Jules Spender
Senior Backend Engineer at Back Market
New York, New York, United States
Summary
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Senior🎓
Top SchoolJules Spender is a Senior Backend Engineer based in New York with nine years of experience building production systems across logistics, commerce and energy domains. At Back Market he has driven high-impact initiatives—launching global flash sales, gift cards, a partnership with iFixit, and enabling the company's first brick-and-mortar shop—while modernizing a Django monolith and building new FastAPI microservices for shipping and logistics. Earlier roles bridged data science and engineering at ENGIE and AI-driven SaaS at WiserSKILLS, giving him strong grounding in ML, analytics and full-stack development. A 42 Paris graduate with cross-campus experience at 42 Silicon Valley, he blends hands-on backend engineering with data-informed product thinking. Colleagues value his ability to extract legacy functionality safely while shipping customer-facing features that move business metrics.
9 years of coding experience
6 years of employment as a software developer
EpitechBaccalauréat Scientifique, Baccalauréat Scientifique at L'École MaigretExpert in Information Technologies Software Engineering, Expert in Information Technologies Software Engineering at 42 Paris(Campus Exchange) Software Engineering - Data Science, (Campus Exchange) Software Engineering - Data Science at 42 Silicon Valley
Stackoverflow
58reputation
8kreached
4answers
2questions
Github Skills (42)
structures9
crossword7
statistics7
neuroscience7
algorithmic-trading6
scikit-learn6
neuroimaging6
python6
forloop6
loops6
dataframe6
pandas6
visualization6
voice5
vui5
Programming languages (7)
Github contributions (5)
SpenderJ/Computor
Apr 2019 - May 2019
42 2019 - Algorithmic project ComputorV1
Contributions:38 commits, 2 PRs, 35 pushes in 28 days
pytorchpythondeep-learningcomputer-visionmachine-learning
SpenderJ/spenderj.github.io
May 2019 - May 2019
Personal blog, using Hugo framework, sharing a few things about me
Contributions:22 commits, 18 PRs, 40 pushes in 2 days
hugo
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