cat cv.en.json

Daniel Deusing

Managing Director & Senior Software Engineer

Ribeirão Claro, Brasil · twiceD Technology GmbH

Employee Profile

Results-driven software engineer with 13+ years of experience in full-stack development, IoT, embedded systems, and enterprise software. Proven track record leading development teams and delivering mission-critical systems for automotive, defense, and industrial clients. Excels at systematic debugging and root cause analysis of complex problems. Experienced in code review with focus on knowledge transfer and team development. Combines hands-on technical expertise with leadership skills – from architecture planning through implementation to production operations. Strong communication skills in German, English, and Spanish. Experienced in agile, distributed teams and international projects.

Technical Skills

Programming: Java · Python · C · TypeScript/JavaScript · C++ · Bash
Frameworks: Spring Boot · Angular · Flask · OSGi · Hibernate · JUnit · JPA
Cloud & Infrastructure: AWS · Docker · Linux · Yocto/OpenEmbedded
DevOps & Tools: Git · Jenkins · CI/CD Pipelines · Atlassian Suite (Jira/Confluence)
Databases: MySQL · Oracle SQL · PostgreSQL · Redis · MongoDB
Architecture & Design: Domain-Driven Design · Microservices · Event-Driven Architecture
Protocols & APIs: REST · SOAP · Swagger/OpenAPI · MQTT · WebSocket
Observability: Grafana · Prometheus · ELK Stack · Application Logging
Security: OAuth2 · TLS/SSL · LDAP · Identity Provider Integration
Methodology: Scrum · Kanban · Test Driven Development · Requirements Engineering · Code Review
Domains: IoT · Smart Home · Embedded Systems · Linux Drivers · Enterprise Software · Automotive

Selected Projects

The following projects comprise development work only. Activities in leadership roles are not listed.

2022 – Present

LiMAPS – Real-Time Measurement Analysis Platform

LITEF GmbH (Northrop Grumman) · Lead Developer & Team Lead

Leading development of real-time measurement analysis system for inertial navigation systems.

- Architected real-time data pipeline from shared memory ring buffer to web frontend
- Led team of 4 developers; also deployed in LiRED (related platform)
- Integrated C library from LITEF for high-performance shared memory access
- Ongoing maintenance: security updates, performance optimizations, and bug fixes

Tech: Angular, Python, C, Shared Memory, Real-Time Systems

2021 – Present

VU3 – Enterprise Vehicle Sales Platform (Volkswagen Group)

Cloudflight GmbH / Porsche Informatik GmbH · Software Developer & Architect

Contributing to VW Group's central sales platform serving dealerships across 28+ countries for Audi, VW, Skoda, Seat, Cupra, and Porsche brands.

- 2 years SFO1 team: Stocklist, Add-Ons, Buildability & Actuality Check, Salesperson Management, Performance Board, Vehicle Management, Contract Broker, Sales Folder
- 2+ years SFO4 team (ongoing): Multi-Currency, Special Tax, Porsche Vehicle Integration, DocFlow Integration, Selections, Datahub
- ½+ year SWP team (ongoing): Legacy sales application Italy – Bug fixing, security/regulatory features, maintenance until migration 2027
- 2+ years Technical Architecture Team (ongoing): Cross-domain team defining overall system architecture

Tech: Angular, Java, Spring Boot, Oracle SQL, Redis, Solr, SOAP, REST API, AWS

2021 – 2023

GigE Vision Linux Driver – High-Speed Camera Interface

PLC2 Design GmbH / Mercedes-Benz & Bosch · Lead Developer

Developed high-performance Linux kernel driver for industrial camera systems used in automotive production.

- Achieved 40 Gbit/s data throughput with zero packet loss and minimal CPU usage
- Implemented kernel-space driver with optimized kernel-to-userspace data transfer
- Collaborated with PLC2 hardware/FPGA team and 20+ Mercedes/Bosch engineers

Tech: C, Linux Kernel, GigE Vision

2020 – Present

IHK eFaktura – Electronic Invoice Management

IHK Schwaben · Team Lead & Developer

Leading development of electronic invoicing system for IHK member companies.

- Led team of 3 developers building invoice management and SOAP integration
- Integrated with existing IHK backend infrastructure for seamless data exchange
- Ongoing maintenance: security updates, performance optimizations, and bug fixes

Tech: Angular, Java, Spring Boot, MySQL, SOAP

2020 – Present

IHK Themen – Exam Topic Management

IHK Schwaben · Team Lead & Developer

Leading development of exam topic submission and management platform for apprenticeship exams.

- Built complete workflow for exam topic submission, review, and approval
- Shares backend infrastructure with eFaktura; custom Angular frontend
- Ongoing maintenance: security updates, performance optimizations, and bug fixes

Tech: Angular, Java, Spring Boot, MySQL, SOAP

2020 – Present

LiPAD – Portable Precision Alignment App

LITEF GmbH (Northrop Grumman) · Developer

Native Android app for portable inertial measurement device used in precision surveying (e.g., oil drilling).

- Built complete Android app with real-time 3D orientation visualization (pitch, roll, azimuth)
- Implemented Bluetooth LE connectivity, offline project management, and CSV export
- Published on Google Play; ongoing maintenance for security and feature updates

Tech: Android, Java, Bluetooth LE

2020

PGC-1000 – High-Speed Grabber Card Software

PLC2 Design GmbH · Developer

Software development for PCIe-based grabber card used in automotive data acquisition.

- Adapted existing GigE Vision driver (from Athena/Mercedes project) for PGC-1000 hardware
- Developed Qt control application for capture configuration, stream monitoring, and image conversion
- Achieved 40 Gbit/s throughput with ~0% CPU load via DMA transfers

Tech: C, Qt, Linux, PCIe, DMA

2019 – Present

Promonco – Enterprise Project & Time Management

twiceD Technology GmbH · Lead Developer & Team Lead

In-house developed SaaS platform for project management, time tracking, and business analytics.

- Led core team of 4 developers (8+ total contributors) building full-stack platform
- Implemented LDAP integration, DATEV export, and MS Access data migration
- Deployed internally at twiceD offices; served external customers as SaaS
- Ongoing maintenance: security updates, performance optimizations, and bug fixes

Tech: Java, Spring Boot, Angular, MySQL, Python, Docker, LDAP, DATEV

2019 – 2021

FPGA Conference Europe – Registration & Booking System

PLC2 GmbH · Backend Developer

Conference registration platform for Europe's leading FPGA developer conference (500+ attendees).

- Developed Spring Boot backend: registration flow, session booking, payment processing
- Implemented real-time seat management, waitlist handling, and conflict detection
- Platform served conference successfully for 3 consecutive years

Tech: Java, Spring Boot, MySQL, REST API

2019 – 2020

IHK Zeugnischeck – Certificate Verification Portal

IHK Schwaben / IHK München · Developer

Joint development with IHK München for digital verification of vocational training certificates.

- Built secure verification system for employers to validate apprenticeship certificates
- Collaborated with IHK München development team on shared platform architecture

Tech: Angular, Java, Spring Boot, MySQL

2018

4NEEDS – Influencer ICO Platform

4NEEDS · Blockchain Developer

Developed an ICO platform for influencer marketing based on Blockchain technology.

- Smart contract development for token issuance and trading
- Full-stack development: Angular frontend, Java backend, Python services
- Integration of Blockchain SDK for wallet management and transaction processing

Tech: Blockchain, Angular, Java, Python

2017

Obsidian – Embedded OS & Drivers

PLC2 Design GmbH · Embedded Developer

Developed complete embedded Linux system for PLC2 hardware with bootloader, kernel, and drivers.

- Yocto-based Linux image with custom kernel and device tree for Xilinx Zynq
- Developed kernel drivers for FPGA communication and hardware interfaces
- Bootloader configuration (U-Boot) and boot optimization for fast system startup

Tech: Yocto, C, Python, Linux Kernel, U-Boot, Device Tree

2015 – 2017

baseCON – Smart Home & Assisted Living System

KUNDO xT GmbH · Developer & Architect

Co-architected Z-Wave certified smart home platform for elderly care, deployed in housing cooperatives across Germany.

