I am a scientific software engineer at [S&T](https://www.stcorp.nl/) where I work on High-Tech consultancy projects. Previously I was a Postdoctoral Researcher at Leiden University. I helped to develop the LOFAR-VLBI pipeline which powers the highest resolution astronomical imaging at low frequencies. I completed my PhD at Durham University in 2024. You can view my research publications here - ADS Search.

Contact me at jwpetley(at)gmail.com

I have several blogs on this website based on my PhD research and small programming projects. Please get in contact for any project ideas, job enquiries or just to have a chat about black holes or programming.

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