Senior Full-stack Engineer (React + .NET) - Remote

Overview

JustAnswer is the leading AI + Human professional services platform, on a mission to revolutionize how people access expert help. Since 2003, we’ve connected millions of customers across 196 countries with verified professionals in real time—anytime, anywhere. With a powerful combination of human expertise and cutting-edge AI, we’re transforming the future of professional services.

In Short

• Develop and maintain frontend components primarily using React, JavaScript, HTML, CSS, and Redux.
• Build and enhance backend services with .NET, including writing and optimizing queries to interact with databases.
• Integrate machine learning and large language models into existing workflows to enhance product capabilities.
• Collaborate closely with team members, including QA and other developers, to ensure high-quality deliverables.
• Participate actively in technical discussions and contribute ideas to improve the development process.
• Support CI/CD pipeline management and contribute to building and maintaining Jenkins jobs.
• Communicate clearly and effectively within the team and cross-functionally to align on project goals.

Requirements

• Minimum of 5 years of professional experience in full stack development.
• Proficiency in .NET frameworks, C#, and data access technologies.
• Experience with React.js, including state management (Redux, Context API) and component-based architecture.
• Familiarity with Unit / Integration tests using any of Jest, NUnit, Playwright, React Testing Library.
• Strong knowledge of front-end technologies such as HTML5, CSS3, JavaScript, and TypeScript.
• Experience with database systems such as SQL Server or MySQL.
• Strong knowledge of design and architectural patterns, SOA design & web service development.
• Strong understanding of development processes.
• Experience or willingness to work with integration of machine learning or LLM-based services is a plus.
• Upper-intermediate level of English.
• Excellent problem-solving and analytical skills, with a keen attention to detail.
• Strong communication and interpersonal skills, with the ability to work effectively in a team-oriented environment.
• Ability to manage multiple tasks and prioritize effectively in a fast-paced environment.
• Demonstrated leadership abilities, with a track record of mentoring and guiding junior developers.

Benefits

• Flexible, remote-first environment.
• Equitable rewards.
• Career growth opportunities.
• Supportive community where contributions matter.