Power Platform Developer

David A. Littlefield

Power Platform Developer Sharepoint Developer

*************@*****.*** • +1-231-***-****

LinkedIn • Beulah, MI 49617

Innovative IT leader with 30+ years of experience driving digital transformation across enterprise environments. Specializing in Power Platform, SharePoint, and web/software development for over 14 years, I deliver modern solutions that integrate AI, chatbots, and legacy modernization. Known for ensuring data integrity, optimizing system performance, and resolving complex technical challenges. A trusted expert in security, infrastructure, and full-spectrum technical support—committed to continuous innovation and business-focused outcomes.

Technical Proficiencies

Software: Microsoft Power Platform, M365, Power Automate, Power Apps, Canvas Apps, Model-Driven Power Apps, Power Pages, Dataverse, SharePoint, Dynamics 365, OneDrive, Power BI, Azure, DevOps, Microsoft Office (Word, PowerPoint, Excel, Outlook, Teams, Access, OneNote, InfoPath, Forms), CoPilot, ChatGPT, Postman, REST API, Connectwise Automate, Connectwise Manage, Connectwise Control, VMWare, Nintex Workflow, SQL Server, Microsoft Visual Studio, Active Directory, Exchange, IIS Server, ServiceNow (training) Programming/Scripting: HTML, CSS, Javascript, C#, Visual Basic, JQuery, AG Grid, Angular, MS Powershell Operating Systems: Windows 10/8/7/XP/Vista/NT/98, Windows Server 2000/2003/2008/2012/2016/2019, Unix, Linux Web Based Tools & Utilities: DUO (2FA), Backup Radar, Webroot Antivirus, Cisco Umbrella Security, KnowBe4 Automated Security Awareness, Sophos Security, ThreatLocker Access Control, ITSupportPanel Certifications

Microsoft Certified: PL-100 Power Platform App Maker Associate (2024), MTA: Software Development Fundamentals (2018) Professional Experience

Advanced Research Projects Agency for Health (ARPA-H) Phase 5 Consulting, Support Contractor, Remote

Power Platform Engineer Web Developer

2024 — 2025

● Designed and developed a custom Microsoft Power Apps Canvas application for calendar management, integrating an Outlook Shared Resource account as the primary data source and a Dataverse table as a secondary metadata repository. Engineered dynamic side panes and modal windows to facilitate intuitive data entry, modification, and viewing experiences. Implemented complex Power Automate Flows to automate event creation, updates, and a multi-step custom approval process, ensuring seamless synchronization with the data sources.

● Customized Microsoft Power Pages to align with Figma-provided UI/UX designs using advanced CSS, JavaScript, and AG Grid components; implemented complex visual and interactive enhancements, including overcoming platform limitations by tailoring Entity Lists with Liquid templates and FetchXML for dynamic grouping, filtering, and responsive layouts.

● Administered, maintained, and enhanced the ARPA-H Intranet Power Pages platform, performing real-time content updates, refining and restructuring Web Link Sets, Web Links, and Code Snippets to align with evolving business needs. Leveraged Common Data Service (CDS) for structured data management and streamlined deployments across Test and Production Power Platform environments.

● Executed multiple UI/UX enhancements by applying industry-standard design principles and user-centered modifications derived from Figma-based wireframes and prototypes. Collaborated with UI/UX SME to refine interface elements, improve accessibility, and optimize overall usability within Power Apps and Power Pages environments.

● Extensively utilized Jira for Agile project lifecycle management, maintaining detailed sprint planning, backlog prioritization, issue tracking, and resolution workflows. Contributed to Agile ceremonies, including stand-ups, sprint reviews, and retrospectives, ensuring alignment between development efforts and business objectives.

● Public Trust (T4) clearance investigation initiated for ARPA-H; process paused following government contract cancellation. Page 1 4

eGroup Enabling Technologies, Remote

Power Platform Engineer Sharepoint Developer

Transformed workflows and business processes for diverse clientele, delivering seamless integration and optimal performance across various business environments. Ensured data integrity and seamless data flow by administering, maintaining, and enhancing SharePoint Lists, Libraries, and Power App forms by using advanced methodologies.

● Optimized efficiency and processes by overhauling and migrating four intricate workflows from legacy SharePoint 2013 to M365 environment using Power Automate and Power Apps. Replaced default Sharepoint list forms with intricate Canvas App forms.

● Streamlined operations and augmented organizational efficiency by deploying and managing Dataverse tables for innovative employee disability management solution, integrating Model-driven Power Apps.

● Automated employee onboarding and account creation workflows for a county school system, improving administrative efficiency with innovative solutions designed and executed using Power Automate, MS Forms, and REST API. Tested custom connectors containing the specific API to be used in other school system projects.

● Enhanced user satisfaction and system functionality by providing expert technical support for Power Apps, SharePoint, and Power Automate within a corporate client's custom intranet.

● Demonstrated proof-of-concept solution for invoice processing by using MS Syntex capabilities, driving exponential efficiency gains and reducing manual intervention with AI modeling.

● Showcased feasibility of integrating advanced technologies within collegiate online academic support by developing a proof-of-concept scenario using Power Virtual Agent (chatbot) to optimize operational workflows. SafetyNet, Inc - Managed Service Provider (MSP), Traverse City, MI Power Platform Sharepoint Developer Lead System Administrator Office 365 Admin 2020 — 2023

Delivered direct troubleshooting for client servers and networking infrastructure as a Network Administrator providing 3rd Tier Support Escalation. Developed and implemented innovative SharePoint and Power Platform solutions, optimizing business processes and enhancing system functionality for diverse clients. Assured robust access controls and data protection by managing SharePoint security for SafetyNet Office 365 Site Collections. Resolved system, user, and application issues through direct client interaction via phone/chat or remote desktop support using Connectwise Automate.

● Facilitated seamless communication and assignment of POs for major armor manufacturing client by designing and applying temporary PO management solution in SharePoint, including a custom data entry form and status display page using HTML and CSS. Created custom dashboard to display real-time PO data/status in both Power BI and Excel.

● Enabled daily health reporting for internal employees through automated COVID-19 screening solution in SharePoint, utilizing MS Power Apps for entry form creation and MS Power Automate for workflow routing, ensuring privacy compliance with secure data handling.

● Oversaw internal tools for managing over 4600 client devices in Centralized Services department, managing automated monitoring alerts and IT ticketing system by using Connectwise Automate RMM and Connectwise Manage for efficient problem resolution and client billing.

● Provided personalized on-site and remote sysadmin support as a Proactive Network Administrator, adhering to Technical Health Assessment guidelines to drive clients met required standards regularly.

● Executed server and network installations and special projects for various clients as part of the Engineering Team, enabling efficient deployment of IT solutions.

GDIT - USAFRICOM Kelley Barracks, Mohringen Germany Microsoft SharePoint Developer Dynamics 365 Administrator 2017 — 2019

Delivered advanced SharePoint solutions and robust system administration for enhancing IT infrastructure and user productivity across diverse environments.

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● Tracked over 14,000 devices across AFRICOM network by creating a SharePoint client-based Configuration Management Database (CMDB) solution, leveraging custom InfoPath form for seamless data entry, updates, workflow notifications, and approval processes.

● Streamlined access to IT documentation for Office of CIO by designing and executing a dynamic documentation menu, enabling OCIO staff to maintain content with list items dynamically displayed by using XSL, JavaScript, XML, CSS, and SharePoint.

● Ensured uninterrupted user productivity post-migration by evaluating and testing USAFRICOM Intranet Portal during its transition from SharePoint 2010 to 2016, identifying and resolving page, site, and solution issues.

● Maintained operational efficiency by providing user assistance, guidance, and issue troubleshooting as part of continuous portal team help desk, addressing a wide range of user issues on USAFRICOM Portal.

● Managed Windows server environment, SharePoint 2013, and Accenture Task Management Tool based on Dynamics CRM 2013 as a Senior System Administrator for AFRICOM Task Management Tool. CSRA - MARFOREUR/AF PanzerKaserne, Böblingen Germany SharePoint Developer Web Developer

2016 — 2017

Improved document accessibility and streamlined preparations by developing a Read Ahead document landing page and repository, centralizing status tracking and information access with automated updates. Drove proper operation of two distinct classified SharePoint Intranet systems, providing user support and guidance.

● Designed and supported SharePoint 2013 solutions, enhancing administrative tasks and user communications for 300 users within MARFOREUR/AF.

● Enhanced readiness by automating distribution of monthly 'hit lists' to designated representatives with a Health Services Readiness solution, streamlining processes.

● Boosted efficiency by researching and designing Event Reporting automation solution, extracting event data from SharePoint lists and SQL Server into Office 2010 products as part of a development team.

● Facilitated user communications and data sharing by developing solutions for command administrative tasks within SharePoint 2013 environment.

Cumming Construction Management Inc, Murrieta, CA

SharePoint Developer Sharepoint Administrator

2015 — 2016

Enhanced project management and documentation by creating a searchable and sortable SharePoint list/database for construction codes and subcontractors. Ensured private document viewing for bidding by designing a public-facing SharePoint list for one-way sharing of company/project bid documents with external users.

● Oversaw SharePoint 2013 and Office 365 intranet and internet environments for 475 users, enhancing administrative functions and client communications.

● Enhanced invoicing efficiency by engineering a revised invoicing system for ~40 profit centers, utilizing Nintex workflow for file change notifications and permissions modifications.

● Streamlined annual evaluations with a SharePoint/InfoPath-based career advancement tracker system, developing a 'living' evaluation document form for continuous updates and storing scores/comments in a SharePoint list for management metrics.

● Improved accessibility and organization by developing a company 'PlayBook' menu and file system in SharePoint, creating a centralized repository for updated company templates, samples, and documentation procedures.

● Provided up-to-the-minute construction status updates for Coast Community College by developing construction status page, establishing permanent connection between CCCD SharePoint server and SQL servers, and creating display pages for Measure M projects.

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Additional Experience

SharePoint Developer/Sharepoint Administrator, Naval Hospital Camp Pendleton, CA Sharepoint Administrator/Intelligence Information Management Officer, Science Applications International Cooperation (SAIC), Camp Pendleton, CA

Information Systems Technician, United States Navy Windows XP/Server 2003 System Administrator, USS Momsen DDG-92, Everett, WA Windows XP and Windows Server 2003 Systems Administrator/Team Lead, Base Command Group, Al Asad Air Base, Iraq Systems Control Officer/Network Administrator, Defense Information Systems Agency Europe, Stuttgart, DE Windows NT and Windows 2000 Systems Administrator, Personnel Support Detachment, Keflavik, Iceland UNIX and Windows NT Systems Administrator, Patrol Wing Five, Brunswick, ME UNIX and Windows NT Systems Administrator, USS George Washington CVN-73, Norfolk, VA Professional Engagements

Munson Medical Center Voices for Vaccination 2022 – Contributing artist/contestant. Promoted vaccine and health awareness. Page 4 4

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