Apache Cordova Experts in Germany

• Complete greenfield rebuild across the whole stack — built AI-native: backend in Go and NestJS, PostgreSQL (CNPG) on K3s with GitOps/Terraform; frontend on Angular 22, zoneless.
• Orchestrated coding agents (e.g. Claude Code, Cursor) across the entire lifecycle — architecture, implementation, testing, reviews, documentation — driven by Specification-Driven Development (SDD).
• “Bruno” — LLM commentator persona backed by RAG and MCP for a personality that stays consistent across all generations (match previews, post-match reports, his own virtual bets).

Angular 22 (zoneless, without Zone.js), Claude Code, Claude Code Skills, CNPG, Cursor, Design Tokens (Spec for Code), Docker, Gherkin, Git, GitLab, GitOps, Go, Google Gemini, Grafana, Hetzner Cloud, K3s, Keycloak, Kubernetes, Lighthouse, LLM Integration, Model Context Protocol (MCP), NestJS, Node.js, NPM, Playwright, PostgreSQL, Prometheus, RAG, REST, Specification-Driven Development (SDD), Structured Outputs, Terraform, TypeScript, Vitest

• Conducting and evaluating web analyses
• Creating and editing tags and scripts in the area of tag management as well as banners and other client-side web elements in the area of consent management
• Technologies used in development: Tealium, JavaScript, IntelliJ, Git, Android Studio, Selenium, Appium, Adobe Analytics, Power Automate, Power App

• Architecture and conception
• Development at gitis.de (Laravel, Vue, Blade, CI/CD Pipeline [Rector, PHPUnit, PHPStan, PHP_CodeSniffer])
• Development at plotdesk.app (Laravel, Vue, Inertia, Tailwindcss, Prism, Ansible, Docker, CI/CD Pipeline [Rector, Pest, PHPStan, Pint])
• Development at sales-automation.ai (Laravel, Vue, Inertia, Tailwindcss, Prism, CI/CD Pipeline [Pest, PHPStan, Pint])
• Development at Cynapsis Interactive (Laravel, Filament, Google Ads API, CI/CD Pipeline [Rector, Pest, PHPStan, Pint])
• Analysis and monitoring tool for z-optimations GmbH (Laravel, Blade)
• Development at ProgressMaker (Laravel, Pest, REST-API)
• Development of a data warehouse at ProgressMaker (Laravel)
• Development of SimpleStats.io (Laravel, Vue, Inertia, Tailwindcss, Pest, CI/CD)
• Development of Validation for Laravel (Laravel, Vue, Inertia, Tailwindcss)
• Development of multiple open-source projects (laravel-date-scopes, laravel-schema-rules, laravel-xhprof)

Conducted an independent technical assessment of an AI-enabled software platform, combining AI risk auditing, cybersecurity analysis and software architecture review. Reviewed application components, APIs, data flows, LLM integrations, retrieval-augmented generation, multi-agent orchestration, authentication, tenant isolation, dependency vulnerabilities, AI governance and model lifecycle controls. Authored a technical audit report with a structured risk register, source-code evidence, regulatory references, corrective actions, AI system inventory, risk classification, remediation roadmap and Key Risk Indicators.

Technologies: TypeScript, JavaScript, React, Next.js, Node.js, REST APIs, MongoDB, Redis, AWS serverless services, OAuth 2.0 / OpenID Connect, LLM APIs, RAG, vector search, multi-agent orchestration, Model Context Protocol, C4 architecture modelling, threat modelling, NIST AI RMF, ISO/IEC 42001, ISO/IEC 23894, OWASP guidance, MITRE ATLAS

• Overall technical responsibility for innovative SAP Customer Checkout solutions for leading customers such as Aramark, Consortium Gastronomie, Feinkost Käfer, TSG Hoffenheim, and VfB Stuttgart. End-to-end support from requirements analysis through implementation and support.

• Successful design and development of the NDS SmartPOS platform ("Läufer App"):

• Development of the software architecture and implementation according to Modern Android Development principles.

• Management of a small development team (1 Android expert, 1 working student) with a 50 % share of my own development work.

• Integration of various payment SDKs (S-Payment S-POS, VR Payment, CCV), enabling customers to achieve significant cost savings by continuing to use existing contracts.

• Successful rollout at several major customers, with demonstrably increased efficiency of sales staff.

