• Maintained and optimized Spring Boot microservices, resolving bugs and improving system reliability.• Managed Elasticsearch and PostgreSQL indexes for large OGDR datasets, enhancing search performance.• Utilized JPA Native Queries to execute raw SQL queries, enabling complex database interactions and leveraging database-specificoptimizations for performance improvements.• Employed Criteria API to build dynamic, type-safe queries, enhancing flexibility in data retrieval and reducing runtime errors.• Implemented REST and socket-based communication protocols between microservices to ensure reliable data exchange.• Containerized microservices using Docker, ensuring consistency across development and production environments.• Developed/Maintained parsers for DLIS and LAS logs in Python to efficiently handle and analyze.

• Designed and implemented scalable Django-REST APIs for a SaaS-based solution, creating custom visualizations for real-timecryptocurrency data and optimizing performance across devices.• Integrated crypto wallets with applications, utilizing Apache Airflow for workflow automation & third-party APIs for functionality.• Developed and maintained a price-service in Golang, retrieving historical cryptocurrency prices from APIs such as CoinPaprika and CryptoCompare, ensuring accurate, up-to-date data for the SaaS solution.• Collaborated with the development team to drive progress; produced detailed API documentation for front-end integration.• Actively contributed to code reviews and participated in the development of new features and enhancements.• Orchestrated Infrastructure as Code (IaC) using Python-CDK, deploying AWS resources such as API Gateway and Lambda.

• Developed the Python backend of a reconciliation application to process Call Detail Records (CDRs) ensuring the legal termination ofinternational traffic.• Designed & implemented ETL processes in Python using pandas for data profiling & transformation, integrating data from HDFS.• Created and queried Hive External tables with HQL, performed reconciliation based on predefined rules, and generated reports usingHiveQL and SparkSQL.• Designed and implemented REST APIs for a web monitoring solution, capturing and monitoring 10 Gb traffic on DPDK interfaces,leveraging a DPI engine and Elasticsearch cluster.• Implemented Kafka publishers and consumers in Golang, setting up a cluster using Elasticsearch/ClickHouse.• Developed a Golang consumer for Kafka topics to parse and clean data.• Deployed and managed a multimode Elasticsearch cluster, utilizing Kibana for visualization and configuring Index Lifecycle Management(ILM) policies

Provided configuration and integration management expertise to different HPE products TeMIP, Fault- Archival and Statistics (FAS), Unified Correlation and Automation (UCA), Unified OSS Console (UOC). My responsibilities were:- Maintain the services used in application integrations.- Setup the environment for HPE-TeMIP - Integration of different HPE-TeMIP products.- Provide support for HPE-TeMIP