Mark Litchfield - Resumé


Please contact me through LinkedIn


Summary


With over 20 years of diverse experience in web application development, architecture, and management, I have a proven track record of leadership and innovation. From founding a company to managing teams and projects for federal contracts and large corporations, I've demonstrated expertise in web / application development, cloud services, CI/CD automation, database management, and GIS technologies. My proficiency in a range of programming languages and frameworks, coupled with extensive project management skills, makes me a valuable asset for driving efficient and effective web solutions.


Skill Proficiencies


SkillsetDetailsProficiencyExperience
Web Application Development(Javascript, Typescript, Angular, React, NodeJS, HTML, CSS, etc)Expert10+ years
Databases(MySQL, MariaDB, MongoDB, etc)Proficient10+ years
Git(GitLab, GitHub)Proficient10+ years
Cloud Services(AWS - EC2, ECS, CloudFront, CloudWatch, Lambda, Route53)Proficient10+ years
Project Management(Waterfall, Agile, KanBan)Proficient10+ years
Other Internet Services(gRPC, tRPC, GraphQL, websockets)Proficient8+ years
GIS Services(Google Maps, MapBox, etc)Proficient8+ years
Systems Programming(C#, Rust)Novice/Intermediate3+ years

Professional Experience


Manager, Web Applications Team at Gravy Analytics, Inc

October 2013 – February 2024
  • Managed a team of developers, designers, and a tester to create and maintain 5 internal and 2 customer-facing web portals using Angular, NodeJS / NestJS, MongoDB and related technologies.
  • Internal portals supported customer and product management systems, along with daily data processing operations through automations using Lambda scheduling and other utilities.
  • Customer-facing portals catering to commercial and public sector customers, offering easy data querying and presentation options including tabular formats, downloadable datasets and geographically mapped views.
  • Implemented highly customized CI/CD pipelines using GitLab, incorporating Docker containers for builds and deployments.
  • Deployed container-based services to AWS Elastic Container Services and hosted front-end apps via AWS S3/CloudFront configurations.
  • Utilized MongoDB Atlas clusters through VPC peering connections for database needs.
  • Collaborated closely with the Cloud Hosting Administrator and Core Platform Services Manager to optimize AWS resource utilization.
  • Worked in tandem with sales and product development teams to define service requirements and objectives.
Skills applied / learned:
  • AWS EC2
  • AWS ECS
  • AWS Lambda
  • AWS CloudFront
  • AWS CloudWatch
  • AWS Route53
  • AWS DynamoDB
  • AWS KMS
  • Javascript / Typescript
  • AngularJS
  • Angular
  • React
  • NestJS
  • NodeJS
  • Express
  • MongoDB
  • Git (GitLab)
  • Postman
  • Jest
  • Agile

Sr. Web Application Developer at Quotient (Census Bureau contract)

July 2012 – October 2013
  • Led architecture, documentation, and development of large-scale, high-availability web applications and back-ends for a Federal contract.
  • Successfully upgraded legacy applications from Perl and other languages to PHP and Javascript.
  • Developed the Population Clock app showcased on the U.S. Census Bureau homepage, alongside the associated Population Clock page.
Skills applied / learned:
  • Javascript
  • jQuery
  • PHP
  • MySQL
  • Perl
  • Agile

Sr. PHP Web Developer at O'Keeffe & Co.

January 2011 – May 2012
  • Designed and developed server-side applications for both internal and client web applications.
  • Gathered and documented project requirements and schedules for effective project management.
  • Offered technical support and conducted quality assurance for all projects.
  • Designed and developed error management, debugging, and reporting tools to ensure smooth operation and efficient issue resolution.
Skills applied / learned:
  • Javascript
  • jQuery
  • Bootstrap
  • PHP
  • Go
  • Perl
  • MySQL
  • PostgreSQL

Technical Lead – Web Enhancements Team at Celerity (Capital One contract)

November 2007 – September 2010
  • Developed and managed server-side functionality for the Capital One marketing website.
  • Integrated third-party functionalities into the website to enhance its features and capabilities.
  • Devised solutions for key marketing analysis objectives, contributing to informed decision-making.
  • Collaborated with project management to establish timelines and milestones for timely project delivery.
  • Partnered with business analysts to identify functional requirements and implement effective solutions.
  • Worked closely with the testing team to identify high and low-risk functional changes and conduct appropriate tests.
  • Created high-level technical designs to enhance core functionality and improve overall performance.
Skills applied / learned:
  • Javascript
  • jQuery
  • PHP
  • HTML / CSS
  • Agile

Founder / CEO at BullRoarer Communications, Inc.

June 2006 – November 2008
  • Developed comprehensive business and marketing plans, including necessary documentation, to establish and launch the business successfully.
  • Identified business priorities and established a systematic approach to track task completion, ensuring efficient operations and managed daily business operations.
  • Engineered wireless solutions and performed system installations.
  • Configured network management systems and maintained all devices and servers to ensure optimal performance.
  • Designed and created marketing materials, including logos, print materials, and websites.
Skills applied / learned:
  • Javascript
  • jQuery
  • PHP
  • MySQL
  • Wireless Networking
  • Edge Network Management
  • Systems Admin
  • Business Management
  • Marketing
  • Graphic Design

Further Professional Experience details available upon request


References

Available upon request