Data Engineer III

Job#: 3038874 Job Description: Job Title: Data Engineer / Application Developer Location: 100% Onsite – Southern California Employment Type: Contract-to-Hire Compensation: $100K–$125K Overview We are seeking a Data Engineer / Application Developer to support enterprise IT and business applications in a production environment. This role will focus on database upgrades, application development, and ongoing support for critical business systems. The ideal candidate brings a blend of SQL Server expertise and application development experience, along with strong troubleshooting and communication skills. Key Responsibilities • Upgrade and modernize Microsoft SQL Server databases • Install, configure, and maintain SQL Server environments • Support upgrades of custom-built and third-party business applications • Develop and maintain applications, reports, and system interfaces • Gather and document business requirements for development efforts • Provide production support for applications and technical environments • Troubleshoot system issues and perform root cause analysis • Coordinate with internal teams and external vendors on system updates and issue resolution • Implement and follow processes for system migration, testing, and support • Support ongoing application maintenance, including patching and enhancements • Prioritize and manage multiple tasks in a fast-paced environment • Provide occasional off-hours support for production issues Required Qualifications • Bachelor’s degree in Computer Science, Computer Engineering, or related field (or equivalent experience) • 3+ years of experience as a Data Engineer or SQL Server Database Administrator • 3+ years of experience in application development using C#, .NET, or other object-oriented languages • Strong hands-on SQL experience (querying, scripting, database development) • Experience with SQL Server disaster recovery solutions: • Always On • Log Shipping • Failover / Clustering • Database Mirroring • Experience supporting enterprise applications in a production environment • Strong troubleshooting, problem-solving, and organizational skills • Ability to handle multiple priorities and support critical systems Preferred / Additional Skills • Experience working with both custom-built and third-party applications • Familiarity with multi-team IT environments (infrastructure, networking, hosting, etc.) • Experience supporting business-critical systems with high availability requirements Work Environment & Additional Requirements • 100% onsite role (Monday–Friday during standard business hours) • Occasional off-hours or on-call support may be required • Must be comfortable working in a structured, process-driven environment • Ability to pass a comprehensive background screening as part of the engagement • Strong communication skills and ability to work with both technical teams and end users 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 [email protected] or 844-463-6178. 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 here 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 https://www.apexsystems.com/privacy-policy 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 [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered. UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems. © 2026 Everforth, Inc. All rights reserved. Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc. NYSE: EFOR 4400 Cox Road Suite 200 Glen Allen, Virginia 23060 Everforth Apex 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 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 Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.