Jigsaw B.V. is managed by Sidney Cadot (owner, founder) and Denis de Leeuw Duarte (owner).

Jigsaw B.V. brings extensive experience with a broad range of technologies to projects in R&D, government, and industrial settings.

Track Record

Our track record includes a wide variety of projects for leading organisations in the Dutch and European technology sectors:

  • Calibration of space-borne instruments
  • Embedded systems
  • System health management software
  • Unix/Linux software development
  • Advanced algorithmics
  • Signal processing
  • Genomic data analysis
  • Analysis and visualisation of scientific data
  • High performance computing
  • Design and maintenance of relational databases
  • Designing, implementing, testing, and documenting large software projects


We offer hands-on experience with many important technologies:

  • High-level languages: C, C++, Java, Python
  • Assembly-level: 6502, 68000, PowerPC, x386
  • Data analysis and mathematics: Matlab, IDL, Mathematica
  • User interface design: Qt
  • Version management: CVS, Subversion, Mercurial
  • Relational DBMS: MySQL, PostgreSQL
  • Web technology: Apache ; Django
  • FPGA: Xilinx; VHDL
  • Microcontrollers: Atmel AVR microcontrollers
  • Visualisation: OpenGL; OpenDX
  • Parallel programming: GPU (CUDA); MPI


Last updated: February 10, 2016.