Delivered engagementSaaS & Infrastructure · $35k – $40k+
HAIZEL
Blkbook · professional networking PWA
Delivered engagement. Coralsoft designed and built this product end to end; figures below retain their evidence level.
The situation
What was in place before we started.
A mobile-first progressive web app that replaces the paper business card with a fully customisable digital identity — built from zero to production by Coralsoft.
The client came to Coralsoft with a clear ambition: build a digital product that makes the paper business card and the static LinkedIn profile obsolete. Professionals — founders, photographers, designers, realtors, creative talent — needed a living portfolio they could hand to anyone, in person or remotely, that actually reflected their brand identity rather than a generic form.
The core challenge was not just building a profile page. It was architecting a flexible content system that could serve radically different professional personas, a contact exchange mechanism that worked with and without accounts, and a mobile experience so polished it felt native — all delivered as a progressive web app, with no App Store dependency.
Constraint
The product also needed to launch as an invite-only, curated network — which meant building an access request pipeline, invitation code system, and admin dashboard as first-class features, not afterthoughts.
- Timeline
- 8 months reconstructed
- Team
- 6 people reconstructed
- Budget
- $35k – $40k+ reconstructed
- Platforms
- 3
Stackrecorded
Challenges
Each constraint, and what we did about it.
Results
Outcome, with the source of every figure.
15
Typed profile component types — Hero, Portfolio, Timeline, Press, Quote…
self-reported — Coralsoft's own figure for its own delivery, stated in cases.ts. No third-party attestation in the sources.
6+
Role-based default stacks so users never start from blank
self-reported — Coralsoft's own figure for its own delivery, stated in cases.ts. No third-party attestation in the sources.
0→1
Full-stack greenfield build, zero codebase to production launch
self-reported — Coralsoft's own figure for its own delivery, stated in cases.ts. No third-party attestation in the sources.
Showcase
8 of 9 screensThe screens that carry it.
Roadmap
How it was sequenced.
8 monthsreconstructed delivery
Months 1–2
Discovery & architecture
15 typed content blocks — Hero, Portfolio, Timeline, Press, Quote, Ventures and more — each independently editable, reorderable and toggleable.
- Customisable digital profile
Months 3–4
Core build
Three exchange patterns — authenticated mutual, guest one-way (no account required), admin-created — each running through atomic PostgreSQL RPC functions that share fields and upsert vault entries for
- Smart contact exchange
Months 5–6
Integrations & data
Gemini 2.5 Flash Vision OCR turns a camera photo or upload into structured contact fields — name, role, email, phone, LinkedIn — in seconds, directly prefilling the vault contact form.
- Business card scanner
Month 7
Hardening & QA
An end-to-end .pkpass generation pipeline with Apple certificate signing, served from an authenticated API route.
- Apple Wallet pass
Month 8
Launch & handover
A CRM-lite for managing professional contacts.
- Contact vault
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Every case study is a Coralsoft delivery story, with the evidence behind each figure kept visible.