MANTECHMANTECH seeks an experienced Senior API Developer to design, build, and maintain mission-critical integrations using MuleSoft. You will be a key member of a six-person team supporting the integration, deployment and production sustainment of the MuleSoft Private Cloud Edition (PCE) solution supporting a key Intelligence Community (IC) customer.
This position is based in Chantilly, VA In this hands-on role, you will apply API-led connectivity principles to connect diverse enterprise systems, including Salesforce, on-prem, cloud services or other SaaS platforms.
You will work within a fast-paced Agile (Scrum) environment to rapidly deliver new features, integrate security (DevSecOps) at every step, and ensure the operational stability of the platform.
Responsibilities Include But Are Not Limited To
Design, build, test, and deploy robust, secure, and reusable APIs and integrations.
Serve as a subject matter expert on API-led connectivity, runtime management, and connector configuration.
Develop and deploy new APIs, connectors, and data transformations based on prioritized requirements from the product backlog.
Conduct static/dynamic code analysis and vulnerability scanning to ensure secure code.
Perform comprehensive unit, integration, and performance testing to ensure the quality and reliability of all new features.
Provide on-call Tier 2/3 support for platform-related incidents and service requests related to API performance or errors, as needed.Support security accreditation (RMF/ATO) activities by implementing required security controls and remediating findings from the Plan of Action & Milestones (POA&M), as needed.
6+ years of hands-on software development experience for an IC customer
6+ years of experience in a customer facing role supporting an IC customer
5+ years of experience designing and building secure, robust, and reusable RESTful APIs using API-led connectivity principles.
5+ years hands-on experience programming in Java
Familiarity with DevSecOps practices, including CI/CD pipelines, static/dynamic code analysis, and vulnerability scanning.
Strong understanding of integration patterns, data transformations, error handling, and monitoring.
Experience with integrating security best practices into the DevSecOps lifecycle.
MuleSoft Developer or Architect Certification.
Experience integrating with Salesforce.
Experience with the MuleSoft Anypoint Platform
Experience with containerization and orchestration (e.g., Kubernetes).
Familiarity with the Risk Management Framework (RMF) and NIST SP 800-53
Experience writing technical documentation
Must have a current/active TS/SCI with polygraph.
Must be able to remain in a stationary position 50% of the time.
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
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