Ioannis Kaliakatsos - Algorithm Developer for Gearboxes

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Wallisellen, Switzerland

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Experience

May 2022 - Present

4 years 4 months

Wallisellen, Switzerland

Algorithms Development Expert, Research & Development

Reishauer AG

Mathematical specification and definition, analysis and software development of the skiving cutter tool motion planning within the skiving machine for simultaneous and sequential gear flank processing
Twist-free topological manufacturing
Workpiece flank line modifications
Workpiece flank line and profile corrections
Workpiece tooth thickness deviations
Computer vision algorithms for automatic wear detection of the skiving cutter tool
Software development for corrections of the machine kinematics for the profile grinding product series, including twist-free grinding
Software development for corrections of the machine kinematics, quality measurement and evaluation for the slot grinding product series
Performance analysis and continuous improvement of internal design tools (RTDesign)
Tools used: C#, .NET, TeamCity, git, PostgreSQL, MySQL

Nov 2019 - Apr 2022

2 years 6 months

Wallisellen, Switzerland

Algorithms Development Engineer, Research & Development

Reishauer AG

Mathematical definition, analysis and software development of geometry related algorithms for the skiving product line
Geometry of cylindrical workpieces, including modifications
Geometry of skiving cutting tools
Tools used: C#, .NET, TeamCity, git, PostgreSQL, MySQL

Nov 2017 - Oct 2019

2 years

Wallisellen, Switzerland

Software Engineer, Machine Control Software

Reishauer AG

Development of calculations related to geometry of cylindrical and beveloid workpieces, grinding wheels and dressing tools
Motion planning of the grinding wheel relative to the workpiece
Gear quality measurements and evaluation of the results
Tools used: C#, .NET, TeamCity, svn, PostgreSQL

Jan 2014 - Oct 2017

3 years 10 months

Bubikon, Switzerland

Simulation Engineer, Computational Engineering

KISSsoft AG

Determined mathematical models, developed algorithms and implemented software for engineering problems
Non-linear deformation analysis of multiple connected shafts, including thermal effects and rolling bearing clearance
Non-linear stiffness analysis of rolling bearings with rigid and elastic rings
Elastic contact analysis of plane (2D) bodies having arbitrary profile geometry
Detection of independent and dependent closed-loops in graph models
Non-linear regression of arbitrary functions
Calculation of gear shifting synchronisation duration in automotive gearboxes
Developed high-performance in-house libraries for linear algebra, sparse matrix solvers, and interfaces to third-party mathematical libraries
Defined, implemented and managed the product’s cross-platform software development
Tools used: C, C++, OpenMP, Intel Math Kernel Library (MKL), Intel Parallel Studio XE

Feb 2010 - Dec 2013

3 years 11 months

Bubikon, Switzerland

Mechanical Engineer, Machine Element Design

KISSsoft AG

Implemented engineering design requests from customers: verification of an excavation machine gearbox (600 kW); 5-stage gearbox optimization with respect to safety, weight and size; 3-gear chain sizing made of plastic; gear profile optimization with respect to transmission error for a wrist watch
Developed strength and lifetime calculations for machine elements of industrial gearboxes according to industry standards (DIN, ISO)
Service life calculation of rolling bearings
System transmission error calculation of planetary gear drives
Provided second-level support and troubleshooting of customer questions
Served as software training instructor in seminars (internal and external)
Ported parts of the product to an iOS application (Hardness Conversion)
Tools used: C, C++, Qt, OpenGL, cmake, gcc, Visual Studio

Oct 2006 - Dec 2009

3 years 3 months

Zürich, Switzerland

Research Assistant, Mechanical and Process Engineering

Swiss Federal Institute of Technology, Zurich

Developed a mechatronic vehicle for internal control inspection of the beam screen of the Large Hadron Collider at CERN: led interdisciplinary design group, feasibility analysis of wireless powering methods with microwave radiation, design concept of the robot device
Investigated wireless powering methods for medical microrobots, researching mechanical and physical properties of human body systems
Provided lab support to Computer Science, Mechanical and Electrical Engineering students as Teaching Assistant
Supervised MSc. and semester projects

Aug 2004 - Sep 2004

2 months

Laurium, Greece

Summer Intern

Public Power Corporation S.A.

