Build scalable backend systems for AI-powered housing and healthcare platforms, owning features from design to deployment. Requires 1+ years in Java, C#, Go, or Python, system design expertise, and onsite work in NYC.
240k – 300k/yr
On-site1+ YOEBackend Engineering
About the role
Key Responsibilities
Build systems that enable autonomous buildings to operate and communicate intelligently
Work directly with our customers to develop and own new product features end-to-end from design to deployment
Improve the scalability and reliability of our core infrastructure
Propose and implement meaningful improvements to our architecture and design patterns
Collaborate with product and design to turn AI capabilities into user-facing experiences
Continuously ship new features and improvements in an environment deploying 100+ times per day
Apply engineering best practices in testing, observability, and continuous integration
Balance speed and quality while iterating quickly on production systems
Requirements
Startup mindset with a strong sense of ownership, urgency, and pragmatism in building and shipping software
Ability to solve complex problems independently with minimal guidance
Bias for action — you move quickly from idea to implementation
Solid understanding of system design and scalable architecture principles
1+ years of experience in Java, C#, Go, or Python
Willingness to work in person at our office 4-5 days a week
Nice to Haves
Understanding of microservices architecture and event-driven distributed systems
Understanding of machine learning and data
AWS experience
Compensation & Benefits
Salary range: $240,000 - $300,000
Equity in the company
Medical, Dental and Vision premiums covered at 100%
Senior Software Engineer building core infrastructure for a stablecoin platform handling custody, transfers, issuance, and compliance workflows. Own services end-to-end in a hybrid NYC office with Go, TypeScript, Kubernetes, and AWS.
240k – 270k/yr
Hybrid5+ YOEBackend Engineering
Lead Smart Contract Engineer
Ether.FiNew York, NY +1
Lead smart contract development on Ethereum/L2s for a top DeFi protocol. Design, deploy, audit, and optimize secure Solidity contracts while driving best practices and infrastructure.
240k – 300k/yr
On-siteBackend Engineering
Senior Backend Engineer
Mochi HealthSan Francisco, CA
Senior Backend Engineer building and owning core healthcare systems for subscription billing, clinical state machines, pharmacy integrations, and agentic AI workflows at Mochi Health. Requires 5-7+ years backend experience with complex domain logic, data modeling, infrastructure ownership (K8s/Terraform/AWS), and AI tool usage.
230k – 280k/yr
On-site5+ YOEBackend Engineering
Senior Engineer, Backend/Infra
AgentMailSan Francisco, CA
Leads engineering team to build APIs, distributed infrastructure, and low-latency systems for AI agent email communication and identity. Owns end-to-end projects with 3+ years infrastructure experience at tech companies.
250k – 400k/yr
Hybrid3+ YOEBackend Engineering
Senior Software Engineer, Agent Orchestration
DecagonNew York, NY
Designs and builds execution engines for AI agents at scale, coordinating model reasoning and actions. Requires 5+ years experience with Python/TypeScript, distributed systems, and strong debugging skills.