Software Engineer, Full Stack (Python, Java, Rust, C#, C++)
Mercor
About this opportunity
Mercor lists this role for a leading AI lab's GenAI team. You would build, integrate and stress-test real software on top of frontier models before they ship, working directly with the lab's engineering manager on fast-moving projects and contributing working code early.
What the work involves
Who is behind it
Required qualifications
- 3+ years of professional experience building and shipping production software at a recognised, top-tier organisation.
- Production experience in at least one of Python, Java, Rust, C# or C++, plus working proficiency in a second language.
- Experience across the stack: backend services and APIs, a modern front-end framework (React or equivalent), databases and cloud deployment.
- Able to get up to speed on an unfamiliar codebase quickly.
- A record of career progression, and strong written communication.
Skills
- python
- java
- rust
- c#
- c++
- typescript
- react
- software engineering
- full-stack development
- api development
- databases
- cloud deployment
Eligibility requirements
- Located in the United States.
- Able to commit 40 hours per week on weekdays.
What to expect
- Full-time: 40 hours a week, W-2 through Cincinnatus LLC, with the chance to be placed at the AI lab.
- Fast-moving projects with limited up-front specification.
- Pay listed by Mercor at $50–$65 per hour.
Application preparation guide
How to prepare: Software Engineer, Full Stack (Python, Java, Rust, C#, C++)
Before you apply
- Open the Mercor listing and read it in full. This summary may be out of date.
- Confirm you meet the location and hours requirements.
- Have a CV or LinkedIn profile that shows 3+ years of shipped production software and the languages you have used professionally.
- The listing asks for two languages: be ready to say which one is your primary and which is your second.
- Keep an up-to-date CV or LinkedIn profile ready, and any work you are allowed to share.
What to expect
Mercor and the AI lab decide who is selected, and how. Applying through this page does not guarantee a response, an interview or an offer. Check the pay and engagement terms on the listing itself before you accept anything.
Staying safe
A genuine listing never asks you to pay to apply or to share banking or ID details up front.
Guide last updated Oct 4, 2026.
The provider makes every selection decision. Applying through this page does not guarantee a response, an offer, or any earnings. Details can change on the provider's side after we verify them, so confirm on their site.