William Leemans
Senior Tech Lead | Software Architecture
Salaire / Taux journalier
Lille, France
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
CTO & Tech Lead with 10+ years building scalable architectures for major retail brands like Decathlon, Kiabi, and Electro Depot. Expert in modern software architecture, team leadership, and developer productivity, with proven experience scaling teams internationally. I help companies design product-oriented solutions while empowering engineering teams to grow and excel.
Expérience de travail
Tech Lead
Electro Depot
juil. 2025 - Présent
1 an 4 mois
CTO
Jetdev
janv. 2018 - Présent
8 ans 10 mois
Lille, France
– Designing solid, scalable, product-oriented architectures – Creating career paths that empower Jetdev's developers to grow – Sharing our tools, processes, and lessons with the broader community – Publicly embodying Jetdev's technical and human ambition – Regularly speak on topics such as: Modern software architecture, Developer productivity tools (CLI, Terminal, Obsidian, etc.), The future of tech consultancies and hybrid models, How to grow from developer to tech leader
Software Architect R&D
Exotec
juil. 2023 - janv. 2025
1 an 7 mois
Croix, France
Tech Lead & Security Champion
Decathlon
juil. 2020 - août 2023
3 ans 2 mois
Lille, France
Kiabi
janv. 2018 - juil. 2020
2 ans 7 mois
Lille Area, France
Tech Lead
sept. 2018 - juil. 2020
1 an 11 mois
Lille Area, France
– Development, maintenance and design of multiple internal applications and API focused mainly on suppliers management. – Participation in Kiabi's Teach lead's guild – Organization of Tech related events at Kiabi such as Meetups and BBLs – Main technologies: Java 8, Spring, Angular2, Mybatis, PostgreSQL
Tech Lead
juin 2018 - sept. 2018
4 mois
Hong-Kong, Hong Kong
– Participation in recruitment, training and set up of a development team at Kiabi's Hong Kong office – Main technologies: Java 8, Spring, Angular, Mybatis, PostgreSQL
Software Developer
janv. 2018 - juin 2018
6 mois
Lille Area, France
– Development, maintenance and design of multiple internal applications and API – Main technologies: Java 8, Spring, Angular2, Mybatis, PostgreSQL
Software Developer
Kiabi
sept. 2016 - déc. 2017
1 an 4 mois
Villeneuve-d'Ascq, France
– Development, maintenance and design of multiple internal applications and API – Main technologies: Java 8, Spring, Angular, Mybatis, PostgreSQL
Intern
ASTREA Management group
août 2015 - sept. 2016
1 an 2 mois
Villeneuve-d'Ascq, France
– As part of a team of interns, development of a tool to manage the companies of the ASTREA Management group. – Main technologies : Java (Spring), JSP, HTML/CSS/JS, Mybatis, PostgreSQL
Web Developer
Belfius
juil. 2014 - août 2014
2 mois
Brussels Area, Belgium
– Development of multiple B2C applications (e.g. Car Insurance Simulator). – Contribution on helping the team transition to an Agile framework (Scrum). – Main technologies: C#, ASP.Net, HTML/CSS/JS
Intern
Belfius
févr. 2014 - mai 2014
4 mois
Bruxelles, Belgique
– Development and design of a web application to replace PDF forms used by the Belfius Foundation. – Main technologies : C#, ASP.Net, HTML/CSS/JS
Formation
Université des Sciences et Technologies de Lille (Lille I)
Master of Computer Applications (M.C.A.), Ingénierie informatique
2014 - 2016
2 ans 1 mois
Institut Paul Lambin
Bachelor's degree, Computer Science
2011 - 2014
3 ans 1 mois
Licences et certifications
Cloud Concepts 101 - Deployments Essentials Badge
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