<p>Robert Half is seeking a Senior MuleSoft Developer to design, build, and maintain integrations across enterprise systems to support a client in Seattle, Washington. This role requires not only strong technical expertise but also the ability to consult, guide best practices, and help architect scalable solutions.</p><p> </p><p><strong>Duration:</strong> Short-term contract</p><p><strong>Schedule:</strong> Monday-Friday (9-5pm – PST working hours)</p><p><strong>Pay rate:</strong> up to $80/hourly</p><p> </p><p><strong>Responsibilities:</strong></p><ul><li>Design, develop, test, and deploy integrations using MuleSoft Anypoint Platform, APIs, SQL, and modern programming languages (Java, C#, or Python).</li><li>Collaborate with business stakeholders, project managers, and system owners to gather and document requirements, model data flows, and deliver secure, scalable solutions.</li><li>Lead integration architecture efforts, ensuring best practices in APIs, messaging, ETL processes, and data security (FERPA compliance, authentication, and protection).</li><li>Maintain clear documentation for designs, configurations, and processes; support knowledge transfer and provide technical guidance to internal teams.</li><li>Act as a consultative partner, helping shape direction and ensuring long-term project success.</li></ul>

<ul><li>5+ years of experience in integration development (titles may vary).</li><li>Strong experience with MuleSoft, APIs, and web services.</li><li>Proficiency in SQL database design and querying.</li><li>Proficiency in at least one programming language (Java, C#, or Python).</li><li>Experience with version control (e.g., Git) and modern development workflows.</li><li>Strong documentation skills; able to work independently and communicate effectively.</li></ul><p><strong>Nice-to-Have:</strong></p><ul><li>Experience with financial or accounting data.</li></ul>

<h3 class="rh-display-3--rich-text">Technology Doesn't Change the World, People Do.^®</h3> <p>Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.</p> <p>Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more.</p> <p>All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information.</p> <p>© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to <a href="https://www.roberthalf.com/us/en/terms">Robert Half’s Terms of Use</a>.</p>