Sr. Full-Stack Software Engineer

About this role

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr. Full-Stack Software Engineer based in United States.

Join an AI training project where your full-stack engineering expertise will help improve the quality, reliability, and performance of advanced AI-generated software solutions. You will work on challenging development tasks involving application architecture, technical problem-solving, debugging, code evaluation, and cross-language implementation. The role spans both front-end and back-end systems, requiring you to understand and contribute to complete software applications. You will investigate unfamiliar codebases, build and validate solutions, and assess code for correctness, security, and maintainability. This is a fully remote contractor opportunity offering flexible working hours and approximately 15 hours of work per week. It is particularly suited to experienced engineers who enjoy solving complex technical challenges and can contribute independently.

### Accountabilities

You will contribute to a range of software engineering and AI training activities, developing, reviewing, and validating challenging technical tasks across the application stack. Your responsibilities will include:

• Develop, modify, and debug front-end and back-end application components.
• Build user-facing features alongside the services, APIs, and data models that support them.
• Trace requests and data flows across browsers, front-end applications, APIs, backend services, databases, and external integrations.
• Explore unfamiliar code repositories, understand existing architectures, and identify how different system components interact.
• Diagnose and resolve technical issues involving application state, API contracts, authentication, data persistence, networking, and deployment.
• Evaluate, improve, and validate code written in multiple programming languages.
• Review AI-generated software sol...