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I am a Senior Full-Stack Software Engineer with extensive expertise in .NET, C#, Angular, AWS, Azure, and Microservices Architecture. Over the years, I have developed scalable, secure, and high-availability solutions primarily in healthcare, e-commerce, and financial domains. I'm passionate about modernizing legacy systems, optimizing system performance, and implementing cloud-native applications using CI/CD automation and serverless computing. In my current role, I lead Agile teams managing architecture and cross-functional collaboration, mentoring junior developers while driving key business initiatives through innovative software solutions. My breadth of experience spans cloud infrastructure, data engineering, real-time analytics, and secure payment integrations, ensuring compliance and enhancing operational efficiency.…I am a Senior Full-Stack Software Engineer with extensive expertise in .NET, C#, Angular, AWS, Azure, and Microservices Architecture. Over the years, I have developed scalable, secure, and high-availability solutions primarily in healthcare, e-commerce, and financial domains. I'm passionate about modernizing legacy systems, optimizing system performance, and implementing cloud-native applications using CI/CD automation and serverless computing. In my current role, I lead Agile teams managing architecture and cross-functional collaboration, mentoring junior developers while driving key business initiatives through innovative software solutions. My breadth of experience spans cloud infrastructure, data engineering, real-time analytics, and secure payment integrations, ensuring compliance and enhancing operational efficiency.

Ryan Bernard

Full Stack Developer, Developer, Web Developer, +4

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I am a Senior Full-Stack Software Engineer with extensive expertise in .NET, C#, Angular, AWS, Azure, and Microservices Architecture. Over the years, I have developed scalable, secure, and high-availability solutions primarily in healthcare, e-commerce, and financial domains. I'm passionate about modernizing legacy systems, optimizing system performance, and implementing cloud-native applications using CI/CD automation and serverless computing. In my current role, I lead Agile teams managing architecture and cross-functional collaboration, mentoring junior developers while driving key business initiatives through innovative software solutions. My breadth of experience spans cloud infrastructure, data engineering, real-time analytics, and secure payment integrations, ensuring compliance and enhancing operational efficiency.…I am a Senior Full-Stack Software Engineer with extensive expertise in .NET, C#, Angular, AWS, Azure, and Microservices Architecture. Over the years, I have developed scalable, secure, and high-availability solutions primarily in healthcare, e-commerce, and financial domains. I'm passionate about modernizing legacy systems, optimizing system performance, and implementing cloud-native applications using CI/CD automation and serverless computing. In my current role, I lead Agile teams managing architecture and cross-functional collaboration, mentoring junior developers while driving key business initiatives through innovative software solutions. My breadth of experience spans cloud infrastructure, data engineering, real-time analytics, and secure payment integrations, ensuring compliance and enhancing operational efficiency.

Available to hire

I am a Senior Full-Stack Software Engineer with extensive expertise in .NET, C#, Angular, AWS, Azure, and Microservices Architecture. Over the years, I have developed scalable, secure, and high-availability solutions primarily in healthcare, e-commerce, and financial domains. I’m passionate about modernizing legacy systems, optimizing system performance, and implementing cloud-native applications using CI/CD automation and serverless computing.

In my current role, I lead Agile teams managing architecture and cross-functional collaboration, mentoring junior developers while driving key business initiatives through innovative software solutions. My breadth of experience spans cloud infrastructure, data engineering, real-time analytics, and secure payment integrations, ensuring compliance and enhancing operational efficiency.

