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Junior web developer Jobs in Simi Valley, CA

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Junior web developer • simi valley ca

Last updated: 15 hours ago

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

MercorThousand Oaks, 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

Senior Manager, Finance Systems

AeroVironmentSimi Valley, CA, United States
$128,000.00 yearly
Full-time

Senior Manager, Finance Systems.The Senior Manager, Finance Systems leads the functional execution of enterprise-wide finance systems initiatives, with primary focus on Oracle Fusion ERP optimizati... Show more

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Quality Assurance Lead Engineer

Eleven RecruitingAgoura Hills, CA, US
$58.00 hourly
Full-time
Quick Apply

We are a specialized technology staffing agency supporting professional and financial services companies.Why do we stand out in technology staffing? We listen and act as advisors for our candidates... Show more

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

MercorThousand Oaks, 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

Engineering Project Manager

Visium Resources, Inc.Thousand Oaks, CA, US
Permanent

Introduction Visium Resources has been asked to recruit a Senior Engineering Project Manager for our client's growing team.This is an outstanding opportunity where the successful candidate wi... Show more

Assistant Program Director

i9 SportsSimi Valley, CA, United States
$20.00 hourly
Part-time

The Assistant Program Director works alongside the franchise owner (Area Developer) to help kids succeed in life through sports! The Assistant Program Director manages the day-to-day operation of t... Show more

Junior Groomer

PetcoN Moorpark Rd, Thousand Oaks, CA 91360 United States
$10.00 hourly
Full-time

Want to help pets live their best lives?.We’re proud to be where the pets go and where the pet people go.If you want to make a real difference, create an exciting career path, feel welcome to be yo... Show more

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

MercorSimi Valley, 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

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Controls Engineer

AutomationtechiesAgoura Hills, CA, United States
Full-time

Join a successful, growing, nationally recognized engineering and system integration firm as a.In this role, you'll design, program, test, and commission PLC, SCADA, and HMI control systems while w... Show more

Product Manager, Tracking Solutions

MslgroupAgoura Hills, CA, United States
Full-time

Product Manager For Tracking Solutions.The data and identity layer beneath CJ's commerce media network is what makes measurement and attribution possible, and it's evolving rapidly as we see an exp... Show more

Office Administration Work - Support Assistant

HRS Talent SolutionsThousand Oaks, California, United States
$28.00 hourly
Remote
Full-time +1
Quick Apply

Office Administration Work - Support Assistant - Remote.We are currently seeking organized and dependable individuals for an entry-level Office Administration Support Assistant opportunity.Thi... Show more

Remote Sales Engineering Expert - AI Trainer ($100-$150 per hour)

MercorSimi Valley, California, US
Remote
Full-time

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

Occupational Therapist (OT) - Home Health

BioMechanics Physical TherapyThousand Oaks, California, United States
$135,000.00 yearly
Full-time
Quick Apply

Empowerment in Motion: Join Us and Shape Lives Through Healing Hands!.About Home Health: Geriatric patient population.Position: Home Health/Contract/Physical Therapist (PT).Coverage: 10-mile radius... Show more

Associate Manager, Web Analytics

Pharmavite LLCWest Hills, California
$80,000.00 yearly
Full-time

HELP US BRING THE GIFT OF HEALTH TO LIFE.Working at Pharmavite is an experience like no other.With a focus on complete nutrition for all, each endeavor is urgent and every day counts.You'll have th... Show more

Junior Collection Supervisor

Hankey GroupAgoura Hills, CA, US
$22.00 hourly
Full-time

We are committed to growing and strengthening our organization by hiring the people that make Westlake World (our culture) what it is.Through hiring the best fitting applicant and supporting our pe... Show more

Junior Account Executive

Vitavet Labs IncWestlake Village, CA, US
$45,000.00 yearly
Full-time

We are a leading pet nutrition company looking for an animal loving, and eager to learn Junior Account Executive to join our team in Westlake Village.This is a full time, Monday-Friday in office po... Show more

Physical Therapist Assistant

PeppercareSimi Valley, CA, US
$52.00 hourly
Part-time

Web-based, user friendly software.Liability and Workers Comp Insurance.Liability and work comp insurance.Web-based, user-friendly software.Home Health Physical Therapist Assistant - Simi Valley.Are... Show more

Sr Python Developer

Teklead CorpAgoura Hills, CA, US
$66.00 hourly
Full-time

US CITIZENS & PERMANENT RESIDENTS ONLY.Job Location: Westlake Village, CA (Onsite, NO REMOTE).Excellent contract-to-hire job opportunity.As a Software Developer for the Artificial Intelligence ... Show more

