Staff Research Engineer, SDK Applications

Ephapsys; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

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.

Skills

AI applications

Python programming

LLM frameworks

Agent orchestration

API integration

Rapid prototyping

Education

Bachelor in Computer Science

Master or PhD in CS/ML

Tools

PyTorch

TensorFlow

SDK platforms

Developer tooling

Job description

About Ephapsys

We leverage ephaptic coupling to pioneer a new paradigm for empowering and governing autonomous AI agents across industries.

As billions of agents spread across clouds, devices, and biological substrates, Ephapsys aims to be the decentralized identity and integrity layer that keeps every agent trusted, safe, and under control.

The Role

We are seeking a Staff Research Engineer, SDK Applications to build practical SDK applications powered by the Ephapsys platform.

SDK applications at Ephapsys are typically AI agents for a wide range of use cases, and this role bridges research innovation with real-world deployment through reference implementations and agent architectures.

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

Responsibilities

Agent & Application Development

• Build AI agents powered by the Ephapsys SDK
• Develop reference implementations across multiple use cases
• Prototype new agent architectures leveraging ephaptic-enhanced models
• Build reusable components that accelerate AI application development

SDK Validation & Feedback

• Stress test SDK features through real-world applications
• Provide actionable feedback to improve SDK design and usability
• Identify performance bottlenecks and integration friction points
• Contribute improvements to platform APIs and developer tooling

Developer Experience

• Create example applications and tutorials
• Improve onboarding experiences for developers using the SDK
• Develop integration guides and reference architectures
• Support developer ecosystem growth through technical content

Collaboration

• Work closely with research engineers to apply new model capabilities
• Collaborate with the platform team on agent deployment pipelines
• Translate research innovations into usable software patterns

Qualifications

Required

• 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

Preferred

• Master or PhD in Computer Science, Machine Learning, AI, Applied Mathematics, or related field
• Experience working with SDK-based AI platforms
• Familiarity with PyTorch or TensorFlow
• Experience building developer-facing tools or APIs
• Background in AI infrastructure or ML systems engineering

What Success Looks Like

Within the first 3-6 months, you will have built several high-quality agent implementations demonstrating the power of the Ephapsys SDK, improved the developer experience through reference architectures and tooling, and contributed meaningful feedback that strengthens the platform.

Why Join Ephapsys

• Work at the intersection of frontier AI research and real-world applications
• Build the first generation of agents powered by ephaptic-enhanced models
• High ownership in a founding-stage deep-tech company
• Meaningful equity participation aligned with long-term success