{"schemaVersion":"jobsearcher.job.v1","id":"6f29068caa30dcaf35f39282","url":"https://jobsearcher.com/jobs/6f29068caa30dcaf35f39282","canonicalUrl":"https://jobsearcher.com/jobs/6f29068caa30dcaf35f39282","title":"Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++)","description":"Location: United StatesCommitment: Full-time | 40 hours/weekEmployment: W-2 through Cincinnatus LLCCompensation: $90–$110/hourAbout the RoleWe’re looking for experienced Senior Full-Stack Software Engineers to work on projects supporting the development and testing of advanced AI models at a leading AI lab.You’ll build real applications, services, and tools using technologies such as Python, Java, Rust, C#, C++, and TypeScript. You’ll work with frontier AI models and help identify, test, and document technical issues before deployment.What We’re Looking For6+ years of professional software engineering experienceStrong production experience with at least one of Python, Java, Rust, C#, or C++Experience working with a second programming language/ecosystemFull-stack experience across APIs, backend services, React or similar frameworks, databases, and cloud infrastructureAbility to quickly understand unfamiliar codebases and ship working codeStrong written communication skillsAvailability for 40 hours/week on weekdaysApplication ProcessClick Apply to continue to the client’s application platformAccept the referral invitation associated with this postingRegister or sign in on the platformComplete the required assessments and application stepsQualified applications will be reviewed for the opportunityImportant: Applicants applying through this posting must accept the referral invitation and complete the required application steps and assessments on the client platform.EmploymentThis is a W-2 employment position with Cincinnatus LLC, which acts as the employer of record and provides payroll, benefits, and compliance. Selected engineers may be placed with a leading AI lab as part of its extended workforce.Core Skills: Full-Stack Engineering, Python, Java, Rust, C#, C++, TypeScript, React, APIs, Cloud InfrastructureThis opportunity is shared independently and not on behalf of Mercor.","company":"Macro Recruiting","rawCompany":"macro recruiting","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-22T12:04:33.177Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++)","description":"Location: United StatesCommitment: Full-time | 40 hours/weekEmployment: W-2 through Cincinnatus LLCCompensation: $90–$110/hourAbout the RoleWe’re looking for experienced Senior Full-Stack Software Engineers to work on projects supporting the development and testing of advanced AI models at a leading AI lab.You’ll build real applications, services, and tools using technologies such as Python, Java, Rust, C#, C++, and TypeScript. You’ll work with frontier AI models and help identify, test, and document technical issues before deployment.What We’re Looking For6+ years of professional software engineering experienceStrong production experience with at least one of Python, Java, Rust, C#, or C++Experience working with a second programming language/ecosystemFull-stack experience across APIs, backend services, React or similar frameworks, databases, and cloud infrastructureAbility to quickly understand unfamiliar codebases and ship working codeStrong written communication skillsAvailability for 40 hours/week on weekdaysApplication ProcessClick Apply to continue to the client’s application platformAccept the referral invitation associated with this postingRegister or sign in on the platformComplete the required assessments and application stepsQualified applications will be reviewed for the opportunityImportant: Applicants applying through this posting must accept the referral invitation and complete the required application steps and assessments on the client platform.EmploymentThis is a W-2 employment position with Cincinnatus LLC, which acts as the employer of record and provides payroll, benefits, and compliance. Selected engineers may be placed with a leading AI lab as part of its extended workforce.Core Skills: Full-Stack Engineering, Python, Java, Rust, C#, C++, TypeScript, React, APIs, Cloud InfrastructureThis opportunity is shared independently and not on behalf of Mercor.","datePosted":"2026-08-22T12:04:33.177Z","dateModified":"2026-08-22T12:04:33.177Z","hiringOrganization":{"@type":"Organization","name":"Macro Recruiting","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6f29068caa30dcaf35f39282"},"url":"https://jobsearcher.com/jobs/6f29068caa30dcaf35f39282"}}