What are the responsibilities and job description for the Senior .Net Application Developer position at Apex Systems?
Job#: 3036480
Job Description:
We are hiring a Senior .NET Application Developer!
Role: Senior .NET Application Developer
Supporting: Large Financial Services Client
Location: Fully Remote (U.S.-based)
Assignment Type: Contract Only
Duration: ~ 12 months
Role Overview
This is an exciting opportunity for a senior .NET developer to tackle complex, high-scale engineering challenges. You'll design and build distributed applications, APIs, and microservices that support critical systems. The role requires strong technical judgment and the ability to work independently while contributing to team success. You'll solve performance and scalability challenges using advanced data structures and algorithms. Collaboration across engineering teams will be essential to deliver high-quality solutions. If you enjoy working on technically demanding problems in a modern stack, this role is for you. Fully remote with strong project visibility. Apply today.
Key Responsibilities
Qualifications
Required:
Desired:
Compensation and Benefits: The pay rate for this position is between $60.00 and $77.00 per hour. Please note that the final rate may be contingent on experience and other factors.
This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Apex uses a virtual recruiter as part of the application process. Click for more details.
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 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.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
Job Description:
We are hiring a Senior .NET Application Developer!
Role: Senior .NET Application Developer
Supporting: Large Financial Services Client
Location: Fully Remote (U.S.-based)
Assignment Type: Contract Only
Duration: ~ 12 months
Role Overview
This is an exciting opportunity for a senior .NET developer to tackle complex, high-scale engineering challenges. You'll design and build distributed applications, APIs, and microservices that support critical systems. The role requires strong technical judgment and the ability to work independently while contributing to team success. You'll solve performance and scalability challenges using advanced data structures and algorithms. Collaboration across engineering teams will be essential to deliver high-quality solutions. If you enjoy working on technically demanding problems in a modern stack, this role is for you. Fully remote with strong project visibility. Apply today.
Key Responsibilities
- Design, develop, and enhance high-quality, scalable software applications using the Microsoft technology stack
- Translate business and platform requirements into secure, reliable technical solutions
- Build and maintain RESTful APIs, microservices, and distributed systems
- Write clean, maintainable code aligned with best practices and coding standards
- Optimize performance using efficient data structures and algorithms
- Troubleshoot, debug, and resolve complex application issues
- Conduct code reviews and provide technical mentorship to peers
- Collaborate with cross-functional engineering, testing, middleware, and platform teams
- Lead small technical efforts while managing dependencies and delivery timelines
- Contribute to development standards, policies, and continuous improvement initiatives
Qualifications
Required:
- Bachelor's degree in Computer Science, Information Systems, or equivalent experience
- 5-7 years of professional application or software development experience
- Strong hands-on experience with C#, ASP.NET Core/MVC, and the .NET ecosystem (Framework 4.x, .NET 6/8 )
- Experience building scalable applications, web services, microservices, and RESTful APIs
- Deep understanding of data structures, algorithms, and performance optimization
- Proficiency with SQL Server, system integration, and third-party APIs
- Experience with CI/CD pipelines, Git/GitHub, and Agile development practices
- Strong testing and debugging skills (unit and integration testing)
- Excellent communication skills with the ability to explain technical concepts clearly
- Experience using incident tracking, project management, and change control tools
Desired:
- Exposure to or experience with mainframe technologies (COBOL, CICS, z/OS, AS/400, screen scraping)
- Experience with automation tools such as Ansible
- Background developing applications within the financial services space
Compensation and Benefits: The pay rate for this position is between $60.00 and $77.00 per hour. Please note that the final rate may be contingent on experience and other factors.
This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Apex uses a virtual recruiter as part of the application process. Click for more details.
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 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.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
Salary : $60 - $77