Nicholas Sideras

Versatile technologist and software developer with over ten years of diverse professional experience that includes a mix of application development and infrastructure, with several successful platform integration initiatives resulting in simplified business processes and workflows.

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Work History

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Director Of Technical Operations
The Holland Group / Holland Beauty (December 2010 – Present)
Holland Beauty is a wholesale and retail company.

Led all company technology strategy, planning, project initiatives, and assets that include four self-hosted e-commerce sites, a WordPress Multisite Network, two warehouse inventory systems, an iOS app and related backend, Asterisk PBX system, four SQL Server installations and related SSRS reports, and all network infrastructure.

Project highlights include:

  • Migrated e-commerce sites to new platforms, including vendor evaluation, data conversion, and UI modifications.
  • Developed a ShipStation custom store endpoint using C# and ASP.NET WebAPI to ShipStation’s API specifications.
  • Built an end user touchscreen interface for shipping using jQuery and a Windows helper utility that gives the web app direct access to a USB scale and local printers. Built internal backend API using C#, NHibernate, and EasyPost to connect multiple commerce databases. This tool increased shipping capacity and saves over 90 minutes a day during peak months.
  • Set up source control, build server, ticket tracking, document control, and VPN systems.
  • Migrated five physical servers to a VMware ESXi virtualized environment now holding 20+ VMs.
  • Installed and configured Asterisk PBX phone system. Programmed IVR menus, ring groups, and extensions. Wrote a C# utility to automate creation of individual phone configuration profiles (CNF files).
  • Built and configured a FreeNAS file server to replace aging NAS equipment. The new system includes snapshots for file recovery (CryptoLocker), ~15x faster write speeds, and the ability to survive two concurrent drive failures.
  • Implemented and led customizations and bugfixes of Znode, a C# and ASP.NET based e-commerce platform. Oversaw development of a new platform administration control panel.
  • Wrote a tool that analyzes outgoing orders to estimate box size for warehouse fulfillment team, saving postage costs.
  • Developed a complex tool that analyzes individual line items for matching to permitted item combinations, flags quantity or combination errors, and creates shipping forms for fulfillment, saving time on order validation and problem resolution.
  • Implemented Amazon.com inventory sync and pricing feeds on legacy e-commerce platform.
  • Contributed to purchasing and service provider decisions, oversaw contractors, and advised other departments on technical matters.
  • Member of interview team involved in staffing decisions for technology hires.
Freelance Technology Consultant
Victory International Fellowship
(2016 – Present)

  • For local landscaping company: WordPress site content updates, security updates, and speed optimizations.
  • For Evansville Manor: Converted two existing websites to be responsive and mobile friendly.
  • For Poplar Creek Church: Assisted with website platform migration and DNS recovery. Set up CloudFlare CDN.
Technology Services Employee
Elmbrook School District
(June 2008 – December 2010)

  • Assisted with workstation upgrades, reconfigurations, and troubleshooting throughout 12 district buildings. Contributed to migration of 3,000+ PCs to Active Directory and worked extensively with server technologies.
  • Developed VBscript and C# routines to automate data transfers and workstation setups.
  • Wrote a C# utility to simplify creation of large printer GPOs.
IT Support
Victory International Fellowship
(January 2007 – September 2007)

Maintained website and built site’s automated PHP podcasting application. Produced videos and DVDs using Apple Production Suite. Contributed to motion graphics, video, and web initiatives.

Summer Web Technician
Elmbrook School District
(June 2006 – September 2006)

Developed tools in C# to automate HTML and text reformatting during a content migration from eleven legacy websites to a new web-based CMS. Supported end users on CMS authoring tools. Website Steering Committee member.


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  • Programming: C#, ASP Classic, VBScript, PHP, Java, RESTful APIs, ASP.NET Web API, JavaScript, jQuery, Bootstrap, HTML, CSS
  • Tools: Git, Visual Studio, IIS, Apache, NGINX, Postfix, ZFS, XCA, BIND, Postman, Vagrant, Let’s Encrypt, Google Analytics, AdWords
  • Data: Microsoft SQL Server, SQL, NHibernate, SSRS, Elasticsearch, SQLite
  • OS: Linux (including command line), Windows, Windows Server, OS X, VMware ESXi
  • Networking: VLAN, BGP, VPN, SMTP, DNS, Active Directory, VoIP, SIP


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Combined 75 credits in programming and computer science from Carroll University and Waukesha County Technical College