Senior MuleSoft Developer-Hybrid

Keen Technology Solutions LLC; Chevy Chase (MD); Hybrid; USD 110,000 - 170,000; Part time

Job summary

Keen Technology Solutions LLC is seeking a Senior MuleSoft Developer in Bethesda, MD for a long-term contract. The role requires deep MuleSoft expertise, including Mule 4, Anypoint Platform, DataWeave, and API-led connectivity. Hybrid work arrangement with on-site collaboration and production support duties expected.

Ideal candidates will have hands-on experience with CloudHub, API Manager, Runtime Manager, and CI/CD pipelines, plus strong security knowledge for API gateways.

Qualifications

• 7+ years of software development/integration with MuleSoft experience.
• Strong hands-on MuleSoft 4 and Anypoint Platform.
• Proficient in DataWeave 2.0 and API-led connectivity.
• Experience building REST APIs and SOAP services.
• Knowledge of API security, OAuth, TLS/SSL, and auth patterns.

Skills

MuleSoft

Mule 4

API design

REST APIs

SOAP services

RAML/OpenAPI

Anypoint Studio

MUnit

CloudHub

CI/CD

Git

Jenkins

DataWeave

Security: TLS/SSL

Tools

Anypoint Platform

Anypoint Exchange

CloudHub 2.0

Runtime Manager

Maven

Kubernetes

Docker

API Manager

Job description

Job Title: Senior MuleSoft Developer

Location: Bethesda, MD -Hybrid-3 Days

Duration: Very Long-Term Contract

Required Skills

• 7+ years of experience in software development/integration, with significant MuleSoft development experience.
• Strong hands-on experience with Mule 4 and Anypoint Platform.
• Strong knowledge of DataWeave 2.0.
• Experience developing REST APIs and SOAP web services.
• Strong understanding of API-led Connectivity.
• Experience with System APIs, Process APIs, and Experience APIs.
• Experience with RAML / OpenAPI.
• Hands‑on experience with Anypoint Studio, API Manager, Runtime Manager, and Anypoint Exchange.
• Experience with CloudHub or CloudHub 2.0.
• Strong experience with MuleSoft connectors such as HTTP, Database, Salesforce, SFTP, JMS, Kafka, and File.
• Experience with MUnit and automated testing.
• Strong knowledge of JSON, XML, CSV, REST, SOAP, and HTTP/HTTPS.
• Experience with Git, Maven, Jenkins, and CI/CD.
• Strong understanding of API security, OAuth, TLS/SSL, and authentication/authorization.
• Strong troubleshooting and production support experience.

Preferred Skills

• Experience with Runtime Fabric or Kubernetes.
• Experience with AWS or Azure.
• Experience with Kafka / event‑driven architecture.
• Experience integrating Salesforce, SAP, ServiceNow, Workday, or other enterprise applications.
• Experience with MuleSoft x to 4.x migration.
• MuleSoft certification such as MuleSoft Certified Developer (Mule 4).
• Experience with enterprise integration architecture and microservices.