At Trinetix we are looking for a Senior .NET FullStack Developer to join our team on a long-term project for a US-based client operating in the Healthcare domain. This project is specialized in agile, community-based healthcare delivery, bridging the gap between massive, crowded trauma centers and basic urgent care clinics.

Key Responsibilities:
- 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 (product, QA, stakeholders) to translate requirements into tech solutions
- 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

Required skills (must):
- 6+ years of experience in Full Stack Development roles.




- Strong proficiency in .NET / C# and at least one frontend framework, React or Angular.
- Solid experience with SQL Server, including query optimization and database design.
- Hands-on experience with RESTful APIdevelopment and third-party integrations.
- Proficient understanding of code versioning tools such as GIT.
- Experience with healthcare data standards, in specific with HL7 messaging (ADT, ORM, ORU, etc) is a must.
- Understanding of claims processing concepts (837/835 transactions, adjudication workflows, provider dataflows).
- Excellent problem-solving skills, attention to detail, and strong communication skills.

Nice to have skills:
- 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

📌 Net Full Stack Developer (Buenos Aires)
🏢 Trinetix
📍 Buenos Aires