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https://github.com/davetacker/whoami


https://github.com/davetacker/whoami

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# ![Dave's Avatar](avatar.png) Dave Tacker



Waianae, HI US


[[email protected]](mailto:[email protected])



[LinkedIn](https://www.linkedin.com/in/davetacker/)


[GitHub](https://github.com/DaveTacker)



Dynamic and innovative full-stack software engineer with over a decade of experience developing cutting-edge applications that drive efficiency and engagement. Adept at designing robust solutions in Angular, Laravel (PHP), NodeJS, and NGINX, with a strong emphasis on clean, maintainable code and seamless user experiences. Notable achievements include architecting a custom inventory management system, boosting fulfillment accuracy to 98%, and leading a live-streaming e-commerce platform that increased audience engagement by 22%. Proficient in containerization, cloud integrations, and API development, I am passionate about mentoring teams and employing best practices to solve complex problems efficiently and effectively.



## PROFESSIONAL EXPERIENCE



### Senior Software Engineer, eCommerce Umbrella 
_Apr 2019 - Nov 2022 (3 years 7 months)_



#### OrderPacked -- a Warehouse Management Solution

* Spearheaded the development of a custom inventory management system, saving up to $3,000 per day

* Increased order fulfillment accuracy from 78% to 98%

* Optimized warehouse operations by seamlessly integrating Shopify, Braintree, ShippingEasy, and ShipStation APIs

* Reduced order returns by leveraging Angular, Bootstrap, barcode scanning, and real-time validation



Tech Stack: HTML5, CSS, SCSS, NodeJS, Angular, Bootstrap, TypeScript, NGINX, Laravel, PHP, MySQL, Docker, Docker Compose, Git, GitHub, ReDis, CI/CD pipeline

Integrated APIs: ShipStation, Shopify, BigCommerce, Google Cloud (GCP), Compute Engine, Braintree



#### ShoppinChill -- a Live-Streaming E-commerce Platform

* Architected, and led the development of an innovative live-streaming e-commerce platform enabling seamless integration from Shopify or BigCommerce to Facebook, Instagram, and Twitter

* Successfully managed a 5-developer team and a designer to accelerate platform development while mentoring junior developers on the team

* Employed Kubernetes, NGINX, RTMP, Ionic, Angular, and Laravel to create a scalable, in-stream purchasing solution increasing stream engagement 22%

  

Tech Stack: HTML5, CSS, SCSS, NodeJS, Angular, Bootstrap, TypeScript, NGINX, RTMP, Ionic, Laravel, MySQL, PHP, Docker, Docker Compose, Git, GitHub, Kubernetes, HELM, ASDF, Web sockets, ReDis, CI/CD pipeline

Integrated APIs: Facebook, Instagram, Twitter, Shopify, Google Cloud (GCP), Compute Engine, Cloud SQL, Braintree, Stripe



### Software Engineer, SympLiving _Apr 2017 - Apr 2019 (2 years 1 month)_

* Created a telehealth platform for mental health providers with Angular, WebRTC, and Jitsi, offering secure video calling, appointment scheduling, messaging, and mood-boosting resources

* User-friendliness guided the design of this platform, backed by a Laravel backend and secure Braintree payment processing

* Implemented HIPAA-focused security measures (OpenSSL encryption, audit logging, access controls)

  

Tech Stack: HTML5, CSS, SCSS, NodeJS, Angular, JavaScript, Bootstrap, Apache, MySQL, PHP, Git, GitHub, Web sockets, CI/CD pipeline

Integrated APIs: Google Cloud (GCP), Braintree



### Software Engineer, Sphyra 
_Oct 2014 - Aug 2015 (11 months)_



* Revamped a complex sales workflow with a web application, automating profitability calculations and PDF generation for on-the-go proposal delivery

* Enabled offline functionality with NodeJS, AngularJS, jsPDF, and web manifests

* Reduced the time to create a proposal from multiple days to less than 10 minutes

  

Tech Stack: HTML5, CSS, AngularJS, JavaScript, Git, GitHub, Microsoft Excel, Visual Basic for Applications (VBA)



### Software Engineer, Codebuilt _Apr 2014 - Present (10+ years)_

#### AgingPlan (Current Project)

https://www.agingplan.com

* Successfully managed and mentored a team of 5 junior developers and 2 designers

* Lead architect of a state of the art customer and content management platform with built-in email template generator, file manager, and proposal generator

* HIPPA compliance verified via 3rd party security audit

  

Tech Stack: Docker, Docker Compose, HTML5, CSS, SCSS, NodeJS, Angular, Bootstrap, TypeScript, NGINX, Apache, MariaDB, MySQL, Laravel, PHP, Git, GitHub, CI/CD pipeline, Google Cloud (GCP), Cloud SQL, Azure, Kubernetes

Integrated APIs: Google Maps, AgencyBloc, Microsoft OAuth



#### Long-Term Care Proposal Automation

* Transformed a time-consuming 60 sheet Excel-based proposal process into a user-friendly VBA application, automating calculations, data comparisons, and PDF generation

* Reduced proposal creation time from 30-60 minutes to 1-3 minutes

  

Tech Stack: Git, GitHub, Microsoft Excel, Visual Basic for Applications (VBA), Python



#### RockDocEMR

* Developed a HIPAA-compliant Ionic and Angular mobile app for Rock 'n' Roll Running Series, empowering 5 to 20 paramedics with real-time vital recording and submission of hundreds of patients

* Enhanced situational awareness for race officials by integrating GPS location tracking for live medical incident mapping

* Prioritized patient privacy by implementing Google Maps APIs for location services and employing robust security measures

  

Tech Stack: HTML5, CSS, SCSS, NodeJS, Angular, Ionic, Bootstrap, TypeScript, Apache, MySQL, Laravel, PHP, Git, GitHub

Integrated APIs: Google Maps



### Network Administrator, Choice Management, LLC _May 2010 - July 2012 (2 years 2 months)_

* Administrated the home-office and two off-site buildings remotely using secure VPN Technologies, managing 35 workstations with accompanying servers and firewalls with a 99% uptime

* Assembled workstations and servers, and wired the buildings for high-speed networking

* Designed, wrote, tested, debugged, and deployed multiple in-house office administrative applications streamlining and automating many otherwise time consuming duties

* Responded to internal trouble calls relating to IT systems

* Maintained continuous liaison with contractors and management insuring that all appropriate parties are informed of system related problems and changes that may impact users

* Ensured acquisition of IT products and services, for companies and contractors, were compliant with appropriate regulations and policies prior to purchase



### Technical Support Coordinator, Memories By Design, Inc _Apr 2005 - May 2010 (5 years 1 month)_

* Provided quick diagnosis and solutions for a vast range of technical problems including but not limited to network, workstation, peripherals, and digital backups

* Responded to trouble calls from internal staff, field agents, and external clients relating to IT systems

* Advised and guided various departments and owners on a wide variety of complex IT issues within established timeframes

* Built servers and workstations for a wide variety of departmental specifications

* Created an (internal only) FAQ quick-solve database for a vast variety of technical problems

* Designed, wrote, tested, and debugged a video streaming service with accompanying client portal

* Contractor liaison with the development of an inhouse order management software



### Culinary Specialist, United States Navy _Aug 2001 - May 2005 (3 years 10 months)_

* Good Conduct Medal, Global War on Terrorism Service Medal, National Defense Service Medal

* Submarine Qualified Insignia

* SSBN Service Patrol Pin (4 patrols)



## EDUCATION



  

    

      University of Hawaii at Manoa Logo

    

    

      University of Hawaii at Manoa


      Bachelor of Applied Science (BASc), Computer Software Engineering

      2016 - Present

    

  

  

    

      Spokane Falls Community College Logo

    

    

      Spokane Falls Community College


      Associate of Arts and Sciences (AAS), General Studies

      2014 - 2016

    

  

  

    

      The Art Institute of Seattle Logo

    

    

      The Art Institute of Seattle


      Associate's Degree, Culinary Science/Culinology

      2012 - 2014

    

  



## CERTIFICATIONS



  

    

      Vincennes University Logo

    

    CompTIA A+ - Vincennes University

  

  

    

      Vincennes University Logo

    

    CompTIA Network+ - Vincennes University

  



## Side Projects

### Resume Rescue

https://www.resumerescue.ai

* Developed a web application for job seekers to quickly and easily upload their resume and receive a personalized cover letter tailored to the job they are applying for

* Used React and Node.js to create a user-friendly interface for job seekers to manage and edit their generated resumes

* Implemented OpenAI's GPT-4o API to generate personalized cover letters based on the job seeker's resume and the job description



Tech Stack: HTML5, CSS, SCSS, NodeJS, JavaScript, React, TypeScript, Git, GitHub, Web sockets

Integrated APIs: Google Cloud (GCP), OAuth, CI/CD pipeline



### PresentPal

(no release)

* Aggregates the user's profile information and their friends' data to provide a comprehensive view of their social network

* Leveraging AI, gift ideas are suggested using Amazon affiliate links. These recommendations will be generated based on the user's selected contact and their interests

* All collected information is stored securely and follows reasonable data privacy practices



Tech Stack: HTML5, CSS, SCSS, NodeJS, JavaScript, React, TypeScript, Git, GitHub, Web sockets

Integrated APIs: Facebook GraphQL API, Google Cloud (GCP), OAuth, CI/CD pipeline



### Peer-to-peer whiteboard collaboration

(no release)

* Cross-browser peer-to-peer whiteboard for quick prototyping of ideas

* Text chatting and drawing with mouse or touch controls supported

* Serverless back-end technology with very little overhead costs



Tech Stack: HTML5, CSS, SCSS, NodeJS, JavaScript, React, TypeScript, Git, GitHub, Web sockets

Integrated APIs: Amazon Web Services (AWS), Amazon Cloud Formation, Amazon Lambda



## Open-Source Contributions

### DOMinator Chrome Extension

https://github.com/DaveTacker/dominator

* Interactive Character: A cute pixel art character that roams around web pages, interacting with the DOM elements

* DOM Analysis: Analyzes the Document Object Model (DOM) of web pages for potential security issues and interesting features

* Platform Detection: Identifies visible elements on the page that can act as platforms for the character to interact with

* Customizable Behavior: Adjust the character's speed and jump height to suit your preference

* Real-time Feedback: Provides instant feedback about the page's structure and potential security concerns



Tech Stack: HTML5, CSS, SCSS, NodeJS, TypeScript, Bootstrap, Python, Express Server

Integrated APIs: OpenAI, Ollama, Google Chrome



### RTMP-HLS Server using NGINX

https://github.com/DaveTacker/rtmp-server

* Docker image for video streaming server that supports RTMP(S), HLS (5 variants), and DASH streams

* Supports push and pull streaming for both live and on-demand content

* Uses Stunnel for secure RTMP(S) connections to encrypt video streams



Tech Stack: Docker, Docker Compose, Git, GitHub, NGINX, RTMP, FFmpeg, Stunnel, HLS, Dash

Integrated APIs: Facebook Live API



### Zoom Meeting Summary

https://github.com/DaveTacker/zoom-summary

* Fetches meetings for the last 14 days

* Retrieves detailed participant information for each meeting and summarizes meeting duration and participant attendance

* Implements caching for API tokens to reduce API calls

* Provides both console output and detailed logging



Tech Stack: Git, GitHub, Python

Integrated APIs: Zoom