Sean Reiser


Hi, I'm Sean Reiser, a Flushing, Queens, NY based technologist specializing in architecting web solutions using Drupal.

Professional Biography

I am an information technologist with over 30 years experience in application and web development. Over the past 15 years I have specialized in architecting, developing and supporting Drupal websites serving as a developer, themer, producer, site builder and system administrator. I am proficient in leading an internal or external development team, liaising with contractors and managing client relationships.

Past experience includes project management, technology team leadership and application development positions for Windows and DOS applications in Clipper, FoxPro, Access and Delphi.  I am open to contract and full‑time opportunities.

Please feel free to look through the rest of this site and evaluate my experience. Contact me if you decide I can be of service to you.

Quick Stats

Sean Reiser
Flushing, NY
(347) 321-4338
US Employment Eligibility
U.S. Citizen
Years Experience in Software Development
Years Experience in Drupal
Downloadable PDF

I have over 30 years of experience in Information Technology serving as a Manager, Solution Architect, Developer, Producer, Team Leader, and System Administrator.


Professional Timeline

  • 06


    Freelance Drupal Developer

    • Design web strategies based on an evaluation of an organization's processes and upcoming needs.

    • Architect and develop websites in Drupal.

    • Design, develop, and custom modules for Drupal in PHP5 and PHP7.

    • Build custom themes for Drupal, using PHPTemplate, Twig, HTML, CSS, LESS, jQuery and Javascript.

    • Perform data migrations to Drupal 7, 8 and 9 from a variety of data sources including Drupal 5, 6 and 7, custom CMSs, MYSQL, MSSQL, and flat files. Migration API and Feeds API were heavily used.

    • Upgrade custom Drupal Modules and Themes to Drupal 7, 8 and 9.

    • Liaise with writers, designers, on-shore and off-shore developer and hosting partners.

    • Perform periodic and security updates as they are issued on

    • Technologies include: PHP5, PHP7, Twig, HTML5, CSS3, LESS, jQuery, MySQL Apache, Linux, APC, Drupal (versions: 4.7, 5.x, 6.x, 7.x, 8.x) AJAX, JavaScript, Bootstrap, Linux, and Pantheon.

  • 14

    Markle Foundation

    In-house Contract Web Developer

    • Performed full stack web development for all Markle websites including, and other temporary websites. Sites were built in Drupal 7 and Drupal 8.

    • Rearchitected and converted from Drupal 6 to Drupal 

    • Served as liaison between Markle and their design partner

    • Migrated site to Pantheon’s Drupal cloud hosting service to improve performance and site reliability while reducing costs by $500 a month.

    • Assisted Markle’s communications team in developing and realizing a new content strategy to effectively communicate Markle’s mission, programs and impact

    • Implemented SOLR Search allowing for faster and more flexible searching

    • Performed periodic security updates and maintenance tasks

  • 07

    Enfatico, a WPP Agency

    Interim Development Manager

    • Managed a team of 4 in-house programers and liaised with off-shore development teams

    • Served as lead developer and technical architect for a job initiation system written in C#.NET using Visual Studio 2008, and SQL Server 2005. This three tier web forms application allowed clients to request work from the agency and provided global visibility to work in progress reducing duplicate work by 45%

    • Advised “C level” executives at Enfatico and Enfatico’s parent company, WPP, on the use and position of Social Media and Networking properties

    • Designed and developed a capital expenditure system in C#.NET, using Visual Studio 2008 and SQL Server 2005. This product included tracking of management and finance approvals of capital expenditures for Sarbanes-Oxley compliance purposes

    • Implemented a blog, staff directory and wiki based on Drupal 6.0 for internal and client facing collaboration. Several custom modules were written in PHP5 giving employees access to internal HR databases and tools. A theme was implemented based on a design laid out by internally graphic design staff

  • 06

    Lead Developer

    • Designed and developed an automated mutual fund analytics engine in C#.NET using Visual Studio 2005, and SQL Server 2005. This application runs automated on a nightly basis, and determines a value for individual mutual funds based on the value and volatility of the component stocks in the funds

    • Supported and maintained a legacy mutual fund rating system written in Visual FoxPro,, and Visual Basic 6.0 while developing the new analytics engine

  • 05


    Contract Programmer

    • Architected a port of a Clipper 5.2 application to xHarbour

    • Designed a scripting tool to translate code in an automated fashion.

    • Developed business objects based on ragged array based psudeo-objects, pushing the business logic out to rules based .dlls.

  • 01

    The Clayton Group


    • Supported and maintained a loan review system written in Clipper 5.2

    • Designed reporting system in Visual FoxPro

    • Designed, coded and implemented a VB.NET application to import flat Clipper data tables into a data warehouse. The data warehouse is stored in SQL Server 2005. The application used SQL Server’s DTS to import the data

  • 98

    AST Stockplan, Inc. (Purchased by CitiGroup 7/1999)

    Vice President, Information System

    • Supervised a team of 8 in-house developers in developing a stock plan administration system

    • Served as liaison to offshore development teams

    • Designed a disaster recover plan while was implemented in the wake of 9/11 with no loss of data or business

    • Managed system and data migration plan for the merger of Citigroup’s and AST StockPlan’s systems

    • Rearchitected ESPP process flow reducing processing time by 25% while increasing accuracy by 75%

  • 97

    Chase Manhattan Mortgage Corporation

    Technical Officer

    • Supervised a team of 8 developers supporting and maintaining a mortgage originations system written in CA-Clipper 5.2

    • Automated the process of retrieving credit scores allowing fast approval of credit applications

    • Designed and implemented an application running on the Palm Pilot allowing more efficient home appraisals

  • 95

    New York Law Journal

    Contract Programmer

    • Maintained a vertical market application written in CA-Clipper, which provided New York State docket information to law firms

    • Enhanced UNIX based search engine to allow more flexibility in searching.

    • Designed an interface to CARCO allowing lawyers to research DMV records.

  • 93



    • Designed, implemented and maintained CA-Clipper applications for the day to day running of the business including programs to track the status of title applications and billing

  • 88

    Computer Associates

    Sr. Support Technician

    • Provided online and telephone technical support for Computer Associates’ programming languages

    • Designed a suite of sample programs to illustrate the use of Clipper.

    • Served as secondary sys-op on Computer Associates forums on CompuServe.



Drupal Versions 4 through 9, Site Building, Responsive Theming, Module Development, Drupal Administration, Maintenance and Support, Pantheon


Web Development

PHP 5/7, TWIG, PHPTemplate, HTML, Javascript, jQuery, CSS, LESS, YML, Bootstrap


Website Infrastructure Management

Linux, Apache, MySql, Varnish, Memcache, Apache SOLR, Bash, Pantheon


Project Management

Agile, Waterfall, Scrum, Training, Mentoring, Code Review, Performance Review, Full Project Lifecycle, Requirements Gathering, Use Cases, Build vs. Buy, Vendor Selection


Legacy Technology

Clipper, FoxPro, dBase, Harbour, xHarbour, xBase++, Delphi



Event Photography, Corporate Headshots, Portraiture, Landscapes, Photo Editing, Photo Recovery

For the past 15 years I have used Drupal to provided solutions for organizations’ digital needs.  I have built, supported, and maintained over 150 Drupal Websites for Non-Profits, Small Companies, Digital Agencies, Media Companies and Startups.  Here is a selected sample of these sites.


Featured Project

Markle Laptop

The Markle Foundation

The Markle Foundation is a New York City based non-profit foundation that works to realize the potential of information technology to address previously intractable public problems for the economic security, health, and national security of all Americans. I upgraded their website to a more modern version of Drupal and resolved issues related to security, performance and scalability. A new fresh design was implemented giving the site a more modern look and feel.

Read More

Other Projects

Mrs Dash

Mrs. Dash


Bravo TV for NBC Universal

Queens Library

Queens Library

Alex's Lemonaide Stand

Alex's Lemonaide Stand

World Cares Center

World Cares Center

MPC Capital Advisors

MPC Capital Advisors



Good Earth Beauty

Good Earth Beauty






Contact Me

I will respond to inquiries within 1 business day.