Senior Fullstack Developer (React/Node JS)

Location: Remote from Mexico City, CDMX, Mexico

Company

hirify.global designs, builds, and scales AI-powered solutions across software development, cloud, data, and artificial intelligence.

What you will do

• Design, develop, and maintain production-quality full-stack applications with TypeScript, React, and Node.js.
• Build React 19 frontend features using TanStack Router, TanStack Query, Mantine, and Zustand.
• Develop AWS serverless services with Lambda, API Gateway, and DynamoDB, including Single-Table Design and access-pattern optimization.
• Design RESTful APIs with OpenAPI-driven Zod validation and provision infrastructure with AWS CDK.
• Develop unit tests with Vitest and support API and end-to-end testing with Playwright and Postman.
• Own deployments, production troubleshooting, root-cause analysis, reliability, security, and continuous improvement while collaborating with Engineering, QA, and Product.

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 React experience, preferably React 19, and familiarity with TanStack Router, TanStack Query, Mantine, or Zustand.
• Proven AWS serverless experience with Lambda, API Gateway, and DynamoDB, including NoSQL Single-Table Design and access-pattern optimization.
• Experience designing RESTful APIs with OpenAPI specifications and Zod schema validation.
• Experience with AWS CDK, AWS IAM concepts, CI/CD pipelines, Bitbucket Pipelines, SonarCloud, and ESLint.
• Experience with Vitest unit testing and automated API and end-to-end testing using tools such as Playwright and Postman.
• Knowledge of secure coding practices covering PII and PCI requirements, plus Spec-Driven Development tools such as Kiro.
• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field is desired, or equivalent professional experience. Strong troubleshooting, root-cause analysis, communication, collaboration, autonomy, Agile teamwork, and ability to work within established architectures, standards, and ADRs are required.
• Fluent English proficiency, both written and spoken, is required.

Nice to have

• SQL Server experience, particularly in data synchronization or integration environments.
• OpenSearch Serverless experience.
• Knowledge of event-driven architectures using Amazon EventBridge.
• AWS Associate-level certification or higher.

Culture & Benefits

• Remote work arrangement from Mexico.
• Collaborative Agile environment with participation in sprint planning, daily stand-ups, and retrospectives.
• Culture centered on Empowering Excellence, Collaborative Teamwork, Unsolicited Respect, Consistent Transparency, and Efficient Communication.
• Environment focused on learning quickly, ownership, modern ways of working, and AI-native transformation.