Senior Fullstack Engineer (AI-assisted coding)

We are a health technology company that helps older people and their families apply for important eldercare benefits, including Medicaid, Medicare, and VA programs. We work with healthcare, government systems, and people’s daily lives, focusing on accuracy, reliability, and trust. Our goal is to build AI-powered systems to automate routine tasks while maintaining human involvement for quality checks and patient safety.

Required:

• 6+ years of experience building and maintaining production software systems.
• Strong experience designing and owning complex backend systems.
• Strong backend engineering skills, especially with TypeScript and Node.js.
• Experience with asynchronous, event-driven, or workflow-based distributed systems.
• Ability to work with a daily 4–5 hour overlap with the US team (until 20:00 or 21:00 Polish time).
• Comfortable working with unclear problems and incomplete information.
• Strong spoken and written English communication skills.
• Self-motivated with a strong sense of ownership and responsibility.
• Experience working with AI or LLM-based systems and process automation, such as using Anthropic’s API (Claude) or similar tools.

Nice to Have:

• Experience in healthtech or other regulated industries.
• Knowledge of HIPAA and healthcare data privacy and security rules.
• Experience building systems with strict compliance or audit requirements.
• Experience with human review workflows.
• Experience integrating with unstable or legacy third-party APIs.
• Master’s or PhD in Computer Science, Engineering, or a related field.

• Lead the technical design and development of scalable backend systems.
• Make and document architecture decisions with clear trade-offs.
• Create patterns for collaboration between AI systems and human workers.
• Work closely with operations teams to understand real-world issues and edge cases.
• Ensure systems are observable, auditable, and safe to run at scale.
• Identify technical risks early and suggest solutions.
• Maintain high standards for code quality, testing, and system design.
• Share knowledge and help improve the team’s technical standards through reviews and collaboration.

Overlap with Central US Time required (until 20-21:00 CEST).