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Synstack Technologies
AI/ML Lead

AI/ML Lead

On site

San francisco, United states

Senior

Freelance

11-03-2026

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Skills

Communication Leadership Python Machine Learning Organizational Skills Spark

Job Specifications

Position: Principal AI Engineer

Location: San Francisco CA Hybrid

Contract

Job Summary:

We are seeking a senior level AI/ML engineering contractor to temporarily step into a technical leadership and team lead role supporting personalization models and the company’s AI platform.
The ideal candidate can balance technical expertise, strategic decision making, and day to day team guidance to ensure continuity during the leave period.

Required Skills & Experience:

Senior level 12 years of experience building and operating machine learning systems in production.
Strong understanding of ranking models, recommendation systems, model evaluation, and experiment design.
Hands on expertise with modern AI/ML engineering tools (e.g., Python, Spark or similar, cloud-based ML pipelines, cloud model serving frameworks, and API design).
Ability to lead engineering discussions, guide team members, and provide clear direction.
Strong organizational skills: able to manage complex projects and maintain structure during a temporary leadership period.
Excellent communication skills, with the ability to translate technical details into clear action for partners and stakeholders.

About the Company

Synstack Tech | Innovate. Build. Hire. Grow. At Synstack Tech, we bridge the gap between innovative development and smart hiring. From building scalable digital products to sourcing the right tech talent, we help businesses move faster, think smarter, and grow stronger. Our core focus lies in: Custom Software Development Web & Mobile App Solutions UI/UX & Cloud Engineering Dedicated IT Staffing & Talent Solutions We're not just a service provider -- we're your growth partner in tech and talent. Know more