Jérémy Gay

Tech Lead / Senior Developer

+33678149681 jeremy@exostic.com exostic.com LinkedIn

LinkedIn: linkedin.com/in/jeremygay22 · Book a call: calendly.com/jeremy-exostic/30min · Online resume: exostic.com/en/jeremy_gay

Experience: 14 years of software development, 10 years of technical leadership and entrepreneurship
Current position: Senior Data Engineer at Shine, since April 2025
Location: Châtelaillon-Plage, near La Rochelle, France · remote across France
Languages: French native · English written, read, spoken · Spanish read

Skills

Development

DDD
TDD
Object-Oriented Programming
Clean Architecture
Hexagonal Architecture
Event Sourcing
CQRS
MVC
Unit Testing
Integration Testing

Frontend Web

ReactJS
VueJS
HTML5
Canvas API
Audio API
WebRTC
WebSocket
CSS/CSS3
Responsive Design
Sass
Less
Webpack

Frontend Mobile

React Native
Ionic
Expo
Capacitor
IOS Deployment
Android Deployment

Backend

NodeJS
Express
NestJS
GraphQL
NextJS
Hasura

Databases

MongoDB
Redis
DynamoDB
PostgreSQL
InfluxDB

Security

OAuth
JWToken
ACL
IAM
VPN
Private Network
Secrets Managers
Keycloak

DevOps

Git
Gitlab
Github
Kubernetes
Terraform
Helm
Docker
Docker Compose
Docker Swarm
GNU/Linux
CloudFormation
Code Pipeline
Linux Administration

Infrastructure

AWS
Google Cloud Platform
OpenShift
OVH
Digital Ocean
Bare Metal

Amazon Web Services

EKS
VPC
Aurora DB
Route53
EC2
Autoscaler
CloudFormation
CloudFront
Lambda
S3
ELB
Amazon Elastic Transcoder

Monitoring

Prometheus
Grafana
Kibana
CloudWatch
Loki

IOT Protocols

LoRa
MQTT
IPSO
Cayenne

Languages

TypeScript
JavaScript
Bash
Python
Julia
Ruby On Rails
Rust
C
C++

Servers

Nginx
Apache
Traefik
FastAPI
ExpressJS

Data

Google Cloud Dataflow
Apache Airflow
DBT
Looker
Metabase
Workflows
data pipelines
fraud detection
banking compliance

Experience

Shine

Senior Data Engineer

shine.fr

From April 2025 to present

Improvement of banking fraud detection systems
Data projects supporting regulatory compliance
Design and operation of data pipelines with Google Cloud Dataflow, Apache Airflow and DBT, reporting in Looker

Google Cloud Dataflow
Apache Airflow
Looker
DBT
Python
TypeScript
Terraform

Mr Arthur

Software Engineer

mrarthur.io

From December 2024 to January 2025

Development of Android application with VueJS, Ionic and Capacitor

EDF

Tech Lead

edf.fr/entreprises

From November 2023 to November 2024

Product specification (Analysis, emission factors research, calculation rules, API design, functional specifications)
Architecture analysis and definition
Implementation of continuous integration and deployment pipeline with security and testing tools (DevSecOps)
Development and securing of NodeJS and TypeScript API using clean architecture, DDD, and TDD principles
Unit testing and integration testing
Kubernetes and OpenShift training
Documentation
Big Data scripts and analysis
Research on Salesforce APIs and their use in artificial intelligence

Kubernetes
OpenShift
Trivy
SonarQube
Docker
Gitlab
AWS
Gitlab CI/CD
NodeJS
TypeScript
Python
Jest
Salesforce

Enedis

Software Engineer

enedis.fr

From July 2024 to September 2024

Creation of an analysis dashboard
Implementation of agent-based simulations
Connection between analysis and simulation

ReactJS
NodeJS
Julia
Agent.jl
Docker
GeoJson
Leaflet
H3
.h5

Exostic

CEO and Tech Lead

exostic.com

From June 2015 to present

Trainer at IMEI, Centrale Nantes, private companies and individual mentoring (MongoDB, Linux, Git, ReactJS, CSS, JavaScript)
Web business creation assistance
Consulting for https://www.yvea.io
Front-end development (ReactJS, Flux) of a real-time precious metals trading site: https://bunker-group.com/
Akkapolis contest game https://www.artstation.com/artwork/4erL1
Audit and training on AngularJS and JavaScript https://www.etiskapp.com/
Creation of a landing page builder with ReactJS, Webpack and ES6 (Flux Architecture) and server-side generation (Isomorphic JavaScript)
Creation, setup and administration of a WebSocket server management system allowing smartphone use as a controller for Unity games with backoffice for thepretender-totalf1.com https://pauletalex.dunked.com/total-the-pretender
Creation of a site crawler for growth hacking
Creation and administration of EXOSTIC SAS

ReactJS
Redux
AngularJS
Webpack
ES6
NodeJS
CasperJS
SpookyJS
MongoDB
WebSockets
Unity
NGINX
Ubuntu

Totem

Tech Lead / Product Engineer

totem.co

From January 2021 to September 2022

Payment system improvement
Creation of developer workshops
Continuous deployment pipeline improvement
Data Engineering
Creation/Management of connected coffee machines
Stock management
Peer programming
Architecture improvement
Mobile application development
Product specification
Monitoring implementation
Cache implementation

TypeScript
React Native
Expo
ReactJS
Atomic Design
Jest
Cypress
NodeJS
GraphQL
Apollo
Kubernetes
Docker
Digital Ocean
GitHub Actions
Bash
MongoDB
PostgreSQL
Redis
Python
DBT
Metabase
Grafana
Prometheus
OpenTelemetry

