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Web developer Jobs in Hayward, CA

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Web developer • hayward ca

Last updated: 2 hours ago

Remote Customer Success Engineer (LatAm) - AI Trainer ($35000-$50000 per hour)

MercorSan Leandro, California, US
$35,000.00 yearly
Remote
Full-time

Mercor’s Talent Success team is hiring! Our Talent Success team is responsible for ensuring everyone using our platform has a delightful experience end to end, from applying to job listings, taking... Show more

Assistant General Manager

Riser FitnessSan Leandro, CA, United States
$22.00 hourly
Full-time

Be a part of the growing boutique fitness industry and join our Studio Team! Interact directly with members and prospective members and help them on their fitness journey while you connect and cont... Show more

Urgent Opening:: React Developer:: San Leandro, CA:: Hybrid

SPAR Information Systems LLCSan Leandro, CA, United States
Full-time
Quick Apply

Hi,</div> <div>Greetings!</div> <div>My name is "Purvi Sonker" I am working as a Lead Recruiter with Spar Information Systems.I have a opening for Contractual opp... Show more

React JS developer

Cloudious LLCSan Leandro, CA, United States
Full-time
Quick Apply

We are seeking a highly skilled Lead Project Engineer to join our dynamic software development team.The ideal candidate will possess a strong foundation in software development with a particular em... Show more

 • New!

Assistant General Manager

Riser Fitness, LLCUnion City, CA, US
$22.00 hourly
Full-time
Quick Apply

Be a part of the growing boutique fitness industry and join our Studio Team!.Interact directly with members and prospective members and help them on their fitness journey while you connect and cont... Show more

Data Center Security Specialist, AMER-NW Data Center Security

Amazon Data Services, Inc.Hayward, California, USA
Full-time

Amazon Web Services (AWS) serves customers and developers who rely on storage, compute, and our other service capabilities.Our customers trust us to handle their data with air-tight security measur... Show more

Developer, SAP BTP ABAP

Mizuho OSIUnion City, CA, US
Full-time

Mizuho OSI is the leader in the markets for specialty surgery and patient positioning.The company’s portfolio includes specialty surgical tables for procedure-specific approaches that improve patie... Show more

React JS developer

TalentOlaSan Leandro, CA, United States
Full-time
Quick Apply

React JS developer</b></p> <p><b>Location: San Leandro CA (client interview In-Person Must)</b></p> <p><b>Rate ::$74/hr</b></p> <p>... Show more

 • New!

React JS Developer

Saransh IncSan Leandro, CA, United States
Full-time
Quick Apply

Role: React JS Developer</b></p> <p><b>Location :: San Leandro, CA (Need locals F2F interview)</b></p> <p><b>Key Responsibilities</b></p... Show more

Remote Frontend Engineer - AI Trainer ($90-$90 per hour)

MercorUnion City, California, US
$90.00 hourly
Remote
Full-time

About the work** We're building a high-quality dataset of human preference judgments on AI-generated frontend code.Each task hands you a reference web page — crawled from the real internet, deliver... Show more

Data Center Technician

Amazon Data Services, Inc. - A19Hayward, California, USA
Full-time

Amazon Web Services (AWS) is growing rapidly, and we are looking for a Data Center Technician to join our expanding Infrastructure Operations team.Amazon Web Services (AWS) is a fast paced technolo... Show more

SupplySight Field Service Representative - San Francisco

R.S. Hughes Co., Inc.San Leandro, CA, United States
Full-time

Supplysight Field Service Representative.Imagine a company that recognizes excellence in not only the products it sells, but also in its employees.We hold ourselves to the highest standards of qual... Show more

Administrative & Program Support Coordinator (ASC II)

California State UniversityHayward, CA, United States
Full-time

Administrative & Program Support Coordinator (ASC II).Under the general supervision of the Director of Diversity & Inclusion Student Affinity and Resource Centers (DISARC), the DISARC Office Manage... Show more

Account Manager

BrightView LandscapesHayward, CA, US
Full-time

The Best Teams are Created and Maintained Here.The Account Manager serves as the primary point of contact for a portfolio of landscape maintenance clients, building long-term relationships that pro... Show more

Java Developer

VDart IncSan Leandro, CA, United States
Full-time
Quick Apply

MsoNoSpacing"><b>Role: Java Developer</b></p> <p class="MsoNoSpacing"><b>Location: San Leandro, CA (Onsite)</b></p> <p class="Mso... Show more

