Principal Software Engineer, AI Email App

ActAI; Palo Alto (CA); On-site; USD 200,000 - 260,000; Full time

Job summary

ActAI is seeking a lead engineer to drive the transformation of AI capabilities into a robust email application across backend, mobile, and desktop platforms. You will guide a small team of senior engineers and shape critical architectural decisions to optimize latency, reliability, and scalability.

The role requires a strong hands-on background in production backend systems and experience shipping ML/LLM-powered features within AI-driven products.

Qualifications

• Significant experience leading product engineering for complex systems.
• Hands-on background shipping production backend systems.
• Experience integrating modern ML/LLM capabilities into AI-powered products.

Responsibilities

• Lead the engineering layer to transform AI capabilities into a reliable email application across backend, mobile, and desktop platforms.
• Manage a small team of senior engineers and make critical architectural decisions regarding latency, reliability, and scalability.

Skills

Backend Engineering

AI Integration

System Architecture

API Design

Mobile Development

Desktop Development

LLM Integration

Technical Leadership

Observability

Monitoring

Code Review

Mentorship

Orchestration

Failure Handling

Product Engineering

Job description

Lead the engineering layer to transform AI capabilities into a reliable email application across backend, mobile, and desktop platforms. Manage a small team of senior engineers while making critical architectural decisions regarding latency, reliability, and scalability.

Requirements:

Requires significant experience leading product engineering for complex systems and a strong hands-on background in shipping production backend systems. Candidates must have experience integrating modern ML/LLM capabilities into AI-powered products.

Key Skills:

Backend Engineering, AI Integration, System Architecture, API Design, Mobile Development, Desktop Development, LLM Integration, Technical Leadership, Observability, Monitoring, Code Review, Mentorship, Orchestration, Failure Handling, Product Engineering