Top Tech Jobs & Startup Jobs

Investigate and escalate fraud, money laundering, and suspicious activity using monitoring and case management tools. Perform CDD/EDD, ongoing monitoring, and document findings for audits and regulatory exams. Tune detection rules, collaborate with engineering and leadership on complex cases, and provide training and guidance to front-line staff to mitigate financial crime risks and ensure BSA/AML compliance.

Build and grow relationships with Fortune 500 advertisers and agencies, develop consultative sales strategies and presentations, lead campaign planning, performance measurement, renewals and upsells to drive revenue, stay current on social media and X product developments, and mentor new hires to foster a high-performing team.

Design, build, and operate production-grade realtime and batch data pipelines and internal data products. Ensure data correctness, tooling for backfills and reports, and partner with product/business teams to prioritize data acquisition and improvements. Work across query engines and streaming frameworks to support analytics, monitoring, and debugging for product and business stakeholders.

Conduct threat investigations into platform manipulation, account compromise, influence operations, fraud, and other policy violations. Design and execute large-scale enforcement sweeps, communicate findings to stakeholders, partner with engineering/product/policy teams, and coordinate with external parties, including law enforcement, while handling urgent incidents and on-call rotations.

Design, build, and maintain scalable, highly available APIs and platform systems for X Developer Platform. Collaborate with product, business, and engineering teams to improve developer experience, support customers, and shape platform architecture for high-throughput distributed systems.

Build and operate large-scale, low-latency search infrastructure including real-time indexing, query execution, and data pipelines. Drive production reliability, performance optimization, incident response, and technical direction for core search systems supporting high write and query loads.

Design, build, and operate large-scale search and retrieval systems. Train and deploy ML ranking models, integrate Grok into search, and scale search infrastructure for millions of users while owning end-to-end solutions.

Build and optimize backend microservices, APIs, and data models for a high-scale global payments platform. Collaborate with client engineers, drive architecture and scalability decisions, support payments, fraud, and compliance initiatives, and maintain testing, monitoring, deployment, and secure data handling for low-latency, high-concurrency systems.

Design and deliver high-value human data and evaluation projects for LLMs. Partner with model teams, build tooling to measure data effectiveness, maintain data integrity, design annotation workflows, run evaluations, and scale Human Data operations to improve model quality and truthfulness.

Manage Fortune 500 advertiser relationships to develop, execute, and optimize high-impact digital advertising campaigns using internal tools. Provide client education, troubleshoot campaign issues, analyze performance, support contracts and renewals, give product feedback, and mentor new team members. Role is onsite in New York City.