Full Stack Engineer

4 days ago

North Andover, MA, United States Kaav Inc. Full time
Job Title: Full Stack Engineer

Location: North Andover, MA (Local or nearby candidates only)
Employment Type: Full Time
Visa: USC/GC only
Interview Process: Video Interview
Urgency: Immediate requirement
Job Overview:

We are seeking a highly skilled Full Stack Engineer to take ownership of an existing web application built with React, Node.js, AWS, MySQL, and PostgreSQL. The ideal candidate will have strong technical expertise across the full stack, including frontend, backend, and cloud infrastructure, with the ability to maintain, optimize, and enhance application performance. This role requires an ownership mindset to ensure smooth transition, system stability, and effective stakeholder communication.
Key Responsibilities:
  • Take full ownership of an existing full stack application hosted on AWS.
  • Collaborate with the current resource to understand architecture, APIs, integrations, and data models.
  • Enhance and maintain backend services using Node.js, focusing on scalability and reliability.
  • Build and optimize frontend components using React.js for excellent user experiences.
  • Manage and optimize relational databases (MySQL, PostgreSQL) for high performance.
  • Deploy, monitor, and optimize applications on AWS for cost and efficiency.
  • Troubleshoot and resolve issues across the stack (frontend, backend, database, cloud).
  • Act as a single point of accountability for application health and stakeholder communication.
Required Skills & Experience:
  • Strong 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 hands-on experience with MySQL and PostgreSQL (schema design, indexing, query optimization).
  • Knowledge of REST APIs, authentication, and integrations.
  • Strong debugging, troubleshooting, and problem-solving skills.
  • Excellent communication and collaboration skills.
Preferred Qualifications:
  • Familiarity with CI/CD pipelines and DevOps practices.
  • Experience with containerization tools (Docker, Kubernetes) on AWS.
  • Knowledge of caching and messaging systems (Redis, Memcached).
  • Prior experience with application transition/ownership roles.

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