HanDev

Services.

We work as an external IT partner under the Team as a Service model, plugging a dedicated engineering team into your business tasks

Our services

Frontend
Web development
Fast web interfaces and cloud services: SPAs, landings, customer portals and dashboards
Backend
Backend development
We design complex logic and reliable APIs. Fault-tolerant platforms built for load
Design
UX/UI design
Intuitive interfaces that work without a manual. Design systems and prototypes
AI / ML
AI development
LLM, RAG and ML models per task: document classification, assistants, predictive analytics
QA
Testing
Frontend and backend autotests, load and regression scenarios. Stable releases
Mobile
Mobile development
iOS and Android apps: native and cross-platform solutions

How we work

1

Business deep-dive

2 weeks · fixed price

We study your processes, infrastructure and goals. We define objectives, priorities and a project roadmap. No obligation to continue

2

Team assembly

1 month

We assemble a dedicated engineering team for the project

developersPMQADevOpsUI/UXAI engineers
The team operates as part of your internal IT department. We set up communication (Slack/Telegram + weekly syncs).
3

Build & delivery

We run agile processes end-to-end

sprintsdemostransparent communicationscope & quality control
4

Launch & evolution

We ship the system, set up infrastructure and keep growing the product

new modulesAI automationscalingsupport
5

Long-term partnership

years

Weekly progress, quarterly planning, transparent reporting on hours and tasks

What the client gets
  • Full-cycle development
  • Dedicated engineering team
  • Flexible scaling
  • Transparent delivery
  • Long-term tech partnership
  • An external IT department without building one in-house

Our stack

01 · Backend

Services & APIs

C# / .NET is our primary backend. Reliable APIs, microservices and monoliths built for load

C# / .NET 8Node.js · FastifyPostgreSQLMassTransit · RabbitMQSignalRREST · gRPC
02 · Frontend

Web interfaces

Vue.js is our primary frontend. SPAs, dashboards, B2B platforms and admin panels

Vue 3 · QuasarTypeScriptTailwindVitePinia · Vuex
03 · Mobile

Mobile apps

Cross-platform and native apps: Telegram Web Apps, iOS and Android

React NativeFlutterTelegram Web AppSwift · iOSKotlin · AndroidExpo
04 · Data & AI

Data & AI

LLM integrations, RAG pipelines, Telegram bots and data stores from real projects

PostgreSQLOpenAI API · ClaudeLLM · RAGTelegram Bot APIpgvectorBullMQ
05 · Infra & DevOps

Infrastructure

Docker deployments, GitLab CI and observability — infrastructure from the HanDev platform

Docker · Docker ComposeGitLab CIPortainerTraefik · SSLKubernetesSentry · Grafana
06 · Design & QA

Design & quality

Design systems, Playwright automation and manual testing — in-house QA engineers

FigmaPlaywright · TypeScriptAllurek6Manual QACI/CD quality gates

Let's
talk.

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

✉ info@handev.org