Stack Developer Asp.Net Core

AKSHAYA KOLLA

Full Stack Developer (No Visa Sponsorship)

**************@*****.*** +1-904-***-**** Linkedln PROFESSIONAL SUMMARY

• Results-driven .NET Full Stack Developer with over 5+ years of experience in designing, developing, and testing scalable, enterprise-grade web applications and AI-based solutions leveraging Azure ML Studio and packaged AI accelerators for enterprise production lines.

• Adept in the complete Software Development Life Cycle (SDLC) with hands-on experience in Agile and Waterfall methodologies for streamlined project execution and timely delivery. Certified Scrum Master with strong experience leading Agile ceremonies and team delivery. Exposure to automotive manufacturing environments.

• Expert in C#(including features of C# 10.0), ASP.NET Core Web API, MVC,Razor pages MVVM, Blazor, Windows Services with a command of multithreading, generics, and collections to build high-performance .NET applications. Proficient in using modern software design patterns such as Observer, Adapter, Strategy,Repository, Singleton, and Factory, and experienced in creating UML diagrams (Use Case & Sequence) to ensure architectural clarity and system coherence.

• Skilled in implementing modern architectural patterns including Onion Architecture, MVC, N-Tier, SDN/NFV-driven architectures and Microservices, ensuring modular, maintainable, and scalable systems.Built RESTful and SOAP-based web services with ASP.NET Core Web API, ASP.NET MVC, and ASP.NET Core Web Apps for web app development addressing complex business logic and integrations. Solid foundation in algorithms, Data Structures & core CS concepts.

• Front-end proficiency includes Angular 10+, Next.js, React.js, Vue.js, GraphQL, TypeScript, and UI frameworks such as Bootstrap, CSS, jQuery, and Ajax to deliver responsive and interactive user experiences.

• Strong database expertise with MS SQL Server, PostgreSQL, Redis and MongoDB, including development of complex PL/SQL procedures, functions, and triggers using ADO.NET, Entity Framework/Core, Dapper, LINQ and advanced data modeling. Experience integrating Node.js components into hybrid stacks for lightweight asynchronous services.

• Cloud experience with Microsoft Azure, AWS, and GCP for deployments, container orchestration (Docker, Kubernetes, GKE, AKS, ECS, EKS), and async workflows via RabbitMQ, MQTT and MSMQ. Hands-on secure authentication protocols such as OAuth2, JWT, OIDC & SAML-based authentication, Spring Security, SSL, and SSO (Identity Server experience).

• Skilled in CI/CD automation using Azure DevOps and AWS DevOps, with experience incorporating static code analysis via SonarQube and version control using Git, TFS, and SVN, IAC(Terraform, ARM Templates). Extensively used XUnit, Karma, Jasmine, Jest, Mocha, Chai, and Protractor for back-end and UI testing, along functional testing with Postman, SOAP UI, and Swagger UI for service validation. Migrated web applications into the Site core CMS System.

• Designed data pipelines for ETL/ELT, batch, and streaming using Azure Data Factory, Databricks, and Kafka and Data Lake storage layers for efficient cloud data integration. Applied Machine Learning workflows with ML.NET, TensorFlow, and AWS SageMaker for model training, integration, and deployment in scalable .NET and cloud apps.

• Database skills across SQL (Oracle, MySQL, PostgreSQL) and NoSQL (MongoDB, Cassandra, Cosmos DB, DynamoDB) with JDBC, ORM, and performance tuning. Skilled in Power BI and Tableau.

• Familiar with deploying and configuring applications on IIS and Apache Tomcat, Apache-Solr,implementing logging strategies with Log4Net, and working with RabbitMQ and MSMQ and Kafka for message-based asynchronous communication. Applying TDD/BDD practices for reliable, maintainable solutions.

• Experienced with AWS (SQS, Terraform, Kubernetes) and Azure (Azure Kubernetes Service, Azure Blob Storage, Azure Active Directory, Key Vault) and Generative AI (Azure OpenAI, RAG, Cognitive Services).

• Experience in using ReactJS components, Forms, Events, Keys, Router, plus Redux, Animations and Flux. Experience in Unit & Automated testing using Selenium & Cypress.

• Planned, organized, and maintained the full stack Kubernetes environment running on GCP, leveraging the GCP Data Stack (BigQuery, Cloud Storage, Dataflow, Pub/Sub), set up alerting and monitoring using Stackdriver in GCP.

