Staff Research Engineer, SDK Apps - Equity & Frontier AI

Ephapsys

San Francisco (CA)

On-site

USD 180,000 - 240,000

Full time

14 days+

Application generator

Stand out for this role — generate a tailored resume and cover letter in about a minute.

Get past ATS filters

Job summary

Ephapsys is seeking a Staff Research Engineer, SDK Applications to build practical SDK applications powered by the Ephapsys platform. This role bridges research innovation with real-world deployment through reference implementations and agent architectures.

You will collaborate with the Staff Research Engineers and Head of Platform Operations to validate SDK capabilities, stress-test model behavior, and develop reusable agent frameworks that accelerate adoption.

Qualifications

Bachelor in Computer Science or related field.
Strong experience building AI applications or agents.
Proficiency in Python and modern AI/ML tooling.
Experience with LLM frameworks, agent orchestration, or RAG systems.
Experience integrating APIs and building modular AI systems.
Ability to rapidly prototype and iterate on AI-driven applications.

Responsibilities

Agent & Application Development: Build AI agents powered by Ephapsys SDK.
SDK Validation & Feedback: Stress test features and provide actionable feedback.
Developer Experience: Create example apps, tutorials, and onboarding guides.
Collaboration: Work with research engineers and platform team to apply model capabilities.