Full Stack Engineer / Application Support

Role Overview
We are seeking a Full Stack Engineer experienced in building and managing modern web applications with React, Node.js, AWS, MySQL, and PostgreSQL. The candidate will take responsibility for an existing application, understand it end-to-end, and ensure a seamless transition from the current resource.The role requires strong technical depth across backend, frontend, and cloud infrastructure, combined with an ownership mindset to manage application health, enhancements, and stakeholder communication.Key ResponsibilitiesTake complete ownership of an existing full stack application hosted on AWS.Work closely with the current resource to understand the systems architecture, data model, APIs, and integrations.Maintain and enhance backend services built with Node.js, ensuring scalability, reliability, and performance.Develop and optimize frontend components using React for a seamless user experience.Manage and optimize relational databases (MySQL and PostgreSQL) for high availability and efficient performance.Implement application deployments, monitoring, and cost optimization strategies on AWS.Troubleshoot issues across the stack (frontend, backend, database, cloud).Collaborate with stakeholders and act as the single point of accountability for the application.Required Skills & ExperienceStrong experience with AWS services (EC2, RDS, S3, Lambda, API Gateway, etc.).Proficiency in Node.js for backend development.Expertise in React.js for modern frontend development.Solid understanding and hands-on experience with MySQL and PostgreSQL (schema design, indexing, query optimization).Knowledge of REST APIs, authentication, and integration best practices.Ability to quickly analyze, document, and own existing systems.Strong problem-solving and debugging skills.Excellent communication skills for cross-functional collaboration.Preferred QualificationsFamiliarity with CI/CD pipelines and DevOps practices.Experience with containerization (Docker, Kubernetes) on AWS.Exposure to caching (Redis, Memcached) and messaging systems.Background in application transition or ownership roles.