Senior Full Stack Engineer

Ethereum Technologies LLC; Houston (TX); On-site; USD 150,000 - 190,000; Full time

Job summary

Ethereum Technologies in Houston, TX seeks a Senior Full Stack Engineer to lead scalable apps using React.js on the frontend and Django on the backend. You will design Azure/AWS cloud architectures, enable secure access with OAuth 2.0, and mentor junior developers.

The role focuses on healthcare interoperability, mapping data to FHIR R4 resources and integrating FHIR pipelines with Firely, HealthLake, and PostgreSQL servers.

Qualifications

• Extensive experience building full-stack apps with React.js and Django.
• Hands-on cloud work in Azure and AWS.
• Familiarity with FHIR/HL7 healthcare data standards.
• Ability to lead, mentor and review code.
• BS/MS in a related field; GPA 3.0+.

Responsibilities

• Lead development of scalable web applications with React.js and Django.
• Design cloud architectures on Azure and AWS and optimize performance.
• Implement and consume FHIR APIs with HL7 guides and data mapping.
• Mentor junior developers and conduct code reviews.
• Collaborate with product and design teams to deliver solutions.
• Set up CI/CD pipelines and containerize with Docker/Kubernetes.

Skills

React.js

Django

Django REST Framework

Azure

AWS

PostgreSQL

Docker

Kubernetes

CI/CD

OAuth 2.0

SMART on FHIR

HL7 FHIR

FHIR R4

FHIR APIs

Education

Bachelor's or Master's in CS/Engineering

GPA 3.0 or higher

Tools

Terraform

CloudFormation

GitHub Actions

Jenkins

Azure DevOps

Firely

AWS HealthLake

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

We are seeking a highly skilled Senior Full Stack Engineer to lead and contribute to the development of robust, scalable, and high-performing applications. The ideal candidate should have strong expertise in modern frontend and backend technologies, particularly Python, React.js, Django, Azure, AWS, and PostgreSQL.

The candidate will work closely with cross-functional teams to develop innovative solutions, design scalable system architectures, optimize application performance, and mentor junior developers. Experience with healthcare interoperability standards, including FHIR and HL7, is highly desirable for this role.

Key Responsibilities:

1. Full Stack Development:

• Build, test, and deploy scalable web applications using React.js for frontend and Django for backend development.
• Develop and maintain seamless integrations between frontend and backend systems.
• Create reusable components and scalable application architectures.
• Design and implement cloud-based architectures using Microsoft Azure and AWS services.
• Optimize application performance, scalability, and reliability.
• Implement and consume FHIR APIs based on HL7 Implementation Guides.
• Map healthcare data to FHIR R4 resources, including Patient, Coverage, EOB, Clinical, Provider Directory, and Formulary.
• Ensure compliance with HL7 Implementation Guides, including CARIN, PDex, and US Core, as well as CMS mandates such as CMS-0057 and CMS-9115.
• Integrate FHIR data pipelines with platforms such as Firely, AWS HealthLake, and PostgreSQL-backed FHIR servers.
• Apply OAuth 2.0 and SMART on FHIR principles for secure access and consent management.

4. Database Management:

• Design, manage, and optimize relational databases using PostgreSQL.
• Write complex SQL queries and implement efficient database schemas.
• Develop data pipelines and ensure data integrity.
• Deploy, monitor, and maintain applications in Azure and AWS cloud environments.
• Implement CI/CD pipelines to automate application testing and deployment.
• Work with containerization technologies such as Docker and Kubernetes.

6. Collaboration & Technical Leadership:

• Collaborate with product managers, designers, architects, and development teams.
• Mentor junior developers and conduct code reviews.
• Maintain development standards and ensure high-quality deliverables.

7. Best Practices:

• Follow industry standards for application security, performance, and maintainability.
• Evaluate emerging technologies and recommend suitable solutions.

Required Skills & Qualifications:

Programming Languages & Frameworks:

• Extensive experience with React.js.
• Proficiency in Django and Django REST Framework (DRF).
• Hands-on experience with Microsoft Azure and AWS services.
• Familiarity with AWS EC2, S3, RDS, Azure Functions, and Azure App Service.
• Knowledge of serverless architecture and containerization using Docker and Kubernetes.

Database Management:

• Strong experience with PostgreSQL.
• Proficiency in complex SQL queries, database schema design, and performance optimization.

DevOps & Tools:

• Experience with CI/CD tools such as Jenkins, GitHub Actions, and Azure DevOps.
• Familiarity with Infrastructure as Code (IaC) tools such as Terraform or CloudFormation.
• Knowledge of FHIR R4, HL7 Implementation Guides, CARIN, PDex, and US Core.
• Understanding of OAuth 2.0 and SMART on FHIR.

Leadership & Interpersonal Skills:

• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.
• Ability to lead, manage, and mentor development teams effectively.
• Strong organizational skills and attention to detail.
• Fluency in English, both written and verbal.
• Bachelor's or Master's degree (BS/MS) in a relevant field.
• Minimum GPA of 3.0 or higher.

Education Requirements:

Technical Environment:

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.