Full Stack Technical Ownership
Led architecture-to-production delivery of enterprise developer platforms at Comcast — TypeScript/React + Node.js/GraphQL — zero regressions across 18+ months of biweekly releases serving 400+ partner organizations.
Building enterprise platforms that ship fast, stay reliable, and scale across teams.
I am Vishnu Vardhan Gottumukkala, a Senior Full-Stack Engineer at Comcast with 8+ years building TypeScript/React and Node.js/GraphQL platforms at scale. I lead end-to-end technical ownership of enterprise developer platforms serving 400+ partner organizations — from architecture decisions and engineering standards to CI/CD discipline and biweekly production releases across distributed Agile teams.
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- 0 Years delivering production software
- 0 Partner organizations served
- 0 API traffic reduced via caching
- 0 Test coverage on critical flows
Selected Achievements
Measurable impact across architecture, performance, and leadership
Performance at Scale
Cut redundant API traffic by 40% via RTK Query caching — directly improving partner dashboard responsiveness; Lighthouse-validated Core Web Vitals gains enforced before every production release.
Engineering Standards & Leadership
Introduced micro-frontend architecture enabling 3 teams to ship on independent cadences with zero cross-team coordination; established Git workflows, code review standards, and CI/CD practices adopted team-wide.
Mentorship & Culture
Mentored 3 engineers across code reviews, testing standards, and architecture guidance; Storybook component library adopted across 3 product teams as the org-wide UI standard.
Projects at Comcast
Platforms I have architected and shipped end-to-end
Comcast Developer Portal
Built critical partner-facing workflows used by 400+ external organizations to register, certify, and publish applications on Comcast's platform.
- Owned app certification end-to-end — state machine, multi-step validation, and error recovery flows.
- Built org settings, contact management, and login/org-switch dropdown with RBAC enforcement.
- Self-service portal eliminated manual onboarding bottleneck for 400+ organizations.
- Consolidated UI into a Storybook component library — WCAG-accessible, adopted across 3 teams.
- Maintained 90%+ test coverage: Jest + RTL + Cypress E2E, gated in Concourse CI.
React 18Next.jsTypeScriptGraphQL
Node.jsExpressPostgreSQLRedux Toolkit
StorybookTailwind CSSAWS EKSDocker
Visit Developer Portal →
Global App Platform
Led architecture of Comcast's omni-channel partner platform — full stack technical decisions from concept through production.
- Built Node.js/GraphQL microservices — event-driven messaging, AWS Lambda handlers, async pipeline orchestration.
- RTK Query caching cut redundant API traffic by 40% for 400+ active organizations.
- Implemented React Server Components — reduced client JS payload and improved TTI.
- Prototyped AI agent and document processing pipeline using OpenAI Codex and Claude Code.
- 90%+ coverage via Playwright E2E + Jest, gated in GitHub Actions; deployed to AWS EKS.
React 19RSCTypeScriptGraphQL
Node.jsRTK QueryPostgreSQLMongoDB
AWS LambdaPlaywrightViteGitHub Actions
IBIS Platform
Built features on Comcast's internal IBIS platform focused on partner and device operations at enterprise scale.
- Built event-driven device data pipeline with RxJS — per-request retry logic ensures partial failures never block.
- Scaled list views to handle thousands of device records — pagination patterns adopted org-wide.
- Built reusable Angular Material + Tailwind CSS component library — WCAG 2.1 AA accessible.
- Maintained Jenkins CI/CD pipelines — Docker-containerