Sr. Full-Stack Software Engineer - Remote
First seen by Alion on Nov 11, 2026.
Sr. full-stack software engineer - Remote
Location: Global, Fully Remote
Employment Type: Contractor
Annualized Compensation: $96,000-$192,000
Hourly Rate: $50-$100
Time Commitment: Approximately 15 hours per week
Schedule: Flexible
ABOUT THE ROLE
We are seeking experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, system architecture, and code evaluation.
You will work across front-end and back-end systems, developing and reviewing complex engineering tasks, validating solutions, and translating complete software builds between programming languages.
KEY RESPONSIBILITIES
Develop, modify, and debug front-end and back-end application components.
Build user-facing features, APIs, services, and supporting data models.
Trace requests and data across browsers, applications, APIs, databases, and external integrations.
Navigate unfamiliar repositories and understand existing system architecture.
Diagnose issues involving application state, authentication, API contracts, persistence, networking, and deployment.
Evaluate and improve code across multiple programming languages.
Review AI-generated solutions for correctness, performance, security, completeness, and maintainability.
REQUIRED QUALIFICATIONS
Strong professional experience developing production full-stack applications.
Hands-on expertise in both front-end and back-end engineering.
Production experience with multiple programming languages.
Proficiency in technologies such as Python, React, JavaScript, Java, Node.js, Rust, Go, and TypeScript.
Strong understanding of browser applications, APIs, databases, application state, and service integration.
Experience working with complete software architectures and unfamiliar codebases.
Excellent debugging and technical problem-solving skills.
APPLICATION PROCESS
Submit an application and complete screening questions.
Complete an approximately 30-minute AI interview.
Complete a technical assessment if required.
Undergo hiring manager review.
COMPENSATION AND WORK ARRANGEMENT
Compensation is output-based, with an estimated equivalent of $50-$100 per hour. Payment is made per accepted task that meets project specifications.
The engagement requires approximately 15 hours per week, with flexible scheduling and a minimum weekly task submission requirement. Selected candidates should be available to begin their first tasks within 24-48 hours after onboarding.
Annualized compensation is an illustrative equivalent based on 40 hours/week × 48 weeks/year. Actual earnings depend on hours worked, project availability, and approved work.