Senior Full-Stack Developer

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.
 
  Job Description:   
We are looking for a  Senior Full Stack Developer  who is  proficient in Angular, TypeScript, Node JS who will be part of a collaborative and agile team that supports and builds modern, usable, and responsive applications for mission-critical U.S. federal government health IT solutions.     
 
Basic Requirements:    


• Ability to successfully obtain a U.S. Federal Position of Trust clearance designation.  

• Must reside in and be able to perform work in the United States.  

• Must have lived in the United States for 3 of the last 5 years.  

• Bachelor’s degree in computer science, information technology, engineering, or equivalent experience.  

• 8+ years of application development experience.  

• 3+ years of hands-on experience with Angular, TypeScript, and Node.js.  

• Hands-on experience with NestJS or similar Node.js back-end frameworks.  

• Experience developing RESTful APIs and integrating front-end applications with back-end services.  

• Experience working in Agile software delivery environments.  

• Experience supporting cloud-based application development, preferably in AWS environments.  

Additional Qualifications:   


• Strong hands-on experience developing modern, responsive web applications using Angular and TypeScript.  

• Strong back-end development experience using Node.js, NestJS, REST APIs, and service-oriented design patterns.  

• Experience with Python and PySpark for ETL development, data transformation, and batch data processing.  

• Experience working with relational databases such as PostgreSQL, MySQL, or similar platforms.  

• Experience writing clean, maintainable, testable, and well-documented code.  

• Experience with unit testing, integration testing, code reviews, and defect resolution.  

• Experience with Git-based development workflows, branching strategies, pull requests, and version control best practices.  

• Experience working with CI/CD pipelines and DevOps practices.  

• Experience with AWS services used for application hosting, data processing, logging, monitoring, or deployment.  

• Experience working in a SAFe Agile environment, including participation in PI Planning, sprint planning, daily standups, backlog refinement, demos, and retrospectives.  

• Experience using Agile collaboration tools such as Jira and Confluence.  

• Ability to analyze business requirements, user stories, acceptance criteria, and system needs to support effective technical implementation.  

• Ability to troubleshoot complex application issues across front-end, back-end, API, database, and ETL layers.  

• Ability to collaborate with architects and technical leads on solution design, technical approaches, and implementation planning.  

• Ability to mentor junior and mid-level developers through code reviews, pair programming, technical guidance, and best practices.  

• Strong written and verbal communication skills.  

• Ability to effectively communicate with management, peers, customers, and cross-functional teams.  

• Must be detail-oriented and able to work independently in a fast-paced delivery environment.  

• Knowledge of healthcare, Medicare, Medicaid, or CMS systems and data is a plus.  

• Experience modernizing legacy systems or supporting large-scale federal health IT systems is a plus.  

• Experience with accessibility, Section 508, security, or federal compliance standards is a plus.  

• Experience with big data technologies such as Spark, Hadoop, or cloud-based data processing platforms is a plus.  

   Responsibilities :   


• Design, develop, test, and maintain full stack applications using Angular, TypeScript, Node.js, NestJS, Python, and PySpark.  

• Build modern, responsive, accessible, and user-friendly front-end features for federal health IT applications.  

• Develop and maintain back-end APIs, services, and integrations using Node.js and NestJS.  

• Support ETL development and data processing workflows using Python and PySpark.  

• Work on applications that include a mix of front-end, back-end, API, database, and ETL technologies.  

• Collaborate with architects, technical leads, product owners, business analysts, testers, DevOps engineers, and stakeholders to deliver high-quality software.  

• Participate in technical design discussions and contribute to implementation approaches that align with application architecture and program standards.  

• Translate business requirements, user stories, and acceptance criteria into working software.  

• Write clean, efficient, maintainable, and reusable code following team standards and best practices.  

• Review code, provide constructive feedback, and help maintain quality across the development team.  

• Troubleshoot and resolve complex technical issues across the application stack.  

• Support modernization of legacy systems and improvement of user experiences for CMS applications.  

• Participate in SAFe Agile ceremonies, including PI Planning, sprint planning, backlog refinement, daily standups, demos, and retrospectives.  

• Contribute to sprint commitments, release planning, and delivery of software increments.  

• Support technical documentation, including design notes, API documentation, deployment notes, runbooks, and implementation guidance.  

• Ensure documentation is stored and maintained according to program version control and knowledge management requirements.  

• Collaborate with QA teams to support test planning, defect triage, and resolution.  

• Work with DevOps teams to support CI/CD pipelines, deployment activities, environment troubleshooting, and release readiness.  

• Represent development work in sprint demos and technical discussions with internal and client stakeholders.  

• Identify opportunities to improve application performance, maintainability, reliability, security, and scalability.  

• Mentor other developers and help promote engineering best practices across the team.  

• Adhere to Agile, iterative development, security, accessibility, and federal delivery practices.  

• Support process improvement activities that improve team productivity, software quality, and delivery predictability.  

 
Public Trust Clearance:  
Many of our roles require the hired candidate to go through public trust clearance. A minimum of 3 years of stay in the U.S. within the last 5 years is required to be eligible to qualify for public trust clearance sponsorship.   
   
Work Location:
Headquartered in Arlington, VA, we also have a primary office in Baltimore, MD for those who prefer to work on-site. However, with employees spread across 40+ states, we have many remote roles.  
 
  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. 
 
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