.NET Experts in Hamburg

Project:

• Migration of existing VB6 applications to C# (Web API, web app)
• Report development and risk management systems (C#, API interfaces, databases)
• Document archive (API interfaces, databases)

Team size: 9 people

• Reports for Risk and Credit Management Development and maintenance of report structures to support risk and credit decisions, including data modeling, validation, and automated delivery for business departments.
• Migration and maintenance of a legacy system to the latest version of .NET for the asset management system Planning and execution of the modernization of an existing asset management system, including code refactoring, performance optimization, test automation, and sustainable maintenance after migration.
• Replacement of the COM-based archive connection with a REST API Redevelopment of the connection of the document archive (HYPARCHIV) to a REST API based on OpenAPI/Swagger, including archiving with index and stamp fields as well as PDF export into the customer portal.
• Redesign of payment receipt processing Replacement of an existing Oracle PL/SQL process with a new implementation in C# based on a business concept, including business alignment, data modeling, and test coverage.
• Design and implementation of tests, creation of deployment pipelines, and documentation
• Further development and implementation of change requests.
• Regular code reviews within the team as well as optimization of application scalability and stability

Technologies: C#, .NET 10, ASP.NET, Unit of Work, IoC, Three-Tier Architecture, Entity Framework Core, DB First, Web API, Swagger, OpenAPI, Python, Oracle, HYPARCHIV, Azure, PowerBI, DevOps, AKS (Azure Kubernetes Service), GIT, xUnit, NSubstitute, TypeScript, Vue.js, Pinia,

Methods: agile development using Scrum

• Industry: SaaS (Customer Success Management) – B2B

Comprehensive GEO implementation (Generative Engine Optimization) for a B2B CSM SaaS startup with a focus on AI Search Visibility and AI Citations in ChatGPT, Perplexity and Google AI Overviews – including a GEO workshop and a prioritized implementation roadmap.

• GEO Workshop & Roadmap: Conceptualized and delivered a GEO workshop (how LLMs work, AI Search Architecture, citation strategies); translated it into a prioritized implementation roadmap with impact/effort estimates
• Technical GEO Foundation: Robots.txt & llms.txt, Core Web Vitals & page speed, XML sitemaps for AI crawlers
• Schema & Structured Data: Gap analysis, implementation of Product/Service, FAQ, Article, Author and Organization schema, validation of coverage
• Content Architecture & GEO: Flat content architecture, topic clusters (pillar-and-spoke), 200–300 word chunks and answer-first content structure, E-E-A-T rollout through author pages
• Query Fan-Out & Prompt Anticipation: User prompt mapping, query fan-out, content gap analysis based on prompt coverage
• Citation & Backlink Strategy: AI citation analysis (news, Reddit, Wikipedia, listicles) and development of outreach and backlink strategies

Tools & technologies: Otterly.AI, PeecAI, Qforia (iPullRank), Schema Markup Validator, OpenAI Tokenizer, Prompt Coverage Monitor, ChatGPT, Perplexity AI, Semrush, Ahrefs, Framer CMS

• Developing a professional scheduler for organizations with specific detailed requirements
• Evaluating different existing software solutions
• Creating a list of technical requirements
• Implementing these requirements
• Selected technologies: WebDAV, CalDAV, Rust, Baikal, OAuth, Keycloak

• Several projects in a police context
• Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
• Create software architectures with microservices
• POC development with Springboot/Docker/Kubernetes
• Project size: 10 people
• Enterprise architecture management with Togaf and Archimate
• Backend software development Springboot
• DevOps with Kubernetes
• Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate

• Creation of a platform where schools can run competitions to collect e-waste or old textiles
• Development of a shared PHP backend for administration by the client
• Connection of two separate WordPress sites via REST API
• Development of a custom WordPress theme with an extensive login area for students
• Setup of normally editable content pages using Elementor

• Reviewing functional and technical requirements from a testing perspective
• Creating test cases and automated tests to validate requirements
• Performing manual and automated functional, end-to-end, and regression tests
• Documenting test results and tracking defects
• Using models like GPT-4, BERT, and Hugging Face Transformers for automated test case generation, analysis of test results, and improving test coverage, including bias checks and security reviews
• Techs: MS Office, Jira, Zephyr, Confluence, Tosca, stakeholder communication, Agile, Kanban, Scrum, OpenAI API, Hugging Face, PyTorch, LangChain.

• Poliks – State Police System for information, communication, and case management and other state variants (ViVa, Bravo, customs)
• Developed a test framework for test automation to replace an existing proprietary test client for new developments, focusing on easy maintenance and simple extensibility for new technologies
• Designed the architecture
• Implemented the architecture
• Created a proof of concept by migrating existing test cases into the new test framework
• Platform: C#, .NET, Jira, XRay, Confluence, Playwright, Selenium, UI Automation, Appium, HTML, Git, VMWare, Windows 11, Linux

• Development of modern web applications focusing on React and Next.js

• Implementation of e-commerce and business platforms for SMEs

• Analysis and optimization of software and data structures

• Design and development of custom IT solutions

• Structuring of data flows and system architectures

• Ongoing project work in web development and platform solutions

• Tax Advisor Platform with Client Portal and Admin System:

• Development of a web-based platform with an integrated client portal

• Implementation of a system solution including a website, admin panel, and client application

• Development of a role-based access system (admin / client)

• Implementation of document and invoice management

• Digitization of business processes

• Building high-performance frontend structures

• Integration of APIs and backend logic

• Coffee Business Platform with Admin System:

• Development of a web application for a café with administrative functions

• Implementation of internal workflows and user management

• Structuring of digital business processes

• Development of modern UI components with a focus on performance

• Shared Account Platform (Admin & Client Applications):

• Development of a scalable platform with separate applications for admins and users

• Implementation of a role-based access system

• Development of a modular frontend architecture with React and TypeScript

• Integration of API structures and data management

• Prequalified 200 demands within five weeks on the multi-cloud-commerce platform bechtle-clouds.com with three external consultants
• Served a dual role as project manager and requirements engineer for various enhancements
• Domain topics: reimplementation of Entra ID Sync, improvement of support processes, optimizations in the product catalog
• Demand and project management in ServiceNow
• Refinement of epics and stories with internal teams and external service providers
• Management of the external international service provider

• Further development of the Android app "StarMoney"
• Major XML to Compose redesigns
• Introduction of new technologies and architecture
• Implementation of instant bank transfer
• Development following the agile Scrum process

• Solution for micro-service and frontend solution for the electric grid
• Leading of development teams
• Technologies: React-Native, TypeScript, Kotlin, AWS, Infrastructure As Code, Serverless Architecture, React, NoSQL, GraphQL, Angular, Playwright, Python, ML(Ops), Kubernetes, Docker

• Responsible for the new development of billing and auditing software for prescriptions (prescriptions) to fully check and evaluate e-prescriptions for correctness (content, billing)

• The system consists of several contexts that run as services (Docker containers):

• Checking and processing data deliveries via FTP and email

• Managing invoices, clearings, advance payments and deductions

• Managing and running audit rules and audit folders

• Evaluations based on Metabase

• Developer Stack: Kotlin, Vue 3 / Vuetify 3, ANTLR, Spring Boot 3, REST API, Gradle, Docker, GitLab, PostgreSQL, Kafka, Keycloak, Scrum, Grafana, Loki, Testcontainers, Prometheus

• Collaborated closely with key users, business analysts and product owners to understand requirements, define priorities and derive solutions
• Managed external service providers
• Oversaw and executed updates, patches and release management
• Handled incident, problem and change management according to ITIL
• Analyzed and evaluated incidents and changes for operational impact and business processes
• Monitored systems and interfaces, ensuring IT security and compliance requirements
• Supported IT planning, cost monitoring and contract management
• Created and executed tests for maintenance and projects
• Assisted in designing technical solutions and contributed to projects such as IT landscape harmonization and modernization
• Independently led operations-related projects and continuously optimized processes
• Achieved significant cost savings through supplier negotiations, rightsizing and decommissioning of legacy systems
• Technologies: Azure DevOps, ServiceNow, icinga, metalogic mPE/mPX, FIS, inubit, Oracle, LeanIX, One Identity, Confluence, Copilot, XML, JSON, SQL, RabbitMQ, Python, BPMN, OKR, ITIL, Kanban

• Optimized and introduced Salesforce processes (Sales Cloud + Marketing Cloud) to support sales.
• Implemented processes for collecting requirements from various departments.
• Expanded reporting for transparency of project progress and backlog priorities.
• Managed the backlog, created user stories and acceptance criteria.