Mehmood

Working as Linux firmware development and AI solutions architect

Backend engineer in the Deposits team of Mambu’s Core Banking Engine (Java 21, Spring Boot). Designed and built the Credit Interest Compounding feature end to end, built shadow-balance tracking with asynchronous regulatory-limit breach detection for Mexican deposit accounts, and built core components of the Cash Outflow Engine, including schema, charge distribution, transaction orchestration and account-state transitions. Led the Grafana-based analysis for decommissioning API v1 deposit endpoints. Diagnosed and fixed production defects in interest calculation and transaction timing, performed controlled production data fixes, and took part in on-call and incident-triage rotations with SRE, Product and Customer Support.

Developed Java/Spring Boot microservices and REST APIs for Wallet and Voucher services, integrated through REST and Feign Client with relational and MongoDB data stores. Implemented a Kafka-based event pipeline for real-time reporting. Wrote JUnit/Mockito tests, documented APIs with Swagger/OpenAPI, and worked with AWS (Cognito, S3, CodePipeline), Docker, Maven, Jenkins and SonarQube across the full lifecycle, from requirements to deployment and client collaboration.

to be added

Built the Programming Tool and Display Tool for Optergy Proton, an AngularJS/Java Spring application for scripting building-automation devices. Built the compiler module that converts display layouts into XML/BACnet real-time data and wrote the Selenium automated test suite. Owned feature scoping, release planning and task breakdown with customers, and designed the Abakus Analytics web calculator for people-counting sensors.

Developed Android applications in Java, including an OpenCV-based image-filter app, a WiFi-Direct/Bluetooth file-sharing app, a food-delivery rider app with live location tracking and Google Maps routing backed by PHP REST APIs, and a barcode/QR scanner.