Remote Backend Engineer for AI Projects (Contract)
Mercor Inc
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.
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 a remote environment
How It Works
This is not a specific job posting. By applying, you’re joining our Backend Engineer talent network.
- Apply once: Complete your profile by uploading your resume and confirming your work location.
- Get verified: We review your credentials and approve qualified experts.
- Stay connected: When projects need Backend Engineering expertise, we match you to opportunities based on your expertise and project needs.
- Start working: Be invited to interview for opportunities that align with your schedule and interests. You will earn competitive rates while working remotely on your own schedule.
- ...Talent Network Join our Backend Engineer Expert Network to connect with leading AI labs and companies... ...application for future contract opportunities that match... ...eligible for relevant projects as they become available... ...work independently in a remote environment How It...Contract workRemote workProject
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- ...Talent NetworkJoin our Backend Engineer Expert Network to connect with leading AI labs and companies seeking... ...application for future contract opportunities that... ...eligible for relevant projects as they become available... ...work independently in a remote environmentHow It WorksThis...Contract workRemote workProject
- ...inviting applications to join its Backend Engineer Expert Network. The role involves evaluating AI models, creating real-world... ...ability to work independently in a remote setting. As a member of the... ...ll be eligible for competitive project opportunities with flexible hours...Contract workRemote workProjectFlexible hours
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- ...Backend Python Engineer What if your Python expertise could directly shape... ...the world's most advanced AI systems write and reason... ...software. This is a fully remote, flexible contract role built for senior... ...most technically demanding projects in the field Fully remote...Contract workRemote workProjectHourly payOngoing contractFreelanceFlexible hours
- ...Senior Backend Engineer Tabby creates financial freedom in... ...us build an internal AI agent platform. You... ...shaping a transformative project from the ground up —... ...alongside a world-class remote engineering team... ...~ Full-time B2B contract ~ Fully remote setup...Contract workRemote workProjectFull timeFlexible hours
- ...Lead Backend Engineer - AI Tooling About the Role What if your Python expertise could... ...important models. This is a fully remote contract role with flexible hours - real, high... ...systems used by leading AI labs - not toy projects Fully remote and flexible -...Contract workRemote workProjectHourly payOngoing contractFreelanceFlexible hours
- ...Senior Backend Engineer - AI Product Framingham, MA; Los Angeles, CA; Seattle... ...in B2B SaaS platforms, project management tools, or workflow... ...Compensation & Location Location: Remote-first, with preference for... ...assembly, and large volume contract manufacturing. Our customers...Contract workRemote workProjectPermanent employment
$120k - $150k
...privacy. We are a fully-remote team with monthly... ...for exceptional engineers to define and... ...page. Some selected projects we\'re proud of are... ...Proficiency in backend development using... ...Reporting Systems - Contract 6mo San Francisco... ...with the help of AI. #J-18808-LjbffrContract workRemote workProjectFull timeH1bWork from home$150k - $180k
...role The Senior Backend Engineer role gives the successful... ...2024 $17 million contract awarded by U.S. Space... ...Trust Network Access, Remote Privileged Access Management... ...ownership of specific project scope and initiatives... ...intelligence (AI) tools to support parts...Contract workRemote workProjectWorldwide$70 - $150 per hour
...Talent Network Join our Backend Engineer Expert Network to connect with leading AI labs and companies... ...application for future contract opportunities that match... ...eligible for relevant projects as they become available... ...work independently in a remote environment How it Works...Contract workRemote workProjectHourly pay- ...Lead Backend Engineer — AI Tooling What if your Python expertise could directly shape the infrastructure... ...their models. This is a fully remote contract role working on real production... ...structure and stability of ongoing, project-based engagement Make a real, measurable...Contract workRemote workProjectHourly payFreelanceFlexible hours
$60 - $100 per hour
...Position: Software Engineering, Data Science, and Systems Design Experts... ..., C# (5+ YOE) Type: Hourly contract Compensation: $60–$100/hour Location: Remote Commitment: part-time, flexible based on project work Role Responsibilities Evaluate AI-generated responses to coding...Contract workRemote workProjectHourly payPart timeFlexible hours- ...Senior Backend Engineer (Node.js / NestJS) – Greenfield Product Brazil Freelance Contract | 9–12 months Remote from Brazil About the Project Castle Tech GmbH is building a new standalone product... ...using modern tooling and AI-assisted engineering AI-Augmented...Contract workRemote workProjectFor contractorsFreelanceImmediate startFlexible hours