Preligens

Developer / DevOps

preligens.com

From October 2020 to December 2020

Creation of Cloud software architecture
Implementation of continuous deployment environment with Github Actions and Docker Swarm
AWS infrastructure deployment with Terraform
Python scripts

Git
Github
Bash
Python
Docker
Docker Swarm
Traefik
AWS (VPC
EC2
DynamoDB
S3)
Terraform
Kibana
ElasticSearch
Tor

Kidizz

Developer / DevOps

kidizz.com

From December 2018 to September 2020

Creation of Cloud software architecture
Implementation of continuous deployment environment with Git, Gitlab, Kubernetes, Docker, EKS, AWS
NodeJS and Ruby On Rails applications management
Creation of NodeJS/GraphQL API (web/mobile/admin)
Cluster deployment (Redis, Ruby On Rails, NodeJS)
PostgreSQL scalability and migration (AWS Aurora Cluster)
Decoupling of a monolithic application into microservices
Application migration to AWS managed cloud environment without service interruption
Creation of K8s infrastructure monitoring application (NodeJS, Prometheus, Grafana, Loki)
Video encoding (AWS Lambda, AWS Elastic Transcoder)
Security/Networks (SSL, Private Network, Load Balancers, Alert Tools, DNS Management, Antiflood)
Multi AZ deployment / Geo balancing

Git
Gitlab
Kubernetes
Docker
NodeJS
Auth2 Service
JWT tokens
ACL
Roles management
Ruby On Rails
PostgreSQL
Redis
Bash
AWS (EKS
VPC
Route53
EC2
Autoscaler
CloudFront
Lambda
S3
ELB
Aurora
Amazon Elastic Transcoder

ALOES

R&D Developer

From January 2017 to January 2019

IoT market state of the art
Need definition, specifications and connected object definition
Development of a platform dedicated to connected objects design
Communication (logo, website, content, animation)

HTML5
Canvas
JavaScript
ReactJS
Plotly
Highcharts
NodeJs
HTTP
MQTT
Lora
Cayenne
IPSO
MySensors
ESP8266
Arduino
C++

Free2Move

Developer / R&D Engineer

free2move.com

From March 2017 to April 2018

Specification/Design/Development of a real-time IoT services management platform applied to vehicles
Creation of real-time mobility services usable in the platform (e.g., parking reservation in vehicles, toll system usage, context analysis related to different driver behaviors, security issues related to screen usage in vehicle cabins)
Ergonomics and development of vehicle embedded interfaces
Creation of an "on the fly" billing and payment system (mobile and car embedded)
Development in microservices and AWS serverless architecture

ReactJS
Redux
NodeJS
NodeRED
Redis
AWS (EC2
Lambda
CloudFormation
Route53
DynamoDB
SNS
VPC
Cognito
ELB)
Docker

Freelance

JavaScript Developer-Designer-Trainer

From August 2014 to June 2015

Implementation of MVC framework architecture for real-time monitoring with NodeJS, PassportJS, ExpressJS, Angular, Redis via Caminte (cross-db ORM), Mocha and Socket.IO
Setting up training activities for beginners (job seekers, young people in career change, etc.) in programming
Creation of mobile applications (webapp type) with AngularJS frontend and NodeJS/MongoDB/ExpressJS/PhantomJS backend
DevOps with Nginx, ftp synchronization, cron, https setup, continuous deployment with git

NodeJS
ExpressJS
SocketIO
AngularJS
Redis
Mocha
PassportJS
PhantomJS
NGINX
Linux Debian

Toxicode

JavaScript/Ruby on Rails Developer-Designer-Trainer

toxicode.fr

From February 2012 to July 2014

Development of a real-time multiplayer games framework via NodeJS
Creation of a programming learning game through robot intelligence and manipulation
Creation of multimedia applications for school use (IWB)
JavaScript / NodeJs training
Creation of site administration tools
Various software application development services (management applications, games, showcase websites, online stores, mobile)
Creation of educational videos (content, editing, distribution)
Implementation of articles explaining programming concepts

Technical Environment

Remote work in Mac/Linux environment
Use of Nodejitsu, Parse.js, Heroku, Git, Mailchimp and Skype for peer programming
Git, SSH, FTP, Sublime Text
Server side: NodeJS, RequireJS, ExpressJS, Socket.IO, MongoDB, Mocha, SinonJS, PhantomJS
MVC Programming, OOP, Ruby On Rails, Gems
Client side: HTML/HTML5, Canvas, JavaScript (OOP), JQuery, RequireJS, KnockoutJS, CSS/CSS3

Acadomia

Mathematics and Physics Teacher

acadomia.fr

From 2010 to 2011

Tutoring students from primary school to BTS level in Mathematics and Physics

Wimo

Developer Intern

From June 2011 to August 2011

Website redesign
Design and development of online help for the Com-On unified communication software

Laboratory of Theoretical Physics, Orsay

Physicist/Developer Intern

From June 2008 to August 2008

Creation of a C/C++ program simulating different multi-field inflation scenarios

General Relativity
Cosmology
C
C++

Education

2012 Master's Degree in Digital Creation and Publishing, University Paris 8
2010 Bachelor's Degree in Fundamental Physics, University Paris 11
2008 Engineering School in Materials and Nanotechnology, INSA Rennes
2007 Preparatory Classes for Engineering Schools, Lycée Léonce Vieljeux La Rochelle
2005 Technical High School Diploma in Mechanical Engineering, Lycée Léonce Vieljeux La Rochelle

Interests

Travel
Photography
Music (Guitar, Bass)

A need, an assignment?

Let's talk for 30 minutes, no strings attached. A shorter, assignment-oriented version is available on the freelance profile.

Book a call Freelance profile

calendly.com/jeremy-exostic/30min · jeremy@exostic.com · +33 6 78 14 96 81 · exostic.com/en/jeremy_gay_freelance