Senior Software Engineer - Backend/Infra [NYC or SF]

Concurrence • New York City, NY

18h • Onsite

About The Position

Concurrence (formerly Amigo) is building a platform that enables healthcare organizations to create clinical AI agents. Its Health World Model unifies health-system data into a living, event-level record of patient care, while agents support work across the patient journey. The platform runs natively on Databricks and integrates with major EHRs.

As a Senior Backend/Infra Engineer, you will build and own the core services behind the agent platform. These services handle millions of conversations each month, making concurrency, reliability, and clean system design central to the role. You will own services end to end, from design through production, and help shape the platform’s architecture as it grows. The role is on site in New York City or San Francisco.

Requirements

• Experience building and operating production backend systems at scale and owning their outcomes.
• Strength in concurrency, distributed systems, and service design.
• Preference for simple, maintainable solutions to difficult problems.
• Ability to debug across services, queues, and databases.
• Low ego, direct communication, and high personal standards.
• Ability to work on site in New York City or San Francisco.

Nice To Haves

• Experience in a regulated or high-reliability domain, such as healthcare, finance, or legal.
• Experience with high-throughput or low-latency system design.
• Experience with production AI or ML systems.

Responsibilities

• Design high-throughput services that handle concurrent conversations at scale.
• Own a core platform service from design through production.
• Build systems that remain available and degrade gracefully when failures occur.
• Handle sensitive healthcare data with appropriate care.
• Improve performance, observability, and operational health across services.
• Shape architectural decisions as the platform grows.
• Think carefully and holistically about system design under time pressure.

Benefits

• Health, dental, and vision insurance.
• Daily catered lunch and dinner.
• Mental health support and wellness coaching.
• Flexible wellness stipend for fitness, therapy, or personal growth.
• Annual learning budget for courses, books, or conferences.
• Conference attendance budget for professional development.
• Annual team offsite.
• Academic collaboration opportunities.
• Unlimited PTO.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed