Middle Full-Stack Engineer (.Net/React)

JustAnswer; United States; Remote; USD 95,000 - 145,000; Full time

Job summary

JustAnswer is seeking a mid-level full-stack engineer to build and evolve a customer communications platform used to coordinate messages to customers and professionals across email, text, and instant messaging.

You will work on both the .NET backend and React frontend, implementing REST APIs, and exploring AI-enabled messaging. Collaboration with product, analytics, and business partners is key to delivering scalable web features.

Qualifications

• Three+ years of commercial software development experience.
• Proficiency with C#/.NET, SQL, JavaScript, and frontend tools including React, Redux, and TypeScript.
• Experience with Git, automated unit and integration testing, and test-driven development.
• Familiarity with Agile or Scrum delivery and continuous integration and deployment practices.
• Understanding of software architecture, design patterns, and scalable systems.
• Ability to work across functions and support less experienced developers; intermediate or higher English proficiency.
• A bachelor’s degree in computer science or a related field is listed as a qualification.

Responsibilities

• Develop and maintain communication platform features across the .NET backend and web frontend.
• Build interfaces with React, Redux, TypeScript, and JavaScript, and implement server-side logic and REST APIs.
• Explore language model applications for code generation, verification, and intelligent messaging.
• Design scalable web applications and improve database queries and application performance for large workloads.
• Write unit and integration tests, apply test-driven practices, and support automated quality checks.
• Collaborate on requirements, participate in Agile delivery, code reviews, and design discussions, and help improve team practices.

Skills

English proficiency

Team collaboration

Agile delivery

Code review

Education

Bachelor's degree in computer science

Tools

C#/.NET

SQL

JavaScript

React

Redux

TypeScript

Git

CI/CD

Job description

Role overview

Build and evolve a customer communications platform used to coordinate messages to customers and professional experts across channels such as email, text messaging, and instant messaging. This mid-level full-stack role combines backend and frontend development, with opportunities to contribute to AI-enabled messaging and development workflows. You will work with product, analytics, and business partners to shape and deliver scalable web features.

Responsibilities

• Develop and maintain communication platform features across the .NET backend and web frontend.
• Build interfaces with React, Redux, TypeScript, and JavaScript, and implement server-side logic and REST APIs.
• Explore language model applications for code generation, verification, and intelligent messaging.
• Design scalable web applications and improve database queries and application performance for large workloads.
• Write unit and integration tests, apply test-driven practices, and support automated quality checks.
• Collaborate on requirements, participate in Agile delivery, code reviews, and design discussions, and help improve team practices.

Requirements

• At least three years of commercial software development experience delivering reliable, scalable solutions.
• Proficiency with C#/.NET, SQL, JavaScript, and frontend tools including React, Redux, and TypeScript.
• Experience with Git, automated unit and integration testing, and test-driven development.
• Familiarity with Agile or Scrum delivery and continuous integration and deployment practices.
• Understanding of software architecture, design patterns, and scalable systems.
• Ability to work across functions and support less experienced developers; intermediate or higher English proficiency.
• A bachelor’s degree in computer science or a related field is listed as a qualification.

Nice to have

Experience with CRM systems or customer communications products.