Denhau Solutions

Software development & consulting · Romania / EU

Custom web applications, business platforms & AI‑assisted software.

Denhau Solutions helps companies design, build and improve modern digital products — from clean user interfaces and scalable frontend architecture to backend APIs, databases, automation and long-term product support.

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9+ years of engineering experience · Direct work with a senior consultant · Enterprise to startup scale

Project experience and collaborations include

European Commission INCADEA NOVENTI PROFIMED SOLUTIO-CHARLY LAMPIX

Services

What we build

Practical, scalable and maintainable digital products — built end to end or alongside your existing team.

01

Custom Web Application Development

Complete web applications tailored to your business logic, from first screen to production.

02

Business Dashboards & Internal Tools

Dashboards and internal platforms that turn messy processes into clear, usable workflows.

03

SaaS / Platform Development

Multi-user platforms and SaaS products designed to grow without rewrites.

04

Angular Frontend Architecture

Component-based architecture, state management and design systems for large Angular applications.

05

Node.js / NestJS Backend APIs

Well-structured REST APIs and backend services that your frontend — and your integrations — can rely on.

06

PostgreSQL Database Integration

Database design and integration that keeps your data consistent, queryable and fast.

07

AI-Assisted Automation & Smart Features

OCR and data extraction, smart workflows and AI-assisted features that remove manual work.

08

Refactoring, Maintenance & Long-Term Support

Modernizing legacy code and keeping products healthy over years, not sprints.

Full-cycle delivery

One partner across the whole product lifecycle

Start anywhere in the cycle — a raw idea, a half-built app, or a legacy platform that needs care. We take it the rest of the way.

01 Discovery
02 UX structure
03 Design
04 Frontend
05 Backend
06 Database
07 Integrations
08 Deployment
09 Maintenance
Frontend
Angular TypeScript RxJS NGXS NGRX Next.js Tailwind Ionic Capacitor
Backend
Node.js NestJS REST APIs OpenAPI WebSocket
Database
PostgreSQL SQL
Tools & delivery
Git Docker Jira Confluence Azure DevOps Storybook Agile / Scrum
AI & automation
AI-assisted development OCR / data extraction Smart workflows Automation Rapid prototyping

Experience

Selected project work

A cross-section of the kinds of problems Denhau Solutions has helped solve — from enterprise platforms to focused business tools.

Public sector · Enterprise

Enterprise Case Management Platform

Rationalizing a complex case management landscape for a European institution — consolidating fragmented workflows into a coherent, maintainable enterprise UI.

Healthcare · Mobile & web

Healthcare & Medication Management Apps

Patient-facing medication management and communication tools where reliability and clarity directly affect people's health routines.

Automotive · B2B

Automotive Sales & Aftersales Platform

Digital sales and aftersales journeys for automotive businesses — turning dealership processes into smooth customer-facing flows.

Pharmacy · Fintech

Pharmacy Workflow & Financial Tools

Workflow, communication and financial tooling for pharmacies — dense business logic made usable for daily operations.

Healthcare · Scheduling

Dental Appointment Planning Software

Appointment planning and practice software for dental clinics — scheduling logic that has to work every single day.

AR · Computer vision

Augmented Reality Web Platform

Web applications for an AR platform working with computer vision and machine learning — frontend engineering at the edge of the browser.

SMB · Web

Small Business Websites & Landing Pages

Landing pages, blogs, responsive websites and custom web components for smaller clients — fast, clean and easy to maintain.

Why Denhau Solutions

No agency layers. Just experienced engineering.

You work directly with the consultant who designs and builds your product. Decisions are made quickly, communication stays technical when it needs to be, and nothing gets lost in translation between sales, management and delivery.

  • + Direct communication with an experienced technical consultant
  • + Practical delivery — working software, not theory
  • + Strong frontend and UI architecture expertise
  • + Real understanding of business logic and product flows
  • + Clean, maintainable and scalable implementation
  • + Flexible collaboration: freelance, contract, project-based or long-term
  • + Fast prototyping with modern tools and AI-assisted workflows

About

Denis Gandzii

Founder & Lead Consultant · Senior Frontend Engineer

Denis Gandzii is a Senior Frontend Engineer and software consultant with over 9 years of experience in web application development, enterprise platforms, UI architecture and product delivery. Through Denhau Solutions SRL, he helps companies build, modernize and maintain digital products with a practical, clean and scalable approach.

Have an idea, platform, internal tool or application that needs to be built or improved?

Tell us where you are — a rough concept, a messy process or a live product — and we'll map the shortest practical path to something clean and shippable.

Let's discuss your project

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