• Experienced in using monitoring and observability tools such as Azure Application Insights, AWS CloudWatch, Datadog, New Relic, ELK Stack (Elasticsearch, Logstash, Kibana), Dynatrace and Grafana for real-time application performance tracking, error detection, and system health monitoring.

• Strong knowledge of front-end web development (wireframes) with HTML5, CSS3, SASS, and Bootstrap.

• Recognized for communication skills, self-motivation, documentation, problem-solving, and team collaboration. TECHNICAL SKILLS

Category Technologies / Tools

Languages C#, VB.NET,C++,Delphi,JavaScript(ES6),Python,Perl,PHP, Ruby, GOLang, Scala, TypeScript, HTML5, CSS3, SQL, PL/SQL, Transact SQL, MATLAB,Cypress, Fortran, COBOL, PowerShell, Hive, Pig, SAS, Swift,Postgres Web Technologies Angular 10+(RxJS, NgRx state management),React,Next.js,Vue.js,GraphQL,Bootstrap,jQuery,Relay,Vite, Ajax,Django,Typography,UI/UX (ADA / WCAG Compliance), Cookies, Express.js, Umbraco, Telerik

.NET Technologies .NET & Mobile Technologies ASP.NET Core Web API, ASP.NET Core MVC, Blazor (production apps), WPF, WCF, WinForms, Xamarin,.NET 5/6/7, C# 10.0, NestJS, Prisma, ASP.NET Core, .NET Core (3.1/6/8) Databases MS SQL Server, SQL Server 2016 (tuning, security, stability),PostgreSQL,MongoDB,DB2,OLAP & OLTP,ORM,Data modelling,RDBMS,MySQL, Microsoft Access, Azure Cosmos DB,SQL Azure, SSRS, SSIS, Snowflake, Azure Synapse, Redshift, Solr, Data Warehousing (ETL/ELT, schema design, optimization). ORM Frameworks Entity Framework, Entity Framework Core, ADO.NET, Dapper, NHibernate, LINQ to SQL Web Servers IIS, Apache Tomcat, UNIX, DOCKER

Testing Frameworks XUnit, Jasmine, Karma, Mocha, Cucumber, Citrus, Protractor, JMeter, Blazemeter,Bruno,MSTest, NUnit Web Services RESTful,SOAP,API Gateway,OpenID/OAuth2 authentication,WFS (Web Feature Service), HL7integrations Version Control Tools Git, TFS, SVN

Methodologies Agile (Scrum, SAFE), Waterfall, SCRUM Master, SDLC, Troubleshooting, Software Testing, QA,SOLID, SRE Cloud Technologies Azure (Service Fabric, Service Bus, Functions, Storage, Application Insights, API Gateway,Synapse, Blob Storage, Logic Apps, AD B2C), AWS (ECS,CDK,EC2), GCP, Mulesoft,Airflow, Flask,Gunicorn, Uvicorn,Helm Message Queues Apache Kafka, RabbitMQ, MSMQ, MQTT

Build Tools Visual Studio, Visual Studio Code, SQL Server Management Studio, NPM, Maven, Gradle CI/CD Tools Azure DevOps, AWS DevOps, Azure CLI,GitHub Actions, Jenkins, SonarQube,Bitbucket, Bicep Logging Tools Log4Net, Azure Application Insights, Grafana, Prometheus, Datadog, Dynatrace, ELK Stack Project Tools / OS JIRA,Rally,TFS,Jenkins,Confluence,Windows,Linux, Excel,YAML,Bitbucket,ServiceNow,MS Office AI/Machine Learning ML.NET, TensorFlow, Power BI, Tableau, AWS SageMaker, Scikit-learn,Keras, Pytorch,NLP(spaCy, NLTK),OpenAI APIs, Generative AI (LLMs– Azure OpenAI, Anthropic,embeddings/Vectorizaton, fine- tuning, prompt engineering,RAG, Speech Services, Semantic Kernel,Azure OpenAI), OCR Tools PROFESSIONAL EXPERIENCE

Ascension Health – Aug 2024 to Present

Full Stack Developer St.louis, MO, USA

• Developed scalable full-stack .NET and Python microservices using ASP.NET Core Web API and Django for modular handling of patient records, lab results, and clinical workflows across SaaS-based healthcare platforms.

