Senior Software Engineer

Cashback24x7; India; Remote; INR 1,378,000 - 3,444,000; Part time

Job summary

Cashback24x7 is seeking a Senior Software Engineer contractor to help train next-generation AI systems. You will design Reinforcement Learning environments that test an AI model's ability to solve complex software engineering problems using Model Context Protocol (MCP) tools.

Tasks include fixing bugs, implementing features, refactoring code, and optimizing performance while agents learn to reason over information from real MCP servers.

Qualifications

• Proficiency in C++, Python, Java, Go, TypeScript or Rust.
• Deep understanding of algorithms, data structures, and performance tuning.
• Experience debugging complex software and delivering maintainable solutions.

Responsibilities

• Design reproducible reinforcement learning environments using MCP tools.
• Fix bugs, implement features, refactor code and optimize performance.
• Collaborate with cross-functional teams in a remote setting.

Skills

C++

Python

Java

Go

TypeScript

Rust

Job description

Job Title:

Senior Software Engineer

Job Type:

Contractor (~15 hrs a week)

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. As an expert you will be creating Reinforcement Learning Environments which test an AI model's ability to solve complex software engineering problems using Model Context Protocol (MCP) tools. Tasks may involve fixing bugs, implementing features, refactoring code, or optimizing performance while requiring agents to discover and reason over information from real MCP servers. You will design reproducible environments, deterministic verification, and golden reference solutions that accurately measure both MCP tool use and software engineering ability.

Required Skills and Qualifications:

• Proficiency in C++, Python, JAVA, GoLang, Typescript, or Rust.
• Deep understanding of algorithms, data structures, and performance tuning.
• Demonstrated experience in debugging complex software issues and delivering maintainable solutions.
• Strong background in feature development and codebase refactoring.
• Proven ability to optimize software for performance and scalability.
• Exceptional written and verbal communication skills, with a keen attention to detail.
• Track record of success in collaborative, cross-functional teams, ideally in remote settings.

Preferred Qualifications:

• Previous experience working on large-scale, distributed codebases.
• Familiarity with modern AI or machine learning systems is a plus, though not required.
• Background in participating in rigorous code reviews and contributing to the development of software best practices.

Process:

• Complete AI Interview (approx. 30 minutes)
• Technical Assessment (Tentative)
• Hiring Manager review

Compensation Structure:

Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert's experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week.

Start Timeline & Availability:

We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24-48 hours of completing onboarding.