Senior Full-Stack Software Engineer

**Job title:** Senior Full-Stack Software Engineer **Company:** Apex Tech Sourcing (recruiting on behalf of micro1) **Location:** Remote (India) **Job type:** Contract, part-time (about 15 hours a week) **Pay:** Paid per completed task. micro1’s listed range is $50–100 per hour equivalent, and actual earnings depend on how many tasks you complete and how fast you work. A weekly minimum number of tasks applies. **About the role** Apex Tech Sourcing is recruiting senior full-stack engineers for micro1, a company that provides training data and evaluations for AI models. You’ll work on an AI training project covering software development, debugging, system architecture and code evaluation. You choose your own days and hours, including weekends, as long as you stay active. **What you’ll do** - Create, solve, review and validate software engineering tasks across front-end and back-end systems - Develop and debug front-end and back-end components, including APIs, services and data models - Trace requests and data across browsers, APIs, databases and integrations - Work in unfamiliar codebases and diagnose problems with state, authentication, persistence and deployment - Help translate full coding builds from one programming language to another - Review AI-generated code for correctness, performance, security and maintainability **What you need** - Strong professional experience building production full-stack applications - Hands-on experience with both front-end and back-end work - Production experience in more than one programming language (Python, React, JavaScript, Node.js, Java, Rust, Go and TypeScript are named in the listing) - Solid understanding of browser applications, APIs, databases and service integration - Strong debugging and problem-solving skills **Hiring process** - Apply and answer the screening questions - AI interview, about 30 minutes - Technical assessment, if required - Hiring manager review Selected candidates are expected to start within 24–48 hours of onboarding. Pay: ₹4,800.00 - ₹9,600.00 per hour Expected hours: 15.0 per week Benefits: - Flexible schedule - Work from home Work Location: Remote