Friedrich Melchert

I spearheaded the development of a mission-critical mobile application for the configuration and control of high-performance electric hydrofoil watercraft. My central contribution was a strategic shift in the system architecture: transforming the communication model from an internet-dependent cloud sync to a robust, hardware-direct Bluetooth Low Energy (BLE) ecosystem.

I architected and implemented a custom BLE stack from the ground up, designed to interface seamlessly with multiple onboard subsystems. This implementation eliminated the dependency on cellular service, providing users with high-reliability control in remote marine environments. Throughout the project lifecycle, I led the end-to-end integration across both the mobile and embedded firmware layers, ensuring the stack remained performant as system requirements evolved.

Beyond the core communication layer, I enhanced the platform's data capabilities by integrating advanced geospatial visualizations via Google Maps and Mapbox, enabling users to analyze complex track telemetry in real time.

I engineered core firmware features for an embedded control system governing a high-performance electric hydrofoil. My work focused on the development of low-latency monitoring systems for mission-critical telemetry, including real-time thermal management, battery state-of-health (BMS), and motor power-curve optimization.

A primary technical challenge involved managing strict hardware limitations. Through rigorous static code analysis and algorithmic optimization, I successfully reduced the compiled binary footprint, reclaiming vital memory for expanded navigation logic and redundant safety protocols.

Working at the intersection of software and hardware, I collaborated with electrical engineers to ensure high signal integrity and system reliability. My contributions directly enhanced the craft’s responsiveness and operational safety, resulting in a more intuitive and high-performing user experience.

I led the end-to-end development of a specialized management platform for Free Your Seed, a German NGO seed library. I initially designed and launched a Laravel-based prototype to automate member and inventory tracking, then orchestrated a comprehensive full-stack architectural rewrite. This evolution transitioned the system into a modern, responsive client-side application, significantly improving cross-platform accessibility and user engagement.

Beyond the core logistics of seed requests and returns, I implemented generative AI features to enhance the user experience. This included an LLM-powered content assistant for automated text generation and an intelligent chatbot providing expert horticultural advice. These tools transformed the platform from a simple inventory system into an interactive educational resource for home gardeners.

I designed and developed Schule AI, a comprehensive platform that bridges the gap between artificial intelligence and classroom education. On the administrative side, I engineered advanced tools for educators that automate lesson planning and streamline grading workflows. For students, I implemented a personalized AI tutoring system that provides real-time support for assignments and self-paced study.

A core component of the platform is its curated AI curriculum, for which I developed interactive modules covering AI fundamentals and the ethics of machine learning. By balancing a user-centric interface with sophisticated AI integrations, I created a scalable environment that empowers both teachers and learners to engage with emerging technologies responsibly.

I engineered a high-performance surface analysis ecosystem designed for diverse applications, from high-precision cosmetic skin analysis to industrial construction material assessment. I developed the full-stack infrastructure, comprising mobile acquisition tools, web-based management interfaces, and a robust backend designed to handle massive volumes of labeled image data.

A central achievement was the development of a specialized recorder application that utilizes a patented measurement procedure. By precisely controlling the smartphone display and front-facing camera, the app transforms standard mobile hardware into a high-fidelity scientific instrument. I architected a custom cloud synchronization layer optimized for the rapid upload of these large-scale datasets and implemented efficient image analysis algorithms to provide real-time feedback across the platform.

I led the development team in architecting a specialized digital health platform designed to monitor cognitive health in elderly populations. The application serves as a non-invasive diagnostic aid, utilizing a suite of interactive puzzles, meditation exercises, and entertainment modules to detect early indicators of cognitive decline and dementia.

My focus was on inclusive UX design, engineering a simplified interface tailored specifically to the motor and visual needs of senior users. Beyond the frontend, I directed the implementation of a longitudinal data-tracking engine that captures user interaction metrics and performance trends over time. This enables healthcare providers to identify subtle behavioral shifts, facilitating early intervention through data-backed insights.

I engineered a custom motor control solution for a high-precision linear unit within an automated biological imaging system. The project began with a comprehensive comparative evaluation of existing motor controllers, leading to the development of a bespoke hardware solution tailored to the system's specific electrical and torque requirements.

