Jean Hascoët

Unavailable

About



Full-stack Lead Developer (10+ years of experience), specialized in Angular, Spring Boot, Node.js, and AWS. Expert in scalable, real-time, and microservices architectures, I support teams in the design, development, and technical leadership of critical projects. 🚄 TGV-M: real-time monitoring system controlling all TGV-M trains in service. 🚉 SNCF Voyageurs: national on-call/incident management system used by SNCF Voyageurs (10,000+ users). 🤖 Crypto HFT: high-frequency trading tools + PnL dashboards + real-time monitoring. 🏦 Société Générale: RFQ/RFE orchestrators, microservices load balancing, NLP tool for market data. 🇬🇧 Fluent in English

Full-Stack Developer / Team Lead


  • Birthday:21 Nov 1992
  • Phone:0685852238
  • City:Nantes, France
  • Degree: Master
  • Email:jean@hascoet.dev
  • Status:Unavailable

Resume

Skills

Education

Polytech Nantes

2012 - 2015

Graduate school of engineering in Computer Science - France

IUT of Nantes

2010 - 2012

Two-year university diploma in Computer Science - France

Professional Experience

Lead Developer

2023-03 - Present

SNCF, Nantes

Training former railwaymen to the web development profession and leading projects - Java, Spring Boot, Angular, MongoDB, Kafka.

  • Designing, developing and leading the real-time monitoring system for the new TGV-M.
  • Designing, developing and leading the on-call system for SNCF Voyageurs.
  • Anmating workshop with back to front technologies.

Full Stack Developer

2020-07 - 2023-02

Nibbio, Hong Kong

Developing and leading trading, analytics and monitoring tools in a cryptocurrency HFT firm - Angular, Spring Boot, NestJS, Node.js, AWS, MongoDB.

  • Trading tools to hedge delta, transfer cryptocurrency, pass an order, see real time trades, etc.
  • Monitoring tools to deploy, rollback, display logs and status from a web UI.
  • Analytic tools to aggregate, display and update reports dynamically through a web UI with a python editor.
  • Execution tools to pass orders with different strategies on CEX and DeFi.
  • Trading and analytics tools on DeFi/web3 by providing portfolio management, PnL visualization, transaction automations, etc.
  • Trading algorithm implementations and support.

Full Stack Developer

2020-03 - 2020-06

BFAM Partners, Hong Kong

Developing RFQ message based pricer through symphony chats between sales and traders in a hedge fund - Spring Boot, React, FastAPI

    Front Office Developer

    2016-09 - 2020-02

    Société Générale, Hong Kong

    Developing tailor made load balancing microservices for equity derivatives desks in agile methodology with continuous integration and delivery - Java, Kotlin, SpringBoot, AngularJS, Jenkins

    • Building from scratch a system centralizing corporate actions and transcodifications, with historic, from different sourceswith the use of batch applications.
    • Developing pre-trade and post-trade tools for exotic products. Creation of RFQ/RFE orchestrators routing to the right pricing/execution/booking system according to the request (Spring State Machine).
    • Historical market data analysis tool created from scratch (worldwide app), based on NLP with a search bar. The user can search for a market data (e.g. "vol 110% 3m nky - 90%") and plot a graph with a python editor generated so that he can edit the code and compute/plot whatever he wants from it by using, for example, pandas library.
    • Volatility/dividend/repo marking tool. Volatility traders can add stocks and compute volatilities/repos/dividends with various kind of algorithms created by quant, visualize graphics, adjust parameters and insert data in global systems.

    SAP Functional Consultant

    2015-09 - 2016-08

    Accenture, Nantes, France

    Working for a public service company and maintaining its SAP finance system.

    • Direct communication with the customer.
    • Understanding of use cases and transforming them into logical and technical views.
    • Managing deliveries and transferring the know-how to the customer.