Machine Learning Engineer

About the role

As a Machine Learning Engineer at WireScreen, you will be working across our data systems to unlock the source of truth behind one of the world's economic powerhouses: China. This role is critical to building models that support the two fundamental pieces of our business: entity resolution and our knowledge graph. These systems are the cornerstones that uncover hidden connections within the Chinese economy. You will be contributing to our existing MCP servers and agentic pipelines to classify, cluster and enrich across millions of entities. You will be working with engineering, product and research to expand our AI toolkit, scaling our data ingestion processes, building analytics and insights into our platform at a scale not previously achievable. Reporting directly to the VP of Engineering, you will work with our data team, enrichment team and product to establish our source of truth and expand our machine learning capabilities.

Responsibilities

• Fine tune our existing entity resolution algorithms to uncover hidden connections between people and organizations across China
• Expand our knowledge graph with alternative data to map out the power structure of China
• Train, test and deploy ML models that operate on tens of millions of records daily
• Work with Product to define and implement evaluation harnesses for classical ML and agentic systems
• Build agent workflows into internal tools to improve the scale and speed of our Research team

Requirements

• 4+ years of experience working on clustering-type ML problems, ideally in the domain of knowledge graphs / entity resolution, but other domains could include; recommendation engines, cohort analysis, outlier/anomaly detection
• Significant experience with python programming and SQL
• Experience working with Frontier/SOTA models and/or fine-tuning your own LLMs for specific tasks
• Working on problems across large, heterogeneous, messy unstructured datasets and/or with semantic search, computer vision (especially OCR), or linear optimization problems
• Experience with any of the following technologies: PySpark, Temporal, FastAPI, Scikit-learn, NumPy, Docker, Terraform, Kubernetes
• Early-stage startup experience (Series B or earlier)
• B2B SaaS experience
• #LI-LG1
• What You'll Love About Wirescreen
• Benefits & Perks
• At WireScreen, we care deeply about our team and are committed to supporting your well-being-both in and out of the workplace. Here's how we take care of our employees:
• Competitive compensation including salary, equity, and rapid growth potential
• 100% company-paid Medical, Dental, and Vision coverage for employees
• FSA, HSA, and 401(k) options to help you plan for healthcare expenses and retirement
• Generous paid time off plus company-wide holidays to help you rest and recharge
• Pre-tax commuter benefits to help you save on transit and parking
• Hybrid office schedule designed to give you flexibility while staying connected with your team

Benefits

Additional Information

WireScreen is a fast-growing Series A startup bringing clarity to one of the world's most complex business landscapes. We're building the go-to intelligence platform for navigating global supply chains and China-related risk-revealing the networks, relationships, and financial ties behind companies so our customers can see connections, remove obstacles, and make confident decisions. Backed by Sequoia Capital and Harpoon Ventures, our team includes a two-time Pulitzer Prize-winning journalist and senior engineers from Google, Twitter, and Oracle. We launched just three years ago and already have strong traction with top-tier government customers-and we're just getting started. If you're excited to make global systems more transparent and secure, now's the perfect time to join us. Check out this blog from our CEO on how WireScreen traced DeepSeek's origins back to 2023-well before it went mainstream in 2025.

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