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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Christophe Roquette - Software Engineer</title>
<meta name="description" content="Christophe Roquette - Software Engineer based in Paris. Specialized in distributed systems, microservices, Kubernetes, and event-driven architectures.">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<nav class="navbar" id="navbar">
<div class="nav-container">
<a href="#hero" class="nav-logo">CR</a>
<ul class="nav-menu" id="nav-menu">
<li><a href="#about" class="nav-link">About</a></li>
<li><a href="#experience" class="nav-link">Experience</a></li>
<li><a href="#skills" class="nav-link">Skills</a></li>
<li><a href="#projects" class="nav-link">Projects</a></li>
<li><a href="#contact" class="nav-link">Contact</a></li>
</ul>
<div class="nav-actions">
<button class="theme-toggle" id="theme-toggle" aria-label="Toggle theme">
<svg class="icon-sun" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="5"/><path d="M12 1v2M12 21v2M4.22 4.22l1.42 1.42M18.36 18.36l1.42 1.42M1 12h2M21 12h2M4.22 19.78l1.42-1.42M18.36 5.64l1.42-1.42"/></svg>
<svg class="icon-moon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"/></svg>
</button>
<button class="nav-toggle" id="nav-toggle" aria-label="Toggle navigation">
<span></span>
<span></span>
<span></span>
</button>
</div>
</div>
</nav>
<section class="hero" id="hero">
<div class="hero-content">
<p class="hero-greeting">Hello, I'm</p>
<h1 class="hero-name">Christophe Roquette</h1>
<p class="hero-title">Software Engineer</p>
<p class="hero-subtitle">Building scalable distributed systems and marketplace platforms in Paris, France.</p>
<div class="hero-cta">
<a href="#experience" class="btn btn-primary">View Experience</a>
<a href="https://github.com/KriKroff" class="btn btn-outline" target="_blank" rel="noopener">GitHub</a>
</div>
</div>
</section>
<section class="about" id="about">
<div class="container">
<h2 class="section-title">About</h2>
<div class="about-content">
<div class="about-text">
<p>Software engineer based in Paris with extensive experience in backend development, distributed systems, and platform engineering. I specialize in designing event-driven architectures and breaking down complex monolithic systems into scalable microservices.</p>
<p>Throughout my career, I've worked across diverse domains — marketplace platforms, transportation, social networking, and e-commerce — always with a focus on high availability, performance, and clean engineering practices.</p>
<p>I'm passionate about knowledge sharing: mentoring engineers, running coding dojos, and presenting on topics like Kubernetes, GitOps, and CI/CD best practices.</p>
</div>
<div class="about-details">
<div class="detail-item">
<span class="detail-label">Location</span>
<span class="detail-value">Paris, France</span>
</div>
<div class="detail-item">
<span class="detail-label">Current Role</span>
<span class="detail-value">Software Engineer @ Mirakl</span>
</div>
<div class="detail-item">
<span class="detail-label">Focus</span>
<span class="detail-value">Distributed Systems & Platform Engineering</span>
</div>
</div>
</div>
</div>
</section>
<section class="experience" id="experience">
<div class="container">
<h2 class="section-title">Experience</h2>
<div class="timeline">
<!-- Mirakl -->
<div class="timeline-item">
<div class="timeline-marker"></div>
<div class="timeline-content">
<div class="timeline-header">
<div>
<h3>Software Engineer</h3>
<span class="timeline-company">Mirakl</span>
</div>
<span class="timeline-period">Present</span>
</div>
<p class="timeline-description">Leading marketplace platform providing enterprise marketplace solutions to global companies.</p>
<ul class="timeline-highlights">
<li>Designed and implemented a multi-transport webhook system supporting HTTP, GCP Pub/Sub, AWS SQS, and Azure Service Bus for real-time event delivery</li>
<li>Core member of the order workflow team, managing the full order lifecycle from creation through post-sales and discards</li>
