Full Stack Engineer – Web Apps; React + AWS

Overview

We are seeking a Full Stack Software Engineer to join our team in Lowell, MA. This role focuses on building end-to-end web applications that interface with our AWS-based IoT platform. You will develop both user-facing web applications and the cloud-backed services that power them, working across frontend, backend, and AWS infrastructure to deliver real-time monitoring and control systems for emergency communication devices.

This is an onsite role in Lowell, MA (no remote).U.S. work authorization required

• Define and support the design and development of AWS Cloud-based applications for intelligent emergency reporting systems and devices
• Build real-time applications that interact with physical devices via MQTT and AWS IoT Core
• Configure and maintain basic AWS infrastructure (Cloud Watch, logging, alarms, deployments)
• Collaborate with hardware, firmware, and mobile teams to deliver cohesive system functionality
• Participate in architecture discussions and help evolve system design

• Strong experience building full-stack web applications
• Experience with React, Angular, or Vue
• Solid understanding of HTML, CSS, and responsive UI design
• Backend experience with Node.js
• Experience working with APIs (REST or Graph
  
  QL)
• Cloud / AWS Experience (important but not dominant)
• Experience with AWS services such as:
• Lambda
• API Gateway
• DynamoDB
• IoT Core
• Familiarity with event-driven or serverless architectures
• Basic experience with Cloud Watch, logging, and monitoring
• Understanding of deployment workflows (CI/CD is a plus)

• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering or related field is required. Master's degree in related fields would be a plus
• 2+ years’ experience in Software development in a product oriented environment

Kingfisher Company Inc. (KCi) is small, innovative electronics design and manufacturing company specializing in emergency communication equipment for the fire alarm industry. We are seeking a hands-on, highly motivated Software Engineer to join our team. This position plays a critical role in ensuring the quality, efficiency, and reliability of our products, from design validation through production. If you are inspired to drive innovation and technology, Kingfisher is the place for you.

At Kingfisher you will work with other passionate technical leaders and make critical contributions to the emergency communications industry and to the growth of our company.

This is an on-site position located in Lowell, MA. Relocation is not offered.

Kingfisher Company Inc. is an equal-opportunity employer.