> Markdown version of [/jobs/ext/427831-tech-lead-java-lead-developpeur-fullstack-java-angular-h-f](https://www.wearedevelopers.com/jobs/ext/427831-tech-lead-java-lead-developpeur-fullstack-java-angular-h-f). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Tech Lead Java / Lead Développeur Fullstack Java Angular H/F - **Company:** INFORMATIS TS - **Location:** Paris, France - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), HTML5, Crystal Reports (Reporting Software), Sage ERP, Microsoft SQL Server, Node.Js, Performance Tuning, Web Services, SOAPAPI, AngularJS - **Published:** June 16, 2026 - **Apply:** http://informatis-ts.fr/offre_detail.php?id_offre=3062 ## About the Role * Maîtrise de Sage X3 (architecture technique) * Expertise 4GL X3, Crystal Reports, SQL Server * Atouts : Web Services/API SOAP, Syracuse/Node.js, HTML5/JavaScript, déploiement X3 Profil recherché * Bac+2 informatique ou équivalent * Min. 5 ans d'expérience Sage X3 dont 3 en développement * Autonomie, rigueur, sens de l'organisation et esprit d'équipe ## Description Vous assurez l'intégrité technique et fonctionnelle de Sage X3, en gérant son évolution, ses performances et ses développements spécifiques. Missions principales * Support technique et maintenance évolutive * Développement spécifique (personnalisations, interfaces, 4GL X3) * Gestion des mises à jour et montées de version * Administration des environnements (Prod, Test, Dev) * Supervision et optimisation des performances * Documentation technique et procédures ## Related Videos - [Recruitment Reinvented: Bold strategies and the $10K signing incentive](https://www.wearedevelopers.com/videos/1068-recruitment-reinvented-bold-strategies-and-the-10k-signing-incentive) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) - [Can SVG be fast? Rendering a scatter chart with over 10k points](https://www.wearedevelopers.com/videos/100299-can-svg-be-fast-rendering-a-scatter-chart-with-over-10k-points) - [Successful talent development in tech: A joint journey of executives and talents](https://www.wearedevelopers.com/videos/1497-successful-talent-development-in-tech-a-joint-journey-of-executives-and-talents) ## Related Articles - [Best Companies to Work For in Paris: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/190-best-companies-to-work-for-in-paris-top-25-companies-in-2023) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Best Companies to Work For in France: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/189-best-companies-to-work-for-in-france-top-25-companies-in-2023) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023)