I designed and implemented a specialized communication protocol on ESP32 hardware, enabling seamless integration into the existing laboratory control infrastructure via a low-latency interface. Beyond the initial prototype, I managed the small-scale production of the units, ensuring that each controller met the rigorous reliability standards necessary for long-term, automated biological research applications.

I led the development of a high-performance modular software framework engineered for real-time, high-resolution image acquisition. By implementing rigorous low-level optimizations—including efficient memory buffering and asynchronous data handling—I achieved a sustained throughput of up to 500 MB/s, enabling the processing of high-frame-rate streams without data loss.

The framework was built with a strict modular architecture, allowing for the rapid integration of new camera hardware and specialized sensing equipment. I designed a standardized driver abstraction layer that significantly reduced the engineering overhead required for hardware interfacing. This focus on modularity ensured that all software components remained highly reusable and adaptable across various industrial and scientific research applications.

I engineered a custom embedded hardware solution to bridge the gap between vintage automotive electronics and modern sensor technology. To solve the problem of obsolete and cost-prohibitive legacy air mass sensors, I designed and manufactured a specialized hardware adapter that enables classic vehicles to interface with readily available modern sensors.

The core of the system is a signal-translation layer that dynamically adjusts electrical characteristics in real-time to emulate the original sensor’s output, ensuring perfect compatibility with the vehicle’s original ECU (Engine Control Unit). I managed the entire product lifecycle, from technical specification and PCB design to firmware development and small-scale production, all while adhering to the rigorous reliability standards required for automotive-grade hardware.

I engineered a specialized photo-sharing ecosystem for a European tour agency to facilitate community building among trekking and skiing participants. Recognizing that participants are often strangers at the start of a trip, I developed a secure, tour-centric platform that allows for the private sharing of memories within specific groups.

The system features dynamic photo galleries with real-time engagement tracking to highlight the most popular moments of each excursion. To provide a full-circle user experience, I integrated a third-party affiliate API, allowing participants to seamlessly transition from digital viewing to ordering professionally printed photo books. I managed the entire lifecycle—from design to deployment—ensuring that the platform remained user-friendly for a diverse range of travelers while maintaining strict privacy controls over shared content.

I directed the development of a custom workforce management platform for a high-volume event venue. Built from the ground up, the application was engineered to automate the complexities of shift scheduling, staff qualifications, and payroll logistics. I architected a centralized system to manage employee onboarding and dynamic event staffing requirements, ensuring that every shift was optimized for the necessary skill sets.

A primary technical achievement was the implementation of an automated substitution engine. This feature utilized custom logic to identify and notify qualified replacements when staff members became unavailable at short notice, drastically reducing the manual overhead of emergency rescheduling. My work modernized the venue's internal operations, leading to a significant increase in scheduling accuracy and overall administrative efficiency.

I directed the design and development of GERAngel, a localized social network engineered to connect users with venues and community events. Built from the ground up using PHP, the platform was architected with a strict focus on modularity and long-term stability, ensuring a codebase that minimizes technical debt as the user base scales.

I developed the end-to-end event management infrastructure, including a streamlined ticketing system and a collaborative planning interface. By prioritizing a clean, intuitive UI/UX, I ensured a seamless transition for users moving from event discovery to participation, creating a robust tool for fostering local community engagement.

I engineered key expansions for a high-end charter management platform for private aviation, built on a Laravel and Vue stack. I led the modernization of the application’s core infrastructure, upgrading legacy dependencies to ensure long-term security and performance while maintaining 24/7 availability for global operations.

I architected and implemented several critical business modules, including a comprehensive customer loyalty program and a suite of organizational tools for flight coordinators, such as synchronized calendars and task-management systems. Additionally, I overhauled the client-facing booking engine, streamlining the UX to allow users to self-initiate complex charter requests, which significantly reduced manual administrative overhead.

Contributed to the development of an all-in-one AI business platform that automates customer-facing operations. I worked on a multi-channel system where AI agents handle voice calls, SMS, and web chat simultaneously.