Full Stack Developer

Trinetix

Buenos Aires, Buenos Aires, Argentina Hybrid permanent

Posted: May 8, 2026

Required Skills

Job Description

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:
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 optimise 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 optimisation 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

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