Senior .NET Architect & Cloud Native Developer

Vaibhavi Gosai

Software Developer .Net Developer

315-***-**** ***************@*****.*** https://www.linkedin.com/in/vaibhavi-gosai/ Work Authorization: Green Card SUMMARY

• Senior.NET Developer with over 5 years of expertise in architecting and deploying high-performance enterprise applications for global leaders in the healthcare and financial technology sectors.

• Expert in the.NET 10 ecosystem, including C# 14, ASP.NET Core, and Minimal APIs, with a proven track record of modernizing legacy.NET Framework monolithic systems into scalable, cloud-native microservices.

• Deep domain proficiency in healthcare interoperability (FHIR R4, HL7 v2) and financial risk management, delivering secure, secure-by-design solutions that comply with HIPAA and global financial regulatory standards.

• Proven ability to orchestrate complex cloud deployments on Oracle Cloud Infrastructure (OCI), Azure (AKS), and AWS, leveraging CI/CD platforms like Harness and Lightspeed to improve application migration and delivery speed by up to 70%.

• Leader in AI-first engineering, utilizing AI-assisted tools such as GitHub Copilot and Devin.AI to double development velocity while maintaining high code reliability through Test-Driven Development (TDD) and automated testing.

• Master of Science in Computer and information Science from Syracuse University with a robust technical foundation in distributed systems and a commitment to driving business value through architectural innovation. SKILLS

• Methodologies: SDLC, Agile (Scrum/Kanban), DevOps, Test-Driven Development (TDD), Microservices Architecture, Domain-Driven Design (DDD).

• Programming Languages: C# 14, SQL (T-SQL, PL/SQL), TypeScript, JavaScript (ES6+), Python, Java.

• Frameworks & Libraries: .NET 10, .NET Core 8+, ASP.NET Core, Minimal APIs, .NET Aspire, Entity Framework Core, LINQ, React.js, Angular, Blazor.

• Cloud & Containerization: Oracle Cloud Infrastructure (OCI), Microsoft Azure (AKS), AWS (Lambda, S3), Docker, Kubernetes, OpenShift.

• AI-Assisted Development: GitHub Copilot, Devin.AI, Claude Code, AI-assisted automated testing, Prompt Engineering.

• DevOps & CI/CD Tools: GitHub Enterprise, Jenkins, Azure DevOps, Bitbucket, Git-BASH.

• Databases & Persistence: MS SQL Server (2016/2019), Oracle 19c, PostgreSQL, NoSQL, Redis Caching, Snowflake.

• Healthcare & Finance Domain Tech: FHIR R4, HL7 v2 (COI), SMART on FHIR, OAuth2/OIDC, SAML, Cerner Millennium/Ignite APIs, Fraud & Risk Processing Systems, Powerchart, RevenueCycle

• Testing & Observability: xUnit, NUnit, Selenium, Postman, OpenTelemetry, Serilog, Prometheus/Grafana.

• Tools & Collaboration: Visual Studio 2022/2026, VS Code, Jira, ServiceNow, RLM, CyberArk, Confluence. WORK EXPERIENCE

Citi Bank .NET Developer (Remote) USA July 2025 – Present

• Spearheading the architectural modernization of high-stakes financial platforms from legacy.NET Framework 4.7 to .NET 10 and C# 14, leveraging Native AOT to reduce memory footprints and optimize cold-start performance for critical trading services.

• Architecting and maintaining microservices-based fraud detection applications using.NET Core and Kafka, designed to process high-volume real-time transaction data with sub-second latency in a strictly regulated banking environment.

• Automating end-to-end CI/CD pipelines by migrating legacy Jenkins jobs to Lightspeed, Harness, and Tekton, reducing application deployment time from seven weeks to two weeks while maintaining 100% compliance with Citi's SDLC standards.

• Optimizing complex database schemas and stored procedures in MS SQL Server and Oracle 19c to support high-velocity cash management and liquidity workflows, ensuring data consistency across global markets.

• Integrating AI-assisted coding tools like GitHub Copilot and Devin.AI into the development lifecycle to accelerate feature delivery by 40% while upholding high code quality through TDD and peer reviews.

• Collaborating with global architects to assess risk and control issues, ensuring all software designs adhere to the corporate architecture blueprint and global financial security regulations. Oracle Health Software Developer Kansas City, MO March 2020 – June 2025

• Architected and optimized complex SQL queries and backend services, improving data retrieval performance by 30% while ensuring high data integrity across enterprise healthcare systems.

• Designed and developed scalable, secure RESTful APIs and microservices using Java, Spring Boot, C#/.NET Core, and SQL Server, enabling seamless integration across distributed applications.

• Led end-to-end deployment cycles in containerized environments (Docker, Kubernetes) with CI/CD pipelines, reducing production downtime by 20% and improving release efficiency.

• Diagnosed and resolved 50+ critical production issues (Tier 3/4), performing root cause analysis and deploying rapid fixes to maintain system reliability and 99.9% uptime.

• Built and integrated responsive front-end applications using React and JavaScript, enhancing user experience and improving application performance for internal users.

• Contributed to cloud modernization initiatives by supporting migration and development on Oracle Cloud Infrastructure

(OCI), improving scalability and system resilience.

• Collaborated in Agile Scrum teams, conducted code reviews, and mentored junior developers while contributing to technical documentation and exploring AI/ML and Generative AI (LLMs) use cases in healthcare systems. EDUCATION

Master of Science in Computer and information Science Jan 2018 – Dec 2019 Syracuse University, NY

Bachelor of Engineering in Computer Engineering Aug 2013 – May 2017 Gujarat Technological University

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