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Junior web developer Jobs in Lowell, MA

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Junior web developer • lowell ma

Last updated: 17 hours ago

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

MercorLawrence, Massachusetts, 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

Loss Control Field Representative

Alexander & SchmidtAndover, MA, USA
Full-time

Loss Control Field Representative.At Alexander & Schmidt, a Loss Control Field Representative performs on-site property, general liability and incidental auto inspections and prepares reports for i... Show more

Project Software Engineer / Project Software Developer

Triton Systems, Inc.Chelmsford, MA, USA
$95,000.00 yearly
Full-time
Quick Apply

Project Software Engineer / Project Software Developer Company SummaryTriton Systems, Inc combines 30+ years of experience with exciting growth and innovation opportunities within the product devel... Show more

JUNIOR ASSISTANT MANAGER

Boutique La Vie En RoseAndover, MA, United States
$18.25–$23.50 hourly
Full-time +1

For years now, we've been designing lingerie and swimwear for everyday living.Why do we do what we do? Because we want women around the world to look and feel their best! Join our dynamic team to s... Show more

Senior Corvision Developer

BIRDSVUE LLCDunstable, MA, US
$65.00 hourly
Full-time

The Senior CorVision Developer will serve as the primary developer for critical legacy platforms built on OpenVMS, CorVision, RDB, and associated operational tools.The position requires deep techni... Show more

Junior Accountant

AgeSpanLawrence, MA, USA
$33.00 hourly
Full-time
Quick Apply

AgeSpanAbout Us: Since 1974 our agency has strived towards supporting an individual's desire to make their own decisions, secure their independence and remain living independently in the community.... Show more

Remote Software Developer $60 - $120/hourpay

Micro1Lowell, Massachusetts, US
$60.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

OPM & Construction Project Manager - Hanover NH

CSL Consulting LLCMethuen, MA, United States
Full-time

The Project Manager is responsible for overseeing project execution from design through closeout, driving coordination across permitting, construction, quality control, occupancy, scheduling, and b... Show more

Loss Control Field Representative

Alexander & Schmidt - Getting the Job Done as a Trusted and Reliable PartnerAndover, MA, United States
Full-time

Loss Control Field Representative.At Alexander & Schmidt, a Loss Control Field Representative performs on-site property, general liability and incidental auto inspections and prepares reports for i... Show more

Senior KYC Onboarding Lead - Institutional Clients

G MASSAndover, MA, US
$65,000.00 yearly
Permanent
Quick Apply

Our client’s Networks group offers best-in-class technology and industry-leading practices to help firms manage risk, meet regulatory requirements, and streamline compliance.Their solutions provide... Show more

Junior Assistant Manager

Rainbow ShopsMethuen, MA, United States
Full-time

Rainbow USA is recognized as one of the fastest growing junior, kids, plus, and petite, specialty apparel retail chains and has grown to over 1,000 retail stores! We have multiple retail lines that... Show more

M-78-Data Architect 144227.

FHRLowell, MA, US
Temporary
Quick Apply

Data Architect (Job ID: 144227).Location: Hybrid – Augusta, ME (Onsite once per month; candidates in New England preferred).Travel: Client does not cover travel expensesOur direct client in Augusta... Show more

Software Product Line Manager

Analog DevicesChelmsford, MA, United States
Full-time

Software Product Line Manager Software Defined Radio (SDR) Systems-on-Module Portfolio.We are seeking a Software Product Line Manager to lead the strategy, roadmap, and business performance of an ... Show more

Full Stack Ruby on Rails Software Engineer

icortica IncBillerica, MA, US
Full-time
Quick Apply

We are seeking a Full Stack Ruby on Rails Engineer who is skilled at building scalable applications and comfortable leveraging AI in both development workflows and product features.You will work ac... Show more

Junior Processor

AnnieMac Home MortgageMethuen, MA, United States
Full-time

AnnieMac Home Mortgage is looking to hire a Full Time Junior Processor to be responsible for the processing of conventional, FHA, VA, and/or Reverse loans as in accordance with all company, investo... Show more

Service Desk Lead/ Junior Service Manager

hays-gcj-v4-pd-onlineAndover
$47,000.00 yearly
Full-time

Your newpanyWe are currently recruiting for a Service Desk Lead / Junior Service Manager on behalf of a growing organisation operating within the Defence sector.As the business continues to expand ... Show more

Senior Full-Stack Python Developer

SimeraCarlisle, Massachusetts, United States
Full-time

Senior Full-Stack Python Developer.This is a high-ownership role where you’ll work closely with the client, contribute to technical decisions, and deliver features from design through deployment.De... Show more

 • New!

Remote Software Engineer - AI Trainer ($40-$50 per hour)

MercorLowell, Massachusetts, US
$40.00–$50.00 hourly
Remote
Full-time

Role Overview We’re hiring Software Engineers to build and ship apps for Mercor’s RL Studio platform.The role involves developing MCP servers and sometimes BUAs, integrating real software into sand... Show more

Certified Nursing Assistant or Home Health Aide

Assisting Hands Boston Northwest Home CareNorth Billerica, MA, United States
Full-time

Become a Caregiver with Assisting Hands Home Care.Change the Way the World Ages! As a Caregiver on our team, you will provide one-on-one assistance to clients in the comfort of their own homes.In t... Show more

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

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

MercorLawrence, Massachusetts, US
12 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.