Senior Fullstack Developer, React/Node JS

This is a fully remote position, open to applicants in Mexico.

📋 Description

• Design, develop, and maintain production-quality full-stack applications utilizing TypeScript, React, and Node.js.

• Create modern frontend features with React 19 and supporting libraries, including TanStack Router, TanStack Query, Mantine, and Zustand.

• Develop and sustain AWS serverless backend services using Lambda, API Gateway, and DynamoDB.

• Design and optimize DynamoDB data models employing Single-Table Design and specific application access patterns.

• Implement RESTful APIs and validate inputs and outputs utilizing OpenAPI-driven Zod schemas.

• Provision and manage cloud infrastructure with AWS CDK, adhering to established deployment and security protocols.

• Create automated unit tests using Vitest and support API and end-to-end testing initiatives following established QA practices.

• Apply secure coding standards to safeguard sensitive personal and payment data.

• Assume responsibility for application deployments, production troubleshooting, root-cause analysis, and system reliability.

• Collaborate with Engineering, QA, and Product teams to deliver high-quality solutions that meet business requirements.

• Adhere to established architectural decisions, coding standards, CI/CD workflows, and code quality practices.

• Actively participate in Agile ceremonies, such as sprint planning, daily stand-ups, and retrospectives.

• Contribute to ongoing enhancements in application performance, maintainability, and engineering practices.

⛳️ Requirements

• A Bachelor’s Degree in Computer Science, Information Technology, Software Engineering, or a related field is preferred, or equivalent professional experience.

• Significant professional experience in Full Stack Development, delivering production-grade applications in both frontend and backend environments.

• Advanced proficiency in TypeScript and JavaScript, including practical experience with Node.js.

• Extensive experience in developing modern web applications using React, ideally React 19, along with libraries such as TanStack Router, TanStack Query, Mantine, or Zustand.

• Proven experience in developing serverless applications on AWS, encompassing Lambda, API Gateway, and DynamoDB.

• Strong understanding of NoSQL data modeling, particularly focusing on DynamoDB Single-Table Design and access-pattern optimization.

• Experience in designing and developing RESTful APIs utilizing OpenAPI specifications and Zod for schema validation.

• Familiarity with Infrastructure as Code using AWS CDK and a solid understanding of AWS IAM concepts.

• Knowledge of CI/CD pipelines and code quality tools such as Bitbucket Pipelines, SonarCloud, and ESLint.

• Experience in developing unit tests with Vitest and supporting automated API and end-to-end testing using tools like Playwright and Postman.

• Understanding of secure coding practices, particularly PII and PCI security requirements.

• Experience with Spec-Driven Development methodologies and tools such as Kiro.

• Strong troubleshooting and root-cause analysis abilities, with accountability for application deployment, reliability, and maintenance.

• Capability to work independently within established architectural patterns, technical standards, and Architecture Decision Records (ADRs).

• Excellent communication, collaboration, and problem-solving skills, with the ability to contribute effectively in Agile development teams.

• Fluent proficiency in English, both written and spoken.

• Nice to Have: Experience with SQL Server, especially in data synchronization or integration environments.

• Nice to Have: Experience with OpenSearch Serverless.

• Nice to Have: Knowledge of event-driven architectures using Amazon EventBridge.

• Nice to Have: AWS certifications at the Associate level or higher.

🏝️ Benefits

• Competitive salary and performance-based bonuses.

• Comprehensive health, dental, and vision insurance.

• Opportunities for professional development and career advancement.

• Flexible working hours and remote work options.

• Collaborative and inclusive company culture.