Senior Frontend Platform Engineer

BUILD A SAFER WORLD. TRM Labs provides AI-powered intelligence solutions that help public and private sector agencies investigate and disrupt crime. TRM's platforms enable investigators to trace illicit activity, build cases, and construct operating pictures of threat networks. Leading agencies and businesses worldwide rely on TRM to make the world safer and more secure. We are looking for an experienced Senior Frontend Platform Engineer to join a small but fast-growing Frontend Engineering team responsible for building the visualization and rendering systems that power TRM’s investigative platform. TRM’s product surfaces complex blockchain activity through interactive graph exploration, entity networks, and data-dense investigative interfaces. In this role, you will help build the core frontend platform and visualization infrastructure that allows analysts to explore large relational datasets and uncover illicit activity at scale. As an early member of the team, you will work on high-performance rendering systems, graph visualization, and reusable frontend infrastructure that powers TRM’s investigative workflows. The impact you’ll have here: - Design and build the visualization platform that powers TRM’s investigative interfaces, including graph exploration and large-scale data visualization. - Develop high-performance rendering systems using technologies such as Canvas, WebGL, and GPU-accelerated rendering to visualize complex datasets. - Build reusable visualization libraries, SDKs, and platform primitives that enable teams across TRM to build powerful data exploration experiences. - Participate in technical design discussions and code reviews to improve architecture, performance, and maintainability. - Develop a deep understanding of crypto and blockchain investigation workflows to inform product design and platform capabilities. - Help define the next generation of data exploration tools used by investigators and financial institutions worldwide. What we’re looking for: - Strong JavaScript and TypeScript fundamentals with experience building large-scale frontend systems. - Experience building data-dense web applications, such as analytics platforms, visualization tools, or mapping systems. - Hands-on experience with Canvas, WebGL, or GPU-accelerated rendering. - Experience working with data visualization libraries such as D3, PixiJS, Three.js, or similar tools. - Experience building or working with graph / network visualization systems, using tools like D3-force, Cytoscape.js, vis.js, Sigma.js, or similar. - Familiarity with graph layouts such as force-directed, hierarchical, or radial layouts. - Experience optimizing performance in complex UIs using techniques such as: virtualization, viewport culling Web Workers, and large-dataset rendering optimization - Experience designing reusable frontend systems, SDKs, component libraries, or developer platforms. - Strong computer science fundamentals including data structures and algorithmic thinking. - Experience with React and modern frontend frameworks. About the Team: - The team operates on a weekly sprint schedule. Individuals on the team are tasked with leading projects as technical anchors and given opportunities to grow and take ownership according to their level and goals. - We work closely with product, design, and our engineering partners in data platform teams to deliver impactful features to customers and the company. - The team’s timezone is a mix of EST and PST, with at least 6 hours of overlap with PST (8 am to 2 pm PST) - We have an on-call rotation that is a week long in duration approximately once every 16 weeks. On-call requests can be categorized into two large buckets; a) PagerDuty alerts that warrant immediate attention b) customer support requests from specific Slack channels that an on-call engineer is responsible for triaging and answering Learn about TRM Speed in this position: - Ruthless Prioritization & Adaptability: We adapt quickly when faced with n