Senior Fullstack Developer (React/Node JS)
Applaudo Studios1 day ago
Remote, Mexico or Mexico City, MexicoSenior
Responsibilities
- Design, develop, and maintain full-stack applications using TypeScript, React, and Node.js.
- Build frontend features with React 19, TanStack Router, TanStack Query, Mantine, and Zustand.
- Develop AWS serverless services using Lambda, API Gateway, and DynamoDB.
- Design and optimize DynamoDB single-table data models based on application access patterns.
- Implement RESTful APIs and validate inputs and outputs with OpenAPI-driven Zod schemas.
- Provision and maintain cloud infrastructure using AWS CDK while following security and deployment practices.
- Develop unit tests with Vitest and support API and end-to-end testing.
- Own application deployments, production troubleshooting, root-cause analysis, reliability, and maintenance.
- Collaborate with Engineering, QA, and Product teams and participate in Agile ceremonies.
- Contribute to application performance, maintainability, and engineering-process improvements.
Requirements
- Strong professional experience in full-stack development delivering production-grade frontend and backend applications.
- Advanced proficiency in TypeScript and JavaScript, including hands-on Node.js experience.
- Strong experience with React and modern web application libraries.
- Proven experience developing AWS serverless applications with Lambda, API Gateway, and DynamoDB.
- Strong knowledge of NoSQL data modeling, especially DynamoDB Single-Table Design and access-pattern optimization.
- Experience designing RESTful APIs with OpenAPI and Zod.
- Experience with AWS CDK and understanding of AWS IAM concepts.
- Familiarity with Bitbucket Pipelines, SonarCloud, and ESLint.
- Experience with Vitest and automated API and end-to-end testing tools such as Playwright and Postman.
- Knowledge of secure coding practices and PII and PCI security requirements.
- Experience with Spec-Driven Development and Kiro.
- Strong troubleshooting, root-cause analysis, communication, collaboration, and problem-solving skills.
- Ability to work autonomously within established architectures, technical standards, and ADRs.
- Fluent written and spoken English.
- A bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field is desired, or equivalent professional experience.
- Nice-to-have qualifications include SQL Server, OpenSearch Serverless, Amazon EventBridge, and AWS Associate-level or higher certifications.
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.