wsmedia · Full-Stack Development

Senior Full-Stack Developer with Experience

Specialized in system architecture, web applications, Enterprise Resource Planning and AI-powered development – innovative solutions for complex requirements.

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AI-Powered DevelopmentAgents · Skills · MCP

Full-StackReact · Node.js · PHP · Go

26+Years of software development

Dipl.-Inf.Graduate computer scientist

CSMCertified ScrumMaster

MCPAI agents & skills in the workflow

Profile

About Me

With over 26 years of experience in software development, I offer comprehensive full-stack solutions for demanding projects. As a certified ScrumMaster and graduate computer scientist, I combine technical expertise with agile project management.

My strengths lie in the conception and implementation of custom web applications, ERP systems and mobile apps. I rely on modern technologies and proven design patterns to create scalable, maintainable solutions.

From requirements analysis through architecture to implementation and maintenance, I accompany your project with expertise and passion for optimal results, supported by automated testing.

AI-powered development is an integral part of my workflow: with AI agents, specialized skills and MCP integrations I significantly shorten development cycles – while maintaining high code quality through reviews and automated tests.

Frontend React, TypeScript, JavaScript

90 %

Backend Node.js, PHP, Go

95 %

Databases PostgreSQL, SQL, NoSQL

95 %

DevOps & Cloud Docker, AWS, Kubernetes

80 %

Agile Methods Scrum, Kanban

85 %

Testing & QA TDD, BDD, Automation

95 %

AI-Powered Development Agents, Skills, MCP

85 %

Portfolio

Selected Projects

An excerpt from my portfolio showcases the versatility and depth of my experience across various domains.

EMS Training Device & App

Development of a wireless medical training device with mobile app control and cloud connectivity.

Go TypeScript AWS Agile

Enterprise Resource Planning

Custom ERP system for manufacturing companies with complex document management, production planning and inventory control.

React PHP Go MySQL REST

Personal Development Mobile App

Hybrid app for iOS and Android for personal growth with audio content, implemented with flexible monthly and annual subscription model.

React Native TypeScript Node.js In-App Purchase

Team Events Manager

Platform for organizing and managing team events with participant management, scheduling and automated reminders.

PHP MySQL JavaScript Bootstrap

Receipt Scanning App

Mobile application for iOS and Android for scanning and processing receipts with backend services and internationalization.

React-Native MongoDB TypeScript Docker

Fitness Portal & Device Control

Server and backend portal for fitness studio operators with communication to training devices and complex contract management.

Node.js Websockets Docker AWS

Since 2003

Experience

A comprehensive selection of projects demonstrating my versatile expertise across various industries and technologies.

2024 – present

Hybrid Subscription App (iOS & Android)

Development of a cross-platform mobile app with monthly and annual subscription functionality for iOS and Android with unified codebase.

React Native TypeScript Node.js App Store / Play Store

2014 – present

Enterprise Resource Planning System

Custom ERP for manufacturing with document management, inventory control, production planning and EDIFact integration.

ReactJS PHP Go MySQL REST

2020 – 2025

Medical EMS Training Device

Development of a wireless training device with app control, AWS QuickSight integration for data analysis and implementation of a QR code system.

Go TypeScript AWS Scrum

2020 – 2021

Mobile Receipt Scanning App

Conception and development of a hybrid app for iOS and Android with backend services for processing scanned receipts.

ReactJS MongoDB Docker AWS

2014 – 2020

Fitness Portal with Device Control

Server for communication with training devices and backend portal for fitness studio operators with contract management and POS system.

Node.js Websockets Kubernetes Docker

2017 – 2021

Activity Database for Network Operations

Enhancement of a database for service billing with SNMP integration, taskboard and automatic quality control.

ReactJS PHP MySQL Docker

2014 – 2015

KPI Portal for Network Analysis

English-language portal for displaying Key Performance Indicators with automated data processing and visual trend analysis.

ReactJS PHP MySQL Oracle

2013

Global Freight and Rideshare Platform

Community platform with messaging system, secure transaction processing and payment provider integration.

PHP MySQL PostgreSQL jQuery

2013

Motor Manager for Test Benches

Intranet application for managing motors and transmissions on test benches with comprehensive logging systems.

PHP C# Oracle ExtJS

2012 – 2013

E-Commerce Shop with Custom Modules

Implementation and customization of an Oxid eCommerce shop with specialized modules and payment integrations.

PHP MySQL Smarty Ajax

2010 – 2013

Exhibitor Content Management System

System for capturing exhibitor information for trade fair events with SAP interfaces and complex business logic.

PHP MySQL Oracle jQuery

2003 – 2010

Online Travel Guide

Development of a media database with dynamic image rendering, PDF generation and mobile HTML5 website.

PHP MySQL ExtJS jQuery

2003 – 2009

Dynamic Web Portal

Development of a comprehensive web portal for a major renowned running event. Participant registration, automated direct debit, dynamic certificate generation.

PHP MySQL MsSQL jQuery Flash

Services

My Services

Custom solutions for your business - from conception to implementation.

AI-Powered Development

Accelerated software development through the targeted use of AI agents, skills, MCP and automated workflows – for faster results with consistently high quality.

Full-Stack Development

Comprehensive development of modern web applications with front and backend from a single source for optimal performance and user experience.

Mobile App Development

Cross-platform apps for iOS and Android with consistent user experience and excellent performance.

Enterprise Resource Planning

Custom ERP solutions to optimize your business processes, tailored to your individual requirements.

System Architecture

Design and implementation of scalable, maintainable software architectures with modern technologies and proven design patterns.

DevOps & Cloud Services

Implementation of continuous integration, deployment pipelines and infrastructure as code for robust, scalable applications.

Agile Project Leadership

Professional leadership of development teams with agile methods as a certified ScrumMaster for efficient project delivery.

Testimonials

Client Testimonials

“The collaboration was excellent. Sascha implemented our complex ERP project with the highest professionalism and consistently proactively contributed improvement suggestions. The system has been running stably for years and has made our processes significantly more efficient.”

Thomas M.

CEO, Manufacturing Company

“We commissioned Sascha to develop our mobile app and were impressed by his expertise. He quickly understood the requirements and developed a solution that exactly meets our needs. Communication was always transparent and goal-oriented.”

Jana B.

Product Manager, Tech Startup

“When we were looking for an expert to optimize our legacy systems, Sascha was the perfect choice. He quickly familiarized himself with the complex subject matter and created a future-proof solution that has enabled us significant cost savings.”

Dr. Michael S.

CTO, Mid-sized Company

Projects for renowned companies

Request a project

Contact

Interested in working together? Contact me for a non-binding conversation about your project.

I look forward to your inquiry and a successful collaboration!

Germany, Heinersreuth
+49 9203 9739824
info(at)wsmedia.info