Digital Content Coordinator

Joni and FriendsAgoura Hills, CA, US
$23.50 hourly
Full-time
Quick Apply

Under the supervision of the Manager, Digital Experience, support the overall objectives of the Joni and Friends Marketing department.Perform duties and responsibilities including, but not limited ... Show more

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

MercorThousand Oaks, 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

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

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

MercorThousand Oaks, California, US
3 days ago
Salary
$90.00 hourly
Job type
  • Full-time
  • Remote
Job description
  • 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, delivered as a full zipped site tree plus screenshots of its default view and, on some pages, additional states reached by hovering, clicking, or scrolling. Alongside it come two model attempts, A and B, each a zipped self-contained site tree. The models only ever saw the screenshots; they never had the source. You download all three, run them locally, view each at a 1920×1080 viewport, interact with them to reach every required state, then open the source of both attempts and grade them against each other — on visual fidelity per state, and on how the code is actually constructed. Structure and responsiveness are explicitly part of the rubric, not just the render. This is evaluation work, not authoring. The defining skill is not that you can build a page — it's that you can open someone else's page and tell how it was built and where it cheats. Please read before applying - Each unit takes roughly 2–3 hours and is timed. This is not microtask work; if you can only offer scattered 15-minute windows, you will not be able to finish a unit. - You need a real local development environment. A tablet, a Chromebook, or a locked-down work machine that cannot run a local static server will not work for this project. - You need at least one completed Mercor engagement, delivered in full. We are not onboarding net-new experts to this project. What you'll do - Render a reference page and two candidate replications at 1920×1080 and judge which is the closer reproduction, state by state. - Diff visual fidelity in detail : box model and spacing, typography (family, size, weight, line-height, letter-spacing), color and border treatment, image and asset handling, z-order and overflow. - Read the source of both attempts and grade construction quality — distinguishing a replication that is genuinely correct from one that merely looks correct at one viewport. Hardcoded pixel offsets, absolute positioning standing in for real layout, inline style soup, a single undifferentiated div tree, or a screenshot pasted in as an `` instead of a rebuilt section. - Test responsiveness : a nav bar that looks right at 1920px but collapses at 1400px is a defect, and you should be able to say precisely why. - Write a specific, evidence-cited justification for every preference. We need "B nests the article body in a single absolutely-positioned div, so the text overlaps the footer below 1600px, while A uses normal document flow" — not "A looks closer." - Use the "this task is broken" escape hatch with judgment : distinguish a task that genuinely cannot be completed from the screenshots provided from one that is merely hard. Over-flagging and under-flagging are both failure modes. You're a fit if you have - 3–8 years of professional web development experience, shipping web interfaces for a living, primarily in frontend or full-stack work. - Fluency across web eras. The reference pages are real crawled sites — one is a small charter-fishing business built in the table-and-image-map tradition, another a corporate press-release page with stacked navigation rows and social share widgets. If your entire career happened inside a modern component framework and you have never authored raw CSS or seen a `` used for layout, you will misjudge many of these pages. - Command of hand-written HTML and CSS : semantic markup, flexbox, grid, media queries, and legacy float- and table-based layouts you can read and reason about. You should be able to look at a rendered layout and predict what's holding it together before opening DevTools. - Browser DevTools as muscle memory — setting an exact viewport, walking the element tree, checking computed styles, watching what a hover handler mutates. - Command-line comfort : unzipping an archive, standing up a static local server because the relative asset paths demand it, and untangling a broken image reference rather than giving up and grading from the screenshot. - Enough JavaScript to read a page's scripts and understand what they do to the DOM, even if you don't write JS daily. - Professional written English. Every task ends in a free-text justification, and a rating without a specific rationale is worth very little. Equipment - A desktop or laptop that displays a 1920×1080 viewport. - Administrator rights on your own machine, so you can install and run a local server. Nice to have - Prior RLHF, preference-labeling, model-evaluation, or structured code-review work — the strongest single signal. Rubric-driven comparison at volume needs almost no ramp here. - Pixel-perfect design-to-code experience : agency work, design systems, template production. Anyone who has had a designer reject a build over four pixels has exactly the fidelity eye this needs. - Accessibility expertise (ARIA, semantic landmarks, heading hierarchy) — you'll notice immediately when an attempt renders a heading as a styled ``. - Familiarity with how LLMs fail at code generation. - Web scraping, archiving, or DOM-parsing background — comfort with messy crawled site trees. - More than one completed Mercor project, and availability in contiguous multi-hour blocks. Note : this seat is for practicing web developers. Backend-only, ML / data-science-only, mobile-native-only, and DevOps-only engineers do not have the UI instincts this requires, however strong they are otherwise. Designers who do not code cannot grade the source axes at all. Framework-only engineers who have never authored CSS outside a component library will struggle with the legacy reference pages.