Senior Mulesoft Developer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Mulesoft Developer based in United States. This is a senior-level opportunity to design and deliver enterprise integration solutions supporting complex banking applications and services. You will build secure, scalable APIs and integration components using the MuleSoft Anypoint Platform. The role spans API design, application modernization, data transformation, deployment automation, and production support. You will work closely with architects, business analysts, infrastructure, cloud, security, and application teams in a collaborative Agile environment. Your work will help connect core banking, digital banking, treasury, and other enterprise platforms while enabling large-scale modernization initiatives. You will also contribute technical leadership through code reviews, design discussions, mentoring, and best-practice development. Design, develop, and maintain MuleSoft APIs and enterprise integration solutions supporting banking applications, services, and modernization initiatives. Build reusable API-led integration components that enable secure, scalable data exchange between core banking systems, digital platforms, treasury applications, databases, cloud services, and other enterprise systems. Design and implement RESTful APIs, SOAP web services, and event-driven integrations using the MuleSoft Anypoint Platform. Develop integration flows, orchestration processes, and transformation logic using MuleSoft and DataWeave to support interoperability and application modernization. Partner with solution architects, business analysts, and technical stakeholders to translate business and technical requirements into scalable integration solutions. Create and maintain API specifications, interface documentation, technical designs, and other implementation artifacts. Implement API security, authentication, authorization, governance, and lifecycle management in line with enterprise architecture and banking security standards. Support CI/CD, deployment automation, monitoring, performance optimization, and production operations for MuleSoft services. Troubleshoot complex integration, performance, and production issues across MuleSoft services and connected applications, driving problems through to resolution. Participate in technical design sessions, code reviews, Agile ceremonies, testing, deployment, and production-readiness activities. Collaborate with infrastructure, cloud, security, and application teams to ensure successful implementation and operational stability. Support large-scale merger and conversion initiatives through integration modernization, API enablement, and connectivity across complex enterprise environments. Mentor junior developers and promote consistent engineering standards, reusable solutions, and development best practices. Requirements: 5+ years of relevant enterprise application development experience, including hands-on development of MuleSoft integrations. Strong experience designing and developing APIs using the MuleSoft Anypoint Platform. Demonstrated expertise with REST APIs, SOAP web services, JSON, XML, API-led connectivity, and enterprise integration patterns. Experience integrating enterprise applications, databases, and cloud services within complex technology environments. Strong development experience with .NET and/or Java, combined with practical knowledge of MuleSoft DataWeave. Experience with SQL, relational databases, data transformation, and integration-oriented data processing. Familiarity with CI/CD practices, Git, Azure DevOps, or comparable DevOps and source-control platforms. Strong troubleshooting, performance-tuning, monitoring, and production-support capabilities. Ability to collaborate effectively with solution architects, business analysts, engineers, infrastructure teams, security specialists, and other cross-functional stakeholders. Strong comm