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Software Engineer (Full Stack & JAVA)

Marathon TS

College Park, MD(remote)

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JOB DETAILS
SKILLS
AWS Lambda, Agile Programming Methodologies, Amazon Simple Storage Service (S3), Amazon Web Services (AWS), AngularJS, Application Programming Interface (API), Atlassian JIRA, Cloud Computing, Code Reviews, Communication Skills, Computer Science, Cross-Functional, Data Formats, Data Processing, Data Quality, Detail Oriented, Electronic Data Interchange (EDI), Error Handling, Git, GitHub, Government, Healthcare, Integration Testing, Internet Application, JSON, JUnit, Java, JavaScript, Kanban, Microsoft .NET, Microsoft C# (C Sharp), Microsoft Windows Azure, Node.js, Online Publications, Performance Analysis, Pharmacy, REST (Representational State Transfer), Reporting Dashboards, Scrum Project Management and Software Development, Section 508, Software Development, Software Engineering, Source Code/Configuration Management (SCM), Structured Data, Systems Engineering, Team Player, Transaction Processing/Management, Unit Test, United States Citizen, User Interface/Experience (UI/UX), Web Content Accessibility Guidelines (WCAG), XML (EXtensible Markup Language)
LOCATION
College Park, MD(remote)
POSTED
30+ days ago
Sr. Systems Engineer (Full-Stack Developer)
Marathon TS is looking for a dedicated Full-Stack Software Engineer to help build, support and migrate a cloud-based Web Dashboard application that processes healthcare EDI transactions. The ideal candidate has experience with (Java/Node.js) backend integration work, (Angular) front-end UI development and understands structured healthcare data. This is a 100% Remote role.
JOB DESCRIPTION
  • Design, build, and maintain RESTful APIs in Java and/or Node.js that retrieve, transform, and serve EDI healthcare records
  • Integrate with internal platform APIs, EDI processing pipelines, and data services to deliver live and historical EDI transaction data reliably and performantly
  • Support and contribute to an Angular-based dashboard frontend consuming APIs, building or maintaining components, and ensuring data is surfaced accurately to business and clinical users
  • Collaborate with backend C#/.NET and AWS data engineers to define clean API contracts and ensure reliable data delivery across services
  • Write clean, testable, well-documented code and participate actively in code review
  • Perform unit and integration testing across backend services and API layers
  • Support deployment, monitoring, and performance of backend services in production on AWS
  • Apply and promote best software engineering practices within an agile framework
  • Use Git and GitHub for version control, branching, pull requests, and collaborative development
Education
  • Bachelor's or master's degree in computer science, Engineering, or a related technical discipline required; equivalent practical experience considered
Experience
  • 8 years of software development experience with a strong backend focus (Java and/or Node.js)
  • Experience designing and consuming RESTful APIs in healthcare or enterprise environments
  • Proven experience building backend services that serve structured EDI or healthcare data to frontend applications
  • Some hands-on Angular experience able to integrate APIs and contribute to frontend components
Requirements
Core Technical
  • Strong backend development experience in Java and JavaScript/TypeScript/Node.js API design, data transformation, error handling, and performance
  • Experience with Angular or another Modern front-end framework
  • Proven ability to build RESTful APIs that consume and transform structured data (XML, JSON)
  • Experience working with EDI data formats
  • Familiarity with web document submission processes a plus
  • Working knowledge of Angular components, services, API integration; frontend development is secondary but real
  • Hands-on Cloud (Azure/AWS) experience API Gateway, Lambda, S3, CloudWatch, or related services
  • Proficient with Git and GitHub branching strategies, pull requests, collaborative workflows
  • Experience with unit and integration testing frameworks (JUnit, Jest, or equivalent)
Process & Soft Skills
  • Strong communication skills able to work with stakeholders and cross-functional engineers to define and refine API requirements
  • Experience with agile methodologies (Scrum, Kanban) and JIRA
  • Ability to work independently and as part of a distributed team
  • Strong attention to detail especially around data accuracy and fidelity for healthcare records
  • Ability to conduct code reviews and provide constructive feedback
Nice to Have
  • Familiarity with healthcare payer/PBM systems, clearinghouses, or pharmacy operations
  • Experience with VA systems, ARS workflows, or 275 claim attachment transactions
  • Knowledge of HIPAA compliance requirements in API and web application development
  • Familiarity with accessibility standards (Section 508 / WCAG 2.1) for government-facing applications
  • Experience with containerization (Docker, ECS, EKS)
  • Familiarity with C#/.NET backend services for cross-team integration touchpoints
Clearance Requirement:
US Citizenship required with the ability to obtain and maintain a Public Trust clearance

About the Company

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Marathon TS

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