Senior Full-Stack Engineer for AI Training (Remote)

Weekday; United States; Remote; USD 69,000 - 138,000; Part time

Job summary

Weekday is seeking an experienced Senior Full-Stack Software Engineer for a fully remote contractor role. The position emphasizes hands-on work across front-end and back-end development, code translation between languages, and care for performance, security, and maintainability.

Ideal candidates will have substantial experience building production-grade applications, navigating diverse tech stacks, debugging complex issues, and delivering high-quality results in an international remote setting.

Qualifications

• Significant professional experience developing and maintaining production-grade full-stack applications.
• Strong hands-on expertise in front-end and back-end software engineering.
• Experience with multiple programming languages and diverse technology stacks.
• Solid understanding of browser-based applications, APIs, databases, and service integrations.
• Ability to navigate unfamiliar codebases and quickly understand existing implementations.
• Strong debugging, analytical thinking, and problem-solving capabilities.
• Experience reviewing code and evaluating solutions for performance, reliability, security, and maintainability.

Responsibilities

• Full-Stack Development: Develop, enhance, and debug front-end and back-end components across production applications.
• Feature Implementation: Build user-facing features and the supporting services, APIs, database structures, and data models.
• End-to-End Troubleshooting: Trace requests and data flows across browsers, front-end applications, APIs, back-end services, databases, and third-party integrations.
• Codebase Analysis: Navigate unfamiliar repositories, understand existing application architecture, and identify dependencies and implementation patterns.
• Complex Debugging: Diagnose and resolve issues involving application state, API contracts, authentication, data persistence, network communication, and deployment.
• Cross-Language Development: Evaluate, modify, translate, and improve software implementations across multiple programming languages while preserving functionality and correctness.
• Code Review and Validation: Assess AI-generated and developer-written code for correctness, completeness, efficiency, security, scalability, and maintainability.
• Technical Problem-Solving: Design reliable solutions to challenging engineering problems and validate implementations against defined requirements and specifications.

Skills

Python

React

JavaScript

Java

Node.js

Rust

Golang

TypeScript

Job description

Weekday is seeking an experienced Senior Full-Stack Software Engineer for a fully remote contractor role. The position emphasizes hands-on work across front-end and back-end development, code translation between languages, and care for performance, security, and maintainability.

Ideal candidates will have substantial experience building production-grade applications, navigating diverse tech stacks, debugging complex issues, and delivering high-quality results in an international remote setting.