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Remote | Senior Software Engineer — $50–$100/hour

Role overview

Qualifications

  • Significant professional software-engineering experience
  • Strong hands-on expertise in at least one of Python3, Java, Rust, Go, C++, or TypeScript
  • Deep understanding of algorithms and data structures
  • Strong command of software-engineering fundamentals

Responsibilities

  • Create realistic software-engineering environments for AI evaluation
  • Contribute expert-level code across Python3, Java, Rust, Go, C++, or TypeScript
  • Analyse complex software defects across varied codebases
  • Refactor legacy or difficult-to-maintain code

Key facts

Hard skills

Other skills

  • Communication

About the company

24-MAG logo

24-MAG

Business Consulting & Services

Company details

IndustryBusiness Consulting & Services
Company size2 - 10

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Job description

We are sharing a specialised consulting opportunity for experienced Senior Software Engineers with strong expertise in Python3, Java, Rust, Go, C++, TypeScript, algorithms, debugging, feature development, codebase refactoring, and performance optimisation to contribute to an advanced AI training and software-engineering evaluation project.

Selected professionals will create reinforcement-learning environments that test advanced AI systems on realistic software-engineering problems involving bug fixing, feature implementation, refactoring, and performance optimisation. Each environment will require a reproducible technical setup together with a high-quality golden reference solution demonstrating the expected engineering approach. No prior experience in AI is required.

Key Responsibilities

Reinforcement Learning Environment Development

  • Create realistic software-engineering environments for AI evaluation
  • Design tasks involving debugging, feature development, refactoring, and optimisation
  • Build reproducible environments that allow technical solutions to be evaluated consistently
  • Define clear problem statements, constraints, and expected outcomes
  • Develop golden reference solutions demonstrating correct engineering approaches

Software Development & Feature Implementation

  • Contribute expert-level code across Python3, Java, Rust, Go, C++, or TypeScript
  • Implement robust new functionality within existing codebases
  • Apply sound software-engineering principles to real-world development scenarios
  • Ensure new features are maintainable, scalable, and appropriately tested
  • Evaluate trade-offs across different implementation approaches

Debugging & Defect Resolution

  • Analyse complex software defects across varied codebases
  • Identify root causes rather than applying superficial fixes
  • Develop effective debugging strategies for difficult technical problems
  • Resolve correctness, reliability, and integration issues
  • Document reasoning behind technical diagnoses and fixes

Codebase Refactoring & Modernisation

  • Refactor legacy or difficult-to-maintain code
  • Improve structure, readability, modularity, and long-term maintainability
  • Preserve required behaviour while improving implementation quality
  • Identify unnecessary complexity and architectural weaknesses
  • Apply modern software-engineering practices to existing systems

Performance Optimisation

  • Identify performance bottlenecks across software systems
  • Analyse algorithmic and implementation-level inefficiencies
  • Improve runtime performance and resource usage where appropriate
  • Validate that optimisations preserve correctness
  • Explain technical trade-offs and performance impact clearly

Code Review & Technical Validation

  • Review peer-contributed code and technical submissions
  • Evaluate solutions for correctness, clarity, efficiency, and maintainability
  • Identify hidden defects, unsupported assumptions, or incomplete reasoning
  • Provide constructive technical feedback
  • Validate that submissions satisfy task and environment requirements

Technical Documentation & Reasoning

  • Document implementation decisions and solution approaches clearly
  • Explain debugging, refactoring, and optimisation strategies
  • Record technical assumptions and relevant trade-offs
  • Produce documentation that supports reproducibility and evaluation
  • Translate complex engineering reasoning into precise written explanations

Ideal Profile

  • Significant professional software-engineering experience
  • Strong hands-on expertise in at least one of Python3, Java, Rust, Go, C++, or TypeScript
  • Deep understanding of algorithms and data structures
  • Strong command of software-engineering fundamentals
  • Proven ability to debug complex systems and resolve difficult defects
  • Experience implementing substantial product or platform features
  • Strong background in codebase refactoring and legacy-system modernisation
  • Experience identifying and resolving performance bottlenecks
  • Ability to reason across large and unfamiliar codebases
  • Strong technical documentation and communication skills
  • Experience taking high-impact features from concept through delivery is highly valuable
  • Comfortable reviewing and validating other engineers' work
  • Interest in AI and advanced technical evaluation is beneficial
  • No prior AI-training experience is required

Engagement Details

  • Independent contractor engagement
  • Fully remote
  • Expected commitment: approximately 15 hours per week
  • Displayed compensation range: $50–$100/hour
  • Actual compensation structure is output-based, with payment made per task that meets project specifications
  • Task completion time may vary depending on individual experience and workflow
  • Minimum weekly submission requirements apply; the source does not specify the exact number of required tasks
  • Work will involve reinforcement-learning environment creation, software development, debugging, feature implementation, refactoring, performance optimisation, and technical validation
  • Each task may require a reproducible environment and golden reference solution
  • Roles are typically filled within approximately 48 hours
  • Selected experts are expected to begin initial tasks within approximately 24–48 hours after onboarding
  • Project scope, workload, technical domains, and evaluation standards may evolve depending on project requirements
  • Work must be completed without using confidential or proprietary information belonging to any employer, client, institution, or other third party

About the Platform

This opportunity is available through 24-MAG LLC. We connect experienced professionals with remote consulting opportunities across technical, evaluation, and project-based workstreams.

By submitting this application, you acknowledge that your information may be processed by 24-MAG LLC for recruitment and opportunity matching in accordance with our Privacy Policy: https://www.24-mag.com/privacy-policy

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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