Web developer & IT solutions in Eskilstuna

I build business systems, integrations, and websites for companies in Eskilstuna and Sodermanland. Also helping private individuals.

See what I can do

IT services for businesses in Eskilstuna

From the factory floor to the office - I build the systems that keep your processes running.

Business Systems & CRM

Custom-built systems for sales, orders, production, invoicing, and inventory. Proven at scale with interconnected applications and multiple databases.

System Integration

Connect Fortnox, Monitor ERP, Microsoft 365, Dynamics 365. Two-way sync between accounting, inventory, and business systems.

Internal Tools & APIs

Backends in PHP, Python, and Node.js. Bridge old and new systems, build dashboards, automate reports.

AI & Automation

AI assistants for customer service, databases, and business intelligence. Automated data collection and analysis.

Web & Mobile

Websites, web apps, Android apps, 3D configurators. From a simple website to advanced tools.

Energy & Monitoring

IoT systems for energy meters, real-time dashboards, MQTT bridges. Monitoring of voltage, current, and consumption.

Computer help & websites for private individuals

Need help with something digital? I fix it.

Websites

New website, update an existing one, or help with domains and hosting.

Computer help

Computer acting up? Network issues? Installation, backup, cleanup, or file recovery.

Smart home

Help with smart home solutions, IoT devices, or home automation.

Data & documents

Excel help, data conversion, PDF handling, or other file wrangling.

Technical skills

Backend

  • PHP 8.x (custom MVC, PDO)
  • Python 3 (Flask, FastAPI, asyncio)
  • Node.js (Express, MQTT.js)
  • Kotlin / Java (Android)
  • C# (Unity), C++

Frontend

  • React 18 (Vite, Tailwind, Radix UI)
  • Bootstrap 5, jQuery
  • Three.js, HTML5 Canvas
  • Leaflet & Google Maps
  • CSS/SCSS

Data & Databases

  • MySQL / MariaDB (multi-database)
  • PostgreSQL (Supabase)
  • Pandas, NumPy, Plotly
  • OpenPyXL, pdfplumber, OCR
  • OData v4 query translation

Integrations

  • Fortnox (OAuth2 accounting)
  • Monitor ERP
  • Microsoft Graph / Dynamics 365
  • Freshdesk, Twilio, LeadDesk
  • Government APIs (SCB, Lantmäteriet)

AI & Automation

  • Anthropic Claude API (multi-agent)
  • OpenAI API, Ollama (local LLM)
  • Playwright (stealth, batch, recovery)
  • BeautifulSoup, Requests, lxml
  • OpenCV, MediaPipe (computer vision)

DevOps & Infrastructure

  • Apache, systemd, SSL/Let's Encrypt
  • MQTT / IoT (Raspberry Pi)
  • WebSocket servers
  • Backup automation
  • OAuth2, MSAL, bcrypt, RSA

Projects I have built

Complete business platform - Construction & glazing industry

A complete business platform for a Swedish construction company. Multiple interconnected applications supporting the entire operation.

CRM / Business System

Sales, orders, production, quotes, invoicing, housing co-op management, building permits, team scheduling.

PHP MVC jQuery Bootstrap MySQL
Central REST API

Full CRUD operations for all connected applications.

Python Flask MySQL
Real-time chat

WebSocket messaging integrated with CRM. Rooms, auth, message history.

Python websockets asyncmy
Accounting sync

Two-way Fortnox sync for multiple companies + Monitor ERP integration.

Python Fortnox OAuth2 Monitor API
Microsoft 365 integration

Two-way calendar sync, email leads, Freshdesk tickets.

Python MSAL Graph API
IoT energy monitoring

Raspberry Pi MQTT bridge for energy meters. Real-time dashboard with voltage, current, power factor.

Node.js MQTT React

Personal web projects

A collection of personal web projects.

gatuadresser.se

Swedish address database with over two million verified street addresses, linked to property coordinates. Search addresses, postal codes, and find schools, clinics, and other places nearby. REST API for businesses and systems.

PHP MVC MySQL REST API Bootstrap 5

Industries I have worked with

Construction & Glazing
Real Estate
Energy & Utilities
Sales & Lead Gen
Accounting & Finance
AI & BI
Media
Public Sector
Education
SEO & Marketing
E-commerce & SaaS
Microsoft 365
Facility Management
Computer Vision
Manufacturing

References

References available on request. Get in touch below.

Contact

Got a project or an idea? Get in touch and let's talk.

Eskilstuna, Sodermanland

Torvanger AB - Org# 559525-3096