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Senior Software Engineer (React/Node)

Jahnel Group

Salary not specified
Sep 24, 2025
Cambridge, MA, US
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Jahnel Group is looking for a Senior Software Engineer based in Brazil to join a high-performing team building mission-critical applications, focusing on scalable, reliable, and secure systems for security-conscious clients.

Requirements

  • Proficiency in React, Node.js, and TypeScript
  • Strong experience building and deploying applications in AWS
  • Solid understanding of CI/CD, testing practices, and software architecture

Responsibilities

  • Design and develop full-stack applications with React, Node.js, and TypeScript
  • Build and maintain scalable backend services in AWS environments
  • Contribute to architecture and design discussions for new features and systems
  • Write automated tests, participate in code reviews, and uphold engineering best practices
  • Optimize applications for performance, scalability, and reliability
  • Stay current with emerging technologies and propose solutions to improve systems

Other

  • 5+ years of professional experience as a software engineer
  • Excellent problem-solving and communication skills
  • Ability to collaborate effectively in distributed, remote-first teams
  • Fluent English (written and verbal)
  • Mentor junior developers and contribute to a culture of technical excellence
  • The work hours will be approximately 9:00 am to 5:00 pm EST, depending on workload, with the occasional late night when a tight deadline calls for it.
  • background checks will be required.