.Net Developer

Job#: 3045083

Job Description:
.NET Developer (Contract) - Application Modernization & SQL Development
Opportunity

We are seeking a mid-level .NET Developer for a 4-month engagement to support the modernization of an internal centralized workflow queue application. This role will focus on enhancing and maintaining a legacy C#/.NET Framework web application while driving SQL Server development and targeted user interface improvements.

The ideal candidate is a hands-on developer who can quickly understand existing code and database structures, troubleshoot complex issues, and deliver practical solutions within a fast-paced modernization initiative.
Key Responsibilities

• Develop, enhance, and maintain SQL Server database objects, including stored procedures, tables, views, queries, and data-processing logic.
• Support modernization efforts for a C#/.NET Framework (4.6-4.8) web application, including updates to business logic, data access layers, and workflow functionality.
• Enhance and maintain Bootstrap-based user interfaces to improve usability, consistency, and supportability.
• Analyze existing application and database components to identify defects, performance issues, and modernization opportunities.
• Collaborate with business stakeholders, product owners, and development teams to gather requirements and validate workflow behavior.
• Participate in testing, code reviews, defect resolution, deployment support, and technical documentation updates.
• Communicate project status, risks, dependencies, and technical recommendations to stakeholders and team members.

Required Qualifications

• 3-5+ years of hands-on development experience with C# and .NET Framework, preferably supporting legacy enterprise web applications.
• Strong SQL Server expertise, including:
  • Stored Procedures
  • Complex Queries and Joins
  • Database Updates
  • Data Validation
  • Performance Optimization
• Experience supporting ASP.NET web applications and SQL Server-backed solutions.
• Working knowledge of:
  • Bootstrap
  • HTML
  • CSS
  • JavaScript
  • jQuery
• Experience with Visual Studio, GitHub (or similar source control), Jira, Confluence, and standard SDLC practices.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to work independently and quickly become productive within an existing application environment.
• Excellent communication and collaboration skills.

Preferred Qualifications

• Experience supporting workflow, queue management, case management, or operational processing applications.
• Experience working on application modernization initiatives involving legacy .NET platforms.
• Familiarity with database tuning, application support, and production issue resolution.
• Ability to balance maintenance, enhancement, and modernization work within tight project timelines.

What Will Make You Successful

• You can quickly understand complex legacy applications and identify practical improvements.
• You have strong SQL development skills and are comfortable troubleshooting application and database issues.
• You thrive in collaborative environments while remaining self-sufficient and results-driven.
• You focus on delivering high-quality enhancements that support modernization goals and business outcomes.

This is an excellent opportunity for a developer who enjoys working with legacy applications, solving complex technical challenges, and contributing to a meaningful modernization effort with immediate business impact.

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 or .

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth 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. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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