<li>Driving the decomposition of a large monolith into microservices, establishing development guidelines and architectural patterns</li>
<li>Optimizing CI/CD build pipelines for faster feedback loops and improved developer productivity</li>
<li>Mentoring engineers and presenting technical topics: Kubernetes, Helm, Helmfile, GitOps with ArgoCD, and GitHub Actions</li>
</ul>
<div class="timeline-tags">
<span class="tag">Java</span>
<span class="tag">Kafka</span>
<span class="tag">Kubernetes</span>
<span class="tag">PostgreSQL</span>
<span class="tag">ArgoCD</span>
<span class="tag">Helm</span>
<span class="tag">GitHub Actions</span>
<span class="tag">GCP</span>
<span class="tag">AWS</span>
<span class="tag">Azure</span>
</div>
</div>
</div>
<!-- happn -->
<div class="timeline-item">
<div class="timeline-marker"></div>
<div class="timeline-content">
<div class="timeline-header">
<div>
<h3>Backend Developer</h3>
<span class="timeline-company">happn</span>
<span class="timeline-type">Freelance</span>
</div>
<span class="timeline-period">Mar 2020 – Sep 2022</span>
</div>
<p class="timeline-description">Worldwide social networking app. International context with English-speaking environment.</p>
<ul class="timeline-highlights">
<li>Migration of key features from PHP to Java and VMs to containers (legacy exit)</li>
<li>Legacy exit: Migration to Spring Boot 2, tracing, event-driven architecture, GitHub Actions</li>
<li>Platform optimization & investigation: memory, connection pooling, CPU management</li>
<li>GCP + Kubernetes environment with continuous deployment and KPI tracking</li>
<li>Authentication management (recovery, Google Sign-In)</li>
<li>Maintenance & evolutions on BackOffice (Vue.js) and Webapp (React)</li>
</ul>
<div class="timeline-tags">
<span class="tag">Java</span>
<span class="tag">Spring Boot</span>
<span class="tag">Cassandra</span>
<span class="tag">Kubernetes</span>
<span class="tag">FluxCD</span>
<span class="tag">GCP</span>
<span class="tag">Pub/Sub</span>
<span class="tag">DataFlow</span>
<span class="tag">Vue.js</span>
<span class="tag">React</span>
<span class="tag">PHP</span>
</div>
</div>
</div>
<!-- OUI.sncf -->
<div class="timeline-item">
<div class="timeline-marker"></div>
<div class="timeline-content">
<div class="timeline-header">
<div>
<h3>Backend Engineer & DevOps</h3>
<span class="timeline-company">OUI.sncf (SNCF Connect & Tech)</span>
</div>
<span class="timeline-period">Feb 2019 – Mar 2020</span>
</div>
<p class="timeline-description">Backend developer on the main SNCF application — high load, high availability, microservices.</p>
<ul class="timeline-highlights">
<li>MaaS project (Mobility as a Service): e-commerce integration, VTC/BUS sales</li>
<li>Migration Play Framework to Spring</li>
<li>DevSecOps environment, USIL maintenance, GitlabCI, Jenkins</li>
<li>Legacy exit, stack upgrade, and deployment automation</li>
</ul>
<div class="timeline-tags">
<span class="tag">Java</span>
<span class="tag">Spring Boot</span>
<span class="tag">Node.js</span>
<span class="tag">AWS</span>
<span class="tag">Lambda</span>
<span class="tag">SQS</span>
<span class="tag">SNS</span>
<span class="tag">Ansible</span>
<span class="tag">Docker</span>
<span class="tag">GitlabCI</span>
</div>
</div>
</div>
<div class="timeline-item">
<div class="timeline-marker"></div>
<div class="timeline-content">
<div class="timeline-header">
<div>
<h3>Lead Developer Fullstack & DevOps</h3>
<span class="timeline-company">OUI.sncf — Transilien.com</span>
</div>
<span class="timeline-period">Apr 2017 – Feb 2019</span>
</div>
<p class="timeline-description">Technical Lead on Transilien.com — high-traffic public transportation site.</p>
<ul class="timeline-highlights">
<li>Migration legacy JSP to React + Redux, library upgrades (Spring, Hibernate, Jackson)</li>
<li>Middleware upgrades: Apache, Tomcat, Varnish, HAProxy</li>
<li>Team training: clean code, TDD, front-end development</li>
<li>Front-end: accessibility (RGAA), responsive design, CSS to Sass, JS to ES6, Webpack</li>
<li>Testing: Mockito, JUnit, Jest, Enzyme, Puppeteer, CucumberJS, Selenium</li>
<li>USIL: Puppet, Jenkins migration from jobs to pipelines, Docker, GitlabCI</li>
