Backend Engineer - AI Coding Agent
$85 per hourMercor
Job Description
Job Description
About the job
Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .
Position: Backend Engineer (Coding Agent Experience)
Type: Contract
Compensation: $85/hour
Location: Remote
Role Responsibilities
- Use frontier AI coding agents to complete and evaluate complex engineering tasks.
- Review model-generated code for correctness, quality, maintainability, and performance.
- Identify bugs, edge cases, and failure modes in model outputs.
- Compare outputs from multiple frontier models and assess their strengths and weaknesses.
- Apply professional engineering judgment to realistic backend engineering scenarios.
- Work independently and asynchronously to meet deadlines while improving AI model performance .
Qualifications
Must-Have
- 2+ years of professional backend engineering experience.
- Experience building APIs , distributed systems, microservices, backend platforms, or databases.
- Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools.
- Ability to evaluate model-generated code and identify bugs, edge cases, and architectural tradeoffs.
Preferred
- Experience working on large-scale production systems.
Compensation & Legal
- $400 per accepted task .
- Typical tasks take approximately 1–3 hours after ramp-up.
- No fixed task limits.
- Compensation is tied to accepted work.
Application Process (Takes 20–30 mins to complete)
- Upload resume
- AI interview based on your resume
- Submit form
Resources & Support
- For details about the interview process and platform information, please check:
- For any help or support, reach out to: View email address on ziprecruiter.com
PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.
Vacancy posted 22 days ago
Similar jobs that could be interesting for youBased on the Backend Engineer - AI Coding Agent in New York, NY vacancy
$140k - $160k
...working smarter—leveraging AI and emerging... ...database. We are looking for engineers who are eager to tackle... ...fintech, build scalable backend services, and contribute... ...security.Act as an "Agent Conductor" to architect... ...services by leveraging AI coding assistants.Collaborate...SuggestedWork at officeWork from homeFlexible hours$135k - $200k
...battlefronts of militaries across the world. Backend Software Engineers at Palantir build software at scale to transform how... ...services that underpin our our operational data and AI systems Maintaining high coding standards through the development of guidelines,...SuggestedFull timeWork experience placementWork at officeRemote workWork from homeRelocation packagePalantir Technologies
New York, NY10 hours ago$150k - $185k
...opportunities. We are looking for a Senior Backend Software Engineer to own and drive development of the... ...requirements are met by implementing secure coding practices, authentication and... ...Startup experience Worked with LLMs and AI-powered systems, including integrating...SuggestedRemote workHome officeGrabJobs
New York, NY4 days ago- ...Join SignalFire’s Talent Network for Staff Backend Engineer Roles at VC-Backed Startups This is not... ...spans 200+ innovative companies across AI, cybersecurity, healthtech, fintech,... ...containerization tools (Docker, Kubernetes) ~ Strong coding skills in Python, Go, Java, Node.js, or...SuggestedFull time
Signal Fire Inc
New York, NY10 hours ago - ...startup revolutionizing K-12 education with AI-driven solutions. We develop software to... ...About the Role We're seeking a Senior Backend Engineer to join our team and help scale our Node... ...development, and we expect most code to be written by AI tools. Your job is to...Suggested
- ...limits of what's possible.As a Lead Software Engineer at JPMorganChase within the Consumer and... ...secure and high-quality production code, and reviews and debugs code written by othersDrives... ...team adoption of enterprise-authorized AI-assisted engineering practices within the...
$107k - $168k
...We Are Addepar is a global data and AI platform empowering investment professionals... ...to scale, a need has opened up for a Backend Software Engineer who would bring to bear their unique... ...Server) ~ Experience with AI agentic coding is a plus ~ Excellent written and verbal...Full timeH1bRemote workWorldwideVisa sponsorshipWork visaWho We Are Addepar
New York, NY10 hours ago$161.3k - $241.9k
...combining frontier agentic AI, an enterprise-grade... ...— from leadership to engineers — and work together to... ...As a Software Engineer, Agents, you'll build the systems... ...and libraries for coding agents. What You'll... ...products, either on the backend or full-stack. Compensation...Full timeHarvey
New York, NY10 hours ago- ...building the foundational AI infrastructure that... ...the entire platform. The Agents, Automations & Plugins... ...transitioned from Talent Engineering into the AI Cloud org... ...infrastructure initiatives across backend, platform, and AI-... ...you'll shape itWrite code, review critical code...Work at office3 days per week
$147.6k - $274k
...what makes us Roche.Advances in AI, data, and computational... ...Machine Learning Scientist building agents for applied small-molecule... ...in Python and modern agentic coding environments such as LangChain... ...learning, computer science, chemical engineering or a related quantitative...Full timeLocal areaWorldwideRelocation package- ...Rippling, we're not just building AI features, we're building an... ..., is being rebuilt around agents, and the platform you build will... ...bet at the company.As a Senior Engineer on AI Platform, you'll own meaningful... ...you'll be in the weeds of the code.What you will doOwn end-to-end...Work at office3 days per week
- ...world's most reliable on-demand, logistics engine for delivery. We are continuing to grow... ...offices globally! We are looking for Backend Engineers to build and maintain a large... ...backend tech stacksProficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor)...Hourly payWork at officeLocal areaRemote workFlexible hours
$60 per hour
...and contribute to developing cutting‑edge AI systems, while enjoying the flexibility... ...development. As a member of DataAnnotation’s coding team, you’ll be part of a growing... ...full‑stack, machine learning, and other engineers — who are driving real‑world impact in AI...Hourly payFull timeRemote workFlexible hoursDataAnnotation
New York, NY4 days ago- ...Responsibilities Build platform and backend systems at Siro, across recording, integrations, AI agents, and more! Own the end-to-end development... ...excellence through thoughtful code reviews, documentation, and engineering best practices Partner closely with...Full timeWork at office3 days per week
Siro
New York, NY10 hours ago - ...world's most reliable on-demand, logistics engine for delivery. We are continuing to grow... ...globally! We are looking for Staff Backend Engineers to build and maintain a large... ...industry experienceProficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor)...Hourly payWork at officeLocal areaRemote workFlexible hours
- ...institutions. We specialize in leveraging advanced technologies such as AI, cloud, and data-led innovation to help our clients accelerate... ...team towards building software solutions Participate in coding and integrate new features or updates into existing applications,...Full timeTemporary workRelocation
- ...Squid AI helps enterprises modernize in place and without disruption... ..., turnkey, private AI agents based on their own data and an... ...infrastructure, and/or platforms Prior dev/coding experience (even if you don’t... ...by working closely with engineers, design, marketing, and sales....Remote work
Squid Cloud, Inc.
