Middle Full-Stack Engineer

JustAnswer; United States; Remote; USD 120,000 - 150,000; Full time

Job summary

JustAnswer is seeking a capable full-stack engineer to join the Quality team on a large AI-enabled platform that connects customers with licensed professionals. You will work across front-end and back-end systems, contributing to a major platform migration and partnering with product and business stakeholders to clarify requirements.

The role requires 3+ years of experience, proficiency in .NET/C#, MS SQL Server, and front-end tech including HTML5, CSS3, JavaScript/TypeScript; React is

Qualifications

• 3+ years of professional full-stack software engineering experience.
• Proficiency in .NET, C#, and data-access technologies.
• Experience with Microsoft SQL Server and complex queries.
• Frontend basics: HTML5, CSS3, JavaScript, TypeScript; React preferred.
• Familiar with NUnit, Playwright, or React Testing Library.
• Upper-intermediate English or higher.

Responsibilities

• Design, develop, maintain, and enhance reliable, scalable software across front-end and back-end systems.
• Build user-facing features and the back-end services that support them.
• Partner with product and business stakeholders to clarify requirements and develop effective technical solutions.
• Contribute to business-critical initiatives, including migration efforts and improvements to core operational systems.
• Write clean, maintainable, well-tested code and participate in code reviews.
• Use SQL and application data flows to support functionality, troubleshoot issues, and improve performance.
• Collaborate in an agile, sprint-based environment and use AI-assisted development tools to improve productivity.

Skills

Full-stack development

English proficiency

Tools

.NET Framework

C#

Microsoft SQL Server

React

TypeScript

HTML5/CSS3

NUnit/Playwright/RTL

Job description

Role overview

This role is for a full-stack engineer on the Quality team supporting a large AI-enabled platform that connects customers with licensed professionals. The engineer will work across both front-end and back-end systems, contributing to business-critical initiatives including a major platform migration. It is well suited to someone who enjoys solving complex technical problems and partnering closely with product and business stakeholders.

Responsibilities

• Design, develop, maintain, and enhance reliable, scalable software across front-end and back-end systems.
• Build user-facing features and the back-end services that support them.
• Partner with product and business stakeholders to clarify requirements and develop effective technical solutions.
• Contribute to business-critical initiatives, including B2P migration efforts and improvements to core operational systems.
• Write clean, maintainable, well-tested code and participate in code reviews.
• Use SQL and application data flows to support functionality, troubleshoot issues, and improve performance.
• Collaborate in an agile, sprint-based environment and use AI-assisted development tools to improve productivity.

Requirements

• At least 3 years of professional full-stack software engineering experience.
• Proficiency in .NET frameworks, C#, and data-access technologies.
• Experience with Microsoft SQL Server, including complex queries and performance-sensitive data scenarios.
• Knowledge of front-end technologies such as HTML5, CSS3, JavaScript, and TypeScript; React experience is preferred.
• Familiarity with unit and integration testing frameworks such as NUnit, Playwright, or React Testing Library.
• Upper-intermediate English proficiency or higher, and the ability to work effectively with evolving or ambiguous requirements.