Integration Developer/Middleware Specialist

Posted 2 Hours Ago
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Hiring Remotely in USA
Remote
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Software • Analytics • Consulting • Financial Services
The Role
Designs and implements middleware, APIs, and data exchange to integrate Appian, Palantir, and VA financial systems. Builds secure, auditable integrations, supports ATO/FedRAMP activities, develops tests and runbooks, troubleshoots production issues, and mentors junior engineers.
Summary Generated by Built In

 Who we are:

Tria Federal delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied on Tria companies to advance their critical missions and modernize their systems, so that they can uphold their commitment to the American people. Today, we are pushing the boundaries of possibility through partnerships and investments in artificial intelligence and emerging technologies, developing solutions for the biggest challenges that government will face tomorrow.

We are proud to employ and support military veterans who bring mission-first mindset, technical expertise, and leadership qualities that strengthen our work. Veterans, transitioning service members, and military spouses are strongly encouraged to apply.



The Integration Developer / Middleware Specialist leads the design and implementation of all system integrations. This role is central to achieving the program's goal of end-to-end financial transparency -- ensuring seamless handshakes between contract writing, financial management, and Line of Accounting (LOA) data streams. 

The Integration Developer architects and builds the middleware layer, API integrations, and data exchange mechanisms that enable the platform to interoperate with systems while maintaining auditability, security, and performance. This role partners closely with the Enterprise Architect, Data Engineers, and platform teams. 

Requirements: 

  • 8+ years of software development experience with at least 5 years focused on enterprise system integration and middleware development. 
  • Demonstrated expertise in RESTful API design and development, including OpenAPI/Swagger specification. 
  • Experience with enterprise integration patterns including event-driven architectures, message queues, and ESB/iPaaS platforms. 
  • Proficiency in one or more integration-relevant programming languages (Java, Python, Node.js) and integration frameworks. 
  • Experience integrating COTS platforms with federal legacy systems in VA or comparable civilian agency environments. 
  • Working knowledge of federal security standards (NIST SP 800-53, TLS/mTLS, OAuth 2.0/OIDC) as applied to system integrations. 
  • Bachelor's degree in Computer Science, Software Engineering, or related technical field required. 
  • Active or ability to obtain government security clearance. 

Qualifications: 

  • Direct experience building integrations on or with the Appian platform using Appian's Connected Systems and Web API capabilities. 
  • Familiarity with VA enterprise integration standards, MuleSoft, IBM MQ, or equivalent middleware platforms used in federal environments. 
  • Experience integrating federal financial management systems such as UFMS, IPPS, or equivalent LOA data sources. 
  • Knowledge of HL7 FHIR, EDI, or other federal data exchange standards as applicable to VA environments. 
  • Experience supporting FedRAMP High or VA ATO accreditation for integrated system components. 

Responsibilities: 

  • Design and implement the full integration architecture for VAASM, including API specifications, data exchange contracts, and middleware patterns. 
  • Develop and maintain all system integration components connecting Appian, Palantir, VA legacy financial systems (OLCS, UFMS, IPPS), and enterprise services. 
  • Build and test automated funds check interfaces that validate funding availability and record legal obligations upon contract award. 
  • Implement real-time LOA data linkages connecting contract line items to financial management systems for end-to-end obligation traceability. 
  • Develop API gateway configurations, authentication/authorization flows, and integration security controls in alignment with VA OIT requirements. 
  • Maintain API documentation, integration runbooks, and system-to-system data dictionaries for all integration touchpoints. 
  • Collaborate with the Enterprise Architect to ensure all integration designs adhere to the program's architectural standards and VA technology guidelines. 
  • Support integration testing activities, including developing test cases for end-to-end data flow validation and regression testing. 
  • Participate in ATO support activities, providing integration-specific security documentation, data flow diagrams, and control evidence. 
  • Troubleshoot and resolve integration performance and reliability issues in test and production environments. 
  • Mentor junior developers and data engineers on integration best practices and API development standards. 

Why Tria?
What defines the Tria brand is more than just our dedication to excellence in our craft; it’s our incredible team of dedicated, talented, and passionate people that make Tria so exceptional. As people powering possible, we are all partners in our team’s shared success.

As a company that cares about people, we seek to cultivate a culture in which all can thrive personally and professionally. We offer a top-tier benefits package to invest in your physical, mental, and financial health and wellness so that you can be your best self - at work and in life. At Tria, we are growth-minded, entrepreneurial in spirit, and committed to fostering a culture of inclusion and opportunity for all. Whatever your background, your role, your department, or stage in your professional journey, here you will have opportunities to learn new skills, seize new challenges, and advance your career as we grow. 


California Consumer Privacy Act (CCPA)

We are committed to protecting your privacy. As part of our compliance with the California Consumer Privacy Act (CCPA), we want to inform you about how we collect, use, and protect your personal information during the job application process. For more details, please review https://www.oag.ca.gov/privacy/ccpa.

Skills Required

  • 8+ years software development experience with at least 5 years focused on enterprise system integration and middleware development
  • Demonstrated expertise in RESTful API design and development, including OpenAPI/Swagger
  • Experience with enterprise integration patterns including event-driven architectures, message queues, and ESB/iPaaS platforms
  • Proficiency in one or more integration-relevant programming languages (Java, Python, Node.js) and integration frameworks
  • Experience integrating COTS platforms with federal legacy systems in VA or comparable civilian agency environments
  • Working knowledge of federal security standards (NIST SP 800-53, TLS/mTLS, OAuth 2.0/OIDC) as applied to system integrations
  • Bachelor's degree in Computer Science, Software Engineering, or related technical field
  • Active or ability to obtain government security clearance
  • Direct experience building integrations on or with the Appian platform using Appian's Connected Systems and Web API capabilities
  • Familiarity with VA enterprise integration standards, MuleSoft, IBM MQ, or equivalent middleware platforms used in federal environments
  • Experience integrating federal financial management systems such as UFMS, IPPS, or equivalent LOA data sources
  • Knowledge of HL7 FHIR, EDI, or other federal data exchange standards as applicable to VA environments
  • Experience supporting FedRAMP High or VA ATO accreditation for integrated system components
  • Experience integrating with Palantir

Tria Federal Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Tria Federal and has not been reviewed or approved by Tria Federal.

  • Retirement Support The package includes a 401(k) with an employer match and immediate vesting, characterized as generous and automatic. The retirement plan is repeatedly described as a standout element within the overall offering.
  • Healthcare Strength Core medical, dental, vision, life, and disability coverage are provided, with materials describing minimal out-of-pocket costs. Health insurance is often characterized as good overall, particularly for individual coverage.
  • Leave & Time Off Breadth PTO is described as generous with accrual that increases with tenure and includes 12 paid holidays, alongside paid parental leave. These components indicate a broad time-off offering.

Tria Federal Insights

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The Company
HQ: Arlington, VA
1,372 Employees
Year Founded: 2022

What We Do

Tria Federal (Tria) delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied on Tria companies to help them complete their critical missions and modernize their systems, so that they can uphold their commitment to the American people. Today, our technology innovation group Tria Labs is pushing the boundaries of what is possible through partnerships and investments in artificial intelligence and emerging technologies, developing solutions for the biggest challenges that will face government tomorrow.

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