Summary
Overview
Work History
Skills
Timeline
Generic

MANTHINA SAI VAMSI

Summary

Dynamic Full Stack Developer with extensive experience at Fidelity Investments, excelling in ASP.NET Core and RESTful API development. Proven ability to enhance application performance and user engagement through innovative solutions. Adept at collaborating in Agile teams, leveraging strong problem-solving skills to deliver high-quality software solutions. Passionate about driving impactful results in fast-paced environments.

Overview

12
12
years of professional experience

Work History

Net Full Stack Developer

State of Oregon
07.2023 - Current
  • Deliver highest quality code within the planned sprints with minimum defects
  • End to end development and deployment of the WCF service and web application to all environments including production
  • Enables users to access benefit details, claims status, and financial information directly through the mobile platform​
  • Provides users with a digital insurance ID card that can be easily emailed or faxed to healthcare providers
  • Includes a "Find-A-Doc" feature, allowing users to search for nearby urgent care centers, hospitals, and healthcare providers based on plan and location​
  • Allows users to check copay, deductible status, and service limits for medical, dental, and pharmacy benefits​
  • Managed Azure DevOps and implemented pipelines for mobile app deployments which are built on Xamarin
  • Created and integrated the environments with Jira and confluence for the organization on Linux and windows environments
  • Extensive experience with like Web Services, IIS 6.0, 7, Fiddler and Web API
  • Architecting Azure Web Apps for scalability and performance by deploying to multiple regions for high availability in different App Service plans
  • Implemented Azure Storage, Azure SQL Azure Services and developing Azure Web role
  • Provided high availability for IaaS VMs and PaaS role instances for access from other services with Azure Internal Load Balancer
  • Used Azure DevOps
  • Major features repos, board, CICD pipelines and Artifacts
  • Involved in post-migration analysis of logs, target environment, and source environment to ensure clients desired results; customized & ran SQL query to analyze migration log results
  • Designed user interface for application using ASP.NET MVC, JavaScript, jQuery, AngularJS, HTML, CSS, and implemented business logic using C# .NET
  • Skilled in installing, configuring, and maintaining IIS and application servers, with strong focus on security and user access control
  • Proficient in ASP.NET, C#, .NET 5+, and Visual Studio for enterprise-level development
  • Hands-on experience with Microsoft Azure and AWS, including PaaS, IaaS, and SaaS solutions
  • Familiar with CI/CD, Git, Docker, Kubernetes, and IAC tools like Terraform and Ansible for automated cloud infrastructure
  • Developed Honey pot field and zip code validation for contact us page using HTML, CSS, JavaScript and Vanilla JavaScript
  • Mobile app team by involving backend service creations to Xamarin platform implementations
  • Worked on JavaScript framework (BackboneJS and NodeJS) to augment browser based applications with MVC capability
  • Developed user interface by using the React JS, Flux for SPA development
  • Installation of NoSQL MongoDB on physical machines, Virtual machines as well as AWS
  • Implemented client-side Interface using React JS
  • Build stable React components and stand-alone functions to be added to any future pages
  • Experience in developing and consuming RESTful web service using Web API
  • Worked on creating tables, views, triggers, sequences, constraints, Stored Procedures, Functions, and Packages using SQL, and PL/SQL based on the documented user requirements
  • Developed ASP.NET pages to submit, track and approve the Workflow requests
  • Provide design and architectural support for the applications in the team and to other teams
  • Perform code review, database and component design reviews
  • Working knowledge in design, development of User Interface (UI) and implementing client-side HTML, CSS, Java Script, jQuery, Angular JS 2
  • Modern and faster browsers are supported by component based Angular 2.0 development
  • Designed the web UI using MVC Razor Engine, HTML5, XSL/XSLT, JavaScript, CSS, Telerik ASP
  • Used TDD Architecture, which relies on the repetition of a very short development cycle
  • Responsible for fine tuning the Stored procedures and SQL Queries that have been found expensive in the load testing conducted for the releases
  • Written unit tests for Business and Service Layers using Nunit testing framework
  • Written and performed test cases using NUnit, TSS (test support system) tool to implement Test driven development
  • Involved in developing modules using latest technologies ASP.NET MVC 6.0 with Razor View Engine, HTML helpers, CSS
  • Implemented Agile Scrum best practice with the team and coordinating with Developers, QA team, management and Business in a timely manner
  • Developed system services SOA application platform for use by all web applications utilizing WCF services (web services) and the ASP.Net provider model
  • Performed unit testing on every new version before sending it for User Acceptance Test
  • Used SQL Server Integration Services (SSIS) for extraction transformation and loading data and scheduled SSIS Packages daily and weekly Basis
  • Performed unit testing, integration testing and regression testing by applying test cases for applications and for SSIS
  • The projects adhere to the Agile Scrum, create project backlogs, decide timelines, assign functionality to individual team members, resolve dependency bottlenecks in sprint meetings
  • ENVIRONMENT: ASP .NET MVC, C#, .NET 4.0, WCF SERVICE, ADO .NET, SQL SERVER 2014
  • NET FRAMEWORK 4.5.2, VISUAL STUDIO 2012/2015, WPF, XSD, XAML, DYNAMODB, ADO.NET, T-SQL, WIN FORMS, NHIBERNATE 4, MODERNIZER, VB.NET, WSDL, ENTITY FRAMEWORK 6, TORTOISE SVN, AGILE SCRUM
  • BIZTALK, HTML, CSS, JAVASCRIPT, SELENIUM.

