Freelance Software Developer (C/C++ - Rust, Python)

Braintrust; United Kingdom; Remote; GBP 80,000 - 100,000; Part time

Job summary

Braintrust is looking for a Freelance Software Developer versed in C/C++, Rust, and Python. You will engage in innovative AI projects, analyzing existing code and ensuring seamless migrations to Rust. This fully remote opportunity is ideal for individuals with strong programming backgrounds eager to contribute to the future of AI.

Benefits

Work on advanced AI projects

Flexibility to work around other commitments

Gain valuable experience for your portfolio

Qualifications

• At least 3 years of professional experience with C/C++ and 1+ year of hands-on experience with Rust.
• Experience testing migrated code (unit/integration/fuzz tests).
• Solid understanding of memory management and concurrency.

Responsibilities

• Analyze and understand existing code in Python or C/C++.
• Migrate logic to safe Rust while preserving functionality.
• Document migration steps and technical decisions.

Skills

C/C++

Rust

Python

Systems programming

Refactoring

Testing

Education

Bachelor's or Master’s degree in Software Development, Computer Science, or related fields

Tools

FFI tools (bindgen, cxx)

Job description

Freelance Software Developer (C/C++ - Rust, Python)

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Freelance Software Developer (C/C++ - Rust, Python)

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Job Description

Job Description

Important: Make sure to review the job description and rate details carefully. The final rate will be determined based on your years of experience. The maximum hourly rate applies to candidates with 5+ years of experience; those with 1–3 years of experience will be offered a lower rate.

Compensation

Hourly rates vary by country:

• USA: $30-$37 USD / hr
• UK, Ireland: $26-$34 USD / hr
• Canada, Australia, New Zealand: $25-$36 USD / hr
• Austria, Belgium, Denmark, Finland, France, Germany, Iceland, Liechtenstein, Luxembourg, Monaco, Norway, Sweden: $25-$32 USD /hr
• Albania, Andorra, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Estonia, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Moldova, Montenegro, North Macedonia, Poland, Portugal, Romania, San Marino, Slovakia, Slovenia, Spain: $17-$25 USD /hr
• Brunei, Japan, Singapore, South Korea: $19-$26 USD / hr
• Afghanistan, Azerbaijan, Bangladesh, Bhutan, Cambodia, Georgia, India, Indonesia, Laos, Malaysia, Maldives, Mongolia, Nepal, Pakistan, Philippines, Sri Lanka, Tajikistan, Thailand, Timor-Leste, Turkmenistan, Vietnam: $8-$14 USD /hr
• Bahrain, Kuwait, Oman, Qatar, Saudi Arabia: $23-$30 USD/hr
• Egypt, Iraq, Jordan, Lebanon, Yemen: $7-$10 USD/hr
• Morocco, Seychelles, South Africa: $10-$15 USD /hr
• Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cabo Verde, Cameroon, Central African Republic, Chad, Comoros, Republic of Congo, Djibouti, Equatorial Guinea, Eritrea, Eswatini (Swaziland), Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast (Côte d'Ivoire), Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Mozambique, Namibia, Niger, Nigeria, Rwanda, Sao Tome and Principe, Senegal, Sierra Leone, Somalia, Tanzania, Togo, Tunisia, Uganda, Zambia, Zimbabwe: $7-$11 USD /hr
• Antigua and Barbuda, Bahamas, Barbados, Costa Rica, Guatemala, Mexico, Panama, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, Chile, Uruguay, Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, Palau, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuatu: $10-$17 USD /hr
• Argentina, Belize, Bolivia, Brazil, Colombia, Dominica, Dominican Republic, Ecuador, El Salvador, Grenada, Guyana, Haiti, Honduras, Jamaica, Nicaragua, Paraguay, Peru, Suriname: $9-$13 USD /hr
  
  

Description

At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI.

What We Do

The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.

About The Role

GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Coding, you’ll have the opportunity to collaborate on these projects.

Although every project is unique, you might typically:

• Analyze and understand existing code in Python or C/C++
• Migrate logic to idiomatic, safe Rust while preserving functionality
• Adapt or port the test suite and ensure behavioral equivalence
• Document migration steps and technical decisions
  
  

How To Get Started

Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you’ll help shape the future of AI while ensuring technology benefits everyone.

Requirements

• You have a Bachelor's or Master’s degree in Software Development, Computer Science, or other related fields.
• You have at least 3 years of professional experience with C/C++ and 1+ year of hands-on experience with Rust.
• You are experienced with FFI tools (bindgen, cxx) and unsafe Rust for C/C++interoperability.
• You bring experience testing migrated code (unit/integration/fuzz tests).
• You demonstrate solid understanding of systems programming (memory management, concurrency).
• You are skilled at refactoring legacy code and documenting migration steps.
• Prompt engineering experience is a strong plus.
• Your level of English is advanced (C1) or above.
• You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines.
• Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge.
  
  

Benefits

Why this freelance opportunity might be a great fit for you?

• Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments.
• Work on advanced AI projects and gain valuable experience that enhances your portfolio.
• Influence how future AI models understand and communicate in your field of expertise.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Part-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Technology, Information and Internet

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