
Senior Full Stack Developer (React & Node.js)
Applaudo Studios3 months ago
Remote, Peru or Lima, PeruSenior
Responsibilities
- Design, develop, and maintain scalable full-stack applications using TypeScript, React, and Node.js.
- Build and enhance cloud-native serverless applications using AWS Lambda, API Gateway, DynamoDB, and AWS CDK.
- Develop modern React user interfaces using established frontend patterns and component libraries.
- Design DynamoDB data models using Single-Table Design and optimized access patterns.
- Develop secure RESTful APIs following OpenAPI specifications and implement schema validation with Zod.
- Write clean, maintainable, and well-tested code while creating comprehensive unit tests and supporting API and end-to-end testing.
- Participate in code reviews and uphold standards for quality, performance, maintainability, and security.
- Troubleshoot production issues, perform root-cause analysis, and improve application reliability.
- Collaborate with software engineers, architects, product owners, and other stakeholders throughout the software development lifecycle.
- Participate in sprint planning, daily standups, retrospectives, and backlog refinement.
- Own solutions from implementation through deployment and production support.
Requirements
- At least 5 years of professional experience as a Full Stack Software Developer or Software Engineer.
- Strong production experience with TypeScript across frontend and backend development.
- Strong experience building modern web applications with React and backend services with Node.js.
- Experience designing RESTful APIs using OpenAPI and implementing schema validation with Zod or similar libraries.
- Experience building serverless applications with AWS Lambda, API Gateway, and DynamoDB.
- Strong understanding of DynamoDB Single-Table Design and access-pattern modeling.
- Experience provisioning infrastructure with AWS CDK or similar infrastructure-as-code tools.
- Experience with automated unit testing using Vitest or similar frameworks, plus familiarity with Playwright, Postman, or similar testing tools.
- Experience with modern React technologies such as TanStack Router/Query, Mantine UI, and Zustand.
- Understanding of secure coding practices involving sensitive customer information, including PII and PCI data.
- Strong communication, collaboration, analytical, problem-solving, and independent-working skills.
- Advanced written and spoken English communication skills.
- Preferred experience with SQL Server, Amazon EventBridge, OpenSearch Serverless, Playwright, AWS Associate Certification or higher, and Specification-Driven Development practices.
Tech Stack
Categories
About Applaudo Studios
Applaudo Studios provides nearshore software engineering and AI consulting to enterprises, delivering product design, custom development, cloud, and data services from Latin America. Founded in 2013 and headquartered in San Salvador, the privately held firm builds and operates web, mobile, and enterprise systems and supports digital transformation initiatives. Clients engage Applaudo for AI assessments and implementation, scalable delivery teams, and ongoing DevOps and QA support.