• Built reusable (SPA) Single Page Application UI components in Angular with GraphQL, and RxJS/NgRx state management delivering real-time healthcare data, dashboards to physicians and administrative users.

• Designed and implemented RESTful services with (Swagger UI) documentation, deployed via Azure secured service mesh for robust integration across clinical systems Configured OAuth2 authentication, modern identity management & access control & Azure AD-based role management, securing access for patients, doctors, & billing personnel.

• Designed and implemented RDBMS schema with data modeling for structured healthcare data, Used Entity Framework Core and T-SQL/SQL Server for efficient querying of diagnostics, prescriptions, and visit histories.

• Developed asynchronous services in GoLang, Node.js and Java for email alerts, notification triggers, and background health record processing. Wrote source code in PowerShell and C# relating to network administration and in-house employee software. Integrated Apache Kafka to decouple services such as insurance verification and lab result workflows, ensuring fault-tolerant and event-driven architecture. Integrated Solr for rapid healthcare data retrieval.

• Orchestrated document upload/storage workflows using Azure Blob Storage, Logic Apps, and Azure Functions, ensuring secure handling of sensitive medical files. Utilizing Ignition software for monitoring and visualization.

• Designed and consumed JSON-based APIs for interoperability with third-party healthcare and CRM systems across diverse geographies and platforms. Applied TDD practices to backend and UI features, ensuring maintainable, bug-free code. Built robust unit and integration automation test suites using XUnit; validated UI components and forms using Karma, Jasmine, and Protractor, and SpecFlow for BDD-based automated scenarios and automated test coverage.

• Conducted comprehensive API testing with Postman and SOAP UI, verifying HTTP responses, authentication flows, and security compliance. Automated CI/CD pipelines using Azure DevOps for build, test, and deployment of microservices to Azure environments. Built mobile features with Xamarin & Swift for iOS/Android access.

• Applied AI-assisted development using GitHub Copilot with prompt engineering, RAG, and embeddings for LLM- powered data retrieval, to accelerate coding, testing, and deployment cycles.

• Enforced coding standards and static code analysis through SonarQube,integrated into Git-based PR workflows using Gitflow strategy.Designed complex stored procedures and backend logic for handling patient visits, lab values, and medical coding using T-SQL(Transact-SQL,DML,DDL). Developed SSRS reports with data quality & governance controls.

• Monitored application health using Log4Net, tracking errors, performance metrics, and audit trails for HIPAA compliance. Used Microsoft Visual Studio, VS Code, and SSMS for backend, UI, and database development and debugging tasks. Collaborated with leads to refine user stories, manage backlogs, and deliver sprint goals.

• Conducted thorough testing using JUnit, Maven, Selenium, Cucumber, and API testing with Postman and SoapUI, covering both frontend and backend components. Monitored performance using Splunk, Grafana, and Prometheus, with alerts and dashboards to improve incident response and service availability

• Actively participated in Agile ceremonies (sprint planning, retrospectives, grooming) using JIRA and Rally, collaborating with cross-functional teams for timely feature delivery. Provided production support and mentored junior developers.

• Applied security-first development practices, integrating authentication/authorization controls; leveraged GitHub Actions, JFrog Artifactory, Azure Application Insights, and Datadog for efficient builds, artifact management, and proactive performance monitoring.Utilizing Snowflake and Azure Data Lake for data warehousing and SQL optimization. Fifth Third Bank – May 2021 to July 2023

Software Developer Cincinnati, OH, USA

• Developed scalable FinTech APIs using ASP.NET Core Web API and Onion Architecture -DDD to support loan processing, KYC, and account workflows, ensuring alignment with overall business strategy.

• Built secure, role-based React.js (and Angular-compatible) front-end dashboards with Bootstrap, TypeScript, & REST API integration for payments, fund transfers, and document uploads,Salesforce/Fusion CRM systems on SaaS platforms.

• Designed dynamic, reusable UI components and implemented state management for responsive and SPA applications interactive customer portals. Worked with Blazor to develop Web pages in C# MVC View.

• Enabled asynchronous workflows using RabbitMQ and Go-based services, enhancing responsiveness of credit checks and fraud analysis. Implemented AWS Lambda, EC2, and Step Functions for serverless financial tasks,While mentoring C# developers and partnered with cross-functional teams on Golang - microservices.

• Explored GCP Vertex AI for fraud detection workflows and predictive analytics.

• Ensured code reliability with XUnit for backend testing and Karma/Jasmine and Spec Flow for React UI validation. Built CLI-based utilities for batch data processing, log analysis, improving operational efficiency.

• Conducted comprehensive API testing with Postman, Swagger UI, and SOAP UI, covering functional,regression and OpenID-based authentication scenarios. Improved CI/CD pipelines with automated build and deployment.

• Built CI/CD pipelines in AWS DevOps, automating Docker builds, test coverage, and secure deployments; documented release pipelines and coding standards in Confluence; enforced code quality using SonarQube.

• Implemented component versioning, dependency management, and compatibility testing practices to ensure reliability and interoperability of FinTech APIs across environments.

• Created complex SQL Server procedures and views for transaction history, reporting, and account management. Logged application activity with Log4Net for debugging, monitoring, and audit purposes.

• Participated in Agile development using Outlook,Word,Excel,JIRA and Confluence, collaborating with BAs and QA teams on user stories, test cases, and sprint planning. Managed Agile documentation and backlog using Jira and Confluence.

• Designed AWS cloud architecture for scalability, disaster recovery, and secure connectivity in production and DR environments. Performed troubleshooting, fixed and deployed many Python bug fixes of the main applications that were sources of data for both customers and internal customer service team.

• Developed server-side filtered reporting dashboards and integrated third-party fraud detection APIs leveraging graph/tree-based data structures and Teradata & Big data platforms(Hadoop, Spark) for automated risk workflows. Coordinated with QA automation teams using Cucumber and Citrus for BDD-based end-to-end testing.

• Experience in Software Development Life Cycle, Agile (SCRUM and KANBAN) methodologies and Waterfall model.

• Created custom UI components using HTML, CSS, and JavaScript, ensuring responsiveness, accessibility,ADA WCAG compliance. Utilized Bitbucket with Gitflow branching and code reviews to maintain stable codebases. United Airlines – Jun 2019 to May 2021

Full Stack Developer Chicago, IL, USA

• Developed modules using ASP.NET MVC, WPF (leveraging MVVM pattern),and WinForms and VB.NET along with C++ and Delphi for flight booking, seat selection, itinerary management, and real-time modifications via customer portal.

• Designed SOAP web services to integrate with loyalty programs, hotel systems, and international booking platforms. Built backend logic using ADO.NET and SQL Server and Oracle, Java components for fare rules, booking transactions, and flight availability, leveraging protocols across the TCP/IP model including HTTP, HTTPS, and TCP/UDP. Applied ML for flight scheduling, pricing insights, and NLP-based customer request routing.

• Applied SOLID principles and reusable software mechanisms to improve maintainability and scalability.

• Enhanced analytics by integrating Power BI dashboards with AI-based insights for customer demand prediction. Collaborated with enterprise teams on packaged AI solutions for flight scheduling and dynamic pricing.

• Handled XML-based messaging for ticket reissuance, schedule changes, and customer notifications with XSD schema validation. Supported internal documentation workflows in SharePoint. Created responsive UIs with ASP.NET MVC, HTML, CSS, JavaScript, Bootstrap, and Ajax and cookies/session handling for booking flows and profile management.

• Implemented stored procedures, triggers, and dynamic SQL reports, along with ERP-integrated services and GOLang- based concurrent services for ticketing workflows, refund processing, and loyalty point tracking.

• Supported BI teams in extending reporting with SSAS, Power BI, and Tableau.Assess Alteryx,Thoughtspot for reporting.

• Integrated internal WinForms and C++ used by gate agents and call centers for overrides, upgrades, and refunds. Wrote backend tests with XUnit, validating business logic, input validation, and exception handling.

• Logged key application events and exceptions using Log4Net for operational visibility and audit readiness.

• Participated in Waterfall SDLC, collaborating with stakeholders for requirements, design, and testing approvals. Performed SOAP UI testing, regression validation, and batch uploads for fare/schedule updates; delivered localized UI using regional settings, language packs, and zone-specific pricing rules.

• Ensured IATA compliance and data privacy via audit logs, data masking, and secure transmission; supported releases, hotfixes, rollback strategies, and documentation. Led client interactions ensuring end-to-end delivery. EDUCATION

Master’s in Computer Science and Information Sciences The University of Texas at Arlington – Majored in AI & Software Engineering

Contact this candidate