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I'm Mathieu Clément, a Senior Software Engineer with 12 years of experience building highly available applications for hundreds of millions of customers. I specialize in feature specification, design, implementation, testing, security, and CI/CD, always focusing on practical, timely solutions rather than chasing theoretical perfection. I'm constantly learning and sharing knowledge, whether it's improving developer experience, mentoring teammates, or championing security and privacy best practices. I excel at turning complex requirements into reliable software while keeping a positive, collaborative attitude in cross-functional teams.…I'm Mathieu Clément, a Senior Software Engineer with 12 years of experience building highly available applications for hundreds of millions of customers. I specialize in feature specification, design, implementation, testing, security, and CI/CD, always focusing on practical, timely solutions rather than chasing theoretical perfection. I'm constantly learning and sharing knowledge, whether it's improving developer experience, mentoring teammates, or championing security and privacy best practices. I excel at turning complex requirements into reliable software while keeping a positive, collaborative attitude in cross-functional teams.

Mathieu Clément

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I'm Mathieu Clément, a Senior Software Engineer with 12 years of experience building highly available applications for hundreds of millions of customers. I specialize in feature specification, design, implementation, testing, security, and CI/CD, always focusing on practical, timely solutions rather than chasing theoretical perfection. I'm constantly learning and sharing knowledge, whether it's improving developer experience, mentoring teammates, or championing security and privacy best practices. I excel at turning complex requirements into reliable software while keeping a positive, collaborative attitude in cross-functional teams.…I'm Mathieu Clément, a Senior Software Engineer with 12 years of experience building highly available applications for hundreds of millions of customers. I specialize in feature specification, design, implementation, testing, security, and CI/CD, always focusing on practical, timely solutions rather than chasing theoretical perfection. I'm constantly learning and sharing knowledge, whether it's improving developer experience, mentoring teammates, or championing security and privacy best practices. I excel at turning complex requirements into reliable software while keeping a positive, collaborative attitude in cross-functional teams.

Available to hire

I’m Mathieu Clément, a Senior Software Engineer with 12 years of experience building highly available applications for hundreds of millions of customers. I specialize in feature specification, design, implementation, testing, security, and CI/CD, always focusing on practical, timely solutions rather than chasing theoretical perfection.

I’m constantly learning and sharing knowledge, whether it’s improving developer experience, mentoring teammates, or championing security and privacy best practices. I excel at turning complex requirements into reliable software while keeping a positive, collaborative attitude in cross-functional teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Security Champion / Privacy Champion at FAIRTIQ

January 1, 2022 - January 1, 2025

Led security and privacy initiatives, hardened software against exploits, educated colleagues, and raised awareness. Attended OWASP security courses and implemented privacy controls to ensure GDPR/FADP compliance. Led efforts to improve developer experience, testing capabilities, and automation. Automated operator onboarding and tariff-installation platform. Led delegation payments project for Rejsekort; added support for anonymous companions. Enhanced IAM platform with OAuth 2.0/OIDC, AWS API Gateway; integrated Google Sign-In and Sign in with Apple; prevented OTP abuse; customized Spring Authorization Server; improved developer experience and testing frameworks; contributed to transitions and deployments.

Software Engineer - Apple Video Team at Apple

January 1, 2018 - January 1, 2022

Researched performance improvements for search; augmented Solr functionality with inner joins to support price queries, video quality, languages. Designed and built an end-to-end pricing pipeline via Kafka and Cassandra. Implemented 100-country expansion; personalized Siri search results for Apple TV; transitioned Siri from server to client; migrated from manual serialization to Jersey/Jackson/OpenAPI specifications. Led cross-functional API/infrastructure discussions, mentored teammates, built internal tools and regression testing framework, and led release-week validation.

Software Engineer at Mimacom

January 1, 2015 - January 1, 2016

Reviewed user requirements, implemented bug fixes and new features; created test environments; designed the WebOS search with Elasticsearch; led UI/search team; applied Domain-Driven Design; introduced Java 8 features; built core WebOS architecture using Spring Boot and AngularJS; deployed a SAML authentication emulation; documented processes and contributed to Scrum ceremonies.

Software Engineer at IMTF

January 1, 2011 - January 1, 2013

Distributed document management system for 30 banks; designed GUI with Swing/NetBeans RCP; implemented HYPERSUITE/5; contributed to secure document management solutions for the banking industry; involved in GUI and middleware development.

Intern - Audio Reconstruction at Lawrence Berkeley National Laboratory

January 1, 2015 - January 1, 2015

Summer internship: Audio reconstruction from 80-year-old records using 2D/3D cameras (LabView, C#).