Available for Architecture Consulting

Vigneshwar S
Balakrishnan

Technical Architect · Principal Information Systems Engineer

Dallas, Texas, USA|Mr. Cooper

12+ years architecting and delivering high-scale full-stack solutions across fintech and enterprise. I design event-driven microservices, cloud-native platforms, and developer experiences that power millions of users.

View My WorkGet In Touch

12+

Years Experience

5M+

Loans Governed

40+

Microservices Migrated

Vigneshwar S Balakrishnan
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About Me

Turning complexity into
elegant systems

I'm Vigneshwar Balakrishnan, a Full Stack Technical Architect with over 12 years of experience building and scaling enterprise-grade web applications.

Currently serving as Principal Information Systems Engineer at Mr. Cooper — America's #1 non-banking home loan servicer — in Dallas, Texas, where I architect and lead high-impact digital transformation initiatives.

My expertise spans the full delivery lifecycle: from whiteboarding distributed system designs to shipping production-ready features with React, Node.js, and cloud-native tooling. I've led critical fintech products — including pandemic forbearance solutions and customer self-service platforms — that directly serve hundreds of thousands of homeowners across the US.

I'm passionate about clean code, event-driven architecture, and empowering teams to build with confidence.

LinkedIn →GitHub →

Architecture First

Designing scalable, event-driven microservices architectures for fintech platforms serving millions of customers.

Full Stack Depth

End-to-end ownership from React UIs and Node.js APIs to cloud infrastructure on Azure and Google Cloud.

Performance at Scale

Optimizing high-traffic applications with Redis caching, Kubernetes orchestration, and distributed systems.

Technical Leadership

Leading cross-functional engineering teams, driving design reviews, and mentoring developers across the stack.

Career Journey

Experience & Education

Technical Architect — Principal Information Systems Engineer

Jul 2018 – Present

Mr. Cooper (Nationstar Mortgage Services)

Dallas, Texas, USA

  • Serve as Technical Architect and Principal Information Systems Engineer at America's #1 non-banking home loan servicer.
  • Architected and executed a zero-downtime migration of on-premises DB servers and 40 microservices to the cloud — designed the full phased strategy and led end-to-end execution.
  • Designed and implemented an enterprise-scale OAuth 2.0 APIM gateway using Apigee, securing API access across 5M+ loans with org-wide authentication standards.
  • Led the successful Rocket Mortgage integration — designed API contracts, data mapping, and orchestration workflows between two of the largest US mortgage platforms.
  • Architected and launched multi-brand white-label mortgage servicing websites on a shared multi-tenant platform.
  • Spearheaded Forbearance, Payments Solutions, Digital Home Advisor, and One-Time Links as Technical Lead before transitioning to architect role.
ReactNode.jsApigeeOAuth 2.0AzureKubernetesDockerMicroservicesGCPRedis

Analyst — Full Stack Engineer

May 2017 – Jun 2018

Verizon Data Services India

Chennai, India

  • Designated Full Stack Engineer for the Integrations Operations Portal — a real-time network monitoring system providing a single pane of glass for network engineers.
  • Developed interactive UI and REST services with real-time event scheduling using Socket.IO and RabbitMQ.
ReactNode.jsSocket.IORabbitMQExpress.js

Project Engineer — Full Stack Developer

Sep 2014 – Apr 2017

Wipro Digital

Bangalore, India

  • Engineered a reusable frontend component library for Lloyds Banking Group, one of the UK's largest banks.
  • Full-stack developer on Quizart, an internal BFSI LOB application, delivering responsive layouts and Node.js services.
ReactNode.jsSocket.IOMaterial UIBootstrap

Bachelor of Engineering — Electronics & Communications

Sep 2010 – Jun 2014

Sri Krishna College of Technology

Coimbatore, India

  • Graduated with specialization in Electronics & Communications Engineering.

Toolkit

Skills & Technologies

Languages

JavaScriptTypeScriptGraphQLHTML5CSS3

Frontend

React.jsNext.jsGatsby.jsReduxContext APITailwind CSS

Backend

Node.jsExpress.jsSeneca.jsREST APIsGraphQL APIs

Databases

MongoDBMySQLRedisRabbitMQ

Messaging

KafkaRabbitMQSocket.IO

Cloud & DevOps

AzureAzure Kubernetes ServiceGoogle Cloud PlatformDockerJenkinsVSTS

API & Security

ApigeeOAuth 2.0API ManagementMFAJWTOpen Market

Architecture

MicroservicesEvent-Driven ArchitectureDesign PatternsClean CodeDistributed SystemsCloud Migration

Practices

Agile / ScrumPerformance OptimizationTeam LeadershipTechnical MentoringCode Review

Certifications

MERN Stack Developer — NIIT Stackroute

Featured Work

Projects & Impact

Architecture HighlightsTechnical Architect · Mr. Cooper

Zero-Downtime OnPrem → Cloud Migration

Mr. Cooper · Technical Architect

Architected and personally executed the full migration of on-premises database servers and 40 interdependent microservices to the cloud with zero downtime. Required meticulous planning, phased execution strategy, rollback safeguards, and cross-team coordination across infrastructure and application teams.

Architect's Role

Sole architect and execution lead — designed the migration strategy, sequenced service cutovers, and ensured data integrity throughout the transition.

40 microservices · Zero downtime · Full cloud adoption
AzureKubernetesDockerMicroservicesCloud MigrationCI/CD

OAuth-Secured APIM Gateway — Apigee

Mr. Cooper · Technical Architect

Designed and implemented a large-scale OAuth 2.0-based API Management gateway using Apigee, securing and governing API access across the entire loan servicing ecosystem covering 5+ million loans.

Architect's Role

Lead architect for the Apigee integration and OAuth security model — defined gateway policies, rate limits, and authentication flows.

5M+ loans governed · Enterprise-wide API security
ApigeeOAuth 2.0API ManagementSecurityAzureNode.js

Rocket Mortgage Integration

Mr. Cooper · Technical Architect

Led the successful technical integration between Mr. Cooper and Rocket Mortgage, aligning complex loan data models, APIs, and servicing workflows across two of the largest players in the US mortgage industry.

Architect's Role

Architected the integration layer — data mapping, API contracts, and orchestration workflows to ensure seamless loan transfer and servicing continuity.

Cross-platform integration at mortgage industry scale
MicroservicesREST APIsAzureNode.jsData Integration

White-Label Servicing Websites

Mr. Cooper · Technical Architect

Architected and launched a suite of new white-label mortgage servicing websites, enabling Mr. Cooper to power branded digital experiences for partner servicers on a shared platform.

Architect's Role

Led the architecture of the white-label platform — multi-tenancy design, theme system, feature flagging, and CI/CD pipeline setup.

Multiple brand launches on a single unified platform
React.jsNext.jsNode.jsAzureMulti-tenancyTailwind CSS
Engineering Projects

Forbearance Application

Mr. Cooper

Pandemic-era loan relief platform enabling customers to pause mortgage payments and enter modification workflows. Reached 100K+ homeowners during COVID-19.

100K+ customers served
React.jsNode.jsReduxRedis+3

Digital Home Advisor & One-Time Links

Mr. Cooper

Customer self-service platform with live chat, digital advisory, and secure one-time access links to drive digital adoption.

Drove digital-first customer adoption
React.jsNode.jsContext APIMongoDB+2

Integrations Operations Portal

Verizon Data Services

Real-time network monitoring platform — a single pane of glass for network engineers across Verizon's infrastructure.

Real-time visibility for network operations
React.jsNode.jsSocket.IORabbitMQ+1

Lloyds Banking Group — Frontend Library

Wipro Digital

Reusable React component library for one of the UK's largest banks, and co-developed Quizart — an internal BFSI learning app.

Library adopted across Lloyds digital products
React.jsNode.jsSocket.IOMaterial UI+1

Get In Touch

Let's Connect

I'm open to discussing architecture consulting, technical leadership roles, or just connecting with fellow engineers.

Location

Dallas, Texas, USA