Senior Software Engineer remote

ESRhealthcare and EXEC STAFF RECRUITERS • San Diego, California • Posted June 21, 2026

About the Role

Senior Software Engineer remote

$40 - $85/hour

pay

Required Skills

Python3

JAVA

Rust

Algorithms

Basics C++

Typescript

bug fixing

feature implementation

codebase refactoring

performance optimization

Job Description

Job Title: Senior Software Engineer

Job Type: Contractor

Location: Remote

Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities:

Contribute expert-level knowledge to bug fixing, feature implementation, codebase refactoring, and performance optimization across a range of programming languages.

Analyze and enhance software codebases to ensure clarity, maintainability, and efficiency.<...