Senior .NET Full Stack Engineer with over 10 years of experience building scalable, secure systems in healthcare, and enterprise ERP. I specialize in .NET and cloud-native solutions across Azure, AWS, and GCP, helping teams with modernization, architecture decisions, and compliance-driven design to deliver high-performance, reliable platforms

Vijay Kiran Challa

Senior .NET Full Stack Engineer with over 10 years of experience building scalable, secure systems in healthcare, and enterprise ERP. I specialize in .NET and cloud-native solutions across Azure, AWS, and GCP, helping teams with modernization, architecture decisions, and compliance-driven design to deliver high-performance, reliable platforms

Available to hire

Senior .NET Full Stack Engineer with over 10 years of experience building scalable, secure systems in
healthcare, and enterprise ERP. I specialize in .NET and cloud-native solutions across Azure, AWS, and
GCP, helping teams with modernization, architecture decisions, and compliance-driven design to
deliver high-performance, reliable platforms

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Full Stack Developer at Wells Fargo
May 1, 2018 - October 23, 2025
Re-architected ACH and wire transfer systems into .NET Core microservices with Kafka for event-driven settlement, reducing transaction latency and enabling near real-time processing. Built Angular-based treasury dashboards with REST APIs for real-time liquidity and risk visibility. Implemented ETL pipelines with Informatica Cloud, AWS Glue, and Redshift to consolidate claims and eligibility data; integrated SWIFT MT and NACHA messaging into microservices using AWS SQS; automated KYC/AML onboarding with AWS and Oracle integrations; strengthened PCI-DSS compliance with Vault, HSM-based encryption, and tokenization; modernized CI/CD pipelines with Jenkins and Ansible, reducing release cycles.
Senior Full Stack Engineer at The Silverstone Technology Group
June 1, 2022 - October 23, 2025
Migrated complex adjudication systems into .NET Core microservices on AWS ECS/EKS using DDD and CQRS patterns; cut processing latency by ~40% and enabled real-time processing. Built Angular-based treasury dashboards backed by REST APIs for liquidity and risk visibility. Created unified data lakehouse with ADLS Gen2, Databricks, Synapse, and Purview; consolidated claims, eligibility, and clinical data; reduced redundant marts by ~40%. Implemented streaming data pipelines with Cosmos DB, Event Hubs, and Databricks; improved ingestion reliability. Delivered real-time provider/member portals with Angular and SignalR; automated onboarding. Strengthened PCI-DSS compliance with HashiCorp Vault, HSM-based encryption, and tokenization; modern CI/CD pipelines with Jenkins/Ansible; increased deployment success rate and reduced risk.
Senior Software Engineer at The Silverstone Technology Group
July 1, 2022 - Present
Rebuilt legacy .NET apps into .NET Core microservices running on AWS ECS/EKS; introduced CQRS/Event Sourcing; optimized claim processing and implemented fraud detection using AWS SageMaker and Spark pipelines. Integrated Epic and Cerner EHR systems via FHIR APIs to payer services; automated EDI workflows (270/271, 837, 835) with API Gateway; constructed ETL pipelines consolidating data from EMR/EHR sources for real-time eligibility, enrollment, and claims dashboards. Enhanced monitoring with OpenTelemetry and Serilog/Application Insights; built self-service dashboards; collaborated with Architecture Review Board for long-term platform strategy.

Education

Bachelor's degree in Computer Science at The University of Texas
September 1, 2011 - June 1, 2014

Qualifications

PCI-DSS Compliance
January 11, 2030 - October 23, 2025
Zero Trust Architecture
January 11, 2030 - October 23, 2025
HIPAA Compliance
January 11, 2030 - October 23, 2025

Industry Experience

Software & Internet, Computers & Electronics, Financial Services