Bala Kiran Vallambhotla

Architected and delivered a multi-region serverless chat platform for flight operations using AWS, including REST and WebSocket backends behind an API gateway. Designed an event-driven pipeline with DynamoDB Global Tables, SNS/SQS, and streaming consumers for resilient real-time messaging. Led Angular SPA modernization with a component-driven and micro-frontend approach, while defining frontend engineering standards, secure UI patterns, and observability workflows.

Contributed to and modernized Angular-based enterprise applications for trade and asset servicing workflows, including upgrading Angular versions and standardizing a reusable component library. Implemented structured state management using NgRx/NGXS patterns and improved UI performance via lazy loading and change detection tuning. Supported backend event-driven features using Node.js with AWS Lambda and designed real-time integrations involving REST and WebSockets with GraphQL and DynamoDB models.

Led delivery of data integration and UI features for internal Komatsu applications, focusing on reliable aggregation of inconsistent source data into unified downstream systems. Developed Angular 12 interfaces with custom route guards and performance tuning, and mentored junior engineers on Angular best practices. Built and coordinated microservices and REST APIs using Node.js and .NET, reacting to Cosmos DB changes and maintaining test coverage with XUnit.

Designed and implemented a unified school management system using clean architecture, developing microservices and REST APIs with .NET (5/6) and serverless background jobs. Built user interfaces with Angular and React, creating reusable Angular components and integrating UI frameworks. Implemented real-time updates via SignalR, improved database performance with SQL Server tuning, and enforced TDD with XUnit while leading teams and code quality reviews.

Built and enhanced Vertafore agency platform applications, developing interactive pages and REST APIs using C# with ASP.NET MVC, Entity Framework, and SQL Server. Delivered rich client experiences with AngularJS, AJAX, JavaScript/TypeScript, and integrated real-time capabilities using SignalR. Containerized services with Docker, created build/integration automation using MS Build and Jenkins/TFS, and authored design documentation and review processes to keep changes low-risk.

Designed and maintained a front-end UI framework used across multiple Vertafore products, building responsive interfaces with HTML5, Bootstrap, JavaScript, and AngularJS-era patterns. Developed reusable framework components and REST/microservice integrations, including database access via Entity Framework and SQL Server reporting. Managed library releases, implemented Docker-based workflows for testing, and contributed to CI practices using Jenkins and TDD with Jasmine.

Developed teller image capture automation solutions by implementing backend services and business logic with C#, Delphi, and JavaScript/TypeScript. Created user interfaces using AngularJS and Bootstrap-based components, and integrated client/server communication through REST services and SignalR. Supported quality by adding integration tests and establishing test execution and coverage workflows with CI tooling such as TFS and gated check-ins.

Implemented modules for an e-governance platform providing online services for investors, using a 3-tier architecture with C# and ASP.NET server-side components. Built client-side interactions with JavaScript and jQuery, and developed business logic and data access layers using ADO.NET patterns. Participated in unit testing and TDD setup with MSTest, and supported production development through Agile sprints and reporting using SSRS.