Net Full Stack Developer

California Water Services
09.2021 - 06.2023
  • Interacted with the client end-users during requirements gathering sessions
  • Used Design Patterns for maintaining relationships between classes and objects with defined responsibilities
  • Participating in AGILE environment with daily scrums, backlog grooming, sprint retrospectives, and sprint planning meetings
  • Developed RESTful APIs using .NET Core to integrate mobile applications with T-Mobile's backend services, ensuring seamless data exchange between mobile apps and the core systems
  • Implemented OAuth 2.0 authentication for mobile applications to secure user sessions and transactions, ensuring compliance with T-Mobile's security standards
  • Integrated third-party services such as payment gateways and location services into T-Mobile’s mobile apps using .NET web services, enhancing app functionality
  • Optimized API performance by leveraging caching mechanisms (Redis) and database indexing, reducing response times for mobile app requests
  • Developed microservices architecture using .NET for modular integration with T-Mobile’s CRM systems, improving the agility and scalability of the mobile app ecosystem
  • Implemented push notifications using Azure Notification Hub, integrated into the T-Mobile mobile app for real-time updates and alerts
  • Developed in-app messaging capabilities by integrating .NET back-end services with T-Mobile’s communication systems, improving customer engagement
  • Deployed and managed mobile app services using Azure Kubernetes Service (AKS), ensuring automated scaling and load balancing for mobile users
  • Worked on continuous integration and delivery (CI/CD) pipelines for mobile apps using Azure DevOps, automating testing, and deployment to production environments
  • Extensive use of Azure Event Hub and Azure IOT device in Distributed Environment
  • Develop Microservices using ASP.Net Core
  • Extensive use of Network Information Security techniques such as Data Hashing and Encoding
  • Create Cache Memory on Windows Azure to improve the performance of data transfer on SQL Azure
  • Worker Roles in Azure and Implement the communication between them using Azure Service Bus Queues
  • Used ReactJs to build user interfaces for single-page applications
  • Used various bootstrap components like accordion, date picker, time picker, alert, buttons, modal, and react-bootstrap components
  • Designed and implemented the application using MicroService Architecture for its various distinct advantages
  • Like loose coupling and design patterns
  • Concepts of ReactJs worked om usage metrics and end to end events tracing for analysis purpose
  • Creating and Managing Virtual Machines in Windows and setting up communication with the help of Endpoints
  • Design Web Roles and Worker Roles in Azure and Implement the communication between them using Service Bus Queues
  • Design and Implement WCF services layer hosted on IIS and published the same on Azure
  • Used C# code to store data and logs on Azure Blobs, Table Storage and used Azure Storage Explorer as a standalone app to inspect and alter the data so stored on Azure Blobs and Table Storage
  • Used C# code to store logs in Database during Web API development
  • Used Extensively ADO.net to connect to SQL Database and performed operation on SQL Server 2012
  • Creating Azure Load Balancers (Internal and Internet facing) for disaster recovery
  • Using GIT as Code Repository
  • ENVIRONMENT: ASP .NET MVC, C#, .NET 4.0, WCF SERVICE, ADO .NET, SQL SERVER 2014
  • NET FRAMEWORK 4.5.2, VISUAL STUDIO 2012/2015, WPF, XSD, XAML, DYNAMODB, ADO.NET, T-SQL, WIN FORMS, NHIBERNATE 4, MODERNIZER, VB.NET, WSDL, ENTITY FRAMEWORK 6, ORACLE SQL DEVELOPER 4, ORACLE CLIENT 12C, FIDDLER WEB DEBUGGER.

