Guillaume Waignier Email & Phone Number

Lille, Fr

Région De Lille, France

Domain:• Coaching on Data-centric architecture• Implementation of High-availability Log centralization (Elastic Stack)• Elasticsearch (Architecture, tunning, indexation speed, mapping, scoring, backup, upgrade, ...)• Kafka (Architecture, tunning, supervision, multi DC, Kafka Stream ...)Customers:• Axa, Oney, IT-CE, Matmut• ADEO, Auchan, Boulanger, Decathlon, Leroy Merlin, Lyreco, Vertbaudet• DSIA, Ouest France, RadioKing, Real.not (notaires.fr), SNCF, Zeegow

IT Trainer:• Elasticsearch Developer• Elasticsearch Ops• Kafka Confluent Developer• Kafka Confluent Operations• Kafka Confluent Stream processing• Couchbase NoSQL server Administration CS300• MavenCustomers:• Axa, BNP, BP-CE, Credit Agricole, Groupama, Maif, Matmut, Société Générale• Advens, Capgemini, Ineat, Infopro digital, SII, Sopra Steria, Worldline, Zenika• Bouygues telecom, Orange, SFR• Adeo, Auchan, Boulanger, Décathlon, Fnac, Lyreco

Lille Area, France

Event driven architecture & microservice REST API for Boulanger• Design and implementation of the architecture• Domain driven development (store, catalog, price, stock, ...)• High throughput and low latency API (<100ms & >4kcalls/s)• Optimized API (120 Mo max of Java Heap, multithreaded, >90% test code coverage)• High-availability with multi-datacenters deployment and horizontal scalability• Full clustered data store (MongoDB, Consul, Elasticsearch, Kafka, Hazelcast)• Near Realtime data integration (kafka, stream processing, distributed and horizontal scalability of all integration processes)• High monitoring (prometheus, alertmanager, grafana for metric)• Log centralization (Elasticsearch, filebeat, logstash, kibana, curator)• Security with authentication (LDAP, SASL/SCRAM), IPsec Rancher, SSL• API Management (gravitee.io)• Continous delivery & Zero Downtime Deployment (GIT, Maven, Jenkins 2, Nexus, SonarQube, Ansible, Docker, Rancher, Confd, Consul, Traefik)• Agnostic architecture to the host provider (cloud ready)• Development of the API Framework: Java8 (stream/lambda), Spring5 (Core, MVC, Reactor), AspjectJ, Lombok, FreeMarker, Orika, Logback, Jetty, Netflix Feign, Swagger, Junit, Mockito, WireMock• Methodology: agile, 15 days sprint, peer programming, clean code, git flow, code review

Région De Lille, France

Product review API for Leroy Merlin• Design and development of REST API with low latency above Bazaarvoice• Technology used: Java8, Spring4, OAuth2, EhCache, Lombok, WireMock, Jetty, GIT, Jenkins, SonarQube• Methodology: agile, peer programming, clean code

Région De Lille, France

API Platform for Boulanger• REST Microservice & Domain driven development (store, customer, sms, ...)• Set up of the Continus integration platform (Maven, jenkins, SonarQube, Nexus)• Install of API management (API access control, analytic, API store)• Implementation of High-availability Log centralization (Elasticsearch, logstash, kibana, filebeat, kafka, docker)• Development of the Java Framework for the API (Java8 with lambda/stream, Spring4, Jersey, Swagger, Orika, AspectJ, Lombok, Logback, Junit, Mockito)• Relational Database (Oracle) for customer data• Set up of Search engine (Elasticsearch) for store, pickup point, product• Set up of Distributed cache (Hazelcast)

Région De Lille, France

Software architect in the innovation unit(supervision of the team / design / code quality supervision)• eCommerce platform for Carrefour (international, offshore, food & non-food)• Android & iPhone application for SwissLifePre-sales• Cost estimation, presentation• Business development• ConsultingTrainer• Java• Android• iPhone

Région De Lille, France

Technical Manager in the innovation unit(supervision of the team / design / code quality supervision)• Interactive kiosk for Carrefour Planet• B2B WebSite for Electrabel• Virtual visual management tool for Capgemini• Technology used: Spring 3 (MVC, AOP, WebFlow), REST jersey, Oracle 11G, Dozer, Ehcache, WebSocket, CXF, Velocity Software Engineer in the innovation unit(design / development)• Application iPhone Boulanger• Application iPad CGMockup• Application iPad CGSlide• Technology used: ObjectiveC, Xcode

Distributed system, Java, C, Unix

Development of a personal health record system for mobile phone.Development of a Eclipse-based IDE for agile softwares.Writing technical papers for international conferences (USA, Germany, Spain, Belgium, France)

Licence et Master informatique.Java, C, RMI, Servlet, Corba, Web Services, UML, design pattern.

Doctor Of Philosophy (Ph.D.), Computer Software

Activities and Societies: INRIA ADAM Project-TeamA Model-Based Framework to Design and Debug Safe Component-Based Autonomic Systems

Master'S Degree, Computer Software

Licence, Computer Software

Deug, Computer Software