David Leslie
Software Engineer at Block
Melbourne, Victoria, Australia
Summary
🤩
Rockstar🎓
Top SchoolDavid Leslie is a software engineer with nine years of experience building high-availability payment systems and backend services across Europe and Australia. He’s transitioned from a PhD in Molecular Biosciences into production engineering roles, applying rigorous research habits to system design and reliability. David has delivered payment-processing and bookkeeping systems at Klarna, contributed as a contractor at Atlassian, and most recently joined Block after a short senior engineering stint at Qantas. He excels at architecting resilient services for financial domains and bringing scientific attention to observability and data integrity. Based in Melbourne, he blends deep analytical training with practical experience shipping mission-critical financial infrastructure.
8 years of coding experience
4 years of employment as a software developer
Microbiology, General, Microbiology, General at The Philipp University of MarburgBachelor of Science with Honours, Microbiology, Bachelor of Science with Honours, Microbiology at University of OtagoDoctor of Philosophy - PhD, Molecular Bioscience, Doctor of Philosophy - PhD, Molecular Bioscience at Stockholm University
German, English, Swedish
Github Skills (107)
java-native-interface10
nix10
ffi10
nixos10
linux10
reqwest10
erlang10
binding10
nixpkgs10
genbank10
compile10
erlang-nif10
emacs-lisp9
emacs9
wrapping9
Programming languages (12)
Github contributions (5)
dlesl/nixpkgs
Jun 2020 - May 2022
Nix Packages collection
Contributions:50 pushes, 33 branches in 1 year 11 months
nixosnix-packages
dlesl/b64_nif
Jan 2022 - Oct 2022
Fast base64 encoding and decoding for Erlang
Contributions:16 commits, 2 PRs, 9 pushes in 9 months
erlangdecodingencodingbase64base64-encoding
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