
Guillaume Sarradin
Lead Full Stack Developer | Agile & DevOps
Salaire / Taux journalier
74100 Annemasse, France
Freelance
À distance uniquement
Expertises
Langues
À propos
Introduction
Full-stack engineer with 15+ years delivering scalable solutions across Angular, React, Java/Spring, and AI integration. Currently leading DevOps and AI initiatives at Swiss healthcare projects, with proven expertise in technical migrations, Agile team leadership, and modern cloud architectures. I transform complex business needs into robust, user-focused applications with seamless CI/CD workflows.
Expérience de travail
Lead DevOps Engineer
Qualibroker-Swiss Risk & Care AG (Hortis)
janv. 2025 - Présent
1 an 10 mois
Genève, Suisse
— Java Software Maintenance : employee absence management and HR data services (severals apps and batchs) — Improve, solve business and technicals issues — Technical stack apps and batchs migration — Documentation of existing rules and DevOps procedures — DevOps : GitlabCI, MongoDB, watching logs, automation scripts, system administration // Java 21, Spring Boot, Spring Batch, AKS, Gitlab CI, Docker, SONAR, SSH, Oracle, MongoDB, VueJS 3, Angular2+ //
AI Software Engineer
HORTIS SA
juil. 2025 - déc. 2025
6 mois
Using Spring AI to : — analyze user-provided documents and align them with a standard document template — automate end-to-end test scenario generation via application discovery — Setup AI platform on a Swiss cloud solution (Hidora) // Java 25, Spring Boot, Spring AI, Ollama, LLM Vision, MCP, OpenCode.ai, Playwright, VueJS 3, Typescript //
Agile Product Engineer
HUG - Hopitaux Universitaires de Genève (Hortis)
janv. 2021 - déc. 2024
4 ans
Genève, Suisse
— Technical Migration DPI apps (Flex --> Angular 14) incl. mobile app — New DPI app : creation of fictitious patient files for training (via real files anonymized cloning) — Application screens design and implementation following the graphic mockup — Screens demo every Sprint end — Production deployment: user feedback priorization, log, monitoring and bugs hotfixing. // Angular14, Typescript, PWA, RXJS, Cypress, Figma, JEE/Spring, Java8, WebServices, SSE, Mapstruct, MongoDB, Oracle //
Amer Sports Corporation
juin 2018 - déc. 2020
2 ans 7 mois
Annecy, France
LeadTech Full Stack Agile
juin 2019 - déc. 2020
1 an 7 mois
Annecy, France
ESB Administrator and Developer — Administration : services authorization and authentication management, flow and users authorization management, monitoring, subscriptions management — Users technical support: authorizations queries achievement, messages replay, queues management, issues study — User needs development and bugs fix (Angular 7, Typescript, Java 8) — Upgrading software components (ElasticSearch, Karaf, RabbitMQ) Java 8, Karaf, OSGI, ElasticSearch, Rabbitmq, ELK, Grafana (alerting), OAuth2, REST, git, otrs
LeadTech Full Stack Agile
juin 2018 - juil. 2019
1 an 2 mois
Annecy, France
— Mobile Application for improving sales in shops (Endless Aisle) Agility working with 8 experienced engineers (Scrum), TDD, DevOps Node, Ionic, Angular2, TypeScript, Protactor, REST, DynamoDB, AWS, CloudFormation, git, Adyen
Full Stack Developer - Ippon
CERQUAL Qualitel Certification
avr. 2017 - mai 2018
1 an 2 mois
Nantes and Paris
Complete Redesign existing application in order to increase UX (speed up browsing, better usability, responsive design : to be use on every devices, offline mode) Agility working with 5 engineers (Scrum), TDD, DevOps ReactJS, TypeScript, PouchDB, Rest, Java8, Spring-boot, mongoDB, PostgreSQL Jenkins (pipeline script and multibranch), Sonar, Redmine, Git-flow, VSCode, IntelliJ IDEA
Technical Team Lead
Banque de France
avr. 2016 - mars 2017
1 an
Nantes and Paris
Technical migration for legacies JEE extranet web applications using new major frameworks guaranteeing the iso-functionality and look and feel before migration. Technical management on migration with 5 software experienced engineers. Impact studies, PoC, workload estimations,tasks assignment, QA
Software engineer / Scrum Master
Thales
oct. 2015 - mai 2016
8 mois
Cholet (near Nantes)
Fat HCI in JavaFX : terrestrial signal processing for field officers (defence) Java 8 (functional programming) and RXJava (reactive programming) Tests with real and simulated radio sensors Agility working with 12 engineers Scrum Master : burndown, dev/integration helper, demo/sprint preparation
Technical Project Manager
DigitasLBi
juil. 2015 - oct. 2015
4 mois
Nantes, France
Telematics server migration for a famous brand of car. Pre-production and production deployments. End to end tests scenario implementation : web and mobile software (Android / iOS) Tests analyzing and reporting. Test campaign tracking before live. Spoken and written English communication.
Software Engineer
Bessé
déc. 2014 - juil. 2015
8 mois
Maintenance and evolution for applications related to guarantees and disasters management using a MDA solution. JEE/JSF development under JBOSS Modeling business, view and services (Magic Draw)
Technical referent
Régime Social des Indépendants (RSI)
janv. 2011 - déc. 2014
4 ans
Nice (Sophia Antipolis)
Application Management for pension/health plan contribution and coverage business softwares (JEE / Natstar) Technical impact studies Functional / technical specifications workload estimation, tasks assignment Code review, reversibility : knowledge transfer and testing phase surpervision.
Ingénieur d'études
AFG Atlantique
nov. 2007 - juil. 2010
2 ans 9 mois
Ingénieur d'études et développement — Évolution et développement d'un projet dans le domaine de la R&D éligible au Crédit Impôt Rercherche (Java, C++) ; — développement et évolution des IHM Web extranet présentants le SI du réseau extranet Crédit Mutuel (CM/CIC) dans le domaine des risques crédits Bâle 2 ; — architecture S&R du parc informatique de la société AFG (10 machines réelles et virtuelles) et maintenance des outils internes. — divers projets en Java, PHP, SQL.
Analyste développeur et Administrateur système et réseau
Acheter-louer.fr
déc. 2005 - juil. 2007
1 an 8 mois
— Développement et évolution du portail Web fédérant les annonces des agences immobilières ; — gestion système et réseau de la société ; — prestation informatique auprès des agences immobilières.
Licences et certifications
MarkLogic Data Integration
Délivré le : mai 2026
Using MarkLogic Semantics
Délivré le : mai 2026