Tehasin Kaladiya

+ Developed and maintained BillCall/BSS modules across Fraud Management System (FMS), Revenue Assurance
(RA), Mediation and User Management for telecom operator workflows.
+ Built ASP.NET Core Web API and MVC features using G#, EF Core, LING, Repository/UnitofWork pattem,
AutoMapper, layered architecture and REST-based integrations.
+ Designed and enhanced FMS Maintenance Scheduler and Execution Status features with BackgroundService,
RabbitMQ queues, MySQL/MongoD8/ file retention, transaction tracking, logging, APIs and MVC reporting
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+ Implemented cleanup logic for Delete_Before and Delete_After retention policies across fle systems, MongoDB
collections and MySQL tables, including date parsing, cutoff validation and execution result tracking.
+ Worked on FMS Rule Engine functionality for fraud detection using configurable rules, arithmetic/ threshold
expressions, AND/OR logic, MongoDB aggregation and RabbitMQ consumer processing
+ Enhanced Loader, Collector and Mediation flows for CSV/APY/DB/FTP/SFTP usage-file ingestion, high-volume
storage in MongaDB/ElasticSearch and billing ready data preparation
+ Contributed to Revenue Assurance workflows such as CR reconciliation, comparison, data matching. oins,
aggregation, KPI checks, revenue calculation and anomaly/revenue leakage analysis.
+ Implemented and improved security features including Google Authenticator 2FA (QR code and OTP),
IdentityServerd, authorization and Kiuwan static code remediation
+ Wrote and maintained unit/integration tests using xUnit; resolved API route, model binding, ApiResponse,
dependency injection and build/test failures.
« Optimized application reliability and performance through query tuning, Redis caching, pagination/server
side DataTables, defensive error handling and production log analysis,
+ Developed GRC and eDiscovery platform modules using .NET Core, ASP.NET MVC/Web API and Extjs
for document processing, review and export workflows.
+ Built document indexing, search, metadata extraction, filtering and export features for legal and
compliance datasets.
+ Implemented authentication, authorization and permission-based access controls for sensitive case and
evidence data.
+ Designed REST APIs and optimized database queries/caching for document search, review operations.
and system integrations.
+ Supported workflow-driven case management features and troubleshooting for document processing
issues.