Recommended expert

Alexander Willer

Freelance Head of Development / Strategy Consultant

Alexander Willer
Hamburg, Germany

Experience

Nov 2022 - Apr 2023
6 months
Berlin, Germany

Freelance Head of Development / Strategy Consultant

LabMaker GmbH

  • Consulting on a variety of open science hardware projects in electronics, mechatronics and optoelectronics
  • Comprehensive system analysis and DFM optimization of an innovative open hardware miniaturized two-photon microscope
  • Collaboration with scientists from renowned academic institutions to align the client's work optimally
  • Manufacturing coordination with local and international partners for PCB assembly, CNC machining and optics
  • Process analysis for product design, production planning/execution, product lifecycle and product data management
  • Coaching staff from all departments on requirements that complex technical products place on business processes
  • Development of a comprehensive PLM & PDM concept tailored to the needs of development and manufacturing
  • Encouraging intensive and direct cross-departmental exchange to identify improvement potentials
  • Planning shop floor layout improvements with the production team and supporting the implementation process
  • Efficient onboarding of two new English-speaking colleagues in technical product management and development
  • Ad-hoc and in-depth training of staff in using software tools like KiCad or Autodesk Inventor
  • Advising on long-term development into a scalable, stronger partner in the open science hardware community
Mar 2022 - Present
4 years
Hamburg, Germany

Automation & Mechanical Engineering Developer / Managing Director

BitSelect Systems GmbH (own company)

  • Establishing the structural foundations for PCB manufacturing, specifically in component management
  • Designing and building a pick-and-place machine based on a SCARA industrial robot
  • Assembling, testing and commissioning the pick-and-place machine, planning and making necessary adjustments
  • Software integration of the machine with OpenPnP, customizing and extending the Java-based software
  • Evaluating additive manufacturing methods (FDM, HP MJF, SLA, SLS) for producing complex mechanical parts
  • Development, manufacturing and testing of electronic assemblies
  • Planning and execution of extensive procurement (around 40 individual orders)
Oct 2021 - Mar 2022
6 months
Hamburg, Germany

Freelance IT-Administrator

SSW-Trading GmbH

  • Rollout, operation and debugging of infrastructure and services on AWS using Terraform and Kubernetes/EKS
  • Technical support for test trading in new markets in collaboration with the development team
  • Quick diagnosis and resolution of trading disruptions, sometimes as part of on-call duty
  • Further development of various processes around Microsoft 365 (especially Exchange, AAD)
  • Analyzing existing system configurations and mapping them into Ansible playbooks
  • Creating and revising documentation for processes and infrastructure
  • Designing and implementing an onboarding guide to convey the technical aspects of the trading systems
  • Working in an agile team integrated into existing processes for work package management
Apr 2021 - Oct 2021
7 months
Hamburg, Germany

Electronics Developer / Managing Director

BitSelect Systems GmbH (own company)

  • Identifying demanded key features for a new retro-gaming electronics product in the consumer segment
  • Feasibility study and preliminary planning for implementing key features and design aspects
  • Schematic and PCB development of a tightly integrated multi-board system
  • Supply chain analysis of required components considering the cost sensitivity of a consumer product
  • MCAD co-design to achieve a highly compact form factor without compromising other product features
  • BOM management, component sourcing and design adjustments to address the challenging component market situation
  • Finalizing the design, generating production data and manufacturing initial prototypes
Feb 2020 - Dec 2020
11 months
Frankfurt an der Oder, Germany

Freelance IT Solution Architect

Landesvermessung und Geobasisinformation Brandenburg (LGB)

  • Designing, implementing and documenting a high-availability database solution for a statewide geo-portal
  • Reviewing and improving a configuration management system
  • Long-term stand-in for the lead Linux administrator as well as diagnosing and fixing issues
  • Coordinating upgrades and modifications in heterogeneous staging environments
  • Supporting departments by evaluating and implementing technical requests
  • Developing and presenting a strategic outlook for introducing a container-based microservice architecture
Feb 2014 - Feb 2020
6 years 1 month
Hamburg, Germany

Embedded Systems Developer

Schäfter + Kirchhoff GmbH

  • Product concept development, feasibility studies, and specification creation
  • Development of systems with multiple high-speed, high-density PCBs under tight mechanical/thermal constraints
  • Design for Manufacturing and coordination of prototype production with EMS providers
  • FPGA and embedded software design, architecture planning & implementation
  • Hardware/software tooling evaluation, workflow development, and introduction of DevOps tools and processes
  • Project planning of custom optical measurement systems in the field of electromechanics and drive technology
  • Leading challenging development projects
  • Technical leadership of two English-speaking team members
Jun 2013 - Jun 2013
1 month
Hamburg, Germany

