[Remote] Software Engineer, Backend (Collection Fingerprinting)

Note: The job is a remote job and is open to candidates in USA. Vannevar is a defense technology company focused on building AI to deter adversaries. They are seeking a Backend Software Engineer to enhance their data collection systems, ensuring stability and scalability while collaborating with engineering and mission teams to meet real-world data needs.ResponsibilitiesMaster our data and capabilities. We’ve built world-class data collection for some key national security data sets. Understand how we’ve built it, what our differentiators are, and how to take it to the next levelUnderstand our users. You’ll need to understand their missions, challenges, and expectations to build systems that help themShape our collection approach. You understand how our systems interact with defensive systems, and will develop and implement technical plans that keep high-value data flowingBuild and maintain stable, scalable systems. Our customers operate 24x7 and need access to fresh, rich, operationally-relevant data. You will design collection systems that remain stable under sophisticated automated detection regimesContribute to agentic capability. Ensure the tools you build and collected data is usable by agents (tool-call readiness, retrieval patterns, schemas/metadata, evaluation loops, etc.). Identify gaps where the right data isn’t getting into agent tool calls and coordinate fixesSkillsDeep experience with browser automation, anti-bot defenses, fingerprinting and signature mitigation, distributed scraping architectures, and infrastructure designed for sensitive or misattributed environmentsStrong back-end experience and understanding of distributed systemsTypescript/Python expertiseUnderstanding of how anti-abuse, bot detection, fraud, or traffic integrity systems analyze traffic and operate at scaleData driven with an eye for instrumentation and monitoringAbility to reason about how small deviations in protocol behavior, timing, or runtime characteristics propagate into anomaly scoresTechnically diverse and can adapt your tool stack quicklyAbility to communicate crisply and write a one-pager that aligns stakeholders, communicates risks, and drives actionPreference for structural resilience over reactive tacticsComfort with making hard prioritization calls with incomplete informationDeep understanding of how network-level and browser-level signatures combine to form a holistic risk profile in modern detection systemsExperience with web scraping, browser automation, and similarExperience with national security problems and workflows, data platform/product workFamiliarity with agentic systems and what makes data 'tool-call ready'Full stack capabilityActive TS / SCI Clearance is a plus but not neededBenefitsHealth, dental, and vision insuranceRemote friendly with WeWork accessUnlimited PTO, shared downtime during the federal holiday calendar, and company-wide off time at the end of each year401(k) matchLifestyle & wellbeing stipendsSalary top-up during military reserve dutyFully paid parental leaveChild and pet care reimbursement during travelCompany OverviewVannevar builds new defense capabilities for modern conflict. It was founded in 2019, and is headquartered in Palo Alto, California, USA, with a workforce of 51-200 employees. Its website is https://www.vannevarlabs.com.