About Mindtech Mindtech connects you with global projects and international teams. You will work with high standards, real challenges, and room to grow. We are more than 90 professionals in Latin America and the US, building software from end to end. Overview of the Role We're looking for a Senior Full-Stack Engineer with deep expertise in React (Next.js) and Node.js to join our team. You'll play a critical role in building and scaling user-facing features, backend APIs, and infrastructure that power high-stakes healthcare workflows. This role combines hands‑on coding, architectural design, and cross‑functional collaboration with Product and Design. Responsibilities Architect and implement scalable front‑end features using Next.js, React, Redux, and Material UI Build and maintain RESTful APIs using Node.js and Express Design and optimize MySQL data models and queries using Sequelize ORM Collaborate on end‑to‑end feature delivery across web, mobile, and API layers Implement UI and backend instrumentation and analytics (Mixpanel, Google Analytics) Write and maintain comprehensive test coverage using Jest, Mocha, and Cypress Contribute to application architecture and deployment strategy (AWS) Support integrations with EHR systems, SSO providers, and third‑party APIs Uphold HIPAA, SOC 2, and NIST 800‑53 security best practices Participate in code reviews, write clear technical documentation, and mentor junior engineers Minimum Qualifications Bachelor's degree in Computer Science or related field (or equivalent work experience) 5+ years of professional experience building full‑stack web applications Strong proficiency in Node.js, JavaScript/TypeScript, HTML, and CSS/SCSS 5+ years of experience working with React and Redux Solid experience with SQL, relational schema design, and MySQL/Sequelize Proven experience developing and maintaining REST APIs Familiarity with testing frameworks (Jest, Mocha, Cypress) Preferred Qualifications Experience with Next.js and modern SSR/SSG strategies Prior work with Material UI or other design systems Knowledge of Docker, CI/CD pipelines, and cloud services (AWS) Exposure to A/B testing frameworks (Firebase, Google Analytics) Experience with job queues, workers, or pub‑sub systems (e.g., SQS, RabbitMQ) Familiarity with serverless architectures or microservices (Lambda) Strong understanding of data privacy, access controls, and secure coding practices #J-18808-Ljbffr