.Net Core Stack Developer
Resume:
SUJITH MANNE
*************@*****.*** LinkedIn 469-***-****
PROFESSIONAL SUMMARY
Results-driven .NET Full Stack Developer with 5+ years of experience designing and deploying enterprise applications across healthcare, finance, and e-commerce. Expertise in building HIPAA-compliant APIs and cloud-native microservices with .NET Core, React, Angular, Azure, and AWS, supporting 1M+ patient/financial records and processing 10K+ real-time messages per hour. Proven track record of boosting application performance by up to 40%, improving system uptime by 30%, and accelerating feature delivery by 20% through optimized DevOps pipelines. Recognized for mentoring teams, leading code reviews, and delivering 95% of sprint commitments on time while aligning technical solutions with business goals.
TECHNICAL SKILLS
Languages:
C#, SQL, JavaScript, TypeScript, Java, Python, PowerShell
Frameworks:
.NET Core, ASP.NET MVC, ASP.NET Core, ASP.NET Web API, Entity Framework,
Frontend:
React, Angular, HTML, CSS, Bootstrap, JSON, Vue, Kendo UI
Database Technology:
SQL Server (SSRS, SSMS), PostgreSQL, MySQL, NoSQL, MongoDB, Cosmos DB
Cloud Platforms:
Azure (App Services, Azure SQL, Service Bus, AKS), AWS (S3, Lambda, ECS, EKS)
API Development:
RESTful APIs, SOAP, Graph QL, OAuth 2.0, JWT, OpenID Connect, Swagger
Testing &Debugging:
NUnit, xUnit, Moq, Postman, Visual Studio Explorer, Selenium
DevOps & CI/CD:
Azure DevOps, Jenkins, Docker, Kubernetes, Git, Terraform, GitHub
Monitoring & Logging:
Azure Monitor, App Insights, AWS CloudWatch, Grafana, Open Telemetry
Methodologies & Frameworks:
Agile, TDD, SOLID, Design Patterns, RabbitMQ, Kafka, Windows, Linux, MacOS
PROFESSIONAL EXPERIENCE
Pfizer, New York, NY Mar 2024 – Present
.NET Full Stack Developer
Designed and delivered .NET Core and ASP.NET MVC healthcare applications using Clean Architecture, simplifying deployment of clinical apps and improving maintainability across regulated environments.
Built HIPAA-compliant REST/SOAP APIs with OpenID Connect and OAuth 2.0, safeguarding 100K+ electronic health records (EHRs) and ensuring secure, compliant data exchange between providers and systems.
Partnered with clinicians and UI teams to create responsive tools with React, Angular and Power BI dashboards, enabling real-time analytics for healthcare staff while maintaining legacy Vue components.
Optimized SQL Server, PostgreSQL, and MySQL queries, including stored procedures, and integrated MongoDB and Redis, reducing execution time by 20% and accelerating access to research data via SSRS dashboards.
Enhanced Entity Framework and LINQ to reduce query time on large patient datasets.
Developed and consumed XML services; applied XSLT transformations to exchange EHR data across systems using HL7/FHIR standards.
Utilized Visual Studio, Postman, and Swagger for robust API development, debugging and testing.
Applied TDD practices with Nunit and xUnit, ensuring reliable releases of clinical modules and minimizing risks.
Designed asynchronous, event-driven messaging systems with Kafka and Azure Service Bus, processing 10K+ healthcare messages/hours to enable real-time alerts and record updates.
Deployed and managed healthcare apps in Azure (App Services, Key Vault, Data Factory, Functions, SQL, AD, Blob Storage) and IIS, improving uptime for patient-critical services and securing sensitive health data.
Established CI/CD pipelines with Azure DevOps, Jenkins, GitHub Actions, Docker, and Terraform streamlining feature delivery to cloud-hosted clinical applications.
Developed .NET Core apps using OOP, SOLID, MVC and DI, ensuring HIPAA compliance and improving security.
Monitored performance using ELK, Application Insights, Log Analytics, and automated scripts with Python, boosting API performance and reducing downtime for clinician-facing apps.
