hcsi
Full Stack Software Engineer
Job description
Job Title: Full-Stack Engineer (AI Reliability Platform)
Location: New York City, NY (On-site)
Compensation: $150,000 $325,000 base salary + competitive equity
Note: US Based Candidates Only
About the Role
We are seeking a talented and driven Full-Stack Engineer to help build an AI reliability platform that ensures AI applications are safe, robust, and production-ready. In this role, you will own the development of interfaces and workflows that empower customers to leverage cutting-edge AI research and deploy trustworthy AI applications across diverse industries.
This is a unique opportunity to work on one of the hardest and most important problems in AI, directly influencing how frontier labs and enterprises test, verify, and deploy next-generation AI systems.
Key Responsibilities
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Lead end-to-end development of new features and functionality for the AI reliability platform.
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Design reusable frontend components and visualizations to convey complex concepts intuitively.
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Collaborate with the research team to translate advanced AI evaluation into industry-leading tooling.
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Partner directly with customers to understand challenges and design user-friendly workflows.
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Guide users on AI evaluation methodologies and best practices.
Qualifications
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4+ years of experience building user-facing products (senior to tech lead level, full-stack with frontend orientation).
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Strong proficiency in TypeScript and React .
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Proficient in Python, Go, or Rust .
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Experience with relational and NoSQL databases ( Postgres, MongoDB, Redis ).
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Strong track record of product ownership and delivering enterprise-grade solutions.
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Passion for creating intuitive, well-designed user experiences.
Preferred Experience
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Background in early-stage startups or highly reputable engineering organizations.
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Prior involvement in product design or product management .
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Experience building LLM-based applications (e.g., chatbots, agentic workflows).
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Hands-on experience with Kubernetes .
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Strong GitHub portfolio showcasing impactful projects.
Additional Details
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On-site role in New York City.


