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Case studies · 18 projects

Production systems that saved real hours and money

Not 'we helped a client' — specific deployments with before/after numbers, stack and architecture details. Grouped by 4 service tracks. More under NDA — I'll show them on a call.

B · 6 cases

Process automation

Lead funnel, marketing-ops, lead generation, attribution. Buyer — head of sales / marketing, head of growth.

Marketing-ops
Performance agency (FB + Yandex)

Auto-built weekly reports for clients

n8n pipeline across 8 clients: pulling data from all platforms, AI commentary, PDF/Notion → auto-sent Mon 09:00.

of manual report building
4–6 h/wk 0 h/wk
n8nFB APIYandex.DirectClaudeNotion
Read case
Lead-gen · landing
B2B SaaS (AI for lawyers, Seed)

Astro landing + lead scoring: 4.6% demo conversion

Multi-step form + n8n scoring A/B/C/D + Dadata enrichment by INN + SPARK. Score ≥ B → amoCRM + Slack. Score D → auto-reject.

demo conversion (×2.5)
1.8% 4.6%
Astro 5Tailwind 4n8nDadataSPARKamoCRM
Read case
Outbound lead-gen
B2B consulting (digital-transform RU mid-market)

Apollo + Clay + Instantly pipeline: 50 qualified leads/week

3-layer pipeline: 1.2M ICP base from Apollo → Clay enrichment (SPARK + RSS + BuiltWith) → GPT personalization across 4–7 datapoints → Instantly 8 mailbox.

qualified leads per week
15 → 52 +247%
ApolloClayInstantlyGPT-4oClaudeProxyAPI
Read case
Attribution · tracking FULLY NDA
Performance agency (in-house, $400–900k/mo)

Keitaro + CAPI: conversion attribution 62% → 96%

Keitaro tracker as single source of truth. CAPI Gateway via nginx + Lua dedup. Server-side fan-out with proper event_id. Telegram alerts.

conversion attribution
62% 96%
KeitaroFB CAPITikTok Eventsnginx + LuaFBbase
Read case
AI · creative · lip-sync
Performance / Affiliate / Multilingual

Speech-to-Creative: speech recognition + language swap + lip-sync

Whisper transcribes speech → GPT-4o translates into 5+ languages and rewrites per persona → ElevenLabs clones voice with the right accent → wav2lip syncs lip movement. One actress works across 5+ geos without re-shoot.

per variation × 5 languages
4-6 h ~30 min
WhisperGPT-4oElevenLabswav2lipffmpegPython
Read case
Production scraper · 30+ geos
Ad-intelligence / Performance / NDA

GMBSPYLAB — FB Ad Library scraper with GraphQL replay

Playwright + cookie rotation (Dolphin Anty / AdsPower) + 12 residential proxies + 8 cookie accounts. Replays GraphQL POST login sessions, bypasses Meta dev-app verification. 30-75k creatives/day across 30+ geos, posts to TG with topic-per-GEO. Cost $30-60/mo vs $300-800 commercial spy services.

/mo vs commercial spy services
$300-800 $30-60
PythonPlaywrightaiogram 3Postgres 16arqMinIO/R2
Read case
C · 5 cases

AI infrastructure and integrations

ERP integrations, documents, AI security audit, process optimization. Buyer — CTO / CIO / Head of IT.

B2B / Finance
Accounting at a government-contract company

Parser for GIS Treasury statements → 1C

XML protocol V3 + V4 → 1CClientBankExchange format, Windows-1251.

to process one statement
2–3 h 5 sec
Pythonxml.etreeWin-12511C
Read case
Process optimization audit
Online shop (280 orders/day, 14 people)

Process audit: 3 automation points, ROI 4.2× in 12 mo

2-week audit: shadow sessions across 6 roles, time-tracking of top-20 operations. Found: auto-sync of stock across WB/Ozon/1C + AI first line of support + auto-generation of UPD.

freed up for the team (~1.1 FTE)
142 h/mo 0
n8n1C REST+ODataRetailCRMWB+Ozon APIGigaChat
Read case
Security audit · FZ-152 FULLY NDA · Signature
EdTech (B2C, AI tutor on GPT-4o-mini)

AI chatbot security audit: prompt injection + PII leak + FZ-152

2.5-week red-team per OWASP LLM Top 10. Findings: 8 critical + 11 high + 14 medium. FZ-152 exposure → 0. Passed pre-IPO DD with no findings.

