MuleSoft Integration Developer

Seneca Resources Company, LLC; McLean (VA); Hybrid; USD 180,000 - 230,000; Full time

Benefits offered by this job

Health coverage

Dental coverage

Vision coverage

401(k) retirement plans

Job summary

Seneca Resources in McLean, VA is seeking a MuleSoft Integration Developer to design, build, and implement scalable integration solutions across enterprise systems using MuleSoft Anypoint Platform.

You will develop REST and SOAP APIs (RAML/OpenAPI), enforce security and governance, and collaborate with architects, data leads, and business teams in a fast-paced modernization program.

Hybrid work arrangement with competitive compensation at $100/hr.

Qualifications

• 5 years of hands-on software development experience integrating enterprise systems.
• 3-5 years MuleSoft Anypoint Platform experience including design, deployment, and API lifecycle.
• Experience designing REST and SOAP APIs using RAML or OpenAPI specifications.
• Bachelor's degree in Computer Science, IT, Engineering, or related field.

Responsibilities

• Design, develop, and implement Mule 4 integrations using Anypoint Studio, API Manager, Runtime Manager, and Anypoint Exchange.
• Build RAML/OpenAPI-based REST and SOAP APIs while following enterprise standards.
• Develop and maintain integration flows across Icertis, Infor LN, Costpoint, and supporting systems.
• Implement authentication and security protocols (OAuth2.0, JWT, SAML).
• Ensure proper error handling, logging, retry logic, auditing, and monitoring.
• Collaborate with architects, data leads, and system integrators to validate design decisions.
• Participate in design workshops and provide development estimates.
• Support SIT/UAT and performance testing; resolve defects.
• Support CI/CD deployment processes using Jenkins, Git, and Maven.
• Produce technical documentation and runbooks.
• Provide hypercare support post-go-live.

Skills

MuleSoft Anypoint Platform

REST API design

SOAP API design

API lifecycle management

Strong communication

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Jenkins

Maven

RAML/OpenAPI

Docker

Kubernetes

AWS/Azure/GCP

Job description

Position Title: MuleSoft Integration Developer
Location: McLean, VA (Hybrid)
Pay Rate: $100.00/hr

Role Overview

The MuleSoft Integration Developer will design, build, and implement integration solutions supporting Project Keystone’s modernization of Contract Lifecycle Management (CLM) and Source-to-Pay (S2P) systems. This role will focus on developing scalable, secure, and well?governed integrations across Icertis, Infor LN, Costpoint, and associated enterprise systems using MuleSoft Anypoint Platform. The developer will work hands?on to translate functional and technical requirements into integration flows, APIs, and reusable components; ensure alignment with architecture standards; and support end?to?end integration testing, deployment, and hypercare. The ideal candidate has deep Mule 4 development experience, strong API design skills, and the ability to collaborate across cross?functional technical and business teams in a fast?paced transformation environment.

Key Responsibilities

• Design, develop, and implement Mule 4 integrations using Anypoint Studio, API Manager, Runtime Manager, and Anypoint Exchange.
• Build RAML/OpenAPI?based REST and SOAP APIs, ensuring adherence to enterprise standards and MuleSoft best practices.
• Develop and maintain integration flows across Icertis, Infor LN, Costpoint, and supporting systems as part of the Keystone ecosystem.
• Implement authentication and security protocols including OAuth2.0, JWT, SAML, and encryption policies.
• Ensure integrations include appropriate error handling, logging, retry logic, auditing, and monitoring configuration.
• Collaborate with the Integration Architect, ICD Lead, Data Lead, and system integrators to validate design decisions and ensure consistent implementation.
• Participate in design workshops, translate requirements into technical integration specifications, and provide development estimates.
• Support systems integration testing (SIT), user acceptance testing (UAT), and performance testing; resolve integration defects.
• Support CI/CD deployment processes using Jenkins, Git, and related DevOps tooling.
• Produce technical documentation, including integration design, mapping specs, and operational runbooks.
• Provide hypercare support post?go?live to ensure stability, performance, and resolution of integration-related issues.

Qualifications

• 5 years of hands?on software development experience integrating enterprise systems.
• 3 - 5 years of hands?on experience with MuleSoft Anypoint Platform, including design, development, deployment, and API lifecycle management.
• Experience designing REST and SOAP APIs using RAML or OpenAPI specifications.
• Strong communication skills with the ability to articulate complex technical concepts to technical and non?technical stakeholders.
• Bachelor’s degree in Computer Science, IT, Engineering, or equivalent professional experience.

Nice to Have Skills

• 3+ years of hands?on experience implementing security protocols (OAuth2.0, JWT, SAML, encryption policies).
• MuleSoft Certified Developer – Level 1 (Mule 4).
• Proven experience working within Agile delivery frameworks and collaborating across multiple technical teams.
• Experience implementing asynchronous/event?driven integrations (JMS, Kafka, or similar).
• Experience with DevOps and CI/CD tooling (Git, Jenkins, Maven).
• Exposure to Docker, Kubernetes, and cloud platforms (AWS, Azure, GCP).
• MuleSoft Certified Integration Architect and/or Platform Architect.
• Familiarity with alternative integration platforms (Apigee, Kong).

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.