Senior Java Developer - Foreign Exchange

WELLS FARGO BANKSAN LEANDRO, California, United States of America
Full-time

Are you looking for more? Find it here.At Wells Fargo, we believe that a meaningful career is much more than just a job.It's about finding all the elements that help you thrive, in one place.Living... Show more

Remote Agency Brand Design Expert - AI Trainer ($80-$150 per hour)

MercorSan Leandro, California, US
$80.00 hourly
Remote
Full-time

Role Overview** Mercor is partnering with a leading AI research organization to engage experienced brand designers for a project focused on evaluating how well AI systems perform real-world brand a... Show more

Account Manager

BrightViewHayward, CA, United States
Full-time

Location: Hayward, CA, United States Date Posted: Aug 18, 2026 Req number: JR15601 Job Type: Regular Full Time Pay Range: 75000.The Account Manager serves as the primary point of contact for a port... Show more

Delivery Driver

DeSilva Gates ConstructionHayward, CA, US
Full-time
Quick Apply

At DeSilva Gates Construction, we are dedicated to fostering your career growth by offering mentorship from industry-leading professionals.Our team excels in delivering heavy civil construction pro... Show more

Earthmoving Technical Trainer

petersonholdingSan Leandro, CA, United States
$105,000.00–$125,000.00 yearly
Full-time

Experience Your Time, Make It Matter.At Peterson, we partner with our customers to build the future.For over 85 years, our peoples' work has shaped the communities where we live, where we raise our... Show more

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Remote Customer Success Engineer (LatAm) - AI Trainer ($35000-$50000 per hour)

Remote Customer Success Engineer (LatAm) - AI Trainer ($35000-$50000 per hour)

MercorSan Leandro, California, US
3 days ago
Salary
$35,000.00 yearly
Job type
  • Full-time
  • Remote
Job description
Mercor’s Talent Success team is hiring! Our Talent Success team is responsible for ensuring everyone using our platform has a delightful experience end to end, from applying to job listings, taking our AI-led interviews, accepting offers on our platform, and getting paid for their hard work.**Note: This role is open only to candidates currently residing in Latin America. Applicants outside Latin America will not be considered.** # **About the Role** Mercor has thousands of users joining the platform each week to interview for different roles our clients have posted. When they run into issues or have questions and reach out for help, you will be responsible for giving them a speedy and delightful experience. You will work directly with our engineering team, triaging and investigating bug reports so being super savvy with modern websites and issues SaaS-type applications run into will come in handy. Since your conversations with the talent applying on our platform will often be the first interaction someone has with Mercor, maintaining an enthusiastic, upbeat tone while writing at native English level proficiency is important. We use a lighthearted and informal tone in our support communication while at the same time being very professional and precise in our replies. Note: This is a **remote, 6-day/week** role requiring **substantial overlap with Pacific Time (PT/PST)** working hours. # Key Responsibilities - Investigate talent-reported issues end-to-end: reproduce bugs, identify root causes, and separate UX friction, model edge cases, and system defects. - Debug across our AI + SaaS stack using telemetry, logs, network inspection, and database queries to understand production behavior. - Triage with sound judgment — escalate true engineering issues and resolve others via configuration, prompt refinement, or clear user guidance. - Surface systemic patterns and product risks to engineering and product leadership. - Create clear documentation and runbooks to reduce repeat issues and improve resolution speed. - Communicate with precision, professionalism, and empathy. # **Qualifications** - Ability to debug web applications, likely coming from either a - Degree in Computer Science, Software Engineering, or a related technical field from a top-tier institution or prior experience at a high-growth technology startup. - Experience building modern web applications (React, Node, Flask, Next.js, etc.) OR - 2-5 years of experience supporting customers on such web applications. - Comfortable with _AI systems_ — you’ve played with LLMs, agents, or generative models. - Experience exploring behavior of AI tools (fine-tuning, prompt chains, chain-of-thought debugging, or building agents). - Ability to understand model outputs, failure modes, hallucinations, and feedback loops. - Familiarity with how modern AI APIs work (OpenAI, Anthropic, etc.) or how agent frameworks (LangChain, AutoGPT, etc.) function is a plus. # **About Mercor** Mercor is at the intersection of labor markets and AI research. We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development. Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone. Today, more than 30,000 experts in our network collectively earn over $2 million a day. Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society. Mercor is a profitable Series C company valued at $10 billion.