Senior Full Stack Software Engineer (Python, JavaScript, TypeScript)

Based in San Francisco, Arine is a rapidly growing healthcare technology and clinical services company with a mission to ensure individuals receive the safest and most effective treatments for their unique and evolving healthcare needs. 

Frequently, medications cause more harm than good. Incorrect drugs and doses costs the US healthcare system over $528 billion in waste, avoidable harm, and hospitalizations each year. Arine is redefining what excellent healthcare looks like by solving these issues through our software platform (SaaS). We combine cutting edge data science, machine learning, AI, and deep clinical expertise to introduce a patient-centric view to medication management, and develop and deliver personalized care plans on a massive scale for patients and their care teams.

Arine is committed to improving the lives and health of complex patients that have an outsized impact on healthcare costs and have traditionally been difficult to identify and address. These patients face numerous challenges including complicated prescribing issues across multiple medications and providers, medication challenges with many chronic diseases, and patient issues with access to care. Backed by leading healthcare investors and collaborating with top healthcare organizations and providers, we deliver recommendations and facilitate clinical interventions that lead to significant, measurable health improvements for patients and cost savings for customers. 

Why is Arine a Great Place to Work?:

Outstanding Team and Culture - Our shared mission unites and motivates us to do our best work. We have a relentless passion and commitment to the innovation required to be the market leader in medication intelligence.

Making a Proven Difference in Healthcare - We are saving patient lives, and enabling individuals to experience improved health outcomes, including significant reductions in hospitalizations and cost of care.

Market Opportunity - Arine is backed by leading healthcare investors and was founded to tackle one of the largest healthcare problems today. Non-optimized medications therapies which cost the US 275,000 lives and $528 billion annually.

Dramatic Growth - Arine is managing more than 18 million lives across prominent health plans after only 4 years in the market, and was ranked 236 on the 2024 Inc. 5000 list and was named the 5th fastest-growing company in the AI category.

The Role:

As a Senior Full Stack Software Engineer, you will play a central role in building Arine’s platform, bringing deep experience in Python backend and tool development while also developing and supporting React frontends and related TypeScript and JavaScript tooling. You will work closely with technical stakeholders to enhance and optimize backend web APIs, patient data processing, document generation services, and cloud infrastructure, while also contributing directly to frontend feature development and ongoing improvements to internal frontend frameworks and tools.

This role emphasizes bridging the gaps often found in full-stack positions by integrating backend, frontend, and systems-level knowledge. You will design and implement key features, optimize performance, and develop internal libraries to enhance tracing, logging, and security, with a strong focus on type safety, schema development, compliance, and frontend technologies.

What You’ll Be Doing:

• Design and extend services supporting document generation workflows using ReportLab
• Architect and build scalable services using AWS Lambda, API Gateway, AppSync, and DynamoDB, ensuring integration across backend and frontend systems
• Contribute to React frontend development for portal products and internal administration tools, with state management using Redux Toolkit (RTK) Query
• Implement and enforce code quality and security standards, including static code analysis, dependency management, and compliance with SOC II, HIPAA, GDPR, OWASP, and NIST frameworks
• Build and maintain observability systems for logging, tracing, and monitoring to ensure reliability and performance
• Develop and manage infrastructure with AWS services, including S3, IAM, RDS, CloudFormation, SQS, SNS, and EventBridge, using AWS SAM and AWS CDK for consistent deployments
• Write unit, integration, and contract tests, manage API versioning and schema consistency, and contribute to paying down technical debt
• Collaborate with engineers, product managers, and stakeholders to delive