Ha - Développeur JAVA

Google Cloud Platform architect & lead engineer
+ Conception and build applications relied on Google Cloud Platform : All data pipeline from Storage => Scheduler => Functions => Pub/Sub => App Engine & Kubenetes => Memory Store (Data Store + Redis) => Dataflow => Big Query. For new projects : based on Docker container + deployment to Kubenetes Engine. Language : Python, Java 11.
+ POC of new application using Spring boot + Kubenetes and deployment by Jenkins
- Log system lead engineer
+ Take charge of kafka infrastructure : broker, zookeeper, consumer as well as configuration : topic, offset, etc.
+ Develop new functionalities and monitor the logging system
+ Develop new Kafka messages in Google protobuf format
+ Consume kafka message in different Kafka consumers: Secor where message are converted into Json + Parquet (then uploaded to AWS and GCP) and Flink where message are consolidated for billing purpose.
- Conversion of actual library to micro-service
+ Convert from maven library to spring boot application (from scratch) using gRPC based on Google Protobuf as communication interface (Spring core, configuration, logger, error managements, metric services)
+ Define API using Protobuf message
+ Develop adaptation layer in new spring-boot application in order to use actual library
+ Develop adaptation layer in current application to use newly developed application
+ Define docker config and use appli as container while waiting for Kubenetes infrastructure to be deployed
- Architecture community to define new micro-service architecture conversion

Senior Java Developer

Backend Application for ticket reservation system.
- Develop new application Best Price Provider (BEP) to replace Offer Warehouse
+ Develop from scratch new application which provides best price per day
+ Study state of the art of old Offer Warehouse and design new application BEP.
+ Develop application with intelligent caching system Redis, TDD, BDD, REST API, multithreading and resource managing which responds to big volume and high level of availability.
+ Monitoring with Kibana, Grafana and performance testing with Gatling
- New functionalities development with Eurostar web-tier team in England
+ Study impact and redact technical + functional documents
+ Develop servlets receiving SOAP calls from Web-tier
+ Make SOAP calls to WDI backend by applying specific Eurostar rules
+ Unit test and integration test with JUnit and Mockito in TDD
+ Test web service APIs with Swagger
+ Version Management with GIT
+ Migration of existence to Java 8 and refactoring of codes
- Test automation with SOAP UI and Groovy script
+ Build templates (booking, exchange, after-sales service, etc.) and integrated them into test cases + test suites
+ Coding the library of query building and response processing with Groovy + assertor
- Devops: Platform installation until Recipe with Jenkins, Rundesk, Katana (VSCT internal tools)
- Project management: Agile Scrum, Kanban with 3 weeks sprints

Senior Java Developer

B2B web application which allows company to save money on employee business travel (flight, train, hotel, etc. tickets and reservations)
- Backend: Connect with GDS (Global Distributed System) in Travel industry for availability and reservation: Amadeus, SilverRail, CDS, HotelHub, Trainline, etc.
+ service REST to external system for data recuperation
+ coding with Java 8, SQL with JDBI for data processing
+ building and deploy application with maven, automatically process version control by jobs Jenkins
+ code version control and code review using GIT and automatic behavioral test with cucumber
- Business layer: link between backend and front end by proprietary format
- Front end: Improve in permanent administration for Travel Rules configuration and whole booking flow in JSP, JavaScript, CSS, JSF, GWT

Development Engineer

Payment frontend JAVA team
- Study client demand and develop primary solution
- Redact specifications and solution sizing in accordance with marketing and budget line.
- Develop airline tickets booking web application. Specifically payment, ancillary services and agent fees solutions in backend.
- Develop Payment framework: Open connector, AMOP, Paypal, EMV, etc.
- Maintenance support for quality assurance and production
- Project mode : Scrum using Jira
Skills: Planning, solution sizing, specification redaction in English, Clean code, design patterns
Working environment: International with more than 60 nationalities with English as official language

Subject: Client / Server Web Application for very large 3D medical images display and rendering
- Study application existing state of the art & Design, develop and migrate web application.
Domain: Web Application, Software Development. Skills: Planning and report redaction