Senior Full-Stack Engineer | React/Node & Cloud

Applaudo; Comisión de Fomento de Perú; On-site; ARS 139,086,000 - 231,811,000; Full time

Job summary

Applaudo is seeking a Senior Full Stack Developer to deliver scalable, reliable web applications across frontend and cloud-native backend environments. You will work with TypeScript end-to-end, building serverless services and efficient data models, while upholding secure, well-tested code and autonomous ownership.

You will design and maintain modern frontends with React 19 and libraries, develop AWS serverless backends, and ensure robust data modeling, API design, and deployment practices

Qualifications

• Bachelor's degree or equivalent professional experience.
• Extensive experience delivering production-grade full-stack applications.
• Strong React 19 experience with listed libraries.
• Experience building serverless apps on AWS (Lambda, API Gateway, DynamoDB).
• NoSQL data modeling with DynamoDB Single-Table Design.
• RESTful APIs using OpenAPI and Zod schemas.
• Infrastructure as code with AWS CDK; IAM concepts understood.
• CI/CD pipelines and code quality tools (Bitbucket Pipelines, SonarCloud, ESLint).
• Unit tests with Vitest; Playwright and Postman for API and E2E testing.
• Secure coding practices incl. PII/PCI.
• Spec-Driven Development with Kiro; ADRs.
• Strong troubleshooting, ownership of deployments and reliability.

Responsibilities

• Design, develop, and maintain production-quality full-stack apps with TypeScript, React, and Node.js.
• Build frontend features with React 19 and libraries like TanStack Router, TanStack Query, Mantine, Zustand.
• Develop AWS serverless backends using Lambda, API Gateway, and DynamoDB.
• Design DynamoDB data models with Single-Table Design and access patterns.
• Implement RESTful APIs validated with OpenAPI and Zod schemas.
• Provision and maintain cloud infrastructure with AWS CDK following security practices.
• Develop automated unit tests with Vitest and support API/E2E testing per QA patterns.
• Apply secure coding practices to protect sensitive data including payment info.
• Own deployments, troubleshooting, root-cause analysis, and reliability.
• Collaborate with Engineering, QA, Product; follow architecture decisions and CI/CD workflows.
• Participate in Agile ceremonies and contribute to performance and maintainability improvements.

Skills

Full Stack Development

React expertise

TypeScript

Cloud-native AWS

Testing with Vitest

CI/CD & code quality

OpenAPI & Zod

Security practices

Education

Bachelor’s Degree in Computer Science or related field

Tools

React 19

TanStack Router

TanStack Query

Mantine

Zustand

AWS CDK

Lambda

API Gateway

DynamoDB

OpenAPI

Postman

Vitest

Playwright

Bitbucket Pipelines

SonarCloud

ESLint

Kiro

Job description

Applaudo is seeking a Senior Full Stack Developer to deliver scalable, reliable web applications across frontend and cloud-native backend environments. You will work with TypeScript end-to-end, building serverless services and efficient data models, while upholding secure, well-tested code and autonomous ownership.

You will design and maintain modern frontends with React 19 and libraries, develop AWS serverless backends, and ensure robust data modeling, API design, and deployment practices