Senior Software Engineer, Full Stack

Quartermaster

United States, Washington, DC, United States Remote permanent

Posted: September 19, 2025

Quick Summary

We are seeking a versatile and talented Full Stack Software Engineer to support the development and maintenance of our web portal and mobile application. The ideal candidate will have experience with AWS services and be comfortable working with both frontend and backend systems in a fast-paced, collaborative environment with staff members across many different time zones.

Required Skills

Job Description

Job Description:

We are seeking a versatile and talented Full Stack Software Engineer to support the development and maintenance of our web portal and mobile application. This role requires expertise in modern full-stack technologies, a flexible approach to problem-solving, and the ability to work across different components of our platform. The ideal candidate will have experience with AWS services and be comfortable working with both frontend and backend systems in a fast-paced, collaborative environment with staff members across many different time zones.

Key Responsibilities:

• Develop, maintain, and improve our web portal and mobile applications.

• Work with software team on unit testing and QA process

• Design and implement scalable backend systems using Node.js, AWS IoT, Kinesis, S3, and related technologies.

• Build and optimize frontend interfaces using React Native, Kotlin, and TypeScript.

• Develop integrations between web, mobile, backend, and occasionally hardware systems.

• Implement and support video streaming solutions using SRT/RTSP technologies.

• Debug, troubleshoot, and resolve issues across the stack to ensure high performance and reliability.

• Stay current with industry trends and best practices in web and mobile application development.

• Write and maintain clear and concise technical documentation.

Qualifications (Preferred):

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.

• Minimum 6 years experience in full-stack development with expertise in the following technologies:

• Frontend: React Native, Kotlin, TypeScript

• Backend: Node.js

• Cloud: AWS IoT, Kinesis, S3

• Video streaming: RTSP/SRT

• Strong understanding of modern software development practices, including CI/CD pipelines and version control (e.g., Git).

• Experience building and deploying mobile applications for both iOS and Android platforms.

• Familiarity with database design and optimization, both SQL and NoSQL solutions.

• Excellent problem-solving and debugging skills.

• Strong communication skills and the ability to work effectively in a remote team environment.

Work Environment:

• This is a remote position with flexible working hours.

• Collaboration will occur via online tools, with occasional team meetings.

• The role may require occasional availability outside standard working hours to support urgent issues or deployments.

Benefits:

• Competitive salary

• Flexible work hours and remote work.

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