[Remote] Software Engineer, Backend (Collection Fingerprinting)

About Vannevar

Vannevar is a defense technology company building AI to deter adversaries. Founded in 2019 and headquartered in Palo Alto, California, USA, Vannevar operates with a workforce of 51-200 employees. Learn more at https://www.vannevarlabs.com.

About the Role

This is a remote position open to candidates in the USA. The role involves engineering systems to collect hard-to-access data, enhancing existing capabilities, and ensuring the stability and scalability of these systems in sophisticated environments.

Responsibilities

• Master Data and Capabilities: Understand our world-class data collection methods, differentiators, and how to advance them.
• Understand Users: Comprehend customer missions, challenges, and expectations to build effective systems.
• Shape Collection Approach: Develop and implement technical plans to ensure a continuous flow of high-value data, considering interactions with defensive systems.
• Build Stable, Scalable Systems: Design and maintain collection systems that operate 24x7 and remain stable under sophisticated automated detection regimes.
• Contribute to Agentic Capability: Ensure tools and collected data are usable by agents (e.g., tool-call readiness, retrieval patterns, schemas/metadata, evaluation loops) and address gaps.

Skills

• Deep experience with browser automation, anti-bot defenses, fingerprinting and signature mitigation, distributed scraping architectures, and infrastructure for sensitive or misattributed environments.
• Strong back-end experience and understanding of distributed systems.
• Proficiency in TypeScript/Python is preferred.
• Understanding of how anti-abuse, bot detection, fraud, or traffic integrity systems analyze traffic at scale.
• Data-driven with an eye for instrumentation and monitoring.
• Ability to reason about how small deviations in protocol behavior, timing, or runtime characteristics impact anomaly scores.
• Technically diverse and adaptable to new tool stacks.
• Excellent communication skills, including writing concise one-pagers to align stakeholders and drive action.
• Preference for structural resilience over reactive tactics.
• Comfortable making prioritization calls with incomplete information.
• Deep understanding of how network-level and browser-level signatures contribute to risk profiles in modern detection systems.
• Experience with web scraping and browser automation.
• Experience with national security problems and workflows, data platform/product work is a plus.
• Familiarity with agentic systems and data readiness for tool calls.
• Full-stack capability is a plus.
• An active TS / SCI Clearance is a plus but not required.

Benefits

• Health, dental, and vision insurance.
• Remote-friendly work environment with WeWork access.
• Unlimited PTO, shared downtime during federal holidays, and company-wide year-end break.
• 401(k) match.
• Lifestyle and wellbeing stipends.
• Salary top-up during military reserve duty.
• Fully paid parental leave.
• Child and pet care reimbursement during travel.