Thaddée Yann TYL

LinkedIn: Thaddée Y. TYL
𝕏: @espadrine
GitHub: espadrine


EXPERIENCE

Present
2019
Senior staff engineer, Core Banking expert at Qonto.

Involved in major projects (local IBANs, SWIFT transfers, Apple Pay, pricing changes, country-specific payment system integrations, financing solutions, …) and drove architectural improvements (payment-agnostic ledger, direct integration of frontend-facing payment services to core banking systems, common interfacing to nostro accounts, per-service data store separation, interservice communication…) across dozens of teams totalling over a hundred engineers.

Managed the company’s backend hiring tests and trained dozens of interviewers.
Standardized partner integration investigations in tech.
Managed the tech blog.

Helped leads, staff and senior staff engineers achieve better quality and velocity through systematized self-improvement.

2019
2018
Lead backend at Qonto.

Lead the creation of Qonto’s Core Banking System.
Worked on the ledger: authorizations, accounting, automated cash management and regulatory reporting. Payment systems integration: SEPA, Mastercard, cheques.

2018
2017
Full-stack developer at Qonto.
Microservice construction, API design, authentication, building features such as VAT handling and the registration flow.
2017
2014
Full-stack developer at Trainline (previously Captain Train).
Work on carrier integration (SNCF maintainer), backend APIs, protocol evolution, invoice generation, payment systems. Made the discount card store page across the stack.
Ember.js website, Ruby on Rails server.
2014 Initial author and maintainer of the Shields.io API, providing badges (esp. in SVG) for Travis CI, Coveralls, Gemnasium, many others.
Grew to >100 contributors, >20M users / month.
2013
2012
Master project at EPFL on Supervised learning of Scala coding style. Machine Learning and compiler work.
2012 Software Intern at Mozilla on the DevTools team. Worked on autocompletion of JS and CSS.
2013
2010
Project lead of TheFileTree, a collaborative, web-based file system in node.
Team of 6.
Wrote ScoutCamp, a full-stack Node.js framework.
2011 Intern at Esker Corp. Wrote an iPad app as a new front-end product.
2011 Co-founder of award-winning start-up Winker.fr, 20,000 members at its peak.
2010
2009
Wrote iDoc (Google Chrome extension that edits hypertext documents inside the browser). 1000 registered users.

EDUCATION

2013
2012
5th year at EPFL, Computer Science.
Distributed algorithms, information theory, foundation of software, machine learning, HCI.
2012
2010
3rd and 4th year at INSA de Lyon – Computer Science major.
C, C++, Java, SQL, Linux, computer networks.
2010
2008
First two years at INSA de Lyon, english section (classes in english).
Maths, physics, chemistry, thermodynamics, …
2008
2007
Intensive one-year University foundation course preparing for the competitive entrance examinations to "Grandes Écoles", at Lycée Sainte-Geneviève.
2007 Passed the scientific "Baccalauréat" diploma in Paris with the highest academic distinction, and a specialization in mathematics.

LANGUAGES