Investigated alternative gas turbine loading scenarios for fuel savings at Combined Cycle Power Plant IV in Lavrion, Greece resulting in 3 million yearly savings

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Manufacturing, Automotive, Education, and Healthcare.

Manufacturing

Automotive

Education

Healthcare

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Product Development, Research and Development, Project Management, Information Technology, Customer Service, and Quality Assurance.

Product Development

Research and Development

Project Management

Information Technology

Customer Service

Quality Assurance

Skills

Technical Programming: C/C++/C#/Obj-C, Swift, Qt, Opengl, Intel Mkl, Parallel Studio Xe, Openmp, Gcc, Matlab/Simulink, Mathematica, Fortran, Assembly
Ide: Ms Visual Studio, Xcode, Cmake, Qt Designer
Cad/Cae: Solidworks, Unigraphics, Ansys, Maxwell, Comsol Multiphysics, Spice
Operating Systems: Macos, Linux, Windows
Machine Shop: Lathe, Mill, Drill, Soldering

Languages

Greek

Native

German

Advanced

English

Advanced

Education

Oct 2006 - Dec 2009

Swiss Federal Institute of Technology

Doctoral Program Courses · Mechanical and Process Engineering · Zürich, Switzerland

Sep 2001 - Jun 2006

National Technical University of Athens

Master of Science · Mechanical Engineering · Athens, Greece

Matura

Certifications & licenses

Continuing Power Skiving, 4th Professional Seminar

Fraunhofer IWU, Germany

Deep Learning Specialization

deeplearning.ai, USA, online

Machine Learning

Stanford University, USA, online

Automotive Gearboxes: Theory And Applications

Bubikon, Switzerland

Intel HPC Code Modernization Workshop

Zurich, Switzerland

Frictional Losses In Rolling Bearings

KISSsoft AG, Switzerland

How To Write Fast Numerical Code

ETH Zurich, Switzerland

Qt Developer Days

Munich, Germany

VDI Wissenforum In The Wind Energy Industry

Hannover, Germany

Statistics

Experience

Total positions 7

Experience in Manufacturing 16.5 y

Avg length 2 y 9 m

Longest experience 4 y 3 m

Global Experience

Countries worked in 2 (Switzerland, Greece)

Primary country Switzerland

Expertise

Recent roles Algorithms Development Expert, Research & Development, Algorithms Development Engineer, Research & Development, Software Engineer, Machine Control Software

Main industries Manufacturing, Automotive, Education

Main business areas Product Development, Research and Development, Project Management

Qualifications

Highest degree Master

Certifications earned 9

Profile

Created

January 2026

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Frequently asked questions

Have questions? Find more information here.

Ioannis is based in Wallisellen, Switzerland and prefers 100% remote projects.

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

Ioannis has at least 20 years of experience. During this time, Ioannis has worked in at least 7 different roles and for 4 different companies. The average length of individual experience is 3 years and 10 months. Note that Ioannis may not have shared all experience and actually has more experience.

Based on recent experience, Ioannis would be well-suited for roles such as: Algorithms Development Expert, Research & Development, Algorithms Development Engineer, Research & Development, Software Engineer, Machine Control Software.

Ioannis's most recent position is Algorithms Development Expert, Research & Development at Reishauer AG.

In recent years, Ioannis has worked for Reishauer AG.

Ioannis is most experienced in industries like Manufacturing, Automotive, and Education. Ioannis also has some experience in Healthcare and Utilities.

Ioannis is most experienced in business areas like Product Development, Research and Development, and Project Management. Ioannis also has some experience in Information Technology, Customer Service, and Quality Assurance.

Ioannis has recently worked in industries like Manufacturing.

Ioannis has recently worked in business areas like Product Development and Research and Development.

Ioannis holds a Master in Mechanical Engineering from National Technical University of Athens and a Bachelor in Mechanical and Process Engineering from Swiss Federal Institute of Technology.

Ioannis has 9 certificates. Among them, these include: Continuing Power Skiving, 4th Professional Seminar, Deep Learning Specialization, and Machine Learning.

Ioannis is immediately available for suitable projects.

Daily Rate Distribution

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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

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Daily rate avg. 960 €

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1000

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Median rate 960 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.