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Senior Software Contractor Jobs in New York (NOW HIRING)

Justworks

Senior Software Engineer, Onboarding

New York, NY

$134K - $176K/yr

As a Senior Software Engineer, you will be leveraging your experience working within a service ... A core part of this work is unifying how people join Justworks - today, full-time, contractor, and ...

YO AI Labs

GitHub Contributor - Rmote

New York, NY · Remote

$134K - $176K/yr

GitHub Contributor - Senior Software Engineer Role Type: Contractor (~15 hrs/week) Location: Remote Job Overview We are seeking experienced Senior Software Engineers with strong open-source profiles ...

YO AI Labs

RL Environment Engineer - Remote

New York, NY · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

YO AI Labs

AI Engineer - Remote

New York, NY · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

YO AI Labs

AI coding agents Expert - Remote

New York, NY · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

Miter

Senior Software Engineer

New York, NY · On-site

$190K - $230K/yr

... software: clunky, on-premise systems created in the 1980s and 1990s. That's where Miter comes in ... Using Miter, contractors like Marathon Electrical, W.J. O'Neil, and Truebeck Construction are ...

Turing

Senior Software Developer

Manhattan, NY · Remote

$200 - $300/hr

As a Software Engineering evaluator, you will create cutting-edge datasets for training ... Contractor (no medical/paid leave). * Duration: 1 month (potential extensions based on performance ...

Miter

Senior Software Engineer

New York, NY · Remote

$190K - $230K/yr

... software: clunky, on-premise systems created in the 1980s and 1990s. That's where Miter comes in ... Using Miter, contractors like Marathon Electrical, W.J. O'Neil, and Truebeck Construction are ...

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Infographic showing various Senior Software Contractor job openings in New York as of August 2026, with employment types broken down into 50% Full Time, and 50% Part Time. Highlights an 50% In-person, and 50% Hybrid job distribution.

Full Stack Software Engineer - Remote

YO AI Labs

New York, NY • Remote

Full-time

Posted 12 days ago

Job description

Senior Software Engineer

Job Type: Contractor (~15 hours/week)
Location: Remote

Job Summary

We are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks such as bug fixing, feature implementation, codebase refactoring, and performance optimization. No prior AI experience is required.

Key Responsibilities
  • Create reinforcement learning environments for software engineering tasks.
  • Design tasks involving bug fixing, feature development, refactoring, and performance optimization.
  • Build deterministic verification systems and golden reference solutions.
  • Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.
  • Develop realistic, reproducible software engineering scenarios.
  • Ensure tasks accurately measure coding ability, problem-solving, and tool usage.
  • Document solutions and provide clear technical feedback.
Required Skills
  • Strong proficiency in Python 3, Java, Rust, C++, or TypeScript.
  • Strong understanding of algorithms and data structures.
  • Experience with bug fixing and debugging complex software issues.
  • Proven experience in feature implementation and codebase refactoring.
  • Strong knowledge of performance optimization and tuning.
  • Excellent written and verbal communication.
  • Strong attention to detail.
Preferred Qualifications
  • Experience working with large-scale or distributed codebases.
  • Familiarity with AI/ML systems is a plus but not required.
  • Experience with rigorous code reviews and software engineering best practices.
  • Experience working effectively in remote or cross-functional teams.
Hiring Process
  1. Submit an application and screening questions.
  2. Complete an AI interview (~30 minutes).
  3. Complete a technical assessment, if required.
  4. Hiring Manager review.
Compensation

Compensation is output-based, with payment provided per task that meets project specifications. Minimum weekly submission requirements may apply.

Availability

Selected experts should be prepared to begin their first tasks within 24–48 hours of completing onboarding.