Lead .NET Developer
Anywhere
Category: Development
Industry: Manufacturing
Workplace Type: Remote
Standard Hours: Open
Reference ID: JN -102026-109023
Date Posted: 10/11/2026
Shortcut: http://careers.eliassen.com/ZIYhXc
Description:
Remote
*Candidates must be located in these states: Arizona, Connecticut, Massachusetts, Missouri, New Jersey, New York, Florida, Vermont, Virginia, Texas and Wisconsin
We’re looking for a Lead .NET Developer to help drive a large-scale modernization initiative replacing legacy mainframe applications with modern .NET services and APIs.
This is a hands-on technical leadership role for someone who can lead backend development, influence solution design, and help guide the transition of critical enterprise applications to modern, event-driven architectures.
Rate: $70.00 to $78.00/hr. w2
JN -102026-109023
Responsibilities:
- Lead the design and development of backend services and REST APIs using .NET/C#
- Help drive the modernization of legacy mainframe applications into modern .NET services
- Translate existing mainframe business logic into scalable, maintainable solutions
- Design and build event-driven services, consumers, and publishers
- Lead integrations across internal and third-party enterprise platforms
- Provide technical guidance and help establish development best practices
- Partner with engineering teams on architecture, design decisions, and implementation
- Support finance, payroll, data, and other business-critical integrations
- Mentor developers and provide technical direction throughout modernization efforts
Experience Requirements:
- Strong hands-on .NET/C# development experience
- Advanced experience building REST APIs and backend services
- Strong experience with Kafka & event-driven architecture
- Experience with Apicurio or similar tools for schema design
- Strong enterprise application development background
- Experience designing integrations across multiple systems
- Experience building and supporting production-grade applications
- Ability to analyze legacy applications and translate business logic into modern services
- Experience providing technical leadership, architecture guidance, or mentoring
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above