Work with us
We're building a new marketplace MVP and we're looking for talented developers to join us for this crucial first phase.
Full-stack Developer
Contract Type: Fixed-term contract (10-12 weeks)
Start Date: Immediate
Location: Remote (UK/EU timezone)
Commitment: Full-time (5 days/week)
About the Project
Building a new marketplace MVP with AI-powered matching, automated payments, and smart contracts (Docusign/Adobe PDF). You'll be creating the architecture and frontend that will handle processing secure payments through Stripe Connect, electronic contract signing and integrating with AI services.
The project is split into three phases, with the first phase to be delivered in 10-12 weeks. The following is a shopping list, with the tech stack being set by the client.
Tech stack
- React, Typescript, Node.JS, MongoDB (or similar), OpenAI, Google Cloud Platform
What You'll Be Doing
- Implement MongoDB database schemas and queries
- Integrate Stripe Connect for marketplace payments
- Build messaging and notification systems
- Create booking and transaction management logic
- Optimise for performance and scalability
- Write comprehensive tests and documentation, including Architectural Design Records (ADRs)
- Lead frontend development using Next.js 14 (App Router) and TypeScript
- Build responsive, performant marketplace interfaces
- Implement real-time search with AI-powered results
- Develop admin dashboards and analytics interfaces
- Ensure excellent UX across desktop and mobile
Essential Requirements
- 5+ years React, Node.js experience, 2+ years with Next.js
- Strong TypeScript skills
- Strong MongoDB experience (aggregation pipelines a plus)
- Payment gateway integration experience (Stripe preferred)
- OpenAI API or similar AI service integration
- Authentication/authorisation implementation
- Caching experience
- Automated testing experience
- Experience building marketplace or e-commerce platforms
- Git workflow and code review experience
- Google Cloud Platform experience
- Responsible for planning the sprints (using Linear), working with our Fractional CTO
- Excellent communication skills
- Available to start within 1 week
Nice to Have
- Stripe Connect specific experience
- Marketplace or e-commerce platform experience
- React Query or SWR experience
- Marketplace/two-sided platform experience
- Experience with Vercel deployment
- Expertise in modern CSS (Tailwind preferred)
- Understanding of SEO and performance optimisation
- UI/UX sensibility
- Previous contractor/freelance experience
What We Offer
- Competitive daily rate
- Work on exciting greenfield project
- Direct collaboration with Fractional CTO and you will also be expected to join some of the client calls in the early stages to translate requirements
- Potential for ongoing work post-launch on retainer, along with future phases that also include iOS and Android apps
- Remote working with flexible hours
- Opportunity to shape a platform from day one
To Apply
Please send:
- Brief intro explaining your marketplace/e-commerce experience
- Daily rate expectations
- Availability to start
- Links to 2-3 relevant projects (especially marketplaces)
- GitHub profile
Application Email: neil@hanabi.agency
Subject Line: Marketplace Developer
Direct hires and contract only, we are not looking for agency-to-agency on this one.
Thank you.