a fully remote role requiring excellent English and collaboration across a multinational team.