</ul>
<div class="timeline-tags">
<span class="tag">Java 8</span>
<span class="tag">Spring Boot</span>
<span class="tag">React</span>
<span class="tag">Redux</span>
<span class="tag">Sass</span>
<span class="tag">Webpack</span>
<span class="tag">Puppet</span>
<span class="tag">Jenkins</span>
<span class="tag">Docker</span>
</div>
</div>
</div>
<div class="timeline-item">
<div class="timeline-marker"></div>
<div class="timeline-content">
<div class="timeline-header">
<div>
<h3>Lead Developer Fullstack & DevOps</h3>
<span class="timeline-company">OUI.sncf — TGV Lyria</span>
</div>
<span class="timeline-period">Oct 2016 – Apr 2017</span>
</div>
<p class="timeline-description">Lead Dev FullStack on TGV Lyria project.</p>
<ul class="timeline-highlights">
<li>Migration WebServices SOAP to REST</li>
<li>Application redesign with comprehensive unit tests and automated tests (front & back)</li>
<li>DevOps: USIL review, deployment automation (Jenkins, GitlabCI, Apache, Varnish)</li>
</ul>
<div class="timeline-tags">
<span class="tag">Java</span>
<span class="tag">Spring Boot</span>
<span class="tag">AngularJS</span>
<span class="tag">Node.js</span>
<span class="tag">Jenkins</span>
<span class="tag">GitlabCI</span>
<span class="tag">Puppet</span>
</div>
</div>
</div>
<!-- Fnac -->
<div class="timeline-item">
<div class="timeline-marker"></div>
<div class="timeline-content">
<div class="timeline-header">
<div>
<h3>Technical Lead</h3>
<span class="timeline-company">Fnac</span>
</div>
<span class="timeline-period">Jan 2014 – Sep 2016</span>
</div>
<p class="timeline-description">Ticketing development (web side and central reservation system). Multi-server architecture, high availability, high load.</p>
<ul class="timeline-highlights">
<li>Backend: Java, Struts, Spring MVC, Spring Webflow, Hibernate, JPA, JAX-RS, REST, HATEOAS</li>
<li>Frontend: Node.js, AngularJS, Angular 2, TypeScript, RequireJS, jQuery, Grunt, Gulp, Webpack</li>
<li>Infrastructure: Tomcat, JBoss 5, Apache, Nginx, Squid, MySQL, Maven, Jenkins, Sonar</li>
<li>Testing: JUnit, Mockito, Protractor, Karma, load testing (AB, Gatling)</li>
<li>Server management: LVM, Puppet, F5 Load Balancer</li>
<li>Technical specifications and functional specifications framing</li>
</ul>
<div class="timeline-tags">
<span class="tag">Java</span>
<span class="tag">Spring</span>
<span class="tag">Hibernate</span>
<span class="tag">AngularJS</span>
<span class="tag">Angular 2</span>
<span class="tag">TypeScript</span>
<span class="tag">MySQL</span>
<span class="tag">Gatling</span>
<span class="tag">Jenkins</span>
<span class="tag">Puppet</span>
</div>
</div>
</div>
<div class="timeline-item">
<div class="timeline-marker"></div>
<div class="timeline-content">
<div class="timeline-header">
<div>
<h3>Software Engineer</h3>
<span class="timeline-company">Fnac</span>
</div>
<span class="timeline-period">Aug 2013 – Dec 2013</span>
</div>
<p class="timeline-description">Software engineering on the Fnac ticketing platform before taking on the technical lead role.</p>
</div>
</div>
</div>
</div>
</section>
<section class="skills" id="skills">
<div class="container">
<h2 class="section-title">Skills & Expertise</h2>
<div class="skills-grid">
<div class="skill-category">
<h3 class="skill-category-title">Backend & Languages</h3>
<ul class="skill-list">
<li>Java / Spring Boot</li>
<li>Node.js</li>
<li>TypeScript / JavaScript</li>
<li>SQL / PostgreSQL / MySQL</li>
<li>Cassandra</li>
<li>GraphQL / REST / OpenAPI</li>
</ul>
</div>
<div class="skill-category">
<h3 class="skill-category-title">Infrastructure & DevOps</h3>
<ul class="skill-list">
<li>Kubernetes / Docker</li>
<li>Helm / Helmfile</li>
<li>ArgoCD / FluxCD / GitOps</li>
<li>GitHub Actions / GitlabCI / Jenkins</li>
<li>Ansible / Puppet</li>
<li>CI/CD Pipeline Optimization</li>
</ul>
</div>
<div class="skill-category">
<h3 class="skill-category-title">Cloud & Messaging</h3>
<ul class="skill-list">
<li>Apache Kafka</li>
<li>GCP (Pub/Sub, GKE, DataFlow)</li>
<li>AWS (Lambda, SQS, SNS, S3, EC2)</li>
<li>Azure Service Bus</li>
