Set up and customized a containerized Jitsi instance for live speech recognition (VOSK) and real-time automatic translation (LibreTranslate, LMU fairseq).
Developed a comprehensive implementation plan for the rollout of the DocuWare document management system for the Foundation for the Sorbian People. Addressed complex requirements such as multi-tenancy, scalability, data protection, interoperability with third-party software (e.g., HS Finanzwesen, MACH meinERP), Sorbian language support, and centralized operations management.
Built and executed a quantitative investment strategy using GPT-3.5 to analyze 20,000 earnings call transcripts from the top 500 US companies over a 10-year period. Implemented data analysis and backtests in Python & C#.
Created the Clean Code Principles website as an interactive reference, featuring a PDF generator, fuzzy search, and social media sharing. Content is maintained in Markdown and deployed automatically on git commits. I used Next.js for fast delivery and Tailwind CSS for a responsive design.
Developed the ZEISS Connected Quality Platform—a solution for monitoring measurement systems, managing measurement plans and quality processes, and accessing raw system data. I focused on building a robust .NET infrastructure with Keycloak authentication, RabbitMQ messaging, MSSQL database management, Angular/React SPAs, TLS encryption, backup integration, monitoring, and support for Windows on-premise and Kubernetes clusters. The challenge was to run the platform across Windows on-premise and Kubernetes while ensuring an optimal local Windows development environment for efficient debugging and development.
At KPMG Switzerland, I led the migration of on-premise servers to Azure, set up a new Azure tenant, and trained the client for ongoing operations. I built a secure cloud environment by encrypting VMs, SQL Server, and Web Apps. Using infrastructure-as-code and automated Azure DevOps pipelines, the setup was efficient and secure.
Scaled Microsoft System Center Configuration Manager (SCCM) for over 150,000 clients. I designed a testable, scalable architecture, integrated authentication (IWA, JWT), MSSQL, RabbitMQ message bus, and automated CI/CD and infrastructure.
Developed and operated the ZEISS Enterprise Service Bus (ESB) for cross-enterprise digital interfaces with over 3M messages/day. Built on Azure API Management, Functions, Service Bus, CosmosDB. I did performance analysis, network diagnostics, risk assessments, infra automation, and live issue resolution.
At VIDEO OASE, a video marketing portal, I delivered a serverless proof of concept, used UX tools for prototyping with the client, and built core features: user registration, login/logout, password reset/change, protected routes, simple search, and Excel data import.
As an external developer at OTTO, I designed and implemented the Product Information Management (PIM) software for otto.de e-commerce. I built microservices in Go and ReactJS frontends, applied Clean Code practices, set up a virtual dev environment, and improved Scrum with acceptance tests for better collaboration.
At BALLUFF, I created a test framework for an IO-Link device in C++ and Python, automated formal documentation for TÜV certification, and wrote Arduino firmware integrating RFID and barcode scanners.
On a short project at Daimler, I boosted material-mapping software performance by adding data caching in C/C++ with Qt and documented mapping algorithms. I also fixed build system errors.
At SYNATEC, I worked on automotive traceability software, managing XML files, improving event traceability, and handling high message throughput. I found and fixed memory leaks and crashes, integrated fixes, and optimized performance.
In a T-Systems project, I optimized On-Board Unit (OBU) software for Europe’s truck toll system. I measured and improved boot times using Unix tools, parallelized startup with threads, and prototyped prelinking on ARMv6 (not deployed for security reasons).
Built a real-time TV ad tracking platform with C/C++, Go, Kafka, PostgreSQL on Linux. I found a critical memory leak (integer overflow) over three months using Valgrind, gprof, and system monitors, fixed it, and stopped daily crashes. I also set up servers, video tuner cards, and smartcard decryption.
For startup TEAMONDO, I designed and built a real-time communication server for HTML clients using WebSockets to handle chat messages, click events, and other interactions. The focus was on stability and scalability with Node.js, Redis, Pub/Sub, MongoDB, and Socket.io on Unix.
At startup SMOOSTER, I enhanced their CMS using Ruby on Rails and JavaScript, added a robust auth system, frontend test automation, optimized media delivery with caching and CDN, solved scaling issues, and improved SEO.
As a freelance web developer, I built custom websites for various clients, advised on modern tech, and collaborated with designers on visual design. I honed communication to meet client needs for cost, performance, design, and technology.
As a trainee and Windows Server admin at Siemens AG, I gained extensive software development experience.
Senior DevOps specialist with over 10 years of professional experience, focused on cloud and on-premise infrastructures.
Mr. Florian Böhmak regularly proves his expertise by successfully delivering scalable and secure applications through CI/CD best practices, containerization with Kubernetes, and infrastructure as code in .NET on both cloud and on-premise systems.
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