Senior Full Stack Engineer - MERN Stack - Healthcare Domain
First seen by Alion on Oct 24, 2026.
Senior Full Stack Engineer (MERN)
Role Overview :
We are looking for a Senior Full Stack Engineer who can independently design, build, and deliver high-quality features across the stack. You will play a key role in shaping implementation decisions, improving engineering standards, and mentoring junior engineers. This role is ideal for engineers who enjoy owning problems end-to-end and working closely with product, clinical, and engineering stakeholders.
Key Responsibilities :
- Design, develop, and maintain end-to-end features across frontend and backend systems
- Build scalable, maintainable frontend applications using React.js
- Design and implement robust backend services and APIs using Node.js
- Own feature delivery from requirements clarification to production release
- Make thoughtful trade-offs between speed, quality, and long-term maintainability
- Write clean, well-tested, and well-documented code
- Review code from peers and raise the overall quality bar
- Troubleshoot and resolve production issues, including root cause analysis
- Collaborate with product managers, designers, and clinicians to refine requirements
- Ensure adherence to security, privacy, and reliability best practices, especially for healthcare data
- Actively contribute to improving engineering processes, tooling, and standards
- Use modern developer tooling, including AI-assisted development tools, to improve productivity while maintaining high standards of code quality, reliability, and maintainability.
Required Skills & Experience :
- 4 - 7 years of professional software engineering experience
- Strong proficiency in JavaScript
- Solid experience with React.js, modern frontend patterns, Node.js, and RESTful API design
- Experience working with databases : SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB)
- Strong understanding of software design principles, performance optimization, and observability
- Hands-on experience with unit/integration testing, Git-based workflows, and CI/CD pipelines
- Ability to debug complex issues across the stack
- Demonstrates sound judgment in leveraging AI-assisted tools
Nice-to-Have :
- Experience with Docker, Kubernetes, or cloud-native systems
- Exposure to healthcare, medical devices, or regulated domains
- Experience designing APIs or systems consumed at scale
- Prior mentoring experience
Skills
Full Stack, Javascript, React.js, Node.js, RESTful API, PostgreSQL, MySQL, MongoDB, MERN Stack, Healthcare EcoSystem