FZ-152 compliance risk
15M ₽ 0 ₽
OWASP LLMPromptfooGarakRebuffCloudflare WAF
Read case
Local AI · Ollama · RAG
Trading / fintech / NDA — on M3 24GB

Local LLM Trading Engine: Ollama + RAG on M3 Mac

Multi-model decision engine 100% on-device: qwen2.5:14b primary + llama3.1:8b fallback + LLaVA:7b vision + ChromaDB RAG. Zero API cost, zero strategy leakage. Phase-3A dry-run: 76% NO_TRADE rate, 0 guardrails violations across 100 signals.

inference cost vs cloud LLM
~$100/day $0
Ollamaqwen2.5:14bLLaVA:7bChromaDBPythonM3 24GB
Read case
ERP integration · 1C
Construction company (14 sites)

1C UNF + Telegram bot for site foremen

aiogram 3 + Node.js middleware via 1C HTTP services. Access to 1C UNF from a site without a laptop: order statuses, budget left, material confirmation via photo.

foremen calls to the office
6-8 / day 0.4 / day
1C UNFaiogram 3Node.jsWireGuardSelectel
Read case
D · 4 cases

Turnkey development

Mobile apps (Swift / SwiftUI), PWAs with iOS Add to Home Screen, playable HTML5 for performance campaigns, full-stack web apps (Next.js + FastAPI). Trust signal: 20+ iOS apps in the App Store + 9 years of enterprise React/Node + production SaaS platforms with multi-user RBAC.

Full-stack · 3 interfaces · 80+ features
Marketing-ops platform (in-house tool)

Marketing-Ops Platform: desktop → Telegram → web app

Ad campaign management platform. Evolved from a Tkinter desktop app (80+ features, batch ops, smart suggestions) into a Telegram bot and a production web-app on Next.js + FastAPI + PostgreSQL + Celery with multi-user RBAC and encrypted token vault (Fernet AES+HMAC).

to launch one campaign · batch 2–10 at a time
2 h ~15 min
Next.js 14FastAPIPostgreSQLCeleryTkinteraiogram 3Docker
Read case
iOS native · MVP 0→1
Online English school (4,800 active)

Swift/SwiftUI MVP in 9 weeks — from kickoff to App Store

Native iOS 17+: schedule + push (24h/1h/10min), Speech Framework for on-device pronunciation, StoreKit 2 + YooKassa, Firebase backend. App Store + RuStore.

vs competing studios for the same scope
1.4M ₽ 4–5M ₽
SwiftSwiftUISpeech FrameworkStoreKit 2Firebase
Read case
PWA · iOS Add to Home Screen
Fitness studio chain (4 locations)

PWA for a fitness studio: 1.2 MB vs 47 MB native

PWA with iOS Add to Home Screen, offline via Service Worker, WebPush iOS 16.4+, YClients embed + YooKassa with no 30% Apple commission. ~890k ₽/year saved.

install size (39× smaller)
47 MB 1.2 MB
AstroWorkbox 7IndexedDBWebPushYClients
Read case
Playable ad · HTML5
Casual mobile game (under NDA)

Playable ad for a casual game: CPI −38%, install rate +73%

Interactive HTML5 mini-level built with Cocos2d-js. 18 variations across 5 ad networks (FB / TikTok / IronSource / AppLovin / Unity Ads).

CPI (cost per install)
$1.85 $1.14
HTML5Cocos2d-jsPlayable SDKWebpackTypeScript
Read case
A · 3 cases
methodological proof-of-concept

Customer touchpoints

Voice agents, 24/7 booking, reputation management. One buyer — SMB owner losing leads after 7 PM.

Honest disclosure

These are methodological proofs-of-concept for the salon / dental / auto-service niches — exactly those 3 verticals I haven't yet delivered as external client projects. The technical stack is thought out and tested in my adjacent deployments (Vapi / GigaChat / WAPI / YClients and 1C integrations). For the first clients in these niches — preferential terms: −30% off the price, extended 90-day warranty, case-study rights with anonymization. The numbers in the cards are targets based on typical RU SMB 2026 benchmarks.

Behind the scenes

Under NDA — more cases on a call

Not every project can be published. On a free 15-minute call I'll walk you through the architecture of 2–3 closed deployments for your industry — without client names, but with numbers and technical details.

Book a call
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