Full Stack Developer (Node.js, React, TypeScript)

Full Stack Developer (Healthcare App Modernization – Node.js, React, TypeScript)Who we are: -

At CitiusTech, we constantly strive to solve the industry's greatest challenges with technology, creativity, and agility. With over 8,500 healthcare technology professionals worldwide, CitiusTech powers healthcare digital innovation, business transformation, and industry-wide convergence for over 140 organizations through next-generation technologies, solutions, and products. We aim to accelerate the transition to a human-first, sustainable, and digital healthcare ecosystem with the world's leading Healthcare and life sciences organizations and our partners.

Here is an opportunity for you to make a difference and collaborate with global leaders to shape the future of healthcare and positively impact human lives.

Our vision: -

To inspire new possibilities for the health ecosystem with technology and human ingenuity.

What is in it for you?

• We’re seeking a Full Stack Developer with expertise in Node.js (TypeScript) and React to work closely with our lead for application modernization efforts.
• You’ll modernize legacy systems by incrementally replacing components with new services built on Node.js and React, ensuring zero downtime for healthcare providers and patients.
• Experience with cloud platforms like Azure, and familiarity with NestJS, Ruby on Rails, or C#, will help you bridge legacy and modern systems during this transformation

Key Responsibilities: -Application Modernization (Strangler Pattern):

• Work with the workstream lead for the incremental migration of 100+ legacy applications to a modern Node.js (TypeScript) backend and React frontend.
• Design and implement modular services to "strangle" legacy components, ensuring seamless integration and minimal disruption.
• Collaborate with architects to define migration roadmaps, prioritize high-impact modules, and maintain HIPAA compliance

Frontend Development:

• Modernize user interfaces with React, ensuring accessibility and compliance with healthcare UX standards (e.g., WCAG).
• Collaborate with designers to translate complex healthcare workflows into intuitive, patient-centric interfaces.
• Implement state management (Redux, Context API) and optimize frontend performance for high-traffic scenarios.

Backend Modernization:

• Build scalable, secure APIs and microservices with Node.js and TypeScript, prioritizing performance for healthcare workflows.
• Integrate with EHR/EMR systems, pharmacy networks, and third-party healthcare APIs.
• Optimize Azure cloud resources (Blob Storage) for HIPAA-compliant data handling

Collaboration & Compliance:

• Work with QA teams to ensure applications meet healthcare regulatory standards (HIPAA, HITRUST).
• Partner with DevOps to automate CI/CD pipelines (Azure DevOps) and monitor production systems.
• Document modernization progress and provide training for teams adopting new tools.

Nice to Have Skills:

• Experience with NestJS for structuring enterprise-grade backend services.
• Familiarity with Ruby on Rails or C# to maintain/refactor legacy components during migration.
• Knowledge of Azure healthcare tools (Azure API for FHIR, Health Data Services).
• Exposure to healthcare-specific protocols (HL7, FHIR) or prior authorization workflows.

Experience: -

· 7+ Years

Location: -

· New York, NY(Remote)

Educational Qualifications: -

• Engineering Degree – BE/ME/BTech/MTech/BSc/MSc.

· Technical certification in multiple technologies is desirable.

QualificationsRequired Skills:

• 7+ years of full stack development experience, with 5+ years in Node.js (TypeScript) and React.
• Proven track record modernizing large-scale applications using the Strangler Pattern or similar incremental migration strategies.
• Strong understanding of RESTful APIs, SQL/NoSQL databases, and secure coding practices for healthcare.
• Experience with cloud platforms (Azure preferred) and containerization (Docker, Kubernetes).

Preferred Skills:

• Background in healthcare technology, life sciences, or regulated industries (HIPAA, GDPR).
• Familiarity with NestJS, Ruby on Rails, or C#.
• Knowledge of FHIR standards or healthcare interoperability frameworks.

Life at CitiusTech

We focus on building highly motivated engineering teams and thought leaders with an entrepreneurial mindset, centered on our core values of Passion, Respect, Openness, Unity, and Depth (PROUD) of knowledge. Our success lies in creating a fun, transparent, non-hierarchical, diverse work culture that focuses on continuous learning and work-life balance.

Rated by our employees as the ‘Great Place to Work for’ according to the Great Place to Work survey. We offer you a comprehensive set of benefits to ensure that you have a long and rewarding career with us.

Our EVPBe You Be Awesome is our EVP and it reflects our continuing efforts to create CitiusTech as a great place to work where our employees can thrive, both personally and professionally. It encompasses the unique benefits and opportunities we offer to support your growth, well-being, and success throughout your journey with us and beyond. Together with our clients, we are solving some of the greatest healthcare challenges and positively impacting human lives. Welcome to the world of Faster Growth, Higher Learning, and Stronger Impact.

Join CitiusTech. Be You. Be Awesome.