Net Full Stack Developer

Fidelity Investments
Philadelphia, PA
04.2019 - 08.2021
  • Developed a web application for the banking client utilizing React, ASP.NET MVC, Entity Framework, HTML, CSS, Bootstrap, JavaScript, and AJAX to craft user-friendly interfaces and streamline banking operations
  • Used MVC architectural pattern for developing views, controllers and models using ASP.NET MVC, Razor, Data Access layer as Entity Framework, Service layer as ASP.NET Web API and used C#.NET for construction of business logic for developing various abstract classes, interfaces
  • Utilized Test-Driven Development (TDD) in the banking project to ensure robust, reliable software aligned with business requirements from the onset, enhancing system stability
  • Developed various Data Service classes to connect and manipulate data using ADO.NET, VB.Net, and using Dependency Injection (Setter Injection) in exceptional cases
  • Designed, deployed, and maintained containerized applications on Amazon ECS using Docker and AWS Fargate
  • Skilled in utilizing AWS SDKs and CLI for seamless interaction with AWS services, enabling efficient deployment and management of cloud resources
  • Implemented changes to Crystal Reports within ASP.NET, verified neighborhood data, and developed dynamic UI components using TypeScript services for internal data tool applications in React
  • Developed Dynamics UI design pages, style, fields, controlled by user admits, implement React forms, worked on the creating different screens using ExtJS
  • Designed and implemented serverless microservices using AWS Lambda and API Gateway, resulting in significant cost savings and improved scalability
  • Proficient in deploying and managing .NET applications on AWS ECS (Elastic Container Service), demonstrating expertise in containerization and scalable application deployment within the AWS cloud infrastructure
  • Used AWS Lambda and API Gateway, to build scalable and cost-efficient applications
  • Followed Agile methodology, updating daily work tasks to Manager and team with updates on techs and social
  • Implemented data storage solutions using AWS services, including S3, RDS, and DynamoDB, and designed scalable and fault-tolerant data architectures
  • Developed & extended existing MVC applications and for the UI used jQuery, Bootstrap, also used jQuery to call Restful service and Experience in building and using Public Facing APIs
  • ENVIRONMENT: REACT, ASP.NET MVC, ENTITY FRAMEWORK, HTML, CSS, BOOTSTRAP, JAVASCRIPT, AJAX, RAZOR, ADO.NET, VB.NET, DEPENDENCY INJECTION (SETTER INJECTION), SQL SERVER, PROMETHEUS, TEST-DRIVEN DEVELOPMENT (TDD), AWS SDKS, AWS ECS (ELASTIC CONTAINER SERVICE), CRYSTAL REPORTS, EXTJS, DOCKER, SERVICE, AWS LAMBDA, AWS CLOUD SERVICE.

Net Developer

Tag Info Solutions
, India
09.2014 - 11.2017
  • Involved in the SDLC phase of requirement analysis, design, and development of the web based internet application tool using MVC modeling
  • Responsible for developing Application using ASP.NET MVC 4.0 and C#
  • Graphical User Interface (GUI) was designed using ASP.Net and the business logic was coded in C#
  • Developed 3-Tier Application Architecture to ensure flexible and reusability of the application
  • Developed various web services using WCF which can be consumed by web applications and other systems
  • Used Session Objects, Cookies to store the application state
  • Created the controller actions, filters and routing using MVC architecture
  • Prepared various test cases to fix the bugs and ensure the application is error-free
  • Implemented the web application using MVC framework
  • Used .Net Framework class library to build User Interface (UI) that separated application logic from presentation code using code behind pages
  • Used Windows Communication Foundation (WCF) for multiple services to interact with the application for the clients
  • Developed XML Web Services using C#, ASP.Net, ADO.Net, SOAP, XML, XSLT, WSDL, and UDDI for exposing the functionalities of the enterprise business components at the Business Layer
  • Used XML to transport and store data
  • Developed core functionality with the ASP.Net MVC Framework
  • Used AJAX to create better, faster and more user-friendly web applications
  • Created ASP.Net validation controls and JavaScript validations to enforce validations
  • Consumed internal web services and hands on experience with XML features to transfer data between the applications and database Engines
  • Used a reusable web user control to display customer’s account number and name on every web form that he /she visits
  • Extensive use of web services and web methods
  • Developed web applications using REST API supported by Web API
  • ADO.Net was used to implement the data layer to communicate with the SQL Server 2008
  • Used ADO.Net components like Grid View, Data Adapter, Datareader and DataSet to retrieve, display data
  • Developed stored procedures, Views and automated SQL, T-SQL scripts for database maintenance, deployment and installation
  • Used Team Foundation Server (TFS) as a Source code control
  • Environment: .Net 4.5, C#.Net, SQL Server 2008, SQL Server Management Studio (SSMS), ADO.Net, LINQ, WCF, Web API, XML, HTML5, CSS3, JavaScript, IIS 8.0, SOA, T-SQL, TFS, MVC, Visual Studio 2010/2012, Windows Server 2008
  • Client: Augusta hitech soft solutions

