HanDev

Cases.

A selection of recent cases and major projects from our studio

Projects

CRM · ERP · 2024–2026
DieAlltagsfeen

Complete CRM/ERP platform for a German insurance & social-care company. Replaced ~230 Make.com scenarios, 26 JotForm forms and several Monday.com boards.

Vue.js 3C# / .NET 8PostgreSQLSignalRRabbitMQ
PetTech · SaaS · 2023–2024
Link Pet

Digital PetTech platform: genetic testing, classified ads board, pedigree system and animal transfer between owners.

Vue.jsTypeScriptC# / .NETPostgreSQL
SaaS · LMS · 2023–2024
Pellu.io

Team-learning SaaS (People Development Platform): micro-courses, competency map (devmap), team tasks and course archive.

Vue.jsTypeScriptNode.jsC# / .NETPostgreSQL
Internal Platform · 2025–2026
HanDev Internal Platform

In-house engineering platform: 4 linked services with single SSO, shared design system and shared PostgreSQL — covering auth, monitoring, test automation and UI components.

Node 22Fastify 5React 18TailwindPostgreSQL 18
Auth · SSO · 2025
HanDev Identity

Central SSO service (auth.handev.org): issues JWTs, publishes JWKS, manages users, services and access rights.

Node 22FastifyDrizzlePostgreSQLReact 18
Monitoring · 2025–2026
HanDev UpTime

Uptime and SSL monitoring with public status pages. 87 monitors, 6 domains, average response time 286 ms.

ReactSupabase Edge FunctionsPostgRESTPostgreSQL 18
QA · Automation · 2024–2026
HanDev QA Orchestrator

Centralised Playwright test platform: projects, runs, quality gates, AI defect classification, schedules and API tokens for CI.

Node 22Fastify 5BullMQPlaywrightReact 18
npm · Design System · 2025–2026
HanDev PlatformShared

Monorepo npm packages for the whole platform: design system, auth client and UI components. Auto-published to GitLab Package Registry.

pnpm workspacetsupReact 18TailwindRadix UI
ERP · Finance · 2024–2026
Evekon

Financial-construction ERP for a contractor with sites from Moscow to Yakutsk. Replaced Excel and messengers with a transparent multi-step payment approval workflow.

Vue.jsTypeScriptC# / .NETPostgreSQLTelegram Bot API
E-commerce · Chrome Ext · 2023–2026
Goods-China

China-sourcing platform with a Chrome extension that transfers goods from 1688.com to an order in one click. Live logistics chain Guangzhou → Moscow → regions.

SPA TypeScriptC# / .NETChrome Extensions APIJavaScript
E-commerce · 2023
by Simpeta

Online store for hand-made dream catchers with a dark cosmic theme, fine product filters, cart and a custom-order form.

HTML/CSS/JavaScriptC#
AI · Telegram Bot · 2023–2024
GPT Assistant Bot

Telegram assistant bot on C# / .NET with OpenAI GPT integration. Custom personas, context management, deployed via docker-compose on the client's server.

C# / .NETTelegram.Bot.ApiOpenAI APIDocker Compose
Aggregator · Parser · 2021–2024
ModelKitHub

Niche scale-model aggregator: 24 shop parsers, 8 .NET microservices, Quasar SSR frontend. One search — all shops across Russia and Eastern Europe.

Vue 3Quasar 2 SSRC# / .NETDocker

Let's
talk.

We reply within one business day with an initial assessment and the nearest team slot.

✉ info@handev.org