Shubam Sharma

About Shubam Sharma

Experienced software developer with a focus on building scalable microservices…

Experience

1. Senior Software Engineer

   Apple

   Aug 2021 — Present · Pune, IN

   Senior Software Engineer -Cassandra Refresh – Spark Scala Job - Developed a high-performance Spark Scala job to load processed clinical data and payer-shared member data (MEF) into Cassandra for real-time patient metadata retrieval- Designed configurable member-matching rules at the practice level, allowing customized matching logic- Optimized Cassandra schema to facilitate fast queries for APIs serving patient data in the Exchange Nexus Portal- Reduced processing time by 40%, handling 50M+ records with 97%+ matching accuracy. FastAPI Microservices – Python APIs - Designed and maintained Python-based microservices interfacing with Cassandra & Google Cloud Storage for real-time medical record retrieval- Built RESTful APIs using FastAPI (Python 3.12), Dockerized, and deployed on Google Cloud Run with CI/CD automation- Developed APIs for member search, medical record retrieval, and practice metadata, ensuring sub-second response times- Implemented unit testing (Pytest) and structured logging, reducing production issues by 40% and improving monitoring. Software Engineer -DataPrep – Spark Scala Job - Built a Scalable ETL pipeline using Spark 2.4 & Scala 2.10 on Google Dataproc to process multi-format EHR extracts- Developed a custom multi-line reader for handling unstructured medical data in ISO-Latin & UTF-8 formats, standardizing to UTF-8- Implemented schema mapping, deduplication, and date standardization, ensuring clean and structured outputs- Enhanced pipeline to process multiple batches simultaneously, improving throughput and reducing processing time- Achieved 88%+ test coverage with ScalaTest, ensuring high reliability and maintainability.