<li>Event-Driven Architecture</li>
<li>Webhooks</li>
</ul>
</div>
<div class="skill-category">
<h3 class="skill-category-title">Architecture & Leadership</h3>
<ul class="skill-list">
<li>Microservices Design</li>
<li>Monolith Decomposition</li>
<li>High Availability / High Load</li>
<li>Technical Leadership</li>
<li>Mentoring & Tech Talks</li>
<li>Clean Code / TDD</li>
</ul>
</div>
</div>
</div>
</section>
<section class="projects" id="projects">
<div class="container">
<h2 class="section-title">Projects & Contributions</h2>
<div class="projects-grid">
<div class="project-card">
<div class="project-icon">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M12 2L2 7l10 5 10-5-10-5z"/><path d="M2 17l10 5 10-5"/><path d="M2 12l10 5 10-5"/></svg>
</div>
<h3>Apache Beam Contribution</h3>
<p>Identified and demonstrated a CassandraIO bug introduced with BEAM-9008, contributing to the Apache Beam ecosystem.</p>
<a href="https://github.com/KriKroff/beam-cassandraio-bug" class="project-link" target="_blank" rel="noopener">View on GitHub →</a>
</div>
<div class="project-card">
<div class="project-icon">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><path d="M8 12l2 2 4-4"/></svg>
</div>
<h3>Reactor Dojo</h3>
<p>Teaching material for reactive programming with Project Reactor. Hands-on exercises using Observables and reactive streams.</p>
<a href="https://github.com/KriKroff/reactor-dojo" class="project-link" target="_blank" rel="noopener">View on GitHub →</a>
</div>
<div class="project-card">
<div class="project-icon">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="3" width="18" height="18" rx="2"/><path d="M9 3v18"/><path d="M3 9h18"/></svg>
</div>
<h3>Redux Dojo</h3>
<p>Interactive teaching material for learning Redux state management through practical exercises and test-driven development.</p>
<a href="https://github.com/KriKroff/redux-dojo" class="project-link" target="_blank" rel="noopener">View on GitHub →</a>
</div>
<div class="project-card">
<div class="project-icon">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M20 7L12 3 4 7"/><path d="M4 7v10l8 4 8-4V7"/><path d="M12 21V11"/><path d="M12 11L4 7"/><path d="M12 11l8-4"/></svg>
</div>
<h3>ES6 Dojo</h3>
<p>Test-driven teaching material for learning modern JavaScript ES6 features through hands-on coding exercises.</p>
<a href="https://github.com/KriKroff/es6-dojo" class="project-link" target="_blank" rel="noopener">View on GitHub →</a>
</div>
<div class="project-card">
<div class="project-icon">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/></svg>
</div>
<h3>Maven Dependency Graph</h3>
<p>Tool for visualizing Maven project dependency graphs, helping teams understand and manage complex dependency trees.</p>
<a href="https://github.com/KriKroff/maven-dependency-graph" class="project-link" target="_blank" rel="noopener">View on GitHub →</a>
</div>
<div class="project-card">
<div class="project-icon">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M9 19c-5 1.5-5-2.5-7-3m14 6v-3.87a3.37 3.37 0 0 0-.94-2.61c3.14-.35 6.44-1.54 6.44-7A5.44 5.44 0 0 0 20 4.77 5.07 5.07 0 0 0 19.91 1S18.73.65 16 2.48a13.38 13.38 0 0 0-7 0C6.27.65 5.09 1 5.09 1A5.07 5.07 0 0 0 5 4.77a5.44 5.44 0 0 0-1.5 3.78c0 5.42 3.3 6.61 6.44 7A3.37 3.37 0 0 0 9 18.13V22"/></svg>
</div>
<h3>Open Source</h3>
<p>Contributions to GraphQL Spring Boot, Cucumber Eclipse, OpenAPI Specification, and more.</p>
<a href="https://github.com/KriKroff" class="project-link" target="_blank" rel="noopener">View GitHub Profile →</a>
</div>
</div>
</div>
</section>
<section class="contact" id="contact">
<div class="container">
<h2 class="section-title">Get in Touch</h2>
<p class="contact-text">Interested in working together or want to discuss distributed systems, platform engineering, or anything tech? Feel free to reach out.</p>
<div class="contact-links">
<a href="https://github.com/KriKroff" class="contact-link" target="_blank" rel="noopener">
<svg viewBox="0 0 24 24" fill="currentColor"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/></svg>
<span>GitHub</span>
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