Antoine Letourneux

CTO as a Service

Salary / Daily rate

Paris, France

Freelance

Can come onsite

Skills

NodeMongoDBProduct ManagementSQL databasesReactTypescriptData Engineering.NETProduct StrategyGoogle Cloud PlatformSQL QueriesData SciencePythonC#JavascriptBackend DevelopmentFrontend DevelopmentFullstack DevelopmentLLMs / Large language modelsTalent AcquisitionData AnalysisMachine LearningAICoachingAWS

Languages

French (Native)English (Fluent)

About me

Links

Work experience

CTO as a Service

Self-employed

Oct 2023 - Present

3 years 1 month

- Part-time CTO / Interim CTO / Transition management. - Due diligences, technical audits. - Junior CTO coaching.

Interim CTO - Transition manager

Spacefill

Oct 2023 - Mar 2024

6 months

Paris, France

Spacefill is a connectivity and collaboration SaaS platform, for 3rd party logistics management. It consists in a technological hub that hides complexity of synchronization with thousands of warehouses with heterogeneous technologies, and provides unified tools, insights, and APIs. Improved engineering teams outcome: - Fastened engineering cycles, by applying Pareto rule and daily deployments. - Focused tech teams on product engineering, by reducing DevOps needs and lightening processes. - Unlocked business growth, by ensuring long-term platform scalability and stability. - Renewed teams. Technology Stack: Node.js, NestJS, TypeScript, Python, React, GraphQL, PostgreSQL, Docker, AWS.

Homerez

Oct 2015 - Dec 2023

8 years 3 months

Paris, France

Advisor

Oct 2023 - Dec 2023

3 months

Paris, France

.

CTO

Oct 2015 - Sep 2023

8 years

Paris Area, France

Created in 2014, Homerez delivers a fully integrated SaaS for vacation rental property owners, in order to maximize their profit. We publish their properties worldwide on large distribution websites (Airbnb, Booking.com, VRBO, ...), handle inquiries, bookings and payments, and help them to optimize their prices. Member of executive committee: - Led technology during series A&B fund raisings, business model validation and growth. - Business analysis. Built and managed engineering teams: - Hire and retain talents. - Run/SRE: infrastructure, security, quality of service, technical support, release management. - Build: platform and product development, product management, UX/UI, data. - Connectivities: partnerships, integration projects. Built an industry leading in-house technology for vacation rentals: - Multi-sided platform: Core reservation system, APIs for partners, CRM for teams, Web&Mobile Apps for customers, Public reservation web portal, Data acquisition chain. - Cloud native micro-services architecture, secured, reliable and scalable. - Agile culture: Software craftmanship, TDD, SCRUM, DevOps. Technology Stack: Node.js, React, Next.js, TypeScript, Python, SciKitLearn, MongoDB, MySQL, Heroku, Docker, AWS, Google Cloud, RabbitMQ.

Lead Architect

Fastbooking

Nov 2013 - Oct 2015

2 years

Paris Area, France

FASTBOOKING offers leading-edge SaaS products and solutions to the hospitality industry to increase profits by maximizing direct bookings and brand visibility in the digital distribution environment. Management: - R&D recruitment. - International team management. - Agile transformation: Collaboration between teams, Software craftsmanship, Test Driven Development, DevOps, SCRUM. Platform architecture transformation: - Lead system urbanization. - Ensure scalability: RESTful API everywhere, microservices. - Move from a full PHP technology to a mixed PHP/JS (NodeJS/AngularJS) stack. Operations projects: - Reduce alerts and incidents. - Improve monitoring through accurate metrics. - Improve platform reliability and performances. - Distribute architecture worldwide, using public clouds. Development projects: - Reservation system core components. - Traffic acquisition and attribution. - APIs / Connectivity with third parties. - Transversal data quality. Technology Stack: LAMP, PHP/Zend, MySQL, Javascript/JQuery/Bootstrap/AngularJS, NodeJS/Express, MongoDB, HAProxy.

CTO - Cofounder

Castor Studio

Jan 2012 - Dec 2013

2 years

Paris Area, France

We developed tablet/mobile and web browser games. In charge of all technology: Development and Operations. Technology Stack: C#, .NET (Mono), Unity3D, NHibernate, MySQL.

R&D Technical Project Manager

Flextrade - Traderforce

Feb 2009 - Dec 2011

2 years 11 months

Paris Area, France

Traderforce provides the financial community with electronic trading services, real-time market data and risk management in a Web-Based application or as Cloud services. Co-Leader of core product development team (up to 20 engineers): - Team devided between Paris, New York, and Singapore. - Daily interface with other teams: Sales, QA, Marketing, Operations, Data, Technical Support. - Agile transformation: development cycle shortened, continuous integration and QA settled. - Project management. - Full-stack development. http://www.flextrade.com/solutions/ems/mottai Technology Stack: C#, .NET, C++, Javascript, SQLServer

Senior IT Consultant

Societe Generale Asset Management

Jan 2007 - Oct 2008

1 year 10 months

Paris Area, France

(Contractor at SGAM). Technical architecture and development of the new SGAM group seed-money risk monitoring system, for all types of funds (equities, IRD, private equity, hedge-funds, CDO, ...): - Centralisation of fund data from various systems. - Exhaustive fund of funds monitoring. - GUI and extractions. - Market and Credit Risk: Ratio and stress-test calculations. - Liquidity Risk monitoring. - Various studies about risk monitoring tools used by SGAM group. Technology Stack: C#, ASP.NET, SQL Server

Senior IT Consultant

Societe Generale Corporate & Investment Banking

Jan 2006 - Dec 2006

1 year

Paris Area, France

(Contractor at SGCIB). Exotic interest rate derivatives middle and back office management system: - New product projet coordination. - Business analysis on exotic credit derivatives (various CDO types). - Various developments on the system. Technology Stack: C#, .NET, C++, ORACLE, SYBASE

Head of AI Department

Eugen Systems

Jul 2000 - Dec 2005

5 years 6 months

Paris Area, France

Eugen Systems develops Real Time Strategy games for PC. Artificial Intelligence department (5 to 10 engineers) is in charge of: - providing AI engine services: pathfinding, decision-making, perception, unit description, save and load functionality, LAN and on-line gaming. - industrializing of production chain for gameplay developers and game and level designers: tools, languages to describe and integrate units, map and level editors, automatic testing tools, technical support. Missions: - Development lead for all AI engine and tools (delay and quality). - Huge capitalization on the methods, engine and tools. Products: - Act Of War: Direct Action (Atari), 2005. - The Gladiators (Arxel Tribe), 2002. - Times of Conflit (Microids), 2000. Technology Stack: C++, Delphi

Software developer

Cap Gemini

Dec 1998 - Jun 2000

1 year 7 months

Paris Area, France

Software developer for Telecom providers. TELECOM EGYPT: Development for provider network supervision. Traffic data processing, client applications. TELMEX: Development for public telephone network supervision. Communication tickets processing, in order to feed a datawarehouse. Client applications. Other various missions.


Education

Ecole centrale de Lyon

Engineer, Computer science

1995 - 1998

3 years

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