David Walker
Development
OK, United States
Skills
.NET
About
David L. Walker's skills align with Programmers (Information and Communication Technology). David also has skills associated with Consultants and Specialists (Information and Communication Technology). David L. Walker has 27 years of work experience, with 10 years of management experience, including a mid-level position.
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Work Experience
Senior Cloud/DevSecOps Consultant/Architect
CDW/Locus
February 2023 - December 2023
- Multiple DevOps Clients/Project with IaC/Migrations - Azure/DevOps, Terraform, PowerShell, YAML, Azure CLI, Jenkins, Maven, TFLint, TFSec, Infracost, Checkmarx, SonarQube, "Largest commitment in Azure history" per Microsoft. Massive migration (approx. 1500 apps) from Transunion/Octopus Deploy to Azure/Azure DevOps/Terraform completed/deployed early.
Senior Cloud/DevSecOps Consultant/Architect
RevUnit
September 2021 - January 2023
- B2B/SaaS: Infrastructure as Code, Azure DevOps, Functions, Repos, Azure Container Registry, Auth0, BizOps, GitOps, CloudOps & OWASP. Migrated bash scripts and Azure ARM Templates to Terraform Modules, YAML, PowerShell, Azure CLI
.NET/Sitecore/Search/Solution Architect
AmericanEagle.com
March 2022 - August 2022
- 6x 10.2 Sitecore Upgrades, 2x Coveo custom facets, crawlers, Azure DevOps, OWASP, Scriban, SXA, JSS, MVC, C#
Principal Sitecore Architect/.NET/Dev Advocate/Evangelist
SearchStax
October 2021 - February 2022
- Architecture & Development of SearchStax Studio for Sitecore Plugin and SearchStax Studio Module for Sitecore 9-10 using Azure DevOps, C#, VueJS; Being the "Voice of the customer/developer" to the product/development team; Delivered numerous feature enhancements, proof of concepts, product roadmap, cross team collaboration and mentoring.
.NET/Sitecore Architect
First Republic Bank
July 2021 - October 2021
- Sitecore, MVC, Azure DevOps, PAAS - Upgrading 8.2 to 10.1 with and without Docker, Sitecore 10.1 - Demos/Proof of Concept versions of JSS with Angular, NextJS and React, supporting existing Sitecore 8.2 GlassMapper/MVC, collaboration with designers and translated Figma components into html components utilizing Atomic design components/principles.
.NET/Sitecore/Azure Architect
VIVA/Fed Reserve Bank
September 2020 - July 2021
- Sitecore, MVC, Azure DevOps, PAAS - Upgrading 7.2 to 9.3, testing 10.0 and 10.1, Docker, Selenium, Cucumber Migrated numerous hard-coded MVC forms and some WFFM (Web Forms for Marketers) to Sitecore 9 Forms Upgrading Sitecore 7.2 to Sitecore 9.3-10.1 Helix architecture with TDS, MVC, C#, some SXA, custom Azure Search Indexes
.NET/Sitecore/Commerce Architect
Syrinx/Terminix
December 2019 - August 2020
- Sitecore 9.2/9.3, Sitecore Commerce, SXA, MVC, C#, Azure DevOps, PAAS - Upgraded Sitecore Commerce 9.0.2 to 9.2 99% automated Azure DevOps deployments, including: local developer build, Azure deployment, content using Unicorn, Helix architecture-based project and components using SXA and MVC with GlassMapper, MongoDb, and Redis
Expert Advisor/.NET/Sitecore/IAM
Judge Group
July 2019 - December 2019
- Sitecore 9.1, C#, JSS, Angular, RxJs, React, MVC, TypeScript, API design, GraphQL, Kong, healthcare provider/patient digital front door/portal. Integrated Sitecore Identity Server, Ping, FHIR and Cerner API for medical/patient records Authorization. Reduced technical debt/code of project by 20-30% quickly with minor adjustments to Angular/JSS component inheritance.
Cloud/DevOps Architect
RBA, Inc
January 2019 - June 2019
- Sitecore 9, Sitecore Commerce Server upgrade 8.x to 9.0.x, Coveo Cloud, deployment automation for multiple projects 99% automated Azure DevOps environment creation and code deployments: dev, integration, QA, staging and production. Custom Sitecore Commerce 9 ARM templates PaaS to IaaS, AppInsights, Azure SQL, Coveo, MongoDb, Redis, and YAML
Principal Solution Architect/.NET/DevOps/Cloud
Clear Measure
October 2017 - January 2019
- Lead, manage delivery, enablement/mentoring/training, presales: DevOps, DevSecOps, .NET, AWS, Azure and Sitecore. Proactive and influential contributor to the definition, enhancement, and expansion of services catalog & product offering Successfully managed customer and provider relationships exceeding customer expectations. 4+1 architecture diagrams. Built Azure DevOps extension to automate, audit, measure, compare and report on DevOps enterprise maturity, security. Technologies: AWS, Azure DevOps, Cake, Gulp, PSake, PowerShell, Desired State Configuration, Octopus Deploy, New Relic, Selenium, SonarQube, TeamCity, YAML; advocate/demo: Docker, Kubernetes, Ansible, Chef, Jenkins, Terraform
Senior Sitecore Architect/.NET/DevOps/Azure
Layer One Media
February 2017 - September 2017
- Lead and manage delivery, enablement (training, mentoring) and presales activity for .NET, Azure, and Sitecore Practices. Successfully managed customer, partner, and provider relationships to maintain high level customer satisfaction. Delivered and deployed numerous Sitecore/.NET projects using TFS for Continuous Integration/Deployment & Azure Built fully functional POC Microsoft BOT framework "chat simulator" as potential Tier 1 support versus Tier 2 - human. Onsite client deployment of SOLR search on premise across local, dev, QA, and production environments.
Associate Director - Digital Services
VirtusaPolaris
November 2015 - December 2016
- NET/Commerce Led and managed delivery, enablement and presales activity for .NET, SharePoint, Sitecore, uCommerce and Cloud Practice staff, Defined KPI metrics, standards, best practices, and framework for all practices for 100-150 employees in 5-10 countries Management of employee competency, certification, training, and Center of Excellence programs across many areas 30% increase in certified developers by leading practice-wide training and certification initiatives
Sitecore Practice Director/.NET/DevOps/Azure
TechAspect
March 2015 - October 2015
- Led and managed Sitecore and .NET Practice of 30-35 staff, including their professional and technical development. Defined KPI metrics, standards, best practices and framework for all practices and .NET, Sitecore & Cloud specialties Technical presales, RFP responses, Scope of Work preparation and established product development framework/process Partnership and provider relationship management with numerous key technology and platform partners
Senior Sitecore Architect in the Digital Cloud Practice/.NET
XCentium
April 2014 - March 2015
- Rearchitected $6M+ daily sales record eCommerce B2B and B2C site with 1.4M+ microsites in 4 countries - Angular, Sitecore Established enterprise standards for .NET, Sitecore, Cloud and Open-Source Development best practices. Successfully managed customer relationships and turned around numerous projects to meet customer deadlines.
Public Web Architect/.NET/DevOps
FMC Technologies
January 2013 - April 2014
- 200% reduced operating costs, increased performance, and scaled from 3 servers to 20+ to new cloud provider. $2M 2-year, Global Talent Acquisition project (multi-directional integration of Sitecore and SAP E-Recruiting module with BizTalk 2013) hands-on management and development using third party consultants and internal developers. C#, ASP.NET, CSS, JavaScript, Established TFS ALM enterprise standards for unit testing, code coverage, continuous integration, and deployment. Partner and provider relationship management with numerous key technology and platform partners, HP Fortify
Senior Application Development Manager/.NET/DevOps
Microsoft
June 2009 - January 2013
- 100% customer-facing mentor to Fortune 1-100 companies on efficient usage of technology to improve business agility and health, full SDLC from best practices to operations, managing, monitoring, performance tuning and product roadmaps. Instrumental in problem resolution of mission critical business systems for multiple Fortune 100 clients, including Wal-Mart, ConocoPhillips, Chesapeake Energy, Devon Energy, HP/EDS, Sysco, United/Continental Airlines, and many others.
Technical Specialist in the Microsoft Practice Area
The Revere Group
March 2008 - May 2009
- Delivered large, high traffic Sitecore website for Lexis Nexus translated into over 30 languages; Delivered several complex Sitecore multi-site components for 1105 Media: forums, news, and event management; Provided development assistance, mentoring, and code which was included in Sitecore's JetStream Demo application. ASP.NET, C#, HTML, CSS, JavaScript
Manager Software Development & Technical Architecture
WinnerComm
March 2007 - March 2008
- $1.5M - 100k projects - managed complete client solutions from initial needs assessment interview, scope of work, contract, proposal creation, architecture, full software development life cycle and delivery; Designed, developed, delivered, and maintained 8 out of 10 of the MSN reported highest traffic web sites; Transitioned web farm of high traffic, $1M eCommerce enabled web sites from a fragile to a scalable architecture after careful evaluation, design and implementation of wide range of architectures for each client/project utilizing a variety of cloud/hosting: AWS, Azure and private cohosted environments, CMS: Sitecore, SharePoint and several custom built and with deep integration with eCommerce systems, payment gateways and processors, CDN systems: Akamai, Limelight and Level3, Brightcove and others for video processing/streaming.
Solution Architect
TAC Worldwide/IBM Global Svs/Williams
April 2006 - March 2007
- Consolidated 300+ servers and 600+ applications to 5+ virtual VMWare servers and planned future server reductions; Architected scalable solutions with multiple integration points between PeopleSoft, Remedy and Active Directory; Managed high-volume oil and gas GenTran EDI/GISB transaction system, RabbitMQ, C#. Apache Tomcat Admin, Java, JavaBeans.
ComTec Consultants
July 2023 - Present
- Contract: .NET/Sitecore/eCommerce/Angular Dev Multiple eCommerce Sites/Teams - Sitecore 10.2, XM Cloud, OrderCloud, Figma, Sass, Visual Studio/Code, Azure DevOps, Angular, React, Nextjs, TypeScript, C#, JQuery, JavaScript, CSS, Material, Google Analytics, Okta MFA, Veracode/Greenlight