Mid-Senior Webflow Developer

🌍 Location: Remote (Must have availability to collaborate across GMT + EST time zones)

💷 Pay: DOE

📝 Contract: Full time contractor

Overview

Demandflow, a fast-growing design and Webflow agency, is seeking a Front-End Developer specialising in Webflow to build high-performance websites for B2B startups, scale-ups, and enterprise clients.

In this role, you'll be responsible for transforming designs into pixel-perfect, performant Webflow sites while leveraging cutting-edge AI tools to accelerate development and enhance quality. You'll work closely with our design and project management teams to deliver technically excellent websites that drive business results for fast-growing companies.

This role requires a developer-first mindset with deep Webflow expertise, proficiency in modern JavaScript frameworks, and use of AI development tools. You'll be building the foundation for complex marketing websites while maintaining the visual polish and user experience our clients expect.

Key Responsibilities

Technical Implementation & Development

• Build responsive, high-performance Webflow sites following Client-First naming conventions and industry best practices

• Implement custom code solutions using HTML, CSS, and JavaScript to extend Webflow's native capabilities

• Integrate third-party APIs, tools, and services to create complex functionality beyond standard Webflow features

• Optimise websites for Core Web Vitals compliance and exceptional performance across all devices

• Maintain clean, scalable, component based, and well-documented websites that can be easily handed off to clients or team members

AI-Enhanced Development Workflow

• Leverage AI development tools (Cursor, Claude, etc.) to accelerate coding and problem-solving

• Stay current with emerging AI development tools and integrate them into daily workflows

• Share AI development best practices with the team to continuously improve our technical capabilities

Quality Assurance & Performance

• Conduct thorough cross-browser and cross-device testing to ensure consistent user experiences

• Perform comprehensive QA testing including functionality, performance, and accessibility compliance

• Monitor and optimize website performance metrics, ensuring fast load times and smooth interactions

• Implement and maintain SEO best practices and technical optimization.

• Document technical specifications and provide clear handoff materials for client teams

Team Collaboration & Growth

• Collaborate effectively with designers to ensure accurate translation of design intent into functional websites

• Work closely with project leads to manage timelines, communicate blockers, and deliver on schedule

• Participate in weekly development calls to discuss strategies and maintain high development standards

• Contribute to our technical knowledge base and internal development processes

• Help to build our internal tools

What we're looking for

Technical Proficiency

• Webflow Expertise: Advanced knowledge of Webflow with 2+ years of hands-on experience building complex, custom websites

• Client-First Mastery: Deep understanding and consistent application of Client-First naming conventions and methodology

• JavaScript Fundamentals: Strong foundation in JavaScript, with knowledge of GSAP, Swiper.js and other libraries.

• Framework Knowledge: Familiarity with React, Vue, or similar modern JavaScript frameworks with eagerness to advance these skills

• Performance Optimization: Proven track record of building fast, optimized websites that meet Core Web Vitals standards

• API Integration: Experience integrating REST APIs, webhooks, and third-party services within Webflow projects

Who this role is perfect for

• A mid-senior level Webflow developer looking to work with high-growth B2B companies and challenging technical projects

• Someone who thrives on leveraging AI tools to accelerate development and solve complex problems efficiently

• A developer-minded individual who values clean code, performance optimisation, and technical excellence over quick fixes

• Someone excited about growing their JavaScript and framework skills while mastering advanced Webflow capabilities

• A self-motivated professional who enjoys the variety and fast pace of agency work with premium clients

Why Demandflow?

Demandflow is a team of world-class designers, developers, and strategists dedicated to helping high-growth B2B startups and scale-ups build impactful branding, high-performance websites, and strategic creative. We bridge the gap between design, development, and marketing execution—helping brands turn ideas into reality.

Our clients include fast-growing startups, established scale-ups, and enterprise companies who value technical excellence and performance. You'll work on diverse projects that challenge your skills and accelerate your professional growth while building websites that directly impact business success.

Our Team Values

• Stay Curious, Keep Learning – Every project is a chance to experiment with new AI tools, improve technical skills, and refine our craft

• Collaborate Without Ego – We share knowledge openly, embrace AI-assisted development, and work together to create the best possible outcomes

• Take Ownership – We take initiative, solve problems proactively, and push projects forward with technical excellence

• Obsess Over the Details – Small technical details make all the difference in delivering world-class development and performance

What we offer

• 25 days paid leave

• Work alongside super-talented designers, developers, and strategists

• Collaborate with fast-growing B2B startups, scale-ups, and enterprise companies

• Access to cutting-edge AI development tools and continuous learning opportunities

• Flexible working hours

• Rapid career progression opportunities with clear path toward full-stack development

• Opportunity to shape our technical standards and AI development workflows

If you're ready to take on a challenging role that combines advanced Webflow development with cutting-edge AI tools while working with premium B2B clients, we want to hear from you!

How to apply

If you think you're a fit, please fill out the form below!