Software Engineer (Backend)

OneImaging is revolutionizing the radiology landscape by delivering affordable, accessible, and seamless imaging services. Our mission is to simplify patient journeys by overcoming traditional healthcare challenges such as high costs, limited availability, inefficient scheduling, and complex insurance procedures. Join us in making a tangible difference in healthcare.

We are looking for a talented Backend Software Engineer who is excited to help grow and scale our API services, including helping transition our existing Node.js (Express) platform to TypeScript. As a backend focused developer you will design, build, and maintain robust backend features, develop API services, implement controller tests, and collaborate closely with frontend and data engineering teams to deliver secure and efficient healthcare technology solutions.

Key Responsibilities:

• Developscalable backend service components using TypeScript, Node.js, Express, MongoDB, and PostgreSQL.
• Build, maintain, and optimize RESTful APIs with clear roles, permissions, and audit logging aligned with HIPAA compliance requirements.
• Refactor existing Node.js codebases to modern TypeScript standards, ensuring improved maintainability and reliability.
• Write comprehensive unit and integration tests to ensure code reliability and robustness.
• Collaborate closely with frontend engineers (React, NextJS) to deliver cohesive, responsive user experiences.
• Engage with data engineers to allow for backend applications to mesh well with data-driven components and BI tools.
• Optimize backend performance and troubleshoot production issues promptly, ensuring minimal downtime.
• Leverage AWS services including S3, Route 53, App Runner, Fargate, Bedrock, and Transfer Family for secure deployment and scalability.
• Participate actively in code reviews, knowledge sharing discussions, and development decisions to continuously enhance code quality and team practices.

Document backend architecture, API specifications, and technical decisions clearly and effectively.

Requirements

• B.S. in Computer Science, Engineering, or related technical discipline with 3+ years of experience in backend software engineering, or 6+ years of relevant industry experience.
• Proven expertise with TypeScript, Node.js, Express, MongoDB (Mongoose), and PostgreSQL.

• Experience designing and implementing RESTful APIs, roles & permissions, and audit logging for regulatory compliance (e.g., HIPAA).
• Familiarity with testing frameworks such as Jest or Mocha.
• Strong understanding of software architecture best practices and backend optimization techniques.
• Excellent communication skills, collaborative mindset, and ability to work effectively within cross-functional teams.
  

Preferred additional skills:

• Familiarity with frontend frameworks, especially React.
• Experience with healthcare data standards (FHIR, HL7, DICOM) and development standards of dealing with sensitive data.
• Familiarity with using containerization technologies as part of daily development (Docker)
• Proficiency with AWS services including S3, Route 53, App Runner.
• Exposure to CI/CD pipelines and agile development methodologies.
• Experience working with multi agent (e.g. LLM & OCR) technologies to improve upon manual processes

Benefits

• Competitive salary and comprehensive benefits.

• Opportunity to directly improve healthcare delivery and patient outcomes.
• Collaborative environment with passionate, experienced professionals.
• Flexible remote work arrangements.
• Clear opportunities for professional growth and leadership roles.
  

Qualification

Bachelor's Degree