• Independent development and successful implementation of critical infrastructure components:

• Reporting server (SQL, JasperReports): Demonstrable reduction in accounting workload by eliminating the need for daily manual data transfer to the ERP system.

• ZVT plugin: Sole responsibility for implementing the serial protocol with Java/Netty over TCP/IP, saving several thousand euros per site and successfully used in production at several Bundesliga stadiums.

• Complete independent development of specialized plugins and server applications for customized extensions of SAP Customer Checkout:

• Waiter Teams Plugin: Enables waiters to work and settle accounts as a team.

• SQL Reporting: Independently delivered from concept through complete documentation.

• RFID payment solution for employee cards: Responsible for the complete development cycle.

• Integration with reservation services: Designed seamless integration with Luca and other services and implemented it together with a colleague.

• Direct on-site technical support for customers, including rapid troubleshooting in real-time environments with high transaction volumes and direct coordination with stakeholders to continuously improve the systems based on practical experience.

• Designing new apps as well as enhancing and running 29 Angular apps for digital claims in an Nx monorepo
• Maintaining and improving a shared component library with ~300 libraries for multiple product teams
• Migrating all apps to a new design system including its component library and systematic refactoring
• Developing and maintaining the CI/CD pipelines (Jenkins, Azure DevOps, Terraform, AWS)
• Managing releases independently including branch handling, versioning, PR coordination and production deployment
• Implementing and maintaining tracking (Adobe Analytics)
• Ensuring accessibility according to BFSG/WCAG
• Test-driven development (TDD) with Jest and Cypress
• Code reviews, mentoring and setting up best practices in the team
• Technologies: TypeScript, Angular 16-20, RxJS, NgRx, Nx (Monorepo), npm, HTML, (S)CSS, Storybook, Jest, Cypress, Cucumber, Husky, Node.js, Git, AWS, Azure DevOps (Repos & Pipelines), Jenkins, Terraform, TDD, BFSG, WCAG, Nexus, IntelliJ, Adobe Analytics

• Participated in the Riyadh Public Transport (KAPT) project introducing public transportation in Riyadh, supporting multimodal journeys combining bus, metro, car on demand.
• Worked via Thiqah and partnered with Andersen to refactor the mobile MaaS application DARB into a new microservices architecture under SCRUM framework, successfully completing Phase 1.
• Facilitated a team of 40 developers across Android, iOS, Web, Java, DevOps, architecture, analysis, and QA.
• Moderated Scrum events and communicated with the client, proactively reporting on project deadlines, scope, and challenges.
• Coordinated cross-team efforts between Thiqah specialists and GPS development teams, managing Jira and Azure DevOps trackers.
• Supported and improved Scrum processes throughout the project.
• Due to Thiqah’s takeover by Elm, subsequent phases were handled entirely in Saudi Arabia with GPS providing IT consulting.
• Tools: Azure DevOps, Jira, Confluence, Draw.IO, ChatGPT

• Testing the SekIDP and related components
• Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript

• Integration of payment methods and optimization of the checkout process
• Coordination of interdisciplinary teams, resulting in a 30% increase in user retention

• Set up the new digitization strategy.
• Using Camunda as a process engine, a new way of handling batch and dialog tasks is created.
• In close cooperation with the business department, the individual processes are created and put into production.
• Forms for controlling manual interventions, e.g. when adjusting applications, are implemented.
• Gradual migration of old code from IBM WebSphere to JBoss.
• Skills: Arquillian, Camunda, Initiative, Empathy, Hibernate, Jackson, Java/JEE, JBoss, Jersey, JSON, JUnit, Openness to criticism, Willingness to learn, REST, Teamwork, WebServices.

• Create a product and service portfolio delivering a 360 degree approach to digital corporate sustainability covering KPI management, CSRD reporting and sustainable strategy
• Create vision and business case
• Onboard and align business partners, negotiate contracts
• Set up partner network as self-organized agile team
• Co-develop product and service portfolio
• Coordinate sales and marketing, go-to-market strategy and roadmap

• Development of a tool for data entry, analysis, and transmission
• Conception, architecture, implementation, interface development, deployment
• App development (Android, iOS, Windows)
• Language: C#, .NET MAUI

• Further development of various apps in the context of a Digital Trust Framework / IIoT
• Programming language: Dart
• Technologies & frameworks: Flutter, Stacked, CI/CD