Senior .NET Developer

Responsibilities Kforce has a client in West Palm Beach, FL that is seeking an experienced Senior .NET Developer with Salesforce integration experience for an onsite contract role. This position focuses on developing and supporting enterprise applications using Microsoft technologies, integrating backend systems with Salesforce, and maintaining UI and batch processing components. The ideal candidate is hands on, technically strong, and comfortable working onsite with cross functional enterprise teams.Key Responsibilities: Design, develop, and maintain .NET/.NET Core applications and APIs Build and support Salesforce integrations using REST and SOAP APIs Develop and maintain WPF desktop applications Support and enhance SIS batch jobs and scheduled processing workflows Work extensively with MS SQL Server (queries, stored procedures, performance tuning) Implement secure authentication and authorization (OAuth 2.0, JWT, API keys) Collaborate onsite with Salesforce developers, architects, and integration teams Apply enterprise integration patterns (synchronous, asynchronous, event driven) Troubleshoot and resolve application, integration, and data issues Ensure code quality through reviews, testing, and adherence to standards Create and maintain technical documentation Skills 8+ years of professional software development experience 5+ years hands on experience with C#, .NET / .NET Core, ASP.NET Web API Strong experience with MS SQL Server (T SQL, stored procedures, performance tuning) Experience developing WPF applications Hands-on experience supporting SIS batch jobs or similar batch/scheduled processing Solid understanding of enterprise integration patterns Experience with cloud platforms (Azure preferred) Strong problem solving and communication skills Ability and willingness to work onsite Strong experience integrating with: REST and SOAP APIs OAuth 2.0 authentication The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future. We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave. Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law. This job is not eligible for bonuses, incentives or commissions. Kforce 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. By clicking "Apply Today" you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP. Kforce is a professional staffing services firm offering Technology and Finance & Accounting jobs with top employers nationwide. We specialize in providing contract, contract-to-hire and direct placement opportunities, with over 50 years of experience in the staffing industry. Kforce offers many consultants comprehensive benefits depending on employment status, including medical, dental, 401(K), life insurance and disability. Our vision is to be "the firm most respected by those we serve." Kforce