Daniel Nguyen

Software Engineer II @ SAP

Seattle, Washington, United States

About

I write code.

Experience

  • Software Engineer II at SAP
    Mar 2026 - Present · 4 mos

  • Software Engineer at SAP Concur
    Jan 2024 - Apr 2026 · 2 yrs 4 mos

    - Designed and implemented a shared UI component and state management framework for core setup workflows, enabling a scalable frontend architecture adopted across multiple product teams. - Delivered customer-facing features using React, Redux Toolkit, and RTK Query, and partnered with backend teams to define API contracts for enterprise workflow automation. - Developed backend services in Java Spring Boot, including RBAC enhancements, DynamoDB-backed caching layers, and integrations with internal reporting and analytics systems. - Led a cross-team redesign of authorization logic, collaborating with senior engineers to modernize RBAC patterns and improve system reliability and fault tolerance. - Owned features across Concur’s integration platform, driving UI modernization, codebase refactoring, and architectural documentation to improve maintainability and onboarding. - Built an internal LLM benchmarking framework to evaluate model latency, cost efficiency, and throughput for AI-powered product features. - Resolved high-priority ERP vendor synchronization issues in collaboration with Support Engineering, reducing customer impact and mitigating churn risk. - Implemented analytics instrumentation and authored onboarding guides to improve feature adoption visibility and accelerate new engineer ramp-up.

  • Software Engineer at SAP
    Jan 2023 - Jan 2024 · 1 yr 1 mo

    Working at SAP through SAP Next Talent 1st rotation: Sales Cloud CX 2nd rotation: ICN Communication Intelligence 3rd rotation: Concur Spend - Developed a Microsoft Outlook Plugin that integrates a middleware anonymization layer to enable customers to interface with LLMs with Generative AI capabilities. - Leveraged React, Typescript, Next.js, and Module Federation Webpack to create dynamic Micro-Frontends to facilitate modularity and maintainability of the Microsoft Outlook Plugin. - Performed a data migration from MongoDB to an S3 Database by reworking a microservice and thereby removing blockers from the SAP Sales Cloud team, allowing distribution of the product to over 300 members of Sales Cloud Organization. -Utilized Java Spring Boot, gRPC, REST APIs, and an internal Document microservice in order for a Replication Monitor microservice to consume data from services in our Kubernetes cluster.

  • Site Reliability Engineer Assistant at University of California, Davis - Chemistry Department
    Feb 2022 - Jun 2022 · 5 mos

    - Maintained Kubernetes clusters that ran LibreTexts, JupyterHub, and BinderHub; services that allow instructors and students to write and execute code online. - Developed a queueing system in Python and launched a web application using Flask.

  • Software Engineer Intern at HCL Technologies
    Sep 2021 - Dec 2021 · 4 mos

    - Developed a RESTful travel destination service utilizing Java Springboot, MySQL, and hosted on AWS. - Learned Java, Spring Framework, Docker, Kubernetes, AWS, and Devops fundamentals to build software solutions for HCL. - Practiced Agile development in order to effectively prioritize tasks and divide work amongst team members.