IT - Applications Development Consultant III
Apex Systems
 Ontario, CA

Job Description Job #: 1020524

Must be able to work on W2 without sponsorship

Position: Database Developer (must have some .NET development experience)

Location: Ontario, CA

Length: Contract to Hire

Industry: Healthcare

Principal Duties and Responsibilities:

  • Develop enterprise-level software that meets business needs using primarily Microsoft technologies
  • Collaborate with other technology professionals (e.g., developers, testers, infrastructure personnel, DBAs, external vendors, etc.) on key architectural decisions and delivery of work
  • Demonstrate diligence, initiative, and follow-through in the execution of job duties
  • Develop and maintain SSIS packages and workflows, SQL queries, VB/C+

    • script components, schedules, etc. using TFS for version control

  • Understand and maintain appropriate data release documentation and approvals according to company policies and procedures
  • Develop processes to identify and analyze data quality issues and recommendations to resolve
  • Tune queries and stored procedures for optimal performance


  • Extensive experience developing full-stack web, desktop, and server applications using Microsoft .Net and SQL Server
  • Experience practicing SOLID object-oriented design principles, implementing service-oriented application development techniques, and applying common design patterns and architectures (e.g., repository, factory, onion, microservices, event-driven, etc.)
  • Experience working on complex systems integration projects that use a variety of standard Microsoft stack technologies (WCF, WebAPI, SSIS, BizTalk, MSMQ, SFTP, etc.)
  • Understanding of data normalization/denormalization is required
  • Experience operating in both fast-paced, mission critical production environments and greenfield project initiatives preferred
  • Experience working in Continuous Integration/Continuous Delivery Agile environments preferred
  • Full Understanding of the processes of data quality, data cleansing, and data governance preferred
  • Experience prototyping and developing engaging user interface designs a plus
  • Experience with coded test automation (coded unit tests, Selenium, Protractor, etc.) a plus
  • Experience with deployment and release automation a plus
  • Experience with some older Microsoft technologies (WebForms, WinForms, 32-bit COM, etc.) a plus


  • Thorough troubleshooting and debugging skills required
  • C#, MVC, WPF, and object-oriented programming required
  • SQL Server Integration Services (SSIS) preferred
  • T-SQL, query optimization tools and techniques, relational database design, Entity Framework, and LINQ required
  • Visual Studio, SSMS, TFS/Azure DevOps, and Git required
  • Database development and administration is preferred

If interested send your resume in MS Word format to [ Link Removed ]

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [ Phone number blocked ] -6178.