Elmar Zander
Freelance Software Engineer at Toptal
Lower Saxony, Germany
Summary
👤
Senior🎓
Top SchoolElmar Zander is a seasoned freelance software engineer and applied mathematician with 16 years of experience building research-grade and production systems across C++, Python, JavaScript and Ruby. He combines deep numerical and statistical expertise—Dr. rer. nat. in Applied Mathematics—with hands-on engineering, having implemented sparse regression, novel peptide-spectrum merging algorithms, and streamable q-value/posterior error probability calculators. His work spans full-stack product features (3D video walls, web-based 3D building modeling) and backend systems (Firebase, databases, trading systems), reflecting a rare blend of scientific rigor and practical engineering. Comfortable in research and startup settings, he repeatedly turns complex math into performant, maintainable code and has a track record of shipping prototypes into production through freelance engagements like Toptal. An understated strength is his longevity in academia and industry, which gives him both deep theoretical insight and pragmatic delivery skills.
16 years of coding experience
20 years of employment as a software developer
Diploma, Physics, Diploma, Physics at University of MünsterDr. rer. nat., Applied Mathematics, Dr. rer. nat., Applied Mathematics at Technische Universität Braunschweig
German, English
Stackoverflow
1,399reputation
704kreached
25answers
8questions
Github Skills (74)
python10
toolbox10
stochastic10
octave10
scientific-computing10
matlab10
scipy10
algorithms10
bioinformatics9
bdd8
test-framework8
semi-supervised-learning8
testing8
supervised-learning8
meta-analysis8
Programming languages (9)
Github contributions (5)
ezander/sglib
Aug 2009 - Jun 2021
Contributions:1141 commits, 1 PR, 36 pushes in 11 years 11 months
matlabtoolboxgalerkinstochasticoctave
btdevel/btvc
Dec 2022 - Feb 2025
Bards Tale Video Chat
Contributions:12 PRs, 28 pushes, 17 branches in 2 years 2 months
video-chatchatvideotale
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