Senior/Principal Software Engineer - Mc Lean - Adelphi

    Adelphi
    Adelphi Mc Lean

    17 hours ago

    Description

    Company: Adelphi Data, Inc.

    Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description.

    Title: Senior/Principal Software Engineer

    Location: NYC or McLean, VA

    Reporting To: CEOAbout Adelphi: Adelphi is building AI-enabled data infrastructure that enables secure data access and intelligence data sharing, customized for U.S. intelligence and defense communities. Our goal is to eliminate data silos that block information flow, build trust in automation without compromising security, and improve data sharing: We solve the problem of fragmented data blocking rapid decision-making in urgent scenarios.

    Adelphi's data connector infrastructure with clean rooms technology enables secure, federated data discovery, reducing intelligence-sharing time from months to seconds while maintaining strict security and privacy protocols. Our product builds on top of current intelligence applications and brings together publicly available and first-party data to streamline intelligence work.

    Adelphi closed a $7mm seed round in August 2025; our customers are across Intelligence and Defense organizations.

    About the Role

    By joining Adelphi as part of the early Engineering team, you will be at the forefront of developing secure data sharing middleware in the national security and intelligence sectors. This role requires a mix of software development and ML Ops practices, resulting in an exciting, fast paced engineering role. The right candidate will be able to demonstrate experience building, shipping and supporting mission critical services in support of the services that comprise the Adelphi Data platform. This role requires the ability to provide solutions for the full data stack: from the data management, to software development and deployment lifecycles. Experience in the defense or intelligence fields is a plus, but is not required.

    Is this you?
    • You are excited by how AI enables and demands better solutions to time-old problems like data sharing.
    • You love solving hard problems and thrive in a fast-paced, early-stage environment.
    • You bring a proactive approach to tackling complex challenges.
    • You are psyched to work in a mission-driven environment solving a massive, complex issue for intelligence and defense.
    • You have successfully launched or come close to launching Agentic services, particularly those leveraging LLMs, embeddings, and inference, into production environments.
    • You have experience handling and securing large-scale production data.
    • You bring proficiency in permissioning and interoperability between AWS services including S3, Lambda, RDS.
    • You have ML development experience in Python/JS.
    Bonus Points
    • Experience in government (DoD, Intel, etc.) engineering.
    • Experience in building and deploying vector store based functionality at the Enterprise level.
    • Proficiency in infrastructure management (Docker, Kubernetes, AWS).
    • Expertise in encryption, authentications3, DevOps, or SRE.
    Benefits
    • Competitive salary and equity compensation.
    • Generous medical coverage for you and your family.
    • Physical and Mental Health benefits.
    • Opportunity to work on impactful projects in the national security sector.
    • A dynamic and innovative work environment.
    • Hybrid office structure. xhmxlyz
    • Career growth and leadership opportunities.

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Senior principal software engineer