Richard Wallman

Richard Wallman

$35/hr
Full stack developer, Linux SysAdmin, MySQL DBA
Reply rate:
-
Availability:
Hourly ($/hour)
Location:
Brownhills, West Midlands, United Kingdom
Experience:
20 years
Richard Wallman - |-Walsall, GB | linkedin.com/in/richardwallman Versatile technical manager with over 20 years of development and Linux system administration experience. I have a keen interest in designing and implementing high performance and high quality systems, using the best possible products and platforms available. I also have a strong focus on cybersecurity and process management and development, having worked to ISO 27001 and CMMI-Dev 1.3 standards. EMPLOYMENT HISTORY Chief Technical Officer | Civico Ltd | August 2013 – September 2022 Achievements            Implemented and managed on-premises and online Percona XtraDB 8 clusters Implemented CFEngine configuration management database for on-premises and online servers Implemented internal services and policies for issue tracking and knowledge sharing Implemented Jenkins build automation, using Docker for repeatable builds Implemented and managed on-premises and online Ceph storage clusters Designed and developed an extensible and cross-platform C++ streaming library for internal use Designed and developed modular C++ service application for delivery of the webcasting service Designed and developed clustered video conferencing server system based on C++ microservices Development of public and internal websites using Laravel (PHP), React.JS and Angular.JS Development of custom Wowza Streaming Engine modules (Java) Co-authored several pending patent applications Responsibilities       Management, coaching and mentoring of development leaders and teams Management of system and service documentation Management of Agile project delivery using Scrum Research of new technologies and techniques, and development of proof-of-concepts and training System and service management for bare-metal and virtual Linux servers Development and monitoring of cybersecurity, quality and data protection policies Firmware Developer | Investment In Vision | February 2020 – March 2021 Achievements  Firmware developed from requirements specification to final customer acceptance Responsibilities     Development of firmware in C for high value camera system based on a custom ARM platform Application of MISRA guidelines and Maintenance of requirement specification Liaise with hardware developers to suggest improvements to design Frontend Developer | Roompik Ltd | December 2015 – February 2016 Achievements  Implementation of UX website enhancements (e.g. infinite scroll, semantic web)  Improved SEO performance of existing website  Design and implementation of live chat facility for users Responsibilities  Development of UI/UX enhancements to web application  Development of Node.js backend with Couchbase data store Chief Technical Officer | The Freecycle Network | July 2008 – July 2015 Achievements     Designed and developed a new, high-performance bespoke hosting platform Designed and developed email delivery platform handling over a million emails per hour Designed and implemented multi-datacentre replicated MySQL database system Managed zero downtime migration of 5 million users from legacy platform Responsibilities      High performance web application design and development Management of globally-disperse development team Management of Agile project delivery using Scrum System availability and issue management Delivering the service within the tight budgetary constraints of a US 503(c) charity SKILLS            Effective communication skills with technical and non-technical audiences Strong development skills in a wide variety of languages Cross-platform development (Linux, Windows, macOS) Low-level software development skills (bare-silicon, FreeRTOS, network socket, vector processing) Strong knowledge of code quality tools (GDB, ASAN, gprof, cppcheck, libcheck and Catch2 test frameworks) Web application backend development (plain Perl/PHP, Catalyst MVC, CodeIgniter, Laravel, Node.js) Relational and NoSQL database design, development and administration Strong Linux skills (administration, networking, virtualisation, performance management) Strong knowledge of cybersecurity standards (PCI-DSS, ISO 2700x series) Coaching, mentoring and teaching of junior staff In-depth knowledge of digital video systems QUALIFICATIONS     MongoDB University certifications in Cluster Administration, and MongoDB Performance Oracle Cloud Infrastructure Foundations 2021 Certified Associate MySQL Certified Database Administrator CMI Diploma in Management EDUCATION  Diploma of Higher Education (B.Eng Joint Honours in Electronic Engineering and Computer Science) HOBBIES AND INTERESTS  Recording and editing videos from local technical group meetings  Volunteer mentor at School of Code
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