Lakhan Jadhav

Senior Full Stack .NET Developer at San Bernardino County

Delivered enterprise-grade applications by following Agile Scrum, participating in sprint planning, code reviews, and continuous feedback cycles. Contributed to architecture discussions and implemented scalable microservices solutions, ensuring modularity, maintainability, and simplified deployments. Developed backend services with ASP.NET Core Web API (.NET 6/7) and integrated with Oracle ERP Cloud APIs to enable real-time financial and reporting functionalities. Designed and consumed RESTful APIs for cross-application data synchronization, ensuring consistent communication standards across internal systems. Leveraged EF Core for data access and schema migrations, optimizing queries for high-volume transactional workloads. Processed structured and unstructured data with JSON and XML for third-party integrations. Implemented cloud-native solutions on Azure (API Management, Functions, Logic Apps, Key Vault, Azure SQL DB) and exposure to Data Factory as needed. Implemented security using

Senior Full Stack .NET Developer at Quest Diagnostics

Involved in the full SDLC from requirement gathering, design, development, deployment, and maintenance. Developed microservices using ASP.NET Core (.NET 6/7) REST APIs, secured and managed through AWS API Gateway and Application Load Balancer. Designed and consumed RESTful APIs for diagnostic data exchange, billing workflows, and insurance processing. Integrated IBM DB2 and Amazon RDS (SQL Server) databases, creating optimized queries, stored procedures, and indexing strategies. Refactored stored procedures with CTEs, indexing, and execution plan tuning. Built responsive front-end applications using React 17, TypeScript, JavaScript (ES6), HTML5, CSS3, Bootstrap, and Material UI. Implemented client/server validations using React Hooks and library-based form validations. Secured APIs with ASP.NET Core Identity and JWT authentication, enforcing RBAC and SSL/TLS. Deployed containerized applications using Docker and orchestrated them with Amazon ECS and Fargate. Automated builds and deploym

Senior .NET Developer at State of Montana

Participated in Agile ceremonies and delivered compliant functionality. Applied layered Onion/Clean Architecture to improve maintainability and testability. Developed secure, modular APIs using ASP.NET Core Web API (.NET Core 3.1/.NET 5) with claims intake, adjudication, and provider workflows. Designed and consumed RESTful services for real-time data sharing with external portals and inter-agency systems. Implemented EF Core for persistence, migrations, and query optimization to support high-volume claims processing. Standardized inter-service JSON contracts and managed APIs via Azure API Gateway with throttling, versioning, and subscriptions. Integrated OAuth2/OpenID Connect for authentication and statewide SSO. Built SPAs with Angular 11, and NoSQL repositories with MongoDB 4.x. Implemented asynchronous messaging with RabbitMQ and ensured resilience with retry/dead-letter strategies. Practiced TDD with xUnit; tested APIs with Postman and documented endpoints with Swagger UI. Automat

Senior .NET Developer at Charter Communications

Collaborated with stakeholders to deliver iterative enhancements using Agile SDLC. Developed enterprise-grade applications with ASP.NET MVC and .NET Core 2.1/2.2, focusing on modular, scalable, and high-performance systems. Designed and consumed SOAP and RESTful services, integrating internal systems with third-party APIs via HttpClient. Managed persistence with Entity Framework and ADO.NET for IBM DB2 and SQL Server 2016/2017. Built dynamic front-ends with React 16, TypeScript, Redux, and Bootstrap, migrating legacy ASP.NET MVC front ends to React. Implemented secure authentication with ASP.NET Core Identity and OAuth 2.0 for RBAC/SSO. Scaled and optimized Laserfiche workflows for document management. Standardized JSON/XML inter-service communication and built Node.js middleware for validation and error handling. Conducted unit/integration tests with NUnit and automated deployments with AWS CodePipeline/CodeBuild. Implemented structured logging with Log4Net and AWS CloudWatch, and int

Senior .Net Developer at Elevance Health

Delivered healthcare applications using Agile methodologies. Built ASP.NET MVC 5 solutions with modular and maintainable architectures. Developed SOAP and RESTful services for claims processing, eligibility checks, and provider data exchange. Used ADO.NET/EF6 for data access, optimized SQL Server queries, and implemented ETL with SSIS. Implemented XML/JSON integrations and role-based authentication with ASP.NET Identity. Built responsive UIs with ASP.NET MVC, HTML5, CSS3, and JavaScript. Created SSRS reports for business dashboards, and performed performance tuning with SQL Server Profiler. Mentored teammates and contributed to cross-team QA and UAT efforts, ensuring HIPAA compliance and robust release practices.