UI / Angular Developer

06.2013 - 08.2014
  • Developed the User Interface using HTML 5, CSS, JavaScript, jQuery, AngularJS and AJAX
  • Responsible for design and development of the web pages from mock- ups
  • Designed dynamic and multi-browser compatible pages using HTML5, CSS3 and JavaScript
  • Programmed and maintained application code with HTML and Coffee Script
  • Worked on less and Sass CSS and bootstrap to make it responsive
  • Worked on MVC framework like AngularJS as the development framework to build single page applications
  • Tested all application controllers extensively with mocha/chai and Angular built in test facilities
  • Wrote application level code to interact with the backend databases Ajax and JSON
  • Designed and Developed Java Script framework which is wrapper on top of JQUERY framework and AJAX based UI framework for UI Configuration widgets
  • Developed rich interactive graphics and data visualizations of large structured data in browser-friendly formats
  • Applied jQuery scripts for basic animation and end user screen customization purposes
  • Built Web pages that are more user-interactive using jQuery plugins for Drag and Drop, jQXValidator, AutoComplete, Ajax, JSON, Angulars.JS and JavaScript, Bootstrap
  • Used Ajax and JSON to make asynchronous calls to the project server to fetch data on the fly
  • Worked on build tools like grunt and gulp
  • Web application development for backend system using AngularJS and Node.js with cutting edge
  • Developing XML classes for loading the data from XML files deployed at the server
  • Involved with bug fixing on functionality, performance and designing issues with JavaScript and jQuery
  • Environment: HTML, HTML5, CSS3, Ajax, JSON, JavaScript, jQuery, Angular.js, node.js, Bootstrap, less CSS, sass, CSS, Backbone.js, grunt, gulp, GIT, JIRA.

Skills

Languages & Frameworks
  • C#, VBNET, ASPNET (Web Forms & MVC)
  • ASPNET Core, NET 6/5/Framework 4x
  • Razor Pages, Blazor
  • JavaScript, TypeScript, HTML5, CSS3
  • Angular, React, jQuery, Bootstrap
Backend & Web Technologies
  • RESTful APIs, Web API, WCF
  • Entity Framework (Code First & Database First), Dapper
  • LINQ, ADONET
  • SignalR for real-time communication
Database Technologies
  • SQL Server (T-SQL, Stored Procedures, Triggers, Views)
  • PostgreSQL, MySQL, Oracle
  • SSIS, SSRS, SQL Profiler, Query Optimization
Cloud & DevOps
  • Microsoft Azure (App Services, Azure Functions, Blob Storage)
  • AWS (EC2, RDS, Lambda) – if applicable
  • Azure DevOps, GitHub Actions, Jenkins
  • CI/CD Pipelines, YAML configuration
  • Docker, Kubernetes (basics or more if used)
Testing & Debugging
  • xUnit, NUnit, MSTest
  • Moq, FluentAssertions
  • Postman, Swagger
  • Visual Studio Profiler, Fiddler, Application Insights
Tools & Platforms
  • Visual Studio, Visual Studio Code
  • Git, TFS, SVN
  • Jira, Azure Boards, Confluence
  • PowerShell scripting
Design Patterns & Architecture
  • SOLID Principles, Clean Architecture
  • Microservices, Monolith to Microservices migration
  • CQRS, Repository & Unit of Work Patterns
  • Dependency Injection, Middleware Pipeline
Methodologies
  • Agile (Scrum/Kanban), Waterfall
  • Test-Driven Development (TDD), Behavior-Driven Development (BDD)
  • Continuous Integration & Deployment

Timeline

Net Full Stack Developer

State of Oregon
07.2023 - Current

Net Full Stack Developer

California Water Services
09.2021 - 06.2023

Net Full Stack Developer

Fidelity Investments
04.2019 - 08.2021

Net Developer

Tag Info Solutions
09.2014 - 11.2017

UI / Angular Developer

06.2013 - 08.2014

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MANTHINA SAI VAMSI