Case Studies

Every Project We've Shipped, in One Place

Real automation and custom engineering delivery — filter by track to see the depth behind either side of the business.

Chain Escrow — Engineered, Self-Audited, Deployed

An on-chain ERC-20 escrow: a buyer's funds sit in the contract until confirmed delivery, a voluntary seller refund, or an arbiter-resolved dispute with an arbitrary split — built to prove smart contract engineering specifically, not just another Web3 app wrapped around a contract.

SolidityHardhatOpenZeppelinEthers.jsSepolia

34 tests, 3 real self-audit passes, live on-chain

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Blockchain / Security / AI

Contract Auditor — Real Static Analysis, Not AI Guessing

A smart contract security tool that runs Slither — the same static analyzer used across the industry — against real Solidity code, then has Gemini triage every finding and surface what pattern-matching alone can't catch. Every result is labeled by its real source.

PythonFastAPISlithersolcGeminiVercel

Tested live against a real deployed contract

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Data Science / Machine Learning

Lead Score API — a Trained Model, Not a Prompt

Scores inbound leads by conversion likelihood in milliseconds, trained on ~9,200 real leads with measured accuracy — the first project here written in Python instead of TypeScript.

PythonFastAPIscikit-learnpandasVercel

82.2% accuracy, 0.888 ROC-AUC

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Product / SaaS Engineering

Framekit — Metered Image API with Real Billing

A real subscription product: sign up, get an API key, call an endpoint, get back a rendered PNG card. Free and Pro tiers, real Stripe Checkout, real webhooks, real usage metering — not a static pricing page bolted onto a demo.

Next.jsTypeScriptPostgres (Neon + Drizzle)Upstash RedisStripe

A real paying-customer lifecycle

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Growth / Product Engineering

CodeWrapped — Shareable GitHub Year-in-Review

Enter any GitHub username and get an animated, shareable wrap of their coding year — and because the share link's own preview image is generated per-user, the growth loop is built into the URL itself.

Next.jsTypeScriptGitHub GraphQL APIUpstash RedisFramer Motion

The link is the share

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Backend / Distributed Systems

PulseQueue — Live Distributed Job Queue Platform

A real durable job queue you can watch work — submit a job and see it flow queued, processing, retried with exponential backoff, or permanently dead-lettered, live.

Next.jsTypeScriptUpstash QStashUpstash RedisVercel

Real retries, real DLQ

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Blockchain / Credential Verification

Immutable Blockchain Certificate Verification System

An on-chain credential verification platform that issues certificates as signed on-chain records, so anyone can check a certificate is genuine without emailing or calling the issuer.

SolidityPolygonWeb3.jsNext.jsNode.jsMongoDB

Every certificate checkable on-chain

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AI / Automation

WhatsApp AI Support Bot — Real Answers, Real Human Handoff

A WhatsApp customer-support bot that answers real questions from a real FAQ knowledge base, transcribes voice notes, and deterministically escalates anything it can't confidently handle to a real person by email — live and testable right now.

FlaskGoogle Gemini (genai)Twilio WhatsAppUpstash RedisVercel

Live on Vercel — verified end-to-end with a real Gemini API key

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AI / Automation

Lead Qualification & Follow-Up — Rules-Based Scoring, Not a Guess

An n8n workflow that enriches an inbound lead from its company site, scores it against a 10-rule config block, logs a clean CRM record with a plain-English explanation, and routes to a real booking link, an AI-drafted follow-up, or a human — the last of which happens for anything ambiguous or flagged as spam, never a silent discard.

n8nFirecrawlGemini AIAirtableResendCal.com

3 routing branches tested live, real CRM record on every run

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AI / Automation

Customer Support Agent — Grounded Answers, Verified Actions, Real Handoffs

An n8n workflow that classifies a support ticket, answers strictly from an FAQ or a real order record (never invented), verifies identity before changing anything, and forces refunds, cancellations, and anything suspicious to a human — with a full handoff summary, not a bare forward.

n8nGemini AIAirtableResend

Identity-gated before any order lookup or change, every ticket logged with a real reopen flag

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AI / Automation

Voice AI Receptionist — Answers, Books, and Knows When to Get a Person

A voice assistant (Vapi) backed by an n8n workflow that picks up a salon's calls, says up front that it's an AI, answers only from approved salon facts, books into the real Cal.com calendar, and hands complaints, reactions, and anything it isn't sure about to a person, then logs every call with its outcome and cost.

Vapin8nCal.comAirtableGemini AIResend

Tested with real voice calls: a real booking, grounded answers, and a handoff in under 2 seconds

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AI / Automation

Invoice Processing — AI Reads, Rules Check, a Person Approves

An n8n workflow that watches an invoices inbox, has AI read each PDF or photo, then checks it with plain rules (vendor, purchase order, maths, duplicates) and saves a draft bill for a person to approve. Nothing is paid automatically.

n8nGemini AIAirtableResend

Tested with real emailed invoices: wrong totals, closed POs, duplicates and a phone photo

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