Solstice

Solstice

Member of Technical Staff (Fullstack AI)

New York City · Staff+

Sponsorship not specified$200k-$300kDetected 29 days ago
TypeScriptPythonReactNext.jsFastAPIBackend DevelopmentFull-Stack DevelopmentPostgreSQLRedisDatadogTemporalAI OrchestrationAccessibilityCollaboration

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odds of building a lasting career here

61Sponsors, lottery-bound
Cap-exempt (no lottery)0
Sponsors this role90
Entry-level history0
PERM / green-card track0
Lottery odds (Level IV)94
Fits your clock70

Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.

Lottery odds assume a STEM candidate.

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H-1B wage level

the lottery is wage-weighted — each level is one more entry

Level IV · 4×
Level I$109,8451 entry
Level II$137,7172 entries
Level III$165,5893 entries
Level IV$193,4614 entries

This range already reaches Level IV — the maximum four lottery entries.

DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · New York-Newark-Jersey City, NY-NJ. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.

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About the role

  • Python is our primary backend language, and FastAPI powers our APIs.
  • You'll help decide how agents run, recover from failures, access tools and context, and communicate with the application.
  • Solve the hard parts of agent execution.

Responsibilities

  • Take on engineering problems with depth. Make long-running agents reliable, stream progress into responsive interfaces, deliver the right context securely, and understand what happens across every step of execution.
  • You'll own work across backend services, APIs, agent orchestration, and customer-facing interfaces, with a strong focus on Python and platform engineering.
  • You'll also build the React and Next.js experiences that give users visibility and control over that work.
  • You'll partner with product, design, Applied AI, and the broader engineering team to take problems from an initial idea through architecture, implementation, and production.
  • Build and maintain the agent platform.
  • Use Python, FastAPI, Restate, and Redis to build the shared systems that power our agents.
  • Shape session management, orchestration, tool access, and context delivery so new AI capabilities can build on a dependable foundation.
  • Design APIs that power the product.
  • Build Python and FastAPI services for content creation, document processing, collaboration, and enterprise integrations.
  • Design clear API contracts and PostgreSQL data models that make complex workflows straightforward to build on.

Requirements

  • You don't need experience with every tool in our stack.
  • We value strong fundamentals and the ability to learn quickly.

Nice to have

  • Experience with Restate or Temporal, sandboxed agent execution, streaming systems, or AI evaluation tools is a plus.

Compensation

  • The base salary range for this role is $200,000 to $300,000, plus equity.
  • Compensation reflects your experience, seniority, and the scope of responsibility you take on.

Benefits

  • Medical, dental, and vision coverage
  • Equity in an early-stage company
  • Unlimited paid time off
  • A stipend for professional development
  • The base salary range for this role is $200,000 to $300,000, plus equity.
  • Healthcare or pharma experience is welcome but not required.

Company info

  • Your work will span the infrastructure that runs agents and the product experiences that help customers direct, inspect, and use their output. - Take on engineering problems with depth.
  • You'll see your decisions reach customers and use their feedback to improve the product.
  • SOME IDEAL TRAITS WE'RE LOOKING FOR - 5+ years of software engineering experience.
  • Build the foundation for how people work with AI. Your work will span the infrastructure that runs agents and the product experiences that help customers direct, inspect, and use their output.
  • Have a direct hand in what we build. Join an early team where you'll shape architecture, make product tradeoffs, and work closely with our co-founders, Yiwen and Aris. You'll see your decisions reach customers and use their feedback to improve the product.
  • We're looking for a Fullstack AI Engineer to build and maintain our agent platform and bring its capabilities into the product.

Visa & Work Authorization

  • Sponsorship for O-1, H-1B, and TN visas
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This listing is sourced directly from Solstice's careers page and normalized into a canonical job model.