Senior Software Engineer (React)

New York Technology Partners; Salt Lake City (UT); On-site; USD 120,000 - 160,000; Full time

Job summary

New York Technology Partners is seeking a Senior Software Engineer to join an established product development team. You will build, enhance, and maintain proprietary software across the full stack, collaborating with engineering, QA, UX, and product teams to deliver reliable, high-performing applications for a growing resale technology platform.

Responsibilities include developing features across the stack, implementing tests, improving performance, and mentoring engineers to uphold code quality

Qualifications

• 6+ years of professional experience building web applications.
• Strong experience with modern backend languages and frameworks.
• Significant experience with modern frontend frameworks and API development.
• Strong communication, problem-solving, and attention to detail.
• Ability to independently produce high-quality code without relying on LLMs.
• Frontend: React, TypeScript, MobX
• Backend: C#/.NET, Entity Framework Core
• Testing: Unit, integration, and Playwright
• Platform: DigitalOcean, Docker, Linux, Balena/IoT
• Observability: OpenTelemetry, OpenObserve, RUM
• DevOps & Version Control: GitHub, Forgejo, Docker Hub

Responsibilities

• Develop new features, enhancements, and fixes across the software stack.
• Build and maintain applications spanning point-of-sale, product appraisal, and inventory management systems.
• Write unit, integration, and end-to-end tests while maintaining high software quality.
• Improve application performance, reliability, and scalability.
• Troubleshoot production issues and support critical software incidents as needed.
• Contribute to development and release processes and the Shape Up methodology.
• Mentor engineers and promote strong collaboration, code quality, and engineering practices.

Skills

React

TypeScript

MobX

C#/.NET

Entity Framework Core

Unit testing

Integration testing

Playwright

Tools

DigitalOcean

Docker

Linux

Balena/IoT

GitHub

Forgejo

Docker Hub

OpenTelemetry

OpenObserve

RUM

Playwright

Job description

We are seeking a Senior Software Engineer to join an established product development team and build, enhance, and maintain proprietary software across the full stack. You’ll collaborate closely with engineering, QA, UX, and product teams to deliver reliable, high-performing applications for a growing resale technology platform.

Key Responsibilities

• Develop new features, enhancements, and fixes across the software stack.
• Build and maintain applications spanning point-of-sale, product appraisal, and inventory management systems.
• Write unit, integration, and end-to-end tests while maintaining high software quality.
• Improve application performance, reliability, and scalability.
• Troubleshoot production issues and support critical software incidents as needed.
• Contribute to development and release processes and the Shape Up methodology.
• Mentor engineers and promote strong collaboration, code quality, and engineering practices.

Qualifications

• 6+ years of professional experience building web applications.
• Strong experience with modern backend languages and frameworks.
• Significant experience with modern frontend frameworks and API development.
• Strong communication, problem-solving, and attention to detail.
• Ability to independently produce high-quality code without relying on LLMs.
• Frontend: React, TypeScript, MobX
• Backend: C#/.NET, Entity Framework Core
• Testing: Unit, integration, and Playwright
• Platform: DigitalOcean, Docker, Linux, Balena/IoT
• Observability: OpenTelemetry, OpenObserve, RUM
• DevOps & Version Control: GitHub, Forgejo, Docker Hub