Software Development Intern

Neusoft Technology Solutions GmbH

  • Development of an OpenGL-based map data viewer in C# as part of a test evaluation framework
  • Integration of the map data viewer into the main branch of the software
Aug 2011 - Jan 2014
2 years 6 months
Hamburg, Germany

Apprentice IT Specialist for System Integration

atrias personalmanagement GmbH

  • IT administration in a mixed Linux/Windows environment
  • Diagnosing and resolving network and application issues
  • Improving processes and infrastructure
  • Implementing the UC solution Microsoft Lync
  • Supporting the migration of all IT systems to DIS AG
  • Developing software for simplified creation of job postings according to corporate identity
  • Developing a mobile version of the company website
Jul 2010 - Jul 2011
1 year 1 month
Hamburg, Germany

Mechatronics Production Technician

Schäfter + Kirchhoff GmbH

  • Assembling electronic and mechanical modules
  • Initiating process improvements to increase production efficiency and product quality
  • Supporting custom special projects
Feb 2010 - May 2010
4 months
Quickborn, Germany

Electronics Technician in Special Machine Construction and Automation Technology

RaTec Strahlenmesstechnik GmbH

  • Designing a printed circuit board for a detector pulse simulator to test radiation detectors
  • Evaluating CANopen-based I/O modules
  • Installing and programming a PLC-based door speed limiter for extremely heavy doors
  • Assisting assembly in special purpose equipment construction

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Manufacturing (11.5 years), Professional Services (3 years), Government and Administration (1 year), and Banking and Finance (0.5 years).

Manufacturing
Professional Services
Government and Administration
Banking and Finance

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Product Development (13 years), Production (11 years), Project Management (6 years), Quality Assurance (5 years), Procurement (4.5 years), and Information Technology (3.5 years).

Product Development
Production
Project Management
Quality Assurance
Procurement
Information Technology

Skills

Core Competencies

  • Embedded Systems (Arm, Fpga, C/c++, Rtos)
  • Cloud Technology (Linux, Devops, Containers, Iot)
  • Pcb Design (Altium, Kicad, Hyperlynx)
  • Mechatronics (Cad, Motion Control, Optoelectronics)

Personal Success Factors

  • Creative, Resourceful Problem Solving
  • Persistence Until A Solution Is Found
  • Fast Grasp Of Abstract Concepts
  • Targeted Communication With All Audiences

Information Technology – Networks

  • Ethernet Standards
  • Layer 2 Infrastructure
  • Link Aggregation, Mlag
  • Vlan
  • Layer 3 Topology
  • Static Routing
  • Firewalls, Nat
  • Ipv6 Basics
  • High Availability
  • Load Balancing
  • Dns
  • Network Troubleshooting

Information Technology – Services & Technologies

  • Virtualization
  • Containerization
  • Software-defined Storage
  • Hyperconverged Infrastructure
  • Microservice Architecture
  • Service Discovery
  • Metrics, Monitoring, Alerting
  • Log Collection
  • Configuration Management
  • Web Servers And Apis
  • Message Queuing
  • Rdbms, Tsdb
  • Vpn
  • Pki
  • Reverse Proxies

Information Technology – Linux Distributions

  • Debian / Ubuntu
  • Centos / Fedora
  • Arch Linux
  • Proxmox Ve
  • Vyos
  • Pfsense
  • Freepbx
  • Raspbian
  • Openwrt

Information Technology – Linux Software

  • Qemu
  • Virt-manager
  • Libvirt
  • Docker
  • Docker Compose
  • Podman
  • Kubernetes
  • Consul
  • Ansible
  • Saltstack
  • Puppet
  • Zfs (Zol)
  • Ceph, Rbd
  • Iet, Scst (Iscsi)
  • Smbd
  • Nfs
  • Networkmanager
  • Open Vswitch
  • Rsync
  • Dm-crypt
  • Smartmontools
  • Fio
  • Iotop
  • Ncdu
  • Ip
  • Iptables
  • Firewall-cmd
  • Ethtool
  • Tcpdump
  • Traceroute
  • Iperf / Iperf3
  • Sshfs
  • (C)fdisk / (C)gdisk
  • Dd, Ddrescue
  • Dig
  • Systemd
  • Grub2
  • Ssh
  • Bash, Zsh
  • Tmux
  • Atop
  • Htop
  • Bind
  • Cups
  • Haproxy
  • Freeipa
  • Node-red
  • Mosquitto
  • Cups
  • Apache2
  • Tomcat
  • Node.js
  • Postgresql
  • Pgpool
  • Mariadb
  • Influxdb
  • Prometheus
  • Telegraf
  • Grafana

Development Tools

  • Visual Studio Code
  • Visual Studio
  • Vim
  • Eclipse
  • Git
  • Gitlab
  • Gcc
  • Doxygen
  • Confluence
  • Jira
  • Wireshark
  • Mqtt.fx
  • Latex
  • Pgadmin 4
  • Mysql Workbench
  • Draw.io

Microsoft Products

  • Windows 7, 8, 10
  • Server 2008 R2, 2016, 2019
  • Remote Desktop Services
  • Active Directory
  • Dns / Dhcp
  • Hyper-v
  • Exchange
  • Print Services
  • Office

Other Software

  • Vmware Esxi
  • Vmware Vcsa
  • Splunk
  • Checkmk

Programming And Scripting Languages

  • Python
  • Shell Scripting
  • C#
  • Javascript
  • Html/css
  • Perl
  • C/c++
  • Assembly
  • Tcl
  • Systemverilog
  • Mathematica
  • Mitsubishi Melfa-basic Iv

Hardware – Electronic Assemblies

  • Circuit Design And Layout
  • Pcb Design
  • Power & Signal Integrity
  • Thermal Design
  • Mechanical Integration
  • Emc
  • Design For Manufacturing
  • Smt Assembly
  • Eda Library Management
  • Bom Management

Hardware – Protocols And Interfaces

  • Spi
  • Sdio
  • I2c
  • Rs232/422/485
  • Lvds
  • Axi4
  • Pcie
  • Xaui
  • Miim
  • Ethernet
  • Can
  • Canopen

Hardware – Technologies

  • Microcontrollers (Stm32, Avr, Microblaze)
  • Fpgas (Xilinx, Altera, Lattice)
  • Lpddr3 Ram
  • Smps
  • Adc/dac

Hardware – Simulation And Measurement

  • Circuit Simulation
  • Signal Integrity Simulation
  • Oscilloscope
  • Spectrum Analyzer
  • Logic Analyzer
  • Protocol Decoder
  • In-system Debugging
  • Data Acquisition

Hardware – Eda / Cad Tools

  • Altium Designer
  • Mentor Hyperlynx
  • Kicad
  • Autodesk Eagle
  • Saturn Pcb Toolkit
  • Ltspice
  • Rowley Crossworks
  • Xilinx Vivado
  • Intel Quartus
  • Yosys
  • Autodesk Inventor

Languages

German
Native
English
Advanced

Education

Mar 2015 - Jul 2017

Hamburg University of Applied Sciences (HAW Hamburg)

Electrical and Information Engineering · Hamburg, Germany

Feb 2012 - Jul 2014

G18 Vocational School

Technical college entrance qualification · Hamburg, Germany

Aug 2011 - Jan 2014

G18 Vocational School

IT specialist for system integration · Hamburg, Germany

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Alexander based?

Alexander is based in Hamburg, Germany.

What languages does Alexander speak?

Alexander speaks the following languages: German (Native), English (Advanced).

How many years of experience does Alexander have?

Alexander has at least 16 years of experience. During this time, Alexander has worked in at least 10 different roles and for 8 different companies. The average length of individual experience is 2 years and 7 months. Note that Alexander may not have shared all experience and actually has more experience.

What roles would Alexander be best suited for?

Based on recent experience, Alexander would be well-suited for roles such as: Freelance Head of Development / Strategy Consultant, Automation & Mechanical Engineering Developer / Managing Director, Freelance IT-Administrator.

What is Alexander's latest experience?

Alexander's most recent position is Freelance Head of Development / Strategy Consultant at LabMaker GmbH.

What companies has Alexander worked for in recent years?

In recent years, Alexander has worked for LabMaker GmbH, BitSelect Systems GmbH (own company), and SSW-Trading GmbH.

Which industries is Alexander most experienced in?

Alexander is most experienced in industries like Manufacturing, Professional Services, and Government and Public Administration. Alexander also has some experience in Banking and Finance and Information Technology (IT).

Which business areas is Alexander most experienced in?

Alexander is most experienced in business areas like Product Development, Production/Manufacturing, and Project Management. Alexander also has some experience in Quality Assurance (QA), Procurement and Purchasing, and Information Technology (IT).

Which industries has Alexander worked in recently?

Alexander has recently worked in industries like Manufacturing, Professional Services, and Banking and Finance.

Which business areas has Alexander worked in recently?

Alexander has recently worked in business areas like Product Development, Procurement and Purchasing, and Production/Manufacturing.

What is Alexander's education?

Alexander attended Hamburg University of Applied Sciences (HAW Hamburg) for Electrical and Information Engineering.

What is the availability of Alexander?

The availability of Alexander needs to be confirmed.

What is the rate of Alexander?

Alexander's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Alexander?

To hire Alexander, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Market avg: 830-990 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.