Christophe Andrey

- Designed and implemented solutions for editing a rail network topology on a geographical map, using ArcGIS Pro, Spring Boot and OpenShift. - Specified and implemented an optimization algorithm operating on graphs, enabling an efficient, automatic calculation of train schedules. - Participated in the design of the company’s integrated topology platform, by specifying a customizable microservice combining the different aspects of a topology. - Tech lead of a self-organizing, cross-functional DevOps team

- Evaluated the feasibility of an application for managing the railway network. - Conceived, evaluated and verified solution architectures. - Designed alternatives ways to integrate a new GIS platform into an existing topology system (a temporal database with long transactions). - Built proofs-of-concept with ArcGIS Pro (C#), ArcObjects (Java) and Oracle Locator (PL/SQL). - Assumed the technical lead in a self-organizing, cross-functional team.

- Developed highly customizable GUIs for the management of portfolios. - Reversed-engineered parts of a proprietary framework based on RCP. - Integrated the continuous deliveries of external companies supplying backend and frontend components. - Ensured the multi-version capability of GUIs using OSGi.

- Designed the architecture, specified and prototyped a secure data processing pipeline transporting biometric data captured by private companies throughout the world and centralizing it into the Swiss visa application system. - Defined a standard data exchange format for visa applications using XSD, RSA encryption, cryptographic message syntax (CMS) and digital signatures based on the Swiss AdminPKI. - Gathered and negotiated requirements for the system with its two different sponsors.

Software Architecture, IT consulting

Prepared and chaired a 3-day conference of 500 delegates from all over Europe. The annual general meeting is the decision-making body of ESN. Built, coached and managed a team of 3 vice-chairs. Set the conference's agenda together with the ESN's international board and the various opinion leaders in the organization.

Designed and developed interactive applications automating manual processes in a web portal using Swing

Designed and developed the web interface of a distributed monitoring system for highway tunnels, using Struts and JBoss.

Security and distributed systems