Skills

Experience Level

Expert

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Intermediate

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Language

English

Fluent

Work Experience

Senior Software Engineer at instinctools

July 31, 2025 - August 1, 2025

Collaborated with Prime Healthcare to develop a HIPAA-compliant scalable healthcare SaaS system using .NET 6/8 and C#. Led modernization of legacy ASP.NET applications and designed microservices with RabbitMQ and Apache Kafka for real-time event-driven data streaming. Developed interoperability layers with HL7/FHIR standards and implemented gRPC for high-performance inter-service communication. Managed MS SQL Server, MongoDB, and Redis caching to optimize data handling. Directed front-end migration from AngularJS to Angular 16 and mobile app migration from Xamarin to .NET MAUI. Built serverless infrastructure on Azure with Terraform and Docker, enhancing scalability, security, and deployment efficiency. Introduced Role-Based Access Control and Infrastructure as Code for security and compliance. Orchestrated testing strategies using xUnit, NUnit, Selenium, and integrated real-time monitoring with Grafana and Azure Monitor. Integrated third-party APIs and developed real-time alert and vi

Senior Full Stack Developer at Amazon

January 31, 2021 - August 1, 2025

Led migration of monolithic .NET order processing system to serverless AWS architecture leveraging Lambda, Step Functions, API Gateway, and DynamoDB, improving scalability and reducing costs by 40%. Refactored APIs to independent Lambda functions and implemented event-driven workflows with SQS and SNS. Optimized database interactions by migrating to Amazon RDS and DynamoDB, enhancing query performance by 45%. Developed real-time order tracking with SignalR and built admin dashboard using React and Redux. Enhanced ASP.NET MVC applications for improved load times and user experience. Established centralized logging and monitoring with AWS CloudWatch and X-Ray, reducing issue resolution time by 60%. Automated CI/CD pipelines with CloudFormation, Terraform, and Jenkins, ensuring efficient and low-risk deployments. Practiced Test-Driven Development reducing bugs by 35%.

Full Stack Developer at Intuit

February 28, 2018 - August 1, 2025

Designed and developed a scalable financial e-commerce platform using .NET Framework / C# and SQL Server, reducing page load times by 35%. Developed RESTful APIs and integrated secure payment processing with PayPal and Authorize.Net compliant with PCI-DSS standards. Optimized data access using Dapper and SQL Server, reducing latency by 40%. Created real-time financial reports with SSRS and automated CI/CD pipelines with TeamCity and Octopus Deploy. Architected multi-tier financial services platform with WCF services, enhancing scalability. Developed responsive UI with HTML5, CSS3, JavaScript, Angular, and Knockout.js. Integrated WebRTC for real-time financial consultations. Leveraged AWS Lambda, S3, and RDS for scalable cloud infrastructure. Actively participated in Agile ceremonies, delivering key features for financial dashboards and payment gateways.

Senior Software Engineer at instinctools

May 1, 2025 - August 28, 2025

Collaborated with Prime Healthcare to develop a HIPAA-compliant secure healthcare management system using .NET 6/8 and C#. Engineered a scalable multi-tenant SaaS patient management system handling sensitive data securely with tenant-based isolation and advanced encryption. Migrated legacy ASP.NET MVC and Web API apps to .NET 6/8 improving performance, maintainability, and cross-platform compatibility. Designed microservices-based healthcare platform using ASP.NET Core 6 and RabbitMQ enabling independent service scaling. Developed event-driven architecture with Apache Kafka for real-time patient telemetry data processing and fault-tolerant event streaming integrated with ELK Stack for observability. Integrated secure interoperability layer for EHR systems using HL7 and FHIR standards. Led front-end migration from AngularJS to Angular 16 improving maintainability and user experience. Directed mobile app migration from Xamarin to .NET MAUI enhancing cross-platform performance and maintai

Senior Full Stack Developer at Amazon

January 31, 2021 - August 28, 2025

Led migration of monolithic .NET applications from EC2 to serverless architecture using AWS Lambda reducing infrastructure costs by 40% and improving scalability. Designed high-performance serverless order processing system leveraging AWS Step Functions, API Gateway, and DynamoDB increasing order fulfillment speed by 55%. Refactored .NET APIs into independent AWS Lambda functions reducing deployment time from 2 hours to 5 minutes and optimized cold-start latency by 30%. Implemented event-driven workflows using Amazon SQS and SNS ensuring reliable asynchronous messaging and system resilience. Developed and optimized RESTful APIs with ASP.NET Web API enabling secure, scalable order management and real-time updates. Integrated API Gateway with AWS Lambda for low-latency, cost-effective order transactions. Applied OAuth 2.0, JWT, and IAM roles for API authentication and authorization securing order processing endpoints. Migrated SQL Server databases to Amazon RDS (PostgreSQL) and DynamoDB