- Co-designed system architecture for embedded Linux gateway (RaspberryPi → ODROID-C2)
- Developed core backend in Java/OSGi: rule engine, alarm system, MQTT cloud integration
- Led Z-Wave certification for 4-button companion device; supported baseCON hub certification
- Integrated Z-Wave, HomeMatic, SML, M-Bus protocols into unified control layer

Tech: Java, OSGi, Angular, Python, C, MQTT, Z-Wave, Yocto

2015 – 2017

SafeGuard Solutions – Mobile Emergency System

SafeGuard Solutions GmbH · Android Developer

Developed a mobile emergency system with BLE beacons for indoor localization of at-risk individuals.

- Native Android app with Bluetooth LE beacon scanning and trilateration for positioning
- Integration of push notifications and backend communication for real-time alerting
- Optimized power consumption for continuous background BLE scanning
- Integration with external systems for alarm forwarding and data exchange

Tech: Android, Java, Bluetooth LE, REST API

2014 – 2015

Elaborated Networks – JSON RESTful API for WireGate

Elaborated Networks GmbH · Backend Developer

Developed RESTful API for WireGate smart home gateway to integrate various building automation protocols.

- JSON-based REST API for KNX/EIB device control and configuration
- Integration with existing Python backend of WireGate system

Tech: Python, REST API, JSON, KNX/EIB

2013 – 2014

myHOA – Smart Home Startup

Own Startup · Co-Founder

Co-founded and led technical development of a smart home startup with custom gateway and integrated home automation.

- Custom embedded Linux gateway (Yocto) with multi-protocol support (Z-Wave, EnOcean, DigitalSTROM, M-Bus, HomeMatic, ZigBee)
- Complete development from hardware selection to backend to Android app (focus: backend)

Tech: Yocto, C, Python, Android, REST API

2011 – 2012

Visioneering – EnOcean Integration into DigitalSTROM

Visioneering AG · Software Developer

Integration of EnOcean wireless protocol into DigitalSTROM ecosystem as wrapper for virtual DigitalSTROM devices.

- Protocol integration: EnOcean sensors mapped as virtual DigitalSTROM devices
- Developed virtual DSM (DigitalSTROM-Meter) to integrate EnOcean devices into DigitalSTROM system
- Custom web UI for configuration and management of EnOcean devices

Tech: C++, Python, JavaScript, HTML, EnOcean, DigitalSTROM

Employment

2018 – Present

twiceD Technology GmbH

Managing Director & Software Developer

2015 – 2018

Ingenieurbüro Deusing GbR

Managing Director & Software Developer

2015 – 2017

Hochschule Furtwangen

Academic Staff & Lecturer (Part-time)

2010

Volkswagen de México

Software Developer Intern

2009 – 2012

Studentenwerk Freiburg, Furtwangen

Network Administrator (volunteer)

2009 – 2010

IT Data Center Furtwangen

Software Developer (student assistant)

Education

2014

Hochschule Furtwangen University

Master of Science – Computer Science

Thesis: Coordination and Combination of Heterogeneous Technologies in Smart Home Context (Grade: 1.0)

2012

Hochschule Furtwangen University

Bachelor of Science – Computer Science

Thesis: Homogenization of Building Automation via TCP/IP (Grade: 1.3)

Certifications & Publications

2013

Peer-reviewed Publication – Investigation of the Peer-to-Peer Web Standard WebRTC

InformatikJournal (2013), Hochschule Furtwangen University, pp. 23-32. ISBN: 978-3-00-0443221-3

2010

ITIL Version 2 Foundation Examination

Awards

2014

Baden-Württemberg Goes Mobile – Winner

Category: Mobile Housemate 2.0

2013

Elevator Pitch BW Regional Cup – Winner

Südschwarzwald Region

Languages

German — Native English — Fluent Spanish — Fluent Portuguese — Intermediate French — Basic