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Principal Software Engineer

Job

Harnham

Belmont, CA (In Person)

$315,000 Salary, Full-Time

Posted 1 week ago (Updated 1 day ago) • Actively hiring

Expires 7/4/2026

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Job Description

Principal Software Engineer at Harnham Principal Software Engineer at Harnham in Belmont, California Posted in 4 days ago.
Type:
full-time
Job Description:
PRINCIPAL SOFTWARE ENGINEER BAY AREA, CA
(3 DAYS
IN OFFICE
) $280,000 - $350,000+ (BASE + EQUITY) An exciting opportunity for a hands-on Senior Software Engineer to join a lean, profitable platform connecting creators through video.
THE COMPANY A
profitable, early-stage tech company with a small Bay Area-based team. The product already reaches a significant audience and focuses on high-impact, user-generated video content.
THE ROLE
Hands-on engineering and AI work across the platform: Build agentic GenAI workflows using internal datasets Develop marketing and growth systems: email delivery, personalization, engagement tracking Create commercial AI models to understand user behavior and engagement Collaborate across product and engineering teams End-to-end coding, system design, and customer validation
YOUR SKILLS & EXPERIENCE
Backend:
Python, Django Frontend:
React Cloud/Infrastructure:
AWS Databases:
Postgre
SQL AI/ML
OpenAI; knowledge of agent systems helpful Experience with large-scale data and knowledge systems is a plus Comfortable working in a lean, high-ownership environment
HOW TO APPLY
Please register your interest by sending your resume to Calum Reid via the apply link on this page.