Bob Cripps Email & Phone Number

Colyton, England, GB

Brussels Area, Belgium

Development on VoIP network boxes. Kamailio, Asterisk and various other network components. Java, ‘C’, some Python and Perl. Specifically:Kamailio service enhancements. Native cfg, perl and python KEMIDebian packaging and development of Ansible playbooks for deployment.Dockerizing services for integration testAsterisk call control agent maintenance and.

Chancery Lane London

Enhancing company scanning application.Wrote from scratch a C++ driver to control a Leica BLK360 scannerAs usual during development phase test as much as possible on a desktop before final testing on the target.C++11 Multi-threading, STL, lamdas etc.

London, United Kingdom

Enhancing the Just Call Me Conferencing Application for "All Hands" functionality

London, United Kingdom

Integrated the VoIP Engine described below into a client's existing Xamarin.Android and Xamarin.iOS application. This includes the full VoIP UI. (completed May 2017)Over summer 2016 have developed a cross platform Xamarin C# VoIP engine binding to a low level PJSIP/PJMEDIA Voice Engine written in 'C' and C++. The low level engine will compile for and run.

London, United Kingdom

integrated the Truphone Android VoIP Application with Good Dynamics Secure Mobile Platform for specific customers.

Paris Area, France

Worked on Libon project. Completed a complex Android platform specific audio quality improvement feature. The feature has a UI component and low level code written in 'C' to access the Linphone audio stack. JNI to access the 'C' code. Tools - Android Studio and NDK under Linux.

London, United Kingdom

BDD of OSGi bundles to control the SIM OTA provisioning web application I developed previously.Running in JBoss Fuse, the key technologies being used:Apache KarafJMS using CamelDependency injection using SpringMySQL database accessed using JPA.BDD system test harnesses written using JBehaveJIRA for managing two week sprint cycles

London, United Kingdom

Developing handset and network communications Software.Developed prototype Android Mobile Data Usage Application including the JSON Web services engine and the UI with layouts incorporating achartengine for rendering charts.Developed Android client side XMPP extensions library for a new product.Using the SMACK library for the core XMPP protocol.

Designed, developed, documented and tested a Servlet running in Apache Tomcat 6 container on Windows Server. It provides client REST services for over-the-air (OTA) provisioning of SIMs. The business logic adapts the REST services to the Java API provided by the SIM OTA host. One of the REST services adapts a client to an OTA host SOAP service..

Not continuous contracts but over an 8 year period:All C++Designed, developed, documented and tested a Telnet protocol adapter DLL. Developed the PPP LCP protocol extensions for the existing PPP stack.As a developer in the core Telephony team, developed the last solid release of the Telephony library used in various Nokia and Sony Ericsson phones.As team.

All C++Took the Nokia S60 Bluetooth UI and modified it for a tablet phone (Series 80 UI) with a new at the time touch screen. Liaised directly with Nokia development in Helsinki, Oulu and Tampere.Skills Used: Various C++ IDE’s, command line build tools, Perforce Source Code Control.

All 'C' & C++Ported the Nokia GSM data stack from Nokia’s proprietary OS to run on Windows CE and Psion’s series 5. Tricky multithreading exercise in Win32 and Epoc32 (Symbian OS)Skills Used: ‘C’ & C++ All command line tools

Specified the Network Management System for a TETRA switch.Wrote the ASN.1 MIB for the management clientSkills Used: Documentation mainly.

All 'C'Developed a cut down PPP multilink to aggregate ISDN primary rate channels. Target board hardware Motorola 68xxDeveloped LynxOS and Windows NT (NDIS ) PC side drivers. Skills Used: Visual Studio 5 and various command line tools

All 'C' & AssemblerDesigned, developed and tested a Frame Relay module for 68xx target boards. Developed for the PC, a DOS multitasking wrapper in assembler to test on an 8086 PC prior to running on the target. Ported the z80 target X25 firmware to a 68302 target.Developed an IBM 3270 PC terminal emulator Skills Used: ‘C’, z80, 68xx & 8086 assembler