Company: Adelphi Data, Inc. Company HQ: McLean, VA Reporting To: CEO Title: Staff Software Engineer Role Location: Remote Salary: Competitive Cash + EQ About Adelphi: Adelphi builds AI-enabled data infrastructure for secure data access and intelligence sharing, purpose-built for U.S. intelligence and defense communities. Our platform enables secure data discovery, reducing intelligence-sharing time from months to seconds. Adelphi closed a $7mm seed round in August 2025; our customers are across Intelligence and Defense organizations. About the Role: As Staff Software Engineer, you will be making technical direction and architectural decisions for the platform. This role requires a mix of software development and ML Ops practices. The right candidate will bring deep experience building, shipping, and supporting mission-critical services across the full data stack. Experience in the national security field is a strong plus to best understand Customer requirements and how that will drive the product roadmap. We are an AI-native engineering team. We expect every engineer to leverage LLMs and AI tooling as a core part of how they design, build, ship, and debug software as an integral, daily extension of their workflow. Benefits: Healthcare coverage: 100% employee premium and 50% dependents premium coverage of a platinum-level plan 401K with 2% company-match $500 monthly Physical and Mental Health benefits. Unlimited time-off policy. Remote office structure. Opportunity to work on impactful projects in national security. Career growth and leadership opportunities.