OpenTrain is the #1 platform for people building careers in AI training and data labeling. We help freelancers find and manage specialized AI-training work in one place, build a durable portfolio of real projects, and grow long-term freelance careers.
We connect contractors with practical tasks that support how AI systems are built and improved.
OpenTrain hires and contracts directly for roles like this one; your work and reputation are recorded on your OpenTrain profile.
Why this work matters
AI systems rely on real people to shape behavior and quality. Even when the task is web development, your work powers the tools, sites, and workflows that support AI-training teams and the wider AI ecosystem.
Flexible, remote contracting lets you contribute on your schedule and build demonstrable experience.
This role combines modern front-end craft with performance, analytics, and conversion-focused thinking.
The role
OpenTrain is recruiting a Senior Webflow Developer to deliver responsive, production-ready Webflow sites and experiences as a part-time contractor. You will build from Figma, manage CMS and forms, craft interactive animations, implement analytics and technical SEO improvements, and automate common workflows.
Location: Remote; applicants worldwide who can work independently in English are welcome.
What you'll do
You will own end-to-end Webflow tasks—turning designs into polished, performant pages and improving site effectiveness through data and automation.
Build and improve responsive Webflow pages from Figma designs into production-ready sites.
Manage Webflow CMS collections, forms, embeds, and reusable components.
Create interactive animations and motion-rich web experiences using modern tools.
Implement analytics, technical SEO fixes, and conversion rate optimization improvements.
Automate workflows and integrate Webflow with common web tools and services.
Requirements
We need a proven, hands-on Webflow expert who can work independently and communicate clearly in English. The list below is the minimum you must demonstrate in past work or a portfolio.
Advanced Webflow development experience, including CMS and responsive builds.
Strong HTML, CSS, and JavaScript implementation skills.
Proven ability to convert Figma designs into production-ready pages.
Familiarity with analytics, technical SEO, performance optimization, and CRO.
Comfort working independently on remote contractor tasks with strong written communication.
Experience with motion tools such as GSAP, Three.js, Lottie, or Rive is strongly preferred.
Who should apply
Apply if you are an experienced Webflow developer who prefers flexible, part-time contracting, and you enjoy combining creative front-end work with analytics and conversion thinking.
Senior Webflow developers with a portfolio of live sites and CMS-driven builds.
Front-end specialists who can deliver animations and integrations without heavy supervision.
People who value remote, flexible hours and want work recorded on a professional AI-training portfolio.
How it works
This is a contract role paid hourly and managed through OpenTrain. You will be assigned discrete Webflow tasks or projects, submit work, and receive payment at the agreed hourly rate. Hours are flexible and typically under 20 per week.
You must have reliable internet, a modern browser, and access to Webflow and design tools (Figma).
Communication is primarily written; clear, timely updates and attention to detail are essential.
OpenTrain maintains your portfolio of completed work so you can grow your freelance profile and discover future contracts.
Remote contract role building polished, responsive web UIs — 17–20 hrs/week, $35/hr. You must have 2–6 years frontend/full‑stack experience, strong JS/TS with React/Next.js/Vue/Angular, and a public live portfolio link to apply.
OpenTrain AI is hiring a part‑time Frontend UI Developer with 2–4 years' experience in React, Angular, Next.js, or Svelte to build and polish responsive, accessible web interfaces. Remote, 17–20 hrs/week; baseline $10–$30/hr with top candidates paid up to $40–$50/hr.
Work remotely as a frontend developer annotating web UI screenshots, producing Q&A pairs, and improving HTML/CSS/JS code; open to contractors in the USA and Canada with 2+ years of experience. Part-time (20+ hrs/week), immediate start — submit a competitive hourly rate (max $25/hr; target $20/hr).