Full Stack Developer at Intuit

February 28, 2018 - August 28, 2025

Designed and developed scalable financial e-commerce platform using .NET Framework/C# and SQL Server optimizing transaction workflows and reducing page load times by 35%. Developed and optimized RESTful APIs using ASP.NET Web API enabling seamless inventory management and real-time order updates improving operational efficiency. Integrated secure payment processing systems using PayPal REST API and Authorize.Net ensuring PCI-DSS compliance for encrypted financial transactions. Optimized database access by integrating Dapper with SQL Server enabling efficient micro-ORM-based query execution reducing latency by 40%. Developed interactive financial reporting solutions using SQL Server Reporting Services (SSRS) delivering real-time insights in paginated reports and dynamic dashboards. Automated CI/CD pipelines using TeamCity and Octopus Deploy streamlining build, test, and deployment processes. Architected robust multi-tier financial services platform implementing SOA with WCF services enh

Senior Software Engineer at Instinctools

May 1, 2025 - August 28, 2025

Collaborated with Prime Healthcare to develop a scalable, multi-tenant SaaS patient management system using .NET 6/8 and C#, ensuring HIPAA compliance with tenant-based data isolation and encryption. Migrated legacy ASP.NET MVC and Web API apps to modern .NET platforms enhancing performance and scalability. Designed microservices platforms with ASP.NET Core and RabbitMQ facilitating independent services scaling and real-time patient notifications. Implemented event-driven architectures using Apache Kafka and ELK Stack for real-time data streaming, analytics, and system observability. Developed interoperability layers for EHR systems using HL7 and FHIR standards and designed high-performance gRPC services for low-latency communications. Automated infrastructure provisioning with Terraform, Jenkins, and GitHub for CI/CD, containerized microservices with Docker, and deployed on Azure Kubernetes Service. Developed real-time alert systems using Kafka and Azure SignalR and integrated Twilio

Senior Full Stack Developer at Amazon

January 1, 2021 - August 28, 2025

Led migration of monolithic .NET order processing system from EC2 to serverless architecture on AWS Lambda, reducing infrastructure costs by 40%. Developed high-performance serverless order processing leveraging AWS Step Functions, API Gateway, and DynamoDB increasing order fulfillment speed by 55%. Refactored monolithic .NET APIs to independent Lambda functions reducing deployment time from 2 hours to 5 minutes and optimizing cold start latency. Implemented event-driven workflows using Amazon SQS and SNS for reliable asynchronous messaging improving system resilience. Developed secure RESTful APIs with ASP.NET Web API and integrated API Gateway for low-latency order transactions. Applied OAuth 2.0, JWT, and IAM roles for secure API access control. Optimized database interactions by migrating SQL Server to Amazon RDS (PostgreSQL) and DynamoDB, improving query response times by 45%. Built real-time order tracking using ASP.NET Web API and SignalR. Developed admin dashboards with React a

Full Stack Developer at Intuit

February 1, 2018 - August 28, 2025

Designed and developed a scalable financial e-commerce platform using .NET Framework/C# and SQL Server optimizing transaction workflows and reducing page load times by 35%. Developed and optimized RESTful APIs with ASP.NET Web API enabling secure inventory management and real-time order updates. Integrated secure payment systems using PayPal REST API and Authorize.Net compliant with PCI-DSS standards. Improved data access performance using Dapper and optimized database query latency by 40%. Developed interactive financial reporting solutions with SQL Server Reporting Services delivering real-time business insights through dynamic dashboards. Automated CI/CD pipelines with Team City and Octopus Deploy streamlining build, test, and deployment. Architected robust multi-tier financial platform implementing SOA using WCF services improving transaction processing scalability and performance. Developed responsive user-friendly financial web interfaces using HTML5, CSS3, JavaScript (ES6), and