ML Engineer - Verifications

About the company Kodex revolutionizes how organizations handle sensitive subpoenas and data requests from law enforcement and government agencies. Founded by a former FBI agent and backed by leading investors including Andreessen Horowitz, Y Combinator, Peak XV and Thiel Capital, Kodex has become the industry standard for secure data exchange. Our platform supports over 15,000 government agencies in 190 countries and is trusted by industry leaders like Coinbase, Stripe, and AT&T. By transforming a traditionally complex and manual process into a streamlined digital workflow, Kodex helps organizations strengthen compliance, enhance security, and reduce operational costs by millions each year. We bridge the gap between companies and authorized requestors, ensuring that sensitive data is handled with uncompromising security, transparency, and efficiency. About the Role We’re hiring an ML Engineer to join Kodex’s Verifications / Threat Intel org and help build the intelligence layer that protects our platform — detecting suspicious activity, improving verification accuracy, and turning messy real-world signals into scalable, auditable systems. This role sits at the intersection of product, data, and security. You’ll partner closely with Threat Intel operators and engineers to translate investigative workflows into production-grade models, pipelines, and decision-support tooling. You’ll also help evolve our current approach beyond noisy, brittle heuristics toward systems that are measurable, explainable, and safe to operate. What You’ll Do You’ll work across the full lifecycle — from problem framing and data exploration through deployment, monitoring, and iteration. Example areas include: Build and deploy models to detect and flag suspicious behavior (classification, anomaly detection, clustering, ranking, and other approaches as appropriate) Own ML pipelines end-to-end (feature generation, training, evaluation, batch/streaming inference, backfills, and versioning) Design evaluation + monitoring : ground truth strategies with Threat Intel, offline metrics, drift monitoring, and alerting Collaborate with product & engineering to integrate intelligence into user-facing workflows (e.g., review queues, and decision-support tooling) Improve data quality and accessibility by working with data engineering patterns (schemas, lineage, reproducibility, and access controls) Contribute to operational rigor : runbooks, incident response, and safe rollout practices for systems that impact customer trust You Might Be a Fit If You… Have 4+ years of experience building software ML systems in production Experience in fraud, abuse, trust & safety, risk, or security analytics Have experience with modern ML/DS workflows : experimentation, evaluation, and deploying models that other teams rely on Are comfortable with data pipelines and messy real-world data (instrumentation gaps, bias, label noise, and changing definitions) Think carefully about reliability and safety (rollbacks, guardrails, human-in-the-loop review, and audit-ability) Communicate clearly across disciplines and can turn ambiguous investigative needs into well-scoped engineering work Are pragmatic: you know when to start with a baseline and when to invest in stronger modeling/infra Bonus Familiarity with LLMs / RAG / agentic workflows for internal tooling or decision support Experience in compliance-sensitive environments (privacy, access controls, and audit trails) Engineering at Kodex We care deeply about the software we build — because our work protects real people. Kodex plays a critical role in helping major companies respond securely and transparently to sensitive data requests from law enforcement, enabling both privacy protection and public safety. Our engineering culture is built on trust, autonomy, and technical rigor. Our engineers: Own projects end to end Collaborate without ego Invest in quality and velocity Act as force-multipliers for one another This is a place where the best idea wins, and your work has real impact, every day. Our Stack Core: TypeScript, Node.js, Postgres, AWS Data: Databricks (and adjacent data tooling) We also build AI capabilities across the platform (document processing, internal tooling, and automation) and collaborate across teams when it accelerates impact. Benefits Remote-first within the U.S. Biannual offsites in exciting locations. Past trips include Seattle, Miami, Nashville, and San Francisco Competitive salary and meaningful equity Unlimited PTO + 14 company holidays 12 weeks of fully paid parental leave , with a flexible return-to-work policy Comprehensive medical, dental, and vision plans 401(k) retirement plan Applicants must be currently authorized to work in the United States on a full-time basis. We are unable to sponsor or transfer employment visa sponsorship for this position. Equal Employment Opportunities at the Company Kodex is committed to hiring talented and qualified individuals with diverse backgrounds for all of its tech, non-tech, and leadership roles. Kodex believes that the gathering and celebration of unique backgrounds, qualities, and cultures enriches the workplace.

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