John Archer

John Archer

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Senior Software Engineer at Robert Half
New York, United States

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Jobs verified_user 0% verified
  • Roberthalf
    Senior Software Engineer
    Roberthalf
    Jun 2022 - Current (4 years 5 months)
    Led the development of Al-driven payment workflows and cryptographic identity modules for clients, delivering secure transaction systems across decentralized platforms. Architected and implemented scalable APIs, SDKs, and Agent Interaction Layers to enable autonomous agent commerce, integrating Python, TypeScript, and Go. Designed end-to-end financial systems supporting multi-agent transactions with secure encryption and JWT-based authentication. Developed digital identity and reputation management tools for client platforms, enhancing agent discovery and trust metrics. Delivered high-performance microservices using Docker, Kubernetes, and AWS Lambda for scalable client deployments. Integrated blockchain and stablecoin solutions into client
  • Berry Appleman & Leiden LLP
    Senior Software Engineer
    Berry Appleman & Leiden LLP
    Aug 2018 - Mar 2023 (4 years 8 months)
    Developed secure backend services for legal clients, including transaction processing and identity management using Python and Django. Implemented document automation APIs and data pipelines for internal and external client services. Designed microservices architectures with Node.js, Express.js, and MongoDB, improving data reliability. Built authentication systems with JWT, OAuth 2.0, and OpenID Connect for client portals. Integrated financial transaction tools for trust accounting and client billing systems. Developed reputation and audit logging systems for secure client interactions. Built RESTful APIs supporting cross-platform client applications. Implemented CI/CD pipelines using Jenkins and GitHub Actions to streamline deployments. Op
  • A
    Software Engineer
    Anovia Payments
    Feb 2017 - Aug 2018 (1 year 7 months)
    Built payment processing APIs for real-time transactions using Node.js, Express.js, and PostgreSQL. Developed secure digital wallets with Python and cryptographic modules for client payments. Designed transaction reconciliation services integrating with third-party financial networks. Implemented REST APIs for merchant and customer payment portals. Developed fraud detection algorithms leveraging Python and data analytics pipelines. Optimized microservices for high-volume transaction handling using Docker and Kubernetes. Integrated tokenized payments and stablecoin-based transactions. Built real-time monitoring dashboards for transaction flows with Grafana and Prometheus. Conducted unit and integration testing using PyTest and Jest to ensure
  • S
    Software Engineer
    Short's Travel Management
    Jun 2016 - Jan 2017 (8 months)
    Developed booking and reservation APIs using Python, Django, and PostgreSQL. Built secure payment gateways for travel transactions. Implemented RESTful services for travel agents and corporate clients. Designed automated itinerary generation systems with Python scripting. Developed real-time availability tracking and inventory management dashboards. Applied unit testing and integration testing using PyTest. Built authentication and user management systems with OAuth 2.0. Integrated external travel APIs for flight, hotel, and car booking data. Optimized database queries and implemented Redis caching for faster response times. Assisted in migrating legacy systems to microservice-based architectures for scalability.
Education verified_user 0% verified
  • Baylor University
    Bachelors Degree
    Baylor University