Web Designer & Developer (YC-backed)

InstaAgent Company Limited; Hong Kong; On-site; HKD 250,000 - 480,000; Full time

Job summary

InstaAgent Company Limited seeks a Web Designer / Developer to own the end-to-end lifecycle of client websites—from interpreting briefs to defining design directions, building, and shipping. You’ll combine front-end development with UX-driven design, focusing on conversion and marketing outcomes rather than mere aesthetics.

You’ll work on campaign landing pages, new company sites, and revamps, taking independent design decisions, managing frontend implementation, and setting up analytics and

Qualifications

• Strong frontend development and production-ready websites.
• Strong web design fundamentals: layout, typography, responsive design.
• Conversion-focused mindset for landing pages and campaigns.
• Ability to work from ambiguous briefs and ship independently.
• Experience with AI-assisted coding and design tools.

Responsibilities

• Design and build websites end-to-end — translate client requirements into structure, visual direction, interactions, and a production-ready site.
• Create high-converting landing pages by aligning ad journeys with conversion goals.
• Build and revamp company websites translating brand and business requirements into polished experiences.
• Make design decisions independently and communicate rationale to clients.
• Own frontend implementation — responsive layouts, interactions, animations, performance across devices.
• Set up marketing infrastructure — pixels, analytics, tracking, forms, and integrations needed to measure performance.
• Document and communicate clearly to align clients on requirements, site structure, and implementation.

Skills

Strong frontend development skills

Strong web design fundamentals

Conversion and marketing understanding

Back-end knowledge to ship independent

Fluent with AI-native workflows

High ownership

Ability to work across campaigns and 1

Tools

APIs

CMSs

Analytics

Pixels

Tracking

Forms

Job description

We're looking for a Web Designer / Developer who can design and build websites end-to-end — from interpreting an ambiguous client brief to defining the design direction, building it, and shipping it.

This is not a Figma-to-code role. There won't be a separate designer handing you finished designs. You'll own both how the website looks and how it works, with a strong focus on conversion and real marketing outcomes.

You'll work across campaign landing pages, new company websites, and website revamps for our clients.

What you'll own

Design and build websites end-to-end — turn client requirements into structure, visual direction, interactions, and a production-ready website

Create high-converting landing pages — understand the ad → landing page journey and design around conversion, not just aesthetics

Build and revamp company websites — translate brand and business requirements into polished, responsive experiences

Make design decisions independently — work through ambiguous briefs, propose solutions, and explain your rationale to clients

Own frontend implementation — responsive layouts, interactions, animations, performance, and cross-device quality

Set up marketing infrastructure — pixels, analytics, conversion tracking, forms, and integrations needed to measure performance

Document and communicate clearly — align clients on requirements, site structure, design direction, and implementation

What we're looking for

Strong frontend development skills with experience shipping production websites

Strong web design fundamentals — layout, typography, hierarchy, responsive design, interaction, and visual systems. You've designed websites, not just implemented them

Conversion and marketing understanding — you understand how design, messaging, UX, and performance influence conversion

Enough backend knowledge to ship independently — comfortable with analytics, pixels, tracking, APIs, forms, CMSs, domains, and common web integrations

Strong problem-solving and client thinking — you can turn unclear requirements into a solution that actually works

Fluent with AI-native workflows — you actively use AI coding tools, design tools, and agents to accelerate research, design, implementation, and iteration

High ownership — you don't wait for perfect requirements or finished Figma files. You figure things out, communicate clearly, and ship

We care much more about the websites you've actually designed and built than your job title or years of experience.

Why InstaAgent

Own the full process — from client brief to design, implementation, launch, and optimization

Work across different brands and industries

Build for real business outcomes — your work connects directly to campaigns, leads, and conversions

AI-native environment — use modern tools and agents to dramatically increase the speed and quality of your work

Small team, high trust, direct ownership