Dennis Lapuschkin

Senior Full Stack Software Developer
Dennis Lapuschkin
4

Clients since 2023

Four ongoing client relationships, all active since 2023.

5+

Years full-stack

Active as a freelance software developer since 2021.

3+

Years MEAN stack

Angular, Node.js, MongoDB and TypeScript across four parallel projects.

3

Healthcare projects

Three projects in the medical sector — QM, master data, microbiology.

MEAN-stack applications for healthcare, e-commerce and custom software — from maintaining existing systems to scalable development.

Summary

Experienced freelance software developer with over 5 years of expertise in designing and building scalable web applications, APIs, and cross-platform mobile apps. Specialized in the MEAN stack (Angular, Node.js, MongoDB, TypeScript), cloud infrastructures (GCP, Azure), and DevOps workflows with Docker alongside agile development practices. Project-oriented, quality-driven, and solution-focused — with an industry focus on healthcare, e-commerce, and custom software.

Industry knowledge

  • E-Commerce
  • Medical Industry
  • Event Industry

Expertise

Confident in agile development processes and the Scrum framework

Cross-industry project experience across healthcare, e-commerce, and ERP systems

Able to adapt quickly and work effectively within a team

High motivation and initiative

In-depth understanding of fundamental principles and practices in software engineering

Long-term commitment and ownership in maintenance projects

Project overview

AB SportEvent GmbH

Event Industry·2023–today·3 years of collaboration

April 2023 - TodayBackoffice Management

Senior Full Stack Developer — PHP/MySQL ERP for Travel Operators (Sports Events)

EventManager – ERP System for Tour Operators in the Sports Event Segment

Optimization and enhancement of an existing ERP system for tour operators in the sports event segment. Implementation of features for planning, booking, execution, and billing of sports events, along with integration of external service providers. Iterative refinement of the PHP/MySQL architecture in an agile process. The ERP digitally covers the entire process from planning to billing, replacing previously manual coordination steps.

Javascript
PHP
MySQL
REST API
CSS
HTML
Git
GitHub
NPM

Geschenkzeitung.de

E-Commerce·2023–today·3 years of collaboration

January 2023 - TodayBrand development

Senior Full Stack Developer — Angular PWA & Node.js E-Commerce

Geschenkzeitung.de: Modern E-Commerce with Angular PWA

Maintenance and enhancement of a service-oriented architecture based on Node.js and Angular. Focus on clean code structures through the targeted use of design patterns and seamless integration of external APIs. This enables faster delivery of new features while keeping live shop operations stable.

https://geschenkzeitung.de
Javascript
MongoDB
Node.JS
Angular
CSS
HTML
Google Cloud Run
Git
NPM

SGBU mbH

Medical Industry·2023–today·3 years of collaboration

January 2023 - TodayBrand development

Senior Full Stack Developer — MEAN Stack Master Data Management (Medical)

Administration system for the service company of the Bavarian urologists

Further development and maintenance of a web-based master data management system for medical facilities using the MEAN stack. Implementation of new features, architecture optimization, and integration of NgRx/RxJS for efficient state management and reactive data flows. Contribution to DevOps processes and technical documentation. The result is centralized, reliable master-data management that reduces manual administrative effort for the medical facilities.

Javascript
TypeScript
MongoDB
Node.JS
Angular
CSS
HTML
Docker
Google Cloud Platform GCP
Google Cloud Run
Azure DevOps
NPM

ProDocMed UG

Medical Industry·2023–today·3 years of collaboration

January 2023 - TodayScience & Research

Senior Full Stack Developer — MEAN Stack Analytics & QM (Microbiology)

UroStatistix: Quality Management for Urine Microbiology

Further development and maintenance of a statistical modeling tool for healthcare applications based on the MEAN stack. Implementation of new features and architecture optimization. Collaboration on DevOps processes and technical documentation. This automates statistical analyses and makes quality management reproducible and auditable.

https://demo.urostatistix.de
Javascript
TypeScript
MongoDB
REST API
Express
Node.JS
Angular
CSS
HTML
Azure Cloud
Google Cloud Run
Azure DevOps
Git
NPM

Additional Projects

Medical Industry

Technical skills

Technical SkillExperience (years)Last Used
Programming Languages
JavascriptJS, ES6, ECMAScript, Java Script
6 yr.2026
PHP
6 yr.2026
TypeScriptTS, Type Script
4 yr.2026
Dart
4 yr.2024
Mobile App development
Flutter
4 yr.2024
Database Technologies
MySQLMy SQL
6 yr.2026
MongoDBMongo DB
4 yr.2026
Integrations & Services
REST APIREST, RESTful, HTTP API
4 yr.2026
Backend Development
Node.JSNodeJS, Node, Node.js
4 yr.2026
ExpressExpress.js, ExpressJS
4 yr.2026
Symfony
4 yr.2024
Laravel
4 yr.2024
Frontend Development
HTMLHTML5, HTML 5
6 yr.2026
CSSCSS3
6 yr.2026
AngularAngular 2+
4 yr.2026
VueJSVue.js, Vue JS
4 yr.2024
Cloud & Infrastructure
Google Cloud RunCloud Run
4 yr.2026
Google Cloud Platform GCPGCP, Google Cloud
4 yr.2026
Docker
4 yr.2026
Azure CloudMicrosoft Azure
4 yr.2026
Tools & Administration
NPMNode Package Manager
6 yr.2026
Git
6 yr.2026
Azure DevOpsADO, Azure Pipelines
4 yr.2026
GitHubGit Hub
4 yr.2026
Atlassian JIRA
4 yr.2024