New York, NY4 days ago - ...limits of what's possible.As a Lead Software Engineer at JPMorganChase within the Consumer and... ...secure high-quality production code, and reviews and debugs code written by othersIdentifies... ...team adoption of enterprise-authorized AI-assisted engineering practices within the...
$147k - $237.5k
...Integrity, and Inclusion. We weave AI into the fabric of everything... ...are looking for experienced engineers with a strong product sense... ...haveStrong experience in one or more backend languages (e.g., Go, Java, Python, Rust)Experience using AI coding assistants (e.g., Cursor,...Full timeRemote work$170k - $200k
...commercial intent beyond legacy search engines.Today, our Native Search... ..., Buy Now Pay Later apps, and AI chat surfaces. Powered by... ...scalable, secure, and observable backend microservices using Java.... ...performance, maintainability, and code quality.Use AI-assisted development...Summer workWork at office$139k - $257.55k
...developer with proficiency in backend technologies and a fervor for... ...Participate as a part of the engineering team’s rotation for being on-call... ...and performance of new code. We’re looking for Proficiency... ...them. Comfortable working in an AI-forward engineering environment...Full timeTemporary workLocal areaWorldwide- ...metabolic health clinic. We're an AI-native digital health system... ..., lab testing, and AI agents to deliver insurance-covered... ...looking for talented Senior Backend Engineers to join our fast-growing team... ...fully-tested, high-performance code that sets the standard for excellence...Full timeWork at officeRemote work
$158.08k - $178.88k
...and high-impact talent who see AI as a teammate – leveraging it... ...for a deeply experienced backend engineer who brings strong ownership,... ...quality through design reviews, code reviews, testing, observability... .... Ability to use AI agents to explore multiple implementation...Remote jobFull timeContract workFlexible hours3 days per week$150k - $210k
...communities.This is a Lead Software Engineering position at Vice President... ..., testable, and reusable code.Review pull requests, and guide... ...development team comprised of Backend and/or Data EngineersStrong working... ....Strong working knowledge of AI spec driven development and...Temporary work$180k
...-throughput generalist engineers as we scale into the multi... ...3 Learn the Vertical AI playbook how to... ...Build Voice and SMS agents that automate the 24/7... ...FastAPI / Python on the backend Postgres (RDS) Twilio... ...and love using coding agents to automate engineering...Full timeImmediate startShift workPhoebe
New York, NY10 hours ago$150k - $200k
...stay ahead on upkeep, and get help - from AI-driven guidance to in-person services -... ...the Role We’re looking for a Staff Backend Engineer to lead the architecture, development,... ...Standards: Define backend architecture, coding standards, and processes for rapid, high...Local areaFlexible hours- ...leading security-first enterprise AI company. We build cutting-edge... ...is a team of researchers, engineers, designers, and more, who are... ...Why This Role?Ready to build AI agents that revolutionize enterprise... ...perform alert triage, secure code reviews, threat modeling, and...Full timeWork at officeLocal areaRemote workHome office
- ...advanced hardware, software, and AI technology to make it possible... ...are looking for a Full Stack Engineer to be the technical backbone... ...monitoring systems that enable our AI agents and human support team to... ...leverage and orchestrate AI coding assistants effectively - you'...Full timeImmediate startWorldwideNight shift
- ...leading security-first enterprise AI company. We build cutting-edge... ...is a team of researchers, engineers, designers, and more, who are... ...trusted platform that connects AI agents with workplace tools and... ...enterprise dataWrite and ship minimal code that runs in low-resource...Work at officeLocal areaRemote workHome office
$100k - $143k
...intersection of full stack engineering, Financial Services... ...native development, and AI-first delivery.We are... ...Develop secure and scalable backend services using C#, .NET... ..., Cursor, Claude Code, or similar tools to accelerate... ...how our employees and agents are leading the...Local area3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Backend Engineer - AI Coding Agent. Be the first to apply!
Related searches