Available for consulting

Building Scalable Systems
That Stand the Test of Time

Hi, I'm Mattias Jonsson—a software architect and full-stack developer with 20+ years of experience helping organizations transform complex challenges into elegant, production-ready solutions. From concept to product, I build systems that last.

Let's Talk Email Me
20+ Years
30+ Projects
Enterprise Scale

Trusted By

Domains & Industries

Deep Expertise Across Sectors

From healthcare to fintech, automotive to defense—bringing specialized knowledge to every project

Healthcare & Life Sciences

Large-scale clinical study platforms, digital medical devices, and healthcare technology solutions for global pharmaceutical companies

AstraZeneca Evinova Discovery Clinical Studies

Automotive & IoT

Connected Vehicle Cloud platforms, telematics, LoRa IoT solutions, and real-time systems for next-generation vehicles

Ericsson Volvo Mobitec

Financial Services

Corporate credit management tools, financial statement systems, and secure banking platforms across Nordic markets

Nordea FinTech

Enterprise SaaS & E-commerce

Queue management systems, B2B e-commerce platforms, and enterprise software solutions at scale

Qmatic Papyrus

Security & Access Control

Fine-grained access management platforms, security architecture, OpenSAML integration, and authentication systems

Akkess.io Co-founder

Telecom & Mobile Services

Push-to-Talk systems, mobile frameworks, and telecommunications solutions for global telecom providers

Ericsson GibbleWorld

Defense & Public Safety

Radio maintenance systems, logistics solutions, and specialized platforms for defense and public safety sectors

Ericsson Saab Training Defense

AI & EdTech

AI-powered learning platforms, intelligent tutoring systems, and educational technology innovations

Pluggoo.ai Founder
About Me

Pragmatic Architecture,
Lasting Solutions

"Keep it simple."

Business-oriented with a strong focus on customers and end users. Creative, goal-oriented, and driven to find solutions that are future-proof.

With expertise spanning Java, React, TypeScript, Spring Boot, and modern cloud platforms, I've built systems across industries—from mobile phones to cloud services on Amazon and Google Cloud. My background includes technical specialist roles at Ericsson and seven years at AstraZeneca/Evinova as architect, developer, tech lead, and solution architect.

Solution Architecture
Full-Stack Development
Technical Leadership
Cloud & DevOps
Technical Expertise

Modern Tech Stack

Languages & Frameworks

Java TypeScript JavaScript React Node.js Spring Boot Angular

Architecture & Cloud

Microservices AWS Google Cloud Docker Kubernetes CI/CD

Data & Security

MongoDB PostgreSQL Oracle Security OAuth2 REST API
Own Ventures

Building Products from the Ground Up

Beyond consulting—creating innovative SaaS platforms that solve real-world problems

Co-founder

Fine-Grained Access Control Platform

A comprehensive toolbox for access management that simplifies complex authorization scenarios. Akkess enables developers to build systems with hierarchical access control, multi-tenancy, user anonymization, and sophisticated permission models—without reinventing the wheel.

Hierarchical Access Control
Multi-Tenancy Support
OAuth Integration
Java Spring MongoDB OAuth React TypeScript OpenAI
Visit akkess.io
Founder

AI-Powered Learning Assistant

An intelligent web application that helps students with their homework using advanced AI. Pluggoo combines modern educational pedagogy with cutting-edge language models to provide personalized learning support, explanations, and guidance—making learning more accessible and effective.

AI-Powered Tutoring
Personalized Learning
Real-Time Assistance
TypeScript React Node.js OpenAI Akkess.io
Visit pluggoo.ai
Get In Touch

Let's Build Something Great

Whether you need a technical architect, full-stack developer, or strategic technical leadership—I'd love to hear about your project.

Email mattias@effcode.com
LinkedIn linkedin.com/in/effcode
Currently available for new projects