Adebia Ntoso

Resume

Experience

Engineering leader with nearly 10 years designing, building, and scaling reliable, data-driven systems — from authentication platforms to marketplace trust and search. A snapshot below; reach out for a full CV.

Work

  1. 2023 — Present

    New York, NY

    Senior Software Engineer & Technical Lead

    CLEAR

    • Architected and deployed a new OAuth2 + OIDC Identity Provider on the open-source Ory Hydra framework, standardising login and step-up authentication across CLEAR's web and mobile apps.
    • Led end-to-end IdP integrations across iOS, Android, my.clearme.com, and the Sierra AI voice/chat bot — enabling ePassport on mobile and automating member authentication for common account inquiries.
    • Built custom authentication capabilities, including face authentication within CLEAR1, enabling timely enterprise integrations with partners such as Uber and T-Mobile.
  2. 2018 — 2023

    New York, NY

    Senior Software Engineer & Technical Lead → Software Engineer

    Grailed

    • Cut the non-shipment case rate from 2.8% to 0.9% by architecting a delayed-disbursement (escrow) payments workflow, reducing chargebacks and increasing seller accountability.
    • Built a data pipeline importing high-intent Google search terms from Snowflake to generate evergreen Algolia-filtered pages, improving organic discoverability and SEO.
    • Scaled digital moderation tooling with WebSocket-based listing reservations, cutting latency and improving moderator throughput without added system overhead.
    • Built and maintained a Price Recommendation Engine powering dynamic pricing insights and automated price-improvement actions to lift seller conversion and liquidity.
    • Served as technical lead for the 10-member Seller Squad, mentoring engineers and partnering cross-functionally to hit squad-level OKRs.
  3. 2016 — 2018

    Mountain View, CA

    Software Developer

    Microsoft

    • Customised and optimised Hadoop clusters to deliver a scalable ETL platform for internal data science and analytics teams.
    • Implemented proactive monitoring and alerting for ETL pipelines, improving reliability and response times for extraction-job failures.

Education

  1. 2016

    Stanford, CA

    MS, Electrical Engineering

    Stanford University

    • BS, Electrical Engineering (2015).
    • Crossfield, Black, Coley Award for Superior Academic Achievement (2014 & 2015); Dean's Award for Superior Academic Excellence (2012 & 2013).

Skills

Languages & Frameworks

  • Python
  • TypeScript
  • React
  • Next.js
  • NestJS
  • Ruby
  • Rails
  • C/C++
  • C#

Infrastructure & Security

  • AWS
  • Kubernetes
  • Docker
  • Cloudflare
  • CI/CD
  • OAuth 2.0
  • OIDC
  • Systems Design

Data & Analytics

  • PostgreSQL
  • Snowflake
  • Redis
  • Airflow
  • dbt
  • Datadog
  • Sentry
  • Data Modeling

Search & Experimentation

  • Algolia
  • LaunchDarkly
  • Optimizely
  • Braze