Senior Software Engineer

Modernized PepsiCo's B2B Profile Admin UI using React 18, TypeScript, Vite, Redux Toolkit, TanStack Query, Java, Spring Boot, Kafka, and PostgreSQL. Rebuilt customer and store management experiences on the company Storybook design system with Figma-aligned, feature-flagged support for North America and LATAM.

Built the Segments feature end to end, including a multi-step creation wizard, CSV uploads, store-list review, publishing, upload history, error records, and exports. Implemented CSR impersonation handoff to PepConnect, contributed to BFF and profile services, and established Cypress E2E coverage, JUnit reporting, Istanbul coverage, Vitest coverage, and SonarQube improvements.

Led delivery of an end-to-end MFA program across a Node.js API, React Workbench, AngularJS SISLNext, and SQL systems. Implemented TOTP, brute-force protection, trusted devices, device fingerprinting, geo-IP validation, session invalidation, and cross-application session continuity.

Led the Node.js 10 to 22 LTS upgrade and security hardening of the SLIP API and internal libraries. Built Campaign Studio components and Kotlin/Spring Boot opt-in and reconciliation services using Kafka, CDC, Avro, Helm, Kubernetes, OpenSearch, and Elasticsearch; also owned Call Dashboard improvements and multi-region Kafka CDC connectors.

Modernized an encrypted messaging and calling platform as the solo engineer, working across backend services, deployment infrastructure, and a Kotlin/Jetpack Compose Android client.

Built Go and Tinode WebRTC signaling, a RethinkDB changefeed message pipeline, and Coturn TURN/STUN infrastructure. Resolved delivery stalls and call stability issues, and shipped self-destruct timers, Kyber encryption, and PIN-gated Chameleon Mode.

Built shared Kotlin Multiplatform features for a loyalty application, including Featured Cards, bottom navigation, My Wallet, and shimmer loading states.

Fixed login and favorites synchronization issues, delivered points-claim event tracking, and released features in collaboration with backend engineers, designers, and QA.

Designed and built an AI-powered resume generator using Vue 3, Nuxt 3, Pinia, Node.js, Firebase Cloud Functions, Firestore, and the OpenAI API.

Delivered modular resume templates and QR-code sharing links while leading a three-person engineering team.

Led backend and full-stack work for HPE SelfSolve document and media microservices, including ingestion, search, scheduling, administration APIs, Salesforce case creation, and React administration interfaces. Used Java 11, Spring Boot, Kong Gateway, Liquibase, Docker, and Kafka.

Built a Spring Boot media-management service for film pre-production on AWS with EC2 auto-scaling, EFS, CloudWatch, and Okta. Also optimized Acumatica-to-AP stock and warehouse synchronization using SQL and the Codeless BPA platform.

Implemented token-based single sign-on, upgraded SDKs and dependencies, and resolved stability and performance issues in a live-streaming sports application.

Developed an Android proof of concept with OS-level capabilities, including launch-on-device-unlock and screen-overlay behavior.

Built a scooter-device Android application from scratch for the Qualcomm CM6125 platform. Integrated camera feeds with an AI model for sidewalk and crosswalk detection and implemented AWS IoT telemetry.

Customized the Android operating system in collaboration with Thundercomm and Qualcomm for the PathPilot scooter device.

Established the Android application architecture for Spotify Live, formerly Betty Labs, a live-audio social platform. Implemented GraphQL with a local database, socket-based real-time chat, and Agora voice integration.

Built real-time room management, warm-up and upcoming-room features, media notification playback, Firebase event tracking, and Branch SDK integration.

Developed backup and disaster-recovery capabilities for Nutanix AHV, ESXi, and vSphere environments.

Upgraded platform components from Java 7 to Java 8 and investigated AWS cloud-backup functionality.

Delivered Android, embedded, backend, and native-development work for multiple contract clients. Built an Android card-payment SDK for Xendit with Sentry reporting, LogDNA logging, and unit tests; also delivered consumer and B2B applications for Givelify, Airmiz, and other clients.

Worked on low-level Android and embedded systems, including AOSP custom ROMs, U-Boot, JNI/NDK OpenGL framebuffer capture, secure communications, and Pepper robot demonstrations. Built Node.js and AWS Lambda prototypes, cross-platform native builds, C++ maintenance work, and Windows installers.

Worked as a product engineer on the Disaster Recovery module for Hewlett Packard Data Protector. Built a Linux tool for mounting VMware virtual disks using VixDiskLib and VixMntAPI.

Developed the Virtualization Protection Agent for VMware and Hyper-V in C++. Supported global customers and mentored junior engineers.

Mr. Dipl. ing. El. (M.Sc. Electrical Engineering).