Dennis Lapuschkin

Clients since 2023
Four ongoing client relationships, all active since 2023.
Years full-stack
Active as a freelance software developer since 2021.
Years MEAN stack
Angular, Node.js, MongoDB and TypeScript across four parallel projects.
Healthcare projects
Three projects in the medical sector — QM, master data, microbiology.
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
Senior Full Stack Developer — PHP/MySQL ERP for Travel Operators (Sports Events)
EventManager – ERP System for Tour Operators in the Sports Event SegmentOptimization 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.
Geschenkzeitung.de
E-Commerce·2023–today·3 years of collaboration
Senior Full Stack Developer — Angular PWA & Node.js E-Commerce
Geschenkzeitung.de: Modern E-Commerce with Angular PWAMaintenance 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.
SGBU mbH
Medical Industry·2023–today·3 years of collaboration
Senior Full Stack Developer — MEAN Stack Master Data Management (Medical)
Administration system for the service company of the Bavarian urologistsFurther 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.
ProDocMed UG
Medical Industry·2023–today·3 years of collaboration
Senior Full Stack Developer — MEAN Stack Analytics & QM (Microbiology)
UroStatistix: Quality Management for Urine MicrobiologyFurther 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.
Additional Projects
Medical Industry
Additional References
Technical skills
| Technical Skill | Experience (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 |