Algorithms Optimisation Expert - Research Department


  • Job Type: Full-Time
  • Function: Data Science
  • Post Date: 03/23/2021
  • Website:
  • Company Address: Building 4.8, Professor Racah Givat Ram Campus, Jerusalem, 91904

About Lightricks

Lightricks was founded in 2013 by five entrepreneurs from the Hebrew University of Jerusalem, four of them CS PhD students. Based in Israel with offices in London and Germany, the company has grown from five founders to a team of over 300.

Job Description

Lightricks creates award-winning apps - in the field of image, sound and text processing - used by hundreds of millions of content creators all over the world.

We develop apps based on cutting-edge research. Our algorithms optimization team transfers this research to efficient code. To tackle the most complex computational tasks on mobile devices we use GPUs, SIMD instructions and various low-level optimizations.

If you are looking for an opportunity to control code at the instruction-level, while being exposed to state-of-the-art research in computer vision and machine learning - we’d love to hear from you!


  • Provide optimized implementations of computer vision and machine learning algorithms leveraging GPGPU and other acceleration technologies.
  • Build infrastructure for company’s computational tasks including Neural Networks and Numerical Computing.
  • Guide product development teams with integration of new research results.
  • Write clean, efficient code that is easy to understand, test and maintain.


Minimum qualifications:

  • Extensive knowledge of C/C++
  • Experience in implementing applied math algorithms.
  • Experience in low-level optimisations and algorithm parallelisation.
  • Knowledge of CPU/GPU architectures.
  • Curiosity in benchmarking, debugging and optimising code.

Preferred qualifications:

  • Experience with GPGPU (Cuda, Metal, OpenCL).
  • Python knowledge.
  • Familiarity with packages like OpenCV, dlib, Eigen, TensorFlow.
  • Extensive Android development experience.

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Disclaimer: Local Candidates Only
This company does NOT accept candidates from outside recruiting firms. Agency contacts are not welcome.