ODolivier delfosse
@olivierdelfosse
Senior Blockchain & Fullstack Developer with expertise in web applications.
FranceWhat I'm looking for
I am a Senior Blockchain and Fullstack Developer with a passion for building and scaling web applications. My journey has taken me from developing large-scale machine learning models at Cdiscount to leading innovative projects at Request Finance, where I spearheaded the crypto-to-fiat initiative and deployed smart contracts that processed over $700 million in payments.
As the founder of Booklaxy, I created a mobile-first app that provides spoiler-free summaries and character relationship graphs. My technical expertise spans across various technologies including Next.js, Node.js, and GCP, enabling me to turn product ideas into robust, user-facing systems. I thrive in dynamic environments and am always eager to tackle new challenges that push the boundaries of technology.
Experience
Work history, roles, and key accomplishments
Solo Founder
Booklaxy & Collective Purchase App
May 2024 - Present (1 year 1 month)
Built Booklaxy.com, a mobile-first application offering spoiler-free summaries and character relationship graphs for books. Developed a group-buying web app MVP for dentists to access B2B discounts.
Blockchain/Fullstack Engineer
Request Finance
Feb 2022 - Present (3 years 4 months)
Led the development of a batch payment system, including smart contracts and UI, processing over $700M in on-chain payments. Spearheaded the end-to-end development of a crypto-to-fiat system, contributing to provider acquisition.
Blockchain Developer: Training and POC
Independent
Aug 2021 - Present (3 years 10 months)
Completed six certifications in blockchain development and built a decentralized carpooling Proof of Concept (POC) on the Polygon network. Gained hands-on experience in blockchain technology and decentralized application development.
Data Analyst & PMO
Sector Alarm
Feb 2021 - Present (4 years 4 months)
Analyzed conversion funnels to identify key areas for improvement and built comprehensive dashboards at the European level. Provided actionable insights to enhance business performance.
Senior Data Scientist
Cdiscount
Jun 2017 - Present (8 years)
Optimized an ad platform generating 15M€ annually and developed pricing tools for a catalog exceeding 2B€. Utilized advanced data science techniques to drive revenue and improve operational efficiency.
Consultant Data & Analytics
KPMG
Jun 2016 - Present (9 years)
Built various dashboards to visualize key financial data and automated financial reconciliation workflows. Streamlined processes to improve accuracy and efficiency in financial reporting.
Education
Degrees, certifications, and relevant coursework
A(Arts et Métiers ParisTech (ENSAM)
Master of Engineering, Information & Knowledge Systems
Specialized in Information & Knowledge Systems, gaining expertise in managing and leveraging complex data structures. Completed a comprehensive engineering curriculum.
CPGE – Saint-Stanislas
Preparatory Classes, Advanced Mathematics & Physics
Focused on advanced mathematics and physics, building a strong foundation in scientific principles and problem-solving. Prepared for competitive entrance exams to top engineering schools.
LWLe Wagon
Fullstack Bootcamp, Fullstack Development
Completed an intensive fullstack development bootcamp, acquiring practical skills in web application development. Gained hands-on experience with modern programming languages and frameworks.
Tech stack
Software and tools used professionally
Availability
Location
FranceAuthorized to work in
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