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Technical Co-Founder (Full-Stack – Flutter, NestJS, (TypeScript), Guildford
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Client:
CHAAMO
Location:
Guildford, United Kingdom
Job Category:
Other
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EU work permit required:
Yes
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Job Views:
5
Posted:
16.06.2025
Expiry Date:
31.07.2025
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Job Description:
CHAAMO is seeking a Technical Co-Founder (Full-Stack) to help finalize our marketplace app and prepare it for launch. The platform is already built using Flutter and NestJS (TypeScript), and is nearly ready for testing. We're looking for a hands-on technical partner to lead final development, optimize the stack, and help take CHAAMO to market.
This is an equity-only position for someone entrepreneurial excited to co-own and co-launch a product with strong traction in an underserved niche.
About CHAAMO
CHAAMO is a mobile-first marketplace designed for trading card collectors and sellers, from Pokémon and Magic: The Gathering to Yu-Gi-Oh! and sports cards. The current selling experience is fragmented across platforms, social media, and forums. CHAAMO consolidates everything into one intuitive mobile platform.
Features include listings, eBay API support, direct messaging, shipping, and payment options, making buying and selling cards faster, easier, and community-driven.
What You’ll Do
As a full-stack Technical Co-Founder, you'll own mobile and backend development:
* Finalize and Launch the App: Complete development of the Flutter app (iOS and Android), polish features, fix bugs, and prepare for testing.
* Own Backend Systems: Manage and extend our NestJS/NodeJS backend ensuring smooth data handling and business logic.
* Handle DevOps and Infrastructure: Use AWS (EC2, Lambda, RDS, SNS) to maintain and scale the system.
* Integrate APIs: Finalize integrations with eBay APIs, and implement Shippo for shipping and PayPal for transactions.
* Collaborate on Product Strategy: Work with the founding team to prioritize features and shape the post-launch roadmap.
* Prepare for Growth: Build systems to handle increased user traffic and data as the marketplace scales.
Who You Are
We seek someone with strong technical skills and a builder’s mindset. You might be a solo developer, tech lead, or ex-startup engineer looking to step into a co-founder role.
You should:
* Have built and launched Flutter apps for iOS and Android
* Know how to work with APIs, especially marketplace and logistics/payment APIs (e.g., eBay, Shippo, PayPal)
* Understand marketplace app architecture, listings, messaging, user accounts, search, etc.
* Be self-directed, organized, and ready to lead all aspects of technical development
* Be excited to join an early-stage venture and build something meaningful with real users in mind
What You’ll Get
* Co-Founder Equity: Share in the long-term success at a foundational level.
* Real Product, Not Just an Idea: The app is built and ready for testing, skipping MVP phase.
* Tech Leadership: Define our tech stack, systems, and long-term direction.
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