Raffi Sellier Email & Phone Number

Hong Kong, Hong Kong, Hk

KaiOS is an Operating System based on Mozilla Firefox OS for mobile phone. Modern mobile phone devices need a peer system on the Internet where they can store data like account information or purchased apps and get services like Kai Store, FOTA and Push. Kai Cloud consists of two dozens of micro services exposing 300+ RESTFUL API, 10+ web portals and relying on 100+ tables in our Cassandra and Redis databases.My team structured, designed, implemented and tested our Cloud system while collaborating with the Device Team of our R&D in order to make our Device+Cloud system work seamlessly.* Team coaching and management* Multi time zone team collaboration * Scalable Architecture + Worldwide Service Coverage* Agile + Test Driven Development* Multi Layered Architecture / Security* Micro Services + Docker + Etcd* Go + Java + Rust + Angular 2* Cassandra + Redis* AWS EC2 + Terraform + Docker + Kubernetes + Prometheus + Grafana + Centreon* Key Strategic Projects to provide key features portofolio (see Projects for details)

* Cloud and virtualization technologies* Big Data* System Architecture* Team Management* Development (Golang, HBase, Java, Amazon Web Services - EC2, NATS, Redis, MySQL, RESTFUL, HTTP 2.0, CBOR, MQTT)

Provide consulting services and tailored development services with a focus in IS/IT.Consulting:* Big Data* Internet of Things* Audit and report redaction* System monitoring* Disaster Prevention* Data Center Operation* Helpdesk SupportSystem development:* On site Analysis and Software Requirements Specification document redaction* Off-site design and implementation * Testing (Unitary and Functional Testing)* Deployment and documentation* User Acceptance Test and Sign-Off

Tbilisi, Tbilisi, Ge

* Teacher of Physics for MYP IB section* Teacher of Digital Design (Java Programming) for MYP IB section* Teacher of IT for Middle School of American High School Section

Shenzhen, Guandong, Cn

Responsibilities:* IS/IT Shanghai Site Manager: Managing a team of 45+ persons, responsible for headcount forecast, recruitment, and retention, team building, carrier development, monthly evaluation (KPI).* IS/IT Strategy: Support the global IS/IT director to take the best decisions about IS/IT Urbanization according to technical and strategic considerations. Follow technology trends.* Technical Consultant: Lead development of strategic tools (FOTA for Android smartphones). Introduced Linux based servers, Open Source Applications and Cloud Computing ... . * Project Management: Oversee or manage all IS/IT projects developed in Shanghai site* QA Management: Responsible for IT systems development quality and maintainability.* Security Consulting: Analyzed several attacks of our systems and provided corrective actions and design principles.Main Achievements:* Architect of our FOTA solution for our Android phones* Architect of our feature phone firmware upgrade solution* Grow the team from 14 persons to 45 persons* Created in-house support capability* Continuous cost down thanks to open source alternatives* Developed in-house skills like PTC Windchill PLM consultant.* Pushed and lead migration from Solaris to Linux servers and increased QoS.* Pushed maximum use of Open source tools (mainly LAMP solutions) for web development.* SLA Definition and Operation: Helped defining KPI measurements and setup the proper measurement mechanism for quantitative evaluation.* Data Center setup and Monitoring (Centreon/Nagios)

Shenzhen, Cn

Responsibilities:* People Management: both the SCM and R&D teams of 3 and 4 persons respectively in IS/IT department of Shanghai (China) site.Project Management: lead systems transfer from France to China, office moving, system connection with strategic partners.* Supported Software Department (Version Contro, Bug Tracking, Build Tool Chain, Debugging, Software Design) .* Supported Mechanical/Hardware Departments (3D and 2D engineering tools, ...). Main Achievements:* Managed system transfer during the transition period (M&A) without disrupting service.* Managed knowledge transfer during the transition period (M&A)* Managed the Unix (Solaris) servers moving during office moving.* Insured QoS during the transition period (M&A of Alcatel Mobile Phones by TCL) for the SCM.

Responsibilities:* Team Leader* Support commercial applications* Maintain existing tools* Developed Tools on Demand* Requirements AnalysisAchievements:* Trained 200+ persons in UML and Software Development Process* Supported 200+ persons* Directly participated to the development of a new Software Development Process for 130+ persons* Developed many tools to help engineers in their daily job* Manage tools development

Paris, Ile-De-France, Fr

Responsibilities:* Software Engineer* Software DesignerAchievements:* Designed and developed miscellaneous applications for big European customers within development teams. * Used different technology and languages on different platforms ranging from 8051/6809 embedded systems to Unix mainframes.

Paris, France, Fr

Responsibilities:* Application and Tools Developer* Job Operator on several Cray Systems (Saclay, Grenoble site and DKRZ of Hamburg)Achievements:* Optimized simulator computing time and gained 17% of performance (1 hour of Cray = 1500 euros)* Generated 500+ GB of atmospheric forecast data

Mba, Finance, General

Post Graduated, Computer Science Applied To Earth Science (Gis)

Ms, Fundamental Physics