Senior Machine Learning Engineer - Recommendation

Role Description

Senior Machine Learning Engineer – Recommendation Systems

Remote – United States

Salary: $160,000 – $250,000 + Equity

Please note: Candidates must be fluent in both Mandarin and English.

Revive Recruitment is partnering with a well-funded, high-growth AI startup that is transforming the way millions of users discover and engage with digital content. This is an opportunity to join an ambitious engineering team building cutting-edge machine learning systems that directly influence user engagement and product growth.

This is a senior individual contributor role where you'll take ownership of recommendation and search systems, working at the intersection of machine learning, large-scale data and consumer products.

• Design, build and optimise large-scale recommendation and search systems for consumer applications.
• Develop retrieval and ranking models, including embedding-based retrieval, candidate generation and two-tower architectures.
• Build production-grade machine learning pipelines from experimentation through to deployment.
• Analyse user behaviour and content signals to improve recommendations, engagement and retention.
• Run A/B tests and use data-driven insights to continuously improve model performance.
• Partner closely with Product, Data Science and Engineering teams to shape the future direction of the platform.
• Help define the long-term machine learning architecture and best practices across the business.

Qualifications

• 5+ years' experience building production recommendation, ranking or search systems for consumer-facing products.
• Strong Python development skills.
• Hands-on experience with recommendation algorithms, ranking models and retrieval systems.
• Experience with embedding models, two-tower architectures or similar recommendation frameworks.
• Strong knowledge of TensorFlow or PyTorch.
• Experience building scalable ML pipelines and deploying models into production.
• A solid understanding of experimentation methodologies, A/B testing and performance optimisation.
• Excellent communication skills with the ability to collaborate across technical and non-technical teams.
• Fluency in both Mandarin and English is essential.

Benefits

• Competitive salary of $160,000–$250,000 plus meaningful equity.
• Fully remote position within the United States.
• Comprehensive healthcare and benefits package.
• Opportunity to work on large-scale AI and machine learning challenges that impact millions of users.
• Join a fast-growing, venture-backed startup with genuine opportunities for progression and ownership.
• Work alongside a highly talented engineering team solving complex, real-world machine learning problems using the latest technologies.