Senior Fullstack Engineer (React/Node) - AWS Serverless

Applaudo; Medellín; Presencial; COP 90.000.000 - 130.000.000; Jornada completa

Descripción de la vacante

Applaudo is seeking a Senior Full Stack Developer to design, build, and maintain scalable applications across frontend React and cloud-native backend environments. You will work with TypeScript across the stack, implement serverless services on AWS, and optimize DynamoDB data models for performance.

You will own deployments, collaborate with cross-functional teams, and uphold secure, testable code with ADRs and established CI/CD practices. Fluent English and autonomous work style are essential.

Formación

• Bachelor’s Degree in Computer Science or related field, or equivalent experience.
• Proven full stack development experience across frontend and backend.
• Strong React experience with modern libraries (TanStack, Mantine, Zustand).
• Experience building AWS serverless apps using Lambda, API Gateway, DynamoDB.
• Expertise in DynamoDB single-table design and access patterns.
• REST APIs designed with OpenAPI; Zod for schema validation.
• Infra as Code with AWS CDK; IAM concepts.
• CI/CD with Bitbucket Pipelines; code quality tools.
• Unit tests with Vitest; API/e2E testing with Playwright/Postman.
• Secure coding practices and PCI/PII considerations.
• Spec-Driven Development, ADRs, and autonomous ownership.
• Fluent English, strong communication and teamwork.

Responsabilidades

• Design and maintain production-grade full-stack apps using TypeScript, React, Node.js.
• Build frontend features with React 19 and supporting libraries.
• Develop AWS serverless backends with Lambda, API Gateway, DynamoDB.
• Model DynamoDB data with Single-Table Design for efficient access.
• Implement RESTful APIs with OpenAPI and Zod schemas.
• Provision cloud infrastructure with AWS CDK following security practices.
• Write automated unit tests with Vitest; support API and E2E testing.
• Follow secure coding practices to protect sensitive data.
• Own deployments, production troubleshooting, and reliability.
• Collaborate with Engineering/QA/Product; align with business requirements.
• Adhere to architecture decisions, CI/CD workflows, and coding standards.

Conocimientos

Full Stack Development

React

Serverless

DynamoDB data modeling

OpenAPI & Zod validation

AWS CDK

CI/CD pipelines

Vitest

Agile

English fluency

Educación

Bachelor’s Degree in Computer Science / IT / Software Engineering

Herramientas

AWS Lambda

API Gateway

DynamoDB

Bitbucket Pipelines

SonarCloud

ESLint

Playwright

Postman

Kiro

OpenSearch Serverless

Amazon EventBridge

AWS certifications

Descripción del empleo

Applaudo is seeking a Senior Full Stack Developer to design, build, and maintain scalable applications across frontend React and cloud-native backend environments. You will work with TypeScript across the stack, implement serverless services on AWS, and optimize DynamoDB data models for performance.

You will own deployments, collaborate with cross-functional teams, and uphold secure, testable code with ADRs and established CI/CD practices. Fluent English and autonomous work style are essential.