Senior Full-Stack Software Engineer

Quick Facts

• Global, fully remote
• Contractor role (~15 hours per week)
• Flexible schedule—you choose hours/days (weekends allowed if there is activity)
• Output-based compensation: paid per task that meets project specifications
• Minimum weekly task submission requirements apply

Description

Work on an AI training project performing end-to-end full-stack software engineering: build, solve, review, and validate challenging tasks across front-end and back-end systems. You will implement user-facing features along with the services, APIs, and data models that support them, and trace requests through browsers, front-end applications, APIs, services, databases, and external integrations. You’ll also evaluate AI-generated solutions and multi-language code for correctness, completeness, performance, security, and maintainability.

Responsibilities

• Develop, modify, and debug front-end and back-end application components
• Implement user-facing features plus the supporting services, APIs, and data models
• Trace requests and data across the full stack and external integrations
• Work in unfamiliar repositories and understand existing application architecture
• Diagnose failures involving application state, API contracts, authentication, persistence, networking, and deployment
• Evaluate and improve code written in multiple programming languages
• Review AI-generated solutions for correctness, completeness, performance, security, and maintainability

Requirements

• Strong professional experience developing production full-stack applications
• Meaningful hands-on experience with both front-end and back-end engineering
• Production experience with multiple programming languages
• Strong knowledge of browser applications, APIs, application state, databases, and service integration
• Experience understanding and contributing to complete software system architecture
• Ability to work effectively in unfamiliar codebases
• Strong debugging and technical problem-solving skills

Benefits

• Very attractive and competitive compensation package
• Experts are paid per task that meets project specifications (time varies by task and experience)