Lead Software Engineer (AWS)

Responsibilities

• Own and steer the web application platform's technical direction.
• Lead a small software team while staying hands-on with development.
• Architect, build, and maintain full‑stack web applications using React, JavaScript/TypeScript, Node.js, and AWS.
• Develop applications that enable real-time monitoring and control of emergency communication equipment.
• Decide on architecture, data flows, APIs, deployment strategies, monitoring, and maintainability.
• Prioritize technical work to balance product needs with long‑term engineering quality.
• Leverage AWS services including Lambda, API Gateway, DynamoDB, CloudWatch, and IoT Core.
• Create features that interface with physical devices via MQTT, AWS IoT, or related technologies.
• Improve software development practices such as code reviews, testing, documentation, and deployment workflows.
• Mentor junior and mid‑level engineers as the team grows.

Requirements

• 7+ years of professional software development experience.
• Experience guiding technical work or leading a small engineering team.
• Proven ability to build and support production web applications.
• Strong JavaScript and TypeScript experience.
• Professional experience with React or a similar frontend framework.
• Backend experience with Node.js or similar server‑side technologies.
• Experience designing and working with APIs.
• Experience with AWS or similar cloud platforms.
• Strong IaC experience with CloudFormation or Terraform.
• Solid understanding of architecture, maintainability, security, and reliability.
• Ability to work independently, make technical decisions, and own a product area.

Technologies

• React
• JavaScript
• TypeScript
• Node.js
• AWS (Lambda, API Gateway, DynamoDB, CloudWatch, IoT Core)
• MQTT
• CloudFormation
• Terraform

Benefits

• Competitive salary
• Comprehensive benefits package
• Opportunity to work with cutting‑edge technology in a collaborative, small‑team environment
• Take on a critical role with significant responsibility

Location

• Lowell, MA on-site (no relocation offered)
• Commute requirement: Lowell, MA 01854

Compensation

• USD 80,000 – 120,000 per year

About Kingfisher Company Inc.

Kingfisher Company Inc. (KCi) is a small, innovative electronics design and manufacturing company specializing in emergency communication equipment for the fire alarm industry. This hands-on Lead Software Engineer role focuses on ensuring quality, efficiency, and reliability from design validation through production, with opportunities to drive innovation and technology.