$8 - $65 per hour
...Backend Engineering Specialist - Freelance AI Trainer Project United States of America Are you an experienced Backend Engineer eager to shape the future... ...Specialist – AI Trainer Employment type: Contract Workplace type: Remote Seniority level: Mid-Senior #J-18808-Ljbffr...Contract workRemote workProjectHourly payFor contractorsFreelanceWorldwide- ...Java Backend Engineering What if the only thing standing between... ...and utilizes AI-driven verification to... ...Developing a "single-contract" FinTech solution that... ...participate in meetings and projects and to coordinate with... ...arrangements, including remote or hybrid options....Contract workRemote workProjectWork at officeLocal areaFlexible hours
- ...Senior Backend Engineer (C#) - AI Data Platform About the Role What if your C# expertise... ...improve their models. This is a fully remote contract role with flexible scheduling - and... ...Potential for ongoing work and contract extension as new projects launch...Contract workRemote workProjectHourly payOngoing contractFreelanceFlexible hours
- ...Staff Backend Engineer - Application Core Services, Stacks... ...after a customer signs a contract, integrating with cloud... ...Config Reconciliation project Manage rollout... ...company, we hire globally (remote-first) to ensure our... ...productivity. You can use modern AI coding assistants as...Contract workRemote workProjectWork experience placement
- ...Senior Backend Engineer (C#) - AI Data Platform What if your C# expertise could directly shape... ...models. This is a fully remote, flexible contract role for an experienced engineer who... ...high-impact engineering, not toy projects Fully remote and async-friendly...Contract workRemote workProjectHourly payOngoing contractFull timeFreelanceFlexible hours
- ...Join Our Team as an AI-native Staff Backend Engineer! Join one of our cross-functional... ..., or Platforms, working remotely from Portugal. Are you... ...of adjusting to changing project requirements, roles, and backend... ...API design, RESTful contracts, database schema, and CI/CD...Contract workRemote workProjectPermanent employmentWork at officeFlexible hours
$119.05k - $160k
...Core Backend Engineer At Basis, we empower agencies and brands... ...and Canada, including remote, hybrid, or on-site at... ...per day and uses AI and machine learning across... ...(unit, integration, contract, end-to-end) so teams... .... Lead platform projects across the stack — release...Contract workRemote workProjectFlexible hours$62k - $141k
...Job Description Remote Work:... ...Share Backend Integration & Platform Application Engineer The Opportunity... ...experience, as well as contract-specific affordability... ...requirements. The projected compensation range... ...fraud. Candidate AI Usage Policy...Contract workRemote workProjectFull timePart timeWork at officeLocal area- ...Thursday, May 21, 2026 City Remote Country United States... ...service delivery. Recent contract awards in cybersecurity and operational... ...development programs or projects. - 3 years of experience performing... ...learning technologies or AI capabilities. #techjobs...Contract workRemote workProjectMinimum wageFull timeTemporary workWork experience placement
$40 per hour
...developing cutting‑edge AI systems, while enjoying the flexibility of remote work and setting your... ...for a proficient Backend QA Engineer - AI Trainer to help advance... ...focus, choosing projects and schedules that align... ...this time. Job Type: Contract Pay: $40.00 - $60.00...Contract workRemote workProjectHourly payFull timeFlexible hours- ...Backend Developer - AI Data Services What if your C# expertise could directly... ...a Senior C# Full-Stack Engineer to build and optimize the... .... This is a fully remote contract role with meaningful, high... ...AI research labs — not toy projects Fully remote and async-...Contract workRemote workProjectHourly payOngoing contractFreelance
- ...transparency, trading engine speed, deep liquidity,... ...enhance DApps and smart contracts to support a seamless client... .... Optimize backend services for scalability... ...Familiar with mainstream AI tools like claude code... ...Tackle unique, fast-paced projects with autonomy in an innovative...Contract workRemote workProjectWork from homeOverseas
- ...days onsite per week preferred; remote considered) Employment Type: Contract (7-12+ Months) Project Scope Enhance seller-... .... Modernize frontend and backend architecture for scalability and... .... Familiarity with AI-assisted development tools....Contract workRemote workProject2 days per week1 day per week
$50 - $75 per hour
...Backend Developer - Data Annotation Systems $50-75/hr Remote Freelance CODING About the Role... ...'s most advanced AI models? We're looking... ...Full-Stack Engineer to build and optimize... ...remote, flexible contract role for a... ...systems — not toy projects — alongside top-tier...Contract workRemote workProjectHourly payOngoing contractFreelanceFlexible hours
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