Collaborated in Agile teams with QA, clinical stakeholders, and solution architects, ensuring that technical specifications aligned with healthcare regulations and patient safety standards.
TD Bank, Hyderabad, India Dec 2020 – Dec 2022
.NET Developer
Modernized ASP.NET MVC applications by migrating to .NET Core, which increased application performance, reduced technical debt, and cut maintenance effort by 20%.
Developed SPAs with React and Angular, maintained Vue components, boosting front-end responsiveness by 15% and incorporating Power BI dashboards for real-time financial analytics.
Secured financial REST and SOAP APIs with OAuth 2.0 and JWT in alignment with PCI DSS standards, reducing unauthorized access incidents by 25%.
Optimized SQL Server, PostgreSQL, and MySQL transactions and integrated MongoDB, Redis, and SSRS, accelerating data access and financial reporting modules by 30%.
Implemented business logic and optimized database workflows via Entity Framework and LINQ.
Debugged and resolved critical issues in .NET applications using Visual Studio Debugger and implementing automated testing with NUnit and xUnit.
Documented and tested APIs with Swagger and Postman; automated monitoring and log analysis using Python scripts with ELK and Application Insights, reducing incident response times by 50%.
Implemented Azure Service Bus and Kafka with durable queues and retry policies, enabling reliable, scalable asynchronous messaging.
Deployed applications to Azure using App Services, Key Vault, Functions, Logic Apps, Data Factory, SQL, Active Directory, and Blob Storage, ensuring high availability for financial services.
Maintained CI/CD pipelines with Docker, Azure DevOps, GitHub Actions, Jenkins, Terraform and deployed to Azure Kubernetes Service (AKS), accelerating feature delivery by 20%.
Implemented SOLID principles, DDD, OOP, MVC, MVVM and Dependency Injection to build scalable, maintainable services, improving code quality and reducing defects during feature releases.
Mentored junior developers, led code reviews, and contributed to sprint planning, helping the team work more efficiently and collaboratively.
Chewy, Bengaluru, India Jan 2019 – Dec 2020 .NET Developer
Built and supported .NET Core microservices and ASP.NET MVC applications, deploying on IIS to power real-time order processing and inventory management, helping the team process 10% more orders per day.
Designed and secured REST/SOAP APIs using ASP.NET Core Web API, OAuth 2.0, and JWT so customer orders and product catalogs ran reliably, reducing failed API calls by 12%.
Improved the shopping experience by enhancing checkout, cart, and product browsing with React.js (Hooks, Redux), and Legacy Vue.js, which sped up search and checkout flows by 10%.
Helped the backend scale by designing SQL Server schemas, integrating MongoDB and Elasticsearch, and leveraging SSRS for query optimization and database management, cutting query latency by 15%.
Developed data access layers with Entity Framework and LINQ, improving query efficiency across modules.
Built xUnit and Moq test suites to improve order flow reliability and reduce production issues.
Applied SOLID, DDD, OOP, MVVM and Dependency Injection to build maintainable, scalable microservices.
Built asynchronous, event-driven microservices using Kafka and AWS SQS to support real-time order processing and inventory updates, improving scalability and system reliability.
Implemented DevOps CI/CD pipelines using GitHub Actions, Jenkins, Terraform, Docker, ECS, and EKS, automating builds, tests, and deployments for high-volume microservices.
Assisted with AWS deployments (EC2, SNS, S3, IAM, RDS), ensuring Chewy’s e-commerce services maintained high availability during seasonal demand spikes.
Developed event-driven workflows using Lambda, API Gateway, Python, and DynamoDB to process payment-clearing data in real time, cutting operational costs by 20%.
Collaborated with a 7-member Agile team, actively participating in sprint planning, standups, and code reviews, helping us deliver features on time across 95% of sprints.
EDUCATION
Master of Science in Computer Science Jan 2023 – Dec 2024
Alcorn State University GPA: 3.9/4.0 Lorman, MS
CERTIFICATIONS
AWS Certified: AWS Solutions Architect – Associate
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