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mercor · General software roles, Machine learning & AI
Pay
70–250 per hour (currency unconfirmed)
Country
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility. Also check mercor country restrictions.
Experience
Minimum not listed
Education
Not listed
Named languages
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Listed skills
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**About Mercor’s talent network** Join our Machine Learning Engineer Expert Network to connect with leading AI labs and companies seeking your expertise. **This is an open application for future contract opportunities that match your background and interests.** Once you complete your profile and pass our AI interview, you'll be eligible for relevant projects as they become available. We match experts to opportunities on a rolling basis. **About Mercor projects** Experts in our network contribute to: - Training and evaluating AI models in Machine Learning Engineering - Creating tasks and deliverables based on real-world scenarios - Providing domain-specific feedback to advance frontier AI research Projects vary in scope and duration, with typical commitments ranging from 15-30 hours per week. **What we're looking for:** - Professional experience in machine learning model development, Python & ML frameworks (PyTorch/TensorFlow), model deployment & MLOps - Strong communication skills -…
Remote work is not confirmed. Eligible countries: United States. Required residence: United States. All listed country and residence restrictions must be satisfied. Also check mercor country restrictions.
Experience
Minimum not listed
Education
Not listed
Named languages
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Listed skills
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**About Mercor’s talent network** **This is an open application for future contract opportunities that match your background and interests.** Once you complete your profile and pass our AI interview, you'll be eligible for relevant projects as they become available. We match experts to opportunities on a rolling basis. **Role Overview** We’re building an **AI-native platform** that replaces spreadsheet-driven operations with **real-time dashboards** and **agentic workflows**. This engineer will own core product delivery end-to-end: platform foundations, integrations, analytics surfaces, and the pilot launch. **What you’ll build** - **AI-native platform** (core entities, workflows, permissions, multi-tenant foundations) - **Omni-tool integration layer** (connectors to common tools; event ingestion; sync; actions) - **Real-time analytics dashboard** (live metrics, drill-downs, exports) - **MCP-compatible agentic integration architecture** (tool registry, permissions, runtime,…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility. Also check mercor country restrictions.
Experience
Minimum not listed
Education
Not listed
Named languages
Not listed
Listed skills
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**About Mercor’s talent network** Join our Frontend Engineer Expert Network to connect with leading AI labs and companies seeking your expertise. **This is an open application for future contract opportunities that match your background and interests.** Once you complete your profile and pass our AI interview, you'll be eligible for relevant projects as they become available. We match experts to opportunities on a rolling basis. **About Mercor projects** Experts in our network contribute to: - Training and evaluating AI models in Frontend Engineering - Creating tasks and deliverables based on real-world scenarios - Providing domain-specific feedback to advance frontier AI research Projects vary in scope and duration, with typical commitments ranging from 15-30 hours per week. **What we're looking for:** - Professional experience in modern JavaScript frameworks (React/Vue/Angular), responsive UI development (HTML/CSS), state management & performance optimization - Strong communication…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility. Also check mercor country restrictions.
Experience
Minimum not listed
Education
Not listed
Named languages
Not listed
Listed skills
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**About Mercor’s talent network** Join our DevOps / Platform Engineer Expert Network to connect with leading AI labs and companies seeking your expertise. **This is an open application for future contract opportunities that match your background and interests.** Once you complete your profile and pass our AI interview, you'll be eligible for relevant projects as they become available. We match experts to opportunities on a rolling basis. **About Mercor projects** Experts in our network contribute to: - Training and evaluating AI models in DevOps / Platform Engineering - Creating tasks and deliverables based on real-world scenarios - Providing domain-specific feedback to advance frontier AI research Projects vary in scope and duration, with typical commitments ranging from 15-30 hours per week. **What we're looking for:** - Professional experience in CI/CD pipelines, cloud infrastructure (AWS/GCP/Azure), containerization & orchestration (Docker/Kubernetes) - Strong communication…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility. Also check mercor country restrictions.
Experience
Minimum not listed
Education
Not listed
Named languages
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Listed skills
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**About Mercor’s talent network** Join our Backend Engineer Expert Network to connect with leading AI labs and companies seeking your expertise. **This is an open application for future contract opportunities that match your background and interests.** Once you complete your profile and pass our AI interview, you'll be eligible for relevant projects as they become available. We match experts to opportunities on a rolling basis. **About Mercor projects** Experts in our network contribute to: - Training and evaluating AI models in Backend Engineering - Creating tasks and deliverables based on real-world scenarios - Providing domain-specific feedback to advance frontier AI research Projects vary in scope and duration, with typical commitments ranging from 15-30 hours per week. **What we're looking for:** - Professional experience in API development & microservices, database architecture & optimization, distributed systems - Strong communication skills - Ability to work independently in…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility. Also check mercor country restrictions.
Experience
Minimum not listed
Education
Not listed
Named languages
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Listed skills
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**About Mercor’s talent network** Join our Full-Stack Engineer Expert Network to connect with leading AI labs and companies seeking Full-Stack Engineering expertise. **This is an open application for future contract opportunities that match your background and interests.** Once you complete your profile and pass our AI interview, you'll be eligible for relevant projects as they become available. We match experts to opportunities on a rolling basis. **About Mercor projects** Experts in our network contribute to: - Training and evaluating AI models in Full-Stack Engineering - Creating tasks and deliverables based on real-world scenarios - Providing domain-specific feedback to advance frontier AI research Projects vary in scope and duration, with typical commitments ranging from 15-30 hours per week. **What we're looking for:** - Professional experience in frontend development (React/Angular/Vue), backend development (Node.js/Django/Spring), relational & NoSQL databases - Strong…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility.
Experience
Minimum not listed
Education
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We are seeking exceptional competitive programmers (top 1% LeetCode users, ICPC Nationals, Codeforces Master, USACO Gold) to join our research project in collaboration with a leading AI lab. This is a flexible remote position requiring 10-20 hours of work per week.
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility.
Experience
Minimum not listed
Education
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Named languages
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Listed skills
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We are hiring skilled software engineers with strong full-stack experience. The ideal candidate is comfortable architecting and working across multi-file codebases, structuring realistic development environments, and building reproducible setups supported by clear documentation and testing. Experience with Docker and containerized workflows is essential. Responsibilities: Develop technically substantial software projects that reflect real-world engineering environments. Create structured development challenges accompanied by clear, detailed documentation. Build deterministic test suites to verify correctness and reproducibility. Containerize tasks with Docker to ensure consistency and reproducibility. Required qualifications: Proficiency in at least one modern programming language (e.g., JavaScript/TypeScript, Java, Go, Rust, C/C++, etc.). Experience architecting or maintaining multi-file software projects. Hands-on experience with Docker or similar containerization tools. Strong…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility.
Experience
2 years minimum
Education
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Named languages
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Listed skills
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<p>AfterQuery empowers foundational AI labs, enterprises, and startups by providing high-quality human-generated datasets that are essential for fine-tuning more capable, refined, and reliable AI systems. We are on the forefront of creating the most complex data infrastructure to capture the most useful data for our major clients. We have raised our most recent round from BoxGroup, YC and a group of strategic angels that will push us to be at the forefront of the industry.</p><br><p>We're seeking a Full Stack Engineer to build diverse, production-quality applications that will serve as training examples for AI models. You'll create complete, functional end-to-end applications across various domains and use cases - each application you build becomes part of our AI training dataset. Your work will involve developing a wide range of software solutions that demonstrate different architectural patterns, features, and implementations.</p> Responsibilities: Design and develop complete,…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility.
Experience
5 years minimum
Education
Not listed
Named languages
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Listed skills
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<p>AfterQuery empowers foundational AI labs, enterprises, and startups by providing high-quality human-generated datasets that are essential for fine-tuning more capable, refined, and reliable AI systems. We are on the forefront of creating the world's most complex data infrastructure to capture the useful data for our major clients. We have raised our most recent round from BoxGroup, YC and a group of strategic angels that will push us to be at the forefront of the industry.</p><br><p> We're seeking a Full Stack Engineer to build diverse, production-quality applications that will serve as training examples for AI models. You'll create complete, functional end-to-end applications across various domains and use cases - each application you build becomes part of our AI training dataset. Your work will involve developing a wide range of software solutions that demonstrate different architectural patterns, features, and implementations. </p> Responsibilities: Design and develop complete,…
Remote work is listed. Country eligibility unconfirmed; remote does not mean worldwide eligibility. Also check mercor country restrictions.
Experience
Minimum not listed
Education
Not listed
Named languages
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Listed skills
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Mercor is seeking software engineers to build and refine evaluations. You’ll turn completed pull requests into engineering tasks and use our in-house evaluation framework to multiple frontier coding agents, including Claude Code, Codex and more. We work alongside an in-house research team and have produced industry leading benchmarks to compare the performance of frontier large language models. In this role, you will: - Identify repositories with enough substantive work to support challenging evaluations, and select suitable completed PRs. - Investigate each problem, its reference solution, and the repository’s architecture, tests, and conventions. - Write task prompts and build evaluations using automated tests, shell commands, and LLM grading prompts. - Validate evaluations against reference solutions and deliberately flawed implementations. Find missing checks, incorrect grades, and criteria that unnecessarily constrain how a problem can be solved. - Run evaluations repeatedly…
Remote work is listed. Eligible countries: Bangladesh, Bhutan, Germany, Indonesia, India, Cambodia, Sri Lanka, Malaysia, Nepal, Philippines, Pakistan, Singapore, Thailand, East Timor, United States, Vietnam. All listed country and residence restrictions must be satisfied.
As an Android Engineer (Kotlin / Java), you will work remotely on an hourly paid basis to review AI-generated Android code, mobile architectures, and technical explanations, as well as produce high-quality reference implementations and step-by-step reasoning for complex engineering problems. You will assess solutions for correctness, clarity, security, performance, reliability, and adherence to the prompt; identify issues in Jetpack Compose/UI, concurrency, threading, memory/performance, app lifecycle, networking, persistence, and build/release practices; fact-check technical information; write high-quality explanations and model solutions that demonstrate best practices; and rate and compare multiple AI responses based on correctness and reasoning quality. This fully remote, hourly paid contractor role is with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation…
Posting and first-found dates unavailable. Latest source refresh: updated.
Remote work is listed. Eligible countries: Germany, India, United States. All listed country and residence restrictions must be satisfied.
Experience
4 years minimum
Education
Not listed
Named languages
English
Listed skills
rxjs, frontend architecture, typescript, debugging, english, state management, code review, change detection, performance optimization, angular, javascript, html5, css3, scss, angular cli, ngrx, redux, reactive programming, angular universal, server side rendering ssr, jasmine, karma, jest, angular testing library, cypress, playwright, unit testing, end to end testing e2e, reactive forms, angular router, dependency injection di, rest apis, ci cd, eslint
As an Angular Engineer, you will work remotely on an hourly paid basis to review AI-generated Angular code, frontend architectures, and technical explanations, as well as produce high-quality reference implementations and step-by-step reasoning for complex engineering problems. You will assess solutions for correctness, clarity, accessibility, security, performance, and adherence to the prompt; identify issues in Angular change detection, RxJS streams, state management, routing, forms, SSR (Angular Universal), hydration, and bundle performance; fact-check technical information; write high-quality explanations and model solutions that demonstrate best practices; and rate and compare multiple AI responses based on correctness and reasoning quality. This fully remote, hourly paid contractor role is with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model…
Posting and first-found dates unavailable. Latest source refresh: updated.
In this hourly, remote contractor role, you will work as an AWS Specialist (SME) to create realistic, challenging computer-based tasks using Amazon Web Services and related cloud workflows. You will design practical AWS tasks, document them clearly in SuperAnnotate, ensure your setup supports the task, and record yourself executing the task on your computer. Tasks may include navigating the AWS Console, configuring basic cloud resources, working with IAM, S3, EC2, Lambda, CloudWatch, VPC basics, billing views, security settings, deployment workflows, documentation, or cloud troubleshooting scenarios. Your work will help train advanced AI models to better understand how real users complete practical cloud-computing workflows. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate, delivering training data for many of the world’s largest AI companies and foundation-model labs. Your AWS expertise directly helps improve the world’s premier…
First found (posting date unknown): . Latest source refresh: updated.
Remote work is listed. Eligible countries: United States. All listed country and residence restrictions must be satisfied.
Experience
3 years minimum
Education
Not listed
Named languages
Not listed
Listed skills
trainer feedback, linux, ai training, llm evaluation, code review, debugging, shell scripting, bash, automation, cli tools, bash scripting, unix, posix compliance, devops, systems administration, ci cd, git, github, docker, ssh, cron, grep, awk, sed, find, xargs, curl, jq, linux package management, process management, file permissions, error handling, qa, technical writing, remote team leadership, data annotation, google sheets
In this hourly, remote contractor role, you will work as a Bash Quality Assurance Lead (QAL) to oversee quality, consistency, and trainer performance across Bash/shell scripting AI training projects. You will review AI-generated Bash code and trainer/QA work, evaluate output quality against project guidelines, provide precise written feedback, and ensure that contributors follow expected quality standards. You will assess work for script correctness, command safety, portability, debugging accuracy, error handling, security awareness, readability, maintainability, formatting, instruction-following, and adherence to project-specific rubrics. You will spot recurring quality issues, communicate updates to trainers and QAs, support onboarding, maintain documentation, and help activate contributors who are not working consistently. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate, delivering training data for many of the world’s largest…
Posting and first-found dates unavailable. Latest source refresh: updated.
Remote work is listed. Eligible countries: United States. All listed country and residence restrictions must be satisfied.
Experience
3 years minimum
Education
Not listed
Named languages
Not listed
Listed skills
pointers, trainer feedback, c qa, llm evaluation, debugging, c programming, c, ai training, memory management, code review, systems programming, embedded systems, firmware development, pointers memory management, posix, gcc, clang, msvc, make, cmake, gdb, lldb, valgrind, addresssanitizer asan, undefinedbehaviorsanitizer ubsan, static analysis, profiling, concurrency, race condition debugging, secure coding, unit testing, ci cd, github, performance optimization, technical mentoring, team leadership, ai training data qa
In this hourly, remote contractor role, you will work as a C Quality Assurance Lead (QAL) to oversee quality, consistency, and trainer performance across C programming AI training projects. You will review AI-generated C code and trainer/QA work, evaluate output quality against project guidelines, provide precise written feedback, and ensure contributors follow expected quality standards. You will assess work for code correctness, compile-time validity, runtime behavior, memory safety, pointer logic, portability, performance, debugging accuracy, readability, formatting, instruction-following, and rubric adherence. This role requires strong C expertise, English communication skills, attention to detail, and the ability to manage quality workflows across remote technical teams. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate, delivering training data for many of the world’s largest AI companies and foundation-model labs. Your C…
Posting and first-found dates unavailable. Latest source refresh: updated.
sme · General software roles, Other engineering roles
Pay
Up to USD 65 per hour
Country
Remote work is listed. Eligible countries: Bangladesh, Brazil, Bhutan, Germany, Indonesia, India, Cambodia, Sri Lanka, Malaysia, Nepal, Philippines, Pakistan, Singapore, Thailand, East Timor, United States, Vietnam. All listed country and residence restrictions must be satisfied.
Experience
2 years minimum
Education
Not listed
Named languages
English
Listed skills
english, c#, docker, ef core, sql, async await, net, asp net core, linq, web apis, net core, rest apis, web api development, async await, entity framework core, dapper, sql server, postgresql, relational databases, data access layer, git, ci cd, unit testing, xunit, nunit, test automation, microservices, solid principles, design patterns, algorithmic problem solving, data structures, code review, technical writing, english c1
This is an hourly-paid, fully remote contractor role where you will review AI-generated responses and/or generate C#/.NET engineering content, evaluating reasoning quality and step-by-step problem-solving. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology or conceptual understanding; fact-check technical claims; and rate/compare multiple responses based on correctness and reasoning quality. You will also produce high-quality explanations and model solutions that demonstrate correct methods and clear communication. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation-model labs—your work directly helps improve the world’s premier AI models. Important: There is no immediate project for this role; however, if qualified, you will be among the first experts we reach out to when relevant…
Posting and first-found dates unavailable. Latest source refresh: updated.
Remote work is listed. Eligible countries: United States. All listed country and residence restrictions must be satisfied.
Experience
3 years minimum
Education
Not listed
Named languages
Not listed
Listed skills
llm evaluation, ai training, net, testing, c# qa, debugging, trainer feedback, asp net core, c#, code review, microsoft net, entity framework core, linq, async await, dependency injection, object oriented programming oop, rest apis, web api development, sql, azure, aws, docker, git, github, ci cd, unit testing, xunit, nunit, mstest, test automation, technical mentoring, team leadership, agile methodologies, microservices, logging monitoring, visual studio, jetbrains rider
In this hourly, remote contractor role, you will work as a C# Quality Assurance Lead (QAL) to oversee quality, consistency, and trainer performance across C# AI training projects. You will review AI-generated C# code and trainer/QA work, evaluate output quality against project guidelines, provide precise written feedback, and ensure contributors follow expected quality standards. You will assess work for code correctness, runtime behavior, .NET ecosystem awareness, type safety, async behavior, debugging accuracy, readability, maintainability, performance, security, test coverage, formatting, instruction-following, and rubric adherence. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate, delivering training data for many of the world’s largest AI companies and foundation-model labs. Your C# quality leadership will help ensure C# training data is accurate, executable, idiomatic, secure, clearly explained, and aligned with client…
Posting and first-found dates unavailable. Latest source refresh: updated.
Remote work is listed. Eligible countries: Bangladesh, Brazil, Bhutan, Germany, Indonesia, India, Cambodia, Sri Lanka, Malaysia, Nepal, Philippines, Pakistan, Singapore, Thailand, East Timor, United States, Vietnam. All listed country and residence restrictions must be satisfied.
Experience
4 years minimum
Education
Not listed
Named languages
English
Listed skills
remote contractor, low latency development, code review, performance optimization, memory management, english, debugging, c++ programming, systems programming, concurrency, c++, modern c++ c++11 14 17 20, stl, templates, move semantics, smart pointers, multithreading, linux, operating systems, cmake, bazel, gcc, clang, lldb, gdb, profiling, valgrind, sanitizers asan tsan ubsan, coding standards, git, ci cd, unit testing, google test gtest, technical writing
As a C++ Engineer, you will work remotely on an hourly paid basis to review AI-generated C++ code, systems designs, and technical explanations, as well as generate high-quality reference implementations and step-by-step reasoning for complex engineering problems. You will assess solutions for accuracy, clarity, safety, and adherence to the prompt; identify errors in logic, memory handling, concurrency, or performance; fact-check technical information; write high-quality explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality. This fully remote, hourly paid contractor role is with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs, where your C++ and systems expertise will directly help improve the world’s premier AI models used by millions of developers…
Posting and first-found dates unavailable. Latest source refresh: updated.
Remote work is listed. Eligible countries: United States. All listed country and residence restrictions must be satisfied.
Experience
3 years minimum
Education
Not listed
Named languages
Not listed
Listed skills
performance, c++ qa, ai training, trainer feedback, c++, memory management, algorithms, debugging, code review, llm evaluation, modern c++ c++11 14 17 20, systems programming, performance optimization, embedded software, backend development, multithreading, concurrency, raii, stl, templates, move semantics, cmake, gcc, clang, msvc, gdb, lldb, sanitizers asan ubsan tsan, valgrind, profiling, static analysis, boost, unit testing, googletest, catch2, git, github, ci cd, technical leadership
In this hourly, remote contractor role, you will work as a C++ Quality Assurance Lead (QAL) to oversee quality, consistency, and trainer performance across C++ AI training projects. You will review AI-generated C++ code and trainer/QA work, evaluate output quality against project guidelines, provide precise written feedback, and ensure contributors follow expected quality standards. You will assess work for code correctness, compile-time validity, runtime behavior, memory safety, performance, algorithmic reasoning, debugging accuracy, readability, maintainability, formatting, instruction-following, and adherence to project-specific rubrics. This role requires strong C++ expertise, English communication skills, excellent attention to detail, and the ability to manage quality workflows across remote technical teams. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate, delivering training data for many of the world’s largest AI…
Posting and first-found dates unavailable. Latest source refresh: updated.