Full-stack Developer (.NET + React/Angular)

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Published
May 11, 2026
Location
Buenos Aires, Argentina

Full-stack Developer (.NET + React/Angular): our view in 3 lines...

  • The Role: An experienced full stack engineer to build and maintain .NET backend and React or Angular frontends for a healthcare-focused project supporting claims and interoperable data exchange.
  • The Person: Design, develop, deploy, and maintain .NET back-end and React/Angular front-end applications, implement and support HL7 interfaces, build and optimize SQL Server databases and APIs, and troubleshoot production issues across claims workflows.
  • Requirements: Required skills include .NET / C#, React or Angular, SQL Server, RESTful API development, HL7 messaging familiarity, Git, and understanding of claims processing concepts.

Job Description

We are looking for an experienced Full Stack Engineer to join our team on a long-term project for a US-based client operating in the healthcare domain.  

Key Responsibilities 

  • Design, develop, and maintain applications using .NET (C#) on the back end and React or Angular on the front end 
  • Write and optimize complex SQL Server queries, stored procedures, and database schemas 
  • Build and consume RESTful APIs and integrate with third-party systems 
  • Develop and support HL7 interfaces for healthcare data exchange between clinical and administrative systems 
  • Collaborate with cross-functional teams including product, QA, and business stakeholders to translate requirements into technical solutions 
  • Deploy and manage applications in Microsoft Azure (App Services, Azure SQL, Azure Functions, etc.) 
  • Participate in code reviews, technical planning, and architecture discussions 
  • Troubleshoot production issues and implement performance improvements 
  • Support claims processing workflows and ensure data integrity across the claims lifecycle 

Requirements 

  • 6+ years of experience in full stack development 
  • Strong proficiency in .NET / C# and at least one modern front-end framework (React or Angular) 
  • Solid experience with SQL Server, including query optimization and database design 
  • Hands-on experience with RESTful API development and third-party integrations 
  • Proficient understanding of code versioning tools such as Git 
  • Familiarity with healthcare data standards, particularly HL7 messaging (ADT, ORM, ORU, etc.) 
  • Understanding of claims processing concepts (837/835 transactions, adjudication workflows, payer/provider data flows) 
  • Excellent problem-solving skills and attention to detail 
  • Strong verbal and written communication skills 

Preferred Qualifications 

  • Experience with Microsoft Azure cloud services (deployment, monitoring, DevOps pipelines) 
  • Exposure to FHIR or other modern healthcare interoperability standards 
  • Experience working in Agile/Scrum environments 
  • Knowledge of HIPAA compliance and healthcare data security best practices 

 

About Us 

Established in 2011, Trinetix is a dynamic tech service provider supporting enterprise clients around the world. 

Headquartered in Nashville, Tennessee, we have a global team of over 1,000 professionals and delivery centers across Europe, the United States, and Argentina. We partner with leading global brands, delivering innovative digital solutions across Fintech, Professional Services, Logistics, Healthcare, and Agriculture. 

Our operations are driven by a strong business vision, a people-first culture, and a commitment to responsible growth. We actively give back to the community through various CSR activities and adhere to international principles for sustainable development and business ethics. 

To learn more about how we collect, process, and store your personal data, please review our Privacy Notice: https://www.trinetix.com/corporate-policies/privacy-notice 

Requirements

Key Skills
? Key Skills in dark blue have been inferred based on similar industry roles
.NET / C# Angular SQL Server Restful Apis HL7 Azure (app Services Azure SQL Azure Functions) Scrum C SQL React Azure Git Agile

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