.NET Developer (Freelancer)

4619 N Ravenswood Ave
Suite 300
Chicago, IL 60640
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Join a creative, collaborative and nimble team to help architect and build innovative digital products. We are looking at possible candidates to work this summer and are always looking to connect with great individuals.

The .NET Developer is dynamic individual responsible for implementing and maintaining front-end and back-end development on client websites, web services, and mobile applications utilizing C#, ASP.NET, SQL, HTML, CSS, JavaScript, jQuery, and other relevant programming languages. Other responsibilities include .NET-based content management systems and other application architecture; server configuration; developing, maintaining and following coding standards and best practices; working with the creative and sales teams to design and estimate upcoming projects and proposals; staying informed of new web development trends and technologies in order to bring ideas and suggestions to current and future projects. Other duties as requested.

Founded in 1998 by a successful female entrepreneur, Sandstorm has earned nationwide recognition for being an industry leader and sustaining a track record of satisfied clients.

You’ll work in a fun, energetic environment that builds careers and makes news. Founded in 1998 by a successful female entrepreneur, Sandstorm has earned nationwide recognition for being an industry leader and sustaining a track record of satisfied clients.

If this sounds like the right fit, apply online or email your cover letter and resume to jobs@sandstormdesign.com. If it’s not quite right for you, please share this opportunity with someone in your network.

Skills & Requirements

Required experience:

  • 2+ year experience building websites or applications in ASP.NET and C#
  • 2+ year experience with MS SQL Server database, including writing SQL and T-SQL
  • Experience with IIS configuration and management
  • Experience with a .NET-based Content Management System like Kentico, Ektron, Sitefinity, EpiServer, or SiteCore
  • Experience with .NET WebForms and MVC
  • Experience with deploying and managing services on Microsoft Azure
  • Experience with source control (Git preferred, but also TFS or SVN to be considered)
  • Strong understanding of HTML, CSS, and JavaScript
  • Familiarity with jQuery
  • Experience writing/consuming REST APIs
  • Familiarity with web standards, cross-browser, and cross-platform development techniques
  • Demonstrated ability to work both independently and as a member of a team
  • Commitment to excellence, usability, and coding standards
  • Strong analytical and problem solving skills with an attention to detail
  • Familiar with Agile software development best practice
  • Ability to understand business requirements and translate to technical requirements

Nice to have experience:

  • Experience with Kentico Portal Engine development is highly desired
  • Experience with Sitefinity CMS is also desired
  • MS SQL tuning, performance tuning, database administration, backup and recovery, User creation and management, and other database administration experience is highly desired.
  • Experience with Entity Framework Core and Code First Migrations
  • Experience with MVC Razor
  • Experience with VB.NET
  • Experience with SQL Server’s Reporting Services and Analysis Services
  • Experience with other relational databases (MySQL, PostgreSQL)
  • Experience with PHP
  • MVC Javascript framework like Angular or React
  • Experience with mobile app development tools like PhoneGap or Cordova
  • Bash or other shell scripting languages
  • Familiarity with other content management systems (WordPress, Drupal, Django, etc)
  • CSS Preprocessors like Sass or LESS
  • Familiarity with popular UI frameworks and patterns (Bootstrap, Foundation, Material UI, etc)
  • Familiarity with security and performance testing techniques
  • Experience with other cloud hosting like Rackspace, AWS, or Google App Engine
  • Understanding of other server configurations (LAMP, LEMP, etc.)
  • Monitoring software like New Relic or Nagios
  • Web Serving Software/Architecture (Nginx, PHP-FPM, Varnish)
  • Concurrent versioning systems like GitHub or BitBucket
  • Package management like Gulp or Grunt
  • MS Dynamics AX 2012 experience is a plus
  • SharePoint development experience is a plus
  • Enterprise systems (CRM/ERP/etc) experience is a plus
  • Systems integration experience is a plus

Why Sandstorm?

We’re a high-energy Chicago-based user experience agency that does good work for good people (that’s our mission). We leverage strategic marketing, UX design, emerging technologies, and usability to create high-impact and compelling brand experiences. We work with large amazing brands and interesting niche players, too. If you want to do big agency digital work in a boutique environment, we’re the place for you.

Who works at Sandstorm?

At our core, we are a team of compulsive problem solvers and solution-seekers; always thinking about what could be and implementing it. We play well with others and have found that clients benefit most when all partners are aligned and working well together. This follows our “Yes and” philosophy of always listening and building upon ideas, no matter where they originate. Collaboration is in our cultural DNA.

What about Culture?

Our team is constantly evolving and growing both as employees and as professionals in our industry. Job titles rarely do our staff justice. Our culture is grounded in our three core values:

  • Be Curious! – Continuous, collaborative improvement is fundamental.
  • Warrior Spirit – We are a team and in it together. Persevere!
  • Having Fun! – Showcased by our monthly “You Rocks!” and random Super Secret Sandstorm events.


US Citizen or green card holders only.

No recruiters, please.

We are an equal opportunity employer committed to workforce diversity.

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