.NET Developer at HDFC Bank

Analyzed business requirements and translated them into functional specifications to enhance customer-facing banking applications. Developed responsive web pages with ASP.NET MVC 5, HTML5, CSS3, JavaScript, jQuery, AJAX, and Bootstrap. Built and consumed ASP.NET Web API and SOAP services for claims processing and third-party integrations. Implemented token-based authentication and role-based authorization to secure sensitive data. Designed and managed SQL Server 2012/2014 databases with EF6 (Database First). Wrote optimized T-SQL scripts, stored procedures, triggers, and views. Performed performance tuning with SQL Server Profiler and SSIS-based ETL processes. Maintained and enhanced WinForms applications, collaborated with QA for integration testing, and produced documentation. Followed a hybrid Agile/Waterfall approach and managed version control with TFS.

Sr. Full Stack .Net Developer at San Bernardino County

Delivered enterprise-grade applications using Agile Scrum, contributing to architecture discussions and implementing scalable microservices. Built backend services with ASP.NET Core Web API (.NET 6/7, migration to .NET 8) and Oracle ERP Cloud APIs for real-time finance and reporting. Designed RESTful APIs for cross-application data synchronization; used EF Core for data access and migrations; implemented OAuth2/JWT, RBAC. Built Angular 14 SPAs and modern UIs with TypeScript, HTML5, CSS3, and Bootstrap; migrated select modules to Blazor Server/WebAssembly. Used Docker and AKS for containerization, Azure DevOps CI/CD pipelines, and event-driven messaging with Confluent Kafka, Azure Service Bus, RabbitMQ, and MSMQ. Implemented disaster recovery with geo-replication, enhanced logging with Serilog and Application Insights, and mentored juniors.

Sr. Full Stack .Net Developer at Quest Diagnostics

Developed microservices using ASP.NET Core (.NET 6/7) REST APIs secured via AWS API Gateway and Application Load Balancer. Integrated IBM DB2 and Amazon RDS (SQL Server); optimized queries with CTEs and indexing. Built React front-end with TypeScript and Material UI; implemented client/server validations with hooks and Formik. Secured APIs with ASP.NET Core Identity and JWT; containerized with Docker and orchestrated via AWS ECS/Fargate. Automated CI/CD with AWS CodePipeline/CodeBuild; IaC with Terraform and CloudFormation. Implemented structured logging with Serilog and CloudWatch; supported HIPAA/CLIA-compliant workflows.

Sr .Net Developer at State of Montana

Developed secure modular APIs using ASP.NET Core Web API (.NET Core 3.1/.NET 5), Onion/Clean Architecture; EF Core; NoSQL MongoDB; RESTful data sharing; OAuth2/OpenID Connect for statewide SSO. Built Angular 11 SPA; RabbitMQ with retry and DLQ; TDD with xUnit; Azure DevOps CI/CD; SonarQube; centralized logging with Log4Net/Serilog; optimized MongoDB collections and SQL Server for high-volume claims processing.

Sr .Net Developer at Charter Communications

Developed enterprise apps using ASP.NET MVC and .NET Core 2.1/2.2; SOAP/REST integrations; EF/ADO.NET for IBM DB2 and SQL Server. Built React 16 frontend with TypeScript/Redux; migrated legacy MVC to modular React components. Implemented ASP.NET Identity with OAuth2 for SSO; enhanced Laserfiche workflows; standardized JSON/XML contracts. Developed Node.js middleware for request validation/logging; automated CI/CD with AWS CodePipeline/CodeBuild; logging with Log4Net and CloudWatch; collaborated with teams for telecom-domain compliance.

Sr .Net Developer at Elevance Health

Delivered healthcare application features in Agile sprints using ASP.NET MVC 5; integrated SOAP/REST services for claims processing, eligibility checks, and provider data exchange. Used EF6/ADO.NET with SQL Server; designed stored procedures/triggers; built SSIS ETL pipelines. Implemented ASP.NET Identity-based security, role-based access, and authentication. Built UI with ASP.NET MVC, HTML5, CSS3, JavaScript, jQuery, Bootstrap. Implemented logging with Log4Net; tracked with TFS/JIRA; ensured HIPAA compliance.

Sr .Net Developer at HDFC Bank

Analyzed business requirements to deliver customer-facing banking apps; developed responsive ASP.NET MVC 5 UIs with HTML5/CSS3/JavaScript/jQuery/Bootstrap. Built and consumed ASP.NET Web API and SOAP services; implemented token-based authentication and role-based authorization. Designed SQL Server databases; EF6 (Database First); wrote and optimized T-SQL; performance-tuned queries. Developed ETL processes with SSIS; maintained WinForms apps; implemented structured logging with Log4Net; collaborated with QA and BAs; followed hybrid Agile/Waterfall.

Sr. Full Stack .Net Developer at San Bernardino County

Delivered enterprise-grade, microservices-based backend and frontend solutions following Agile Scrum. Designed RESTful APIs with ASP.NET Core Web API (.NET 6/7; migration to .NET 8) and integrated with Oracle ERP Cloud. Implemented EF Core data access, optimized queries for high-volume workloads, and processed JSON/XML for third-party integrations. Built cloud-native Azure solutions (API Management, Functions, Logic Apps, Key Vault, Azure SQL) with optional Data Factory exposure. Enforced security using OAuth2/JWT and Azure Key Vault. Built SPAs with Angular 14 and Blazor Server/WebAssembly; migrated legacy MVC/Web Forms to Blazor. Optimized SQL Server 2019 databases (procedures, triggers, indexing). Containerized with Docker and deployed to AKS. Automated CI/CD with Azure DevOps. Implemented event-driven services with Kafka, Azure Service Bus, RabbitMQ, MSMQ. Applied DDD and modular architecture for maintainability. Practiced TDD with xUnit; tested APIs with Postman/Swagger; front-end

Sr .Net Developer at Quest Diagnostics

Developed microservices using ASP.NET Core (.NET 6/7) REST APIs, secured via AWS API Gateway and ALB. Designed and consumed APIs for diagnostic data exchange, billing, and insurance processing. Integrated IBM DB2 and Amazon RDS; tuned queries and indexing for performance. Built front-ends with React 17, TypeScript, JavaScript; validated inputs with Formik/Yup. Secured APIs with ASP.NET Core Identity and JWT/OAuth2; deployed via Docker and AWS ECS/Fargate. Implemented IaC with CloudFormation and Terraform. Implemented Serilog logging and AWS CloudWatch. Enabled SSO via OpenID Connect and OAuth2. Applied Redis caching and partner integrations; ensured HIPAA/CLIA compliance. Automated builds with AWS CodePipeline/CodeBuild; Git/GitHub. Used GitHub for source control and CI/CD workflows.

Sr .Net Developer at State of Montana

Developed secure, modular APIs using ASP.NET Core Web API (.NET Core 3.1, some .NET 5); Onion/Clean Architecture for claims intake, adjudication, and provider workflows. EF Core persistence and migrations; JSON contracts for inter-service communication. Managed APIs via Azure API Gateway with throttling and versioning. Integrated OAuth2/OpenID Connect for statewide SSO. Built Angular SPAs; used MongoDB NoSQL for semi-structured data. RabbitMQ-based asynchronous messaging; TDD with xUnit; Azure DevOps and SonarQube; Git for version control. Indexed MongoDB collections to maintain performance under high loads.

Sr .Net Developer at Charter Communications

Developed enterprise-grade applications using ASP.NET MVC and .NET Core 2.1/2.2; SOAP/REST integration. Managed persistence with Entity Framework/ADO.NET; optimized queries for IBM DB2 and SQL Server 2016/2017. Built front-ends with React 16; migrated legacy MVC to modular React components. Implemented authentication with ASP.NET Identity and OAuth 2.0; enabled RBAC across multiple systems. Enhanced Laserfiche workflows; standardized JSON/XML interop; designed Node.js middleware for validation and error handling. Automated builds/deployments using AWS CodePipeline/CodeBuild; logging via AWS CloudWatch; built SOAP/REST integrations with external systems.

.Net Developer at Elevance Health

Followed Agile SDLC to deliver healthcare application features. Built ASP.NET MVC 5 applications; implemented SOAP/REST web services for claims processing, eligibility checks, and provider data exchange. Used ADO.NET/Entity Framework 6 for data access; implemented XML/JSON interfaces. Developed responsive UIs with ASP.NET MVC, HTML5, CSS3, JavaScript, jQuery, and Bootstrap. Implemented JWT/OAuth2 authentication and role-based access. Built ETL pipelines with SSIS; designed SQL Server 2014 stored procedures, triggers, and views; implemented SSRS for dashboards. Implemented logging and monitoring; collaborated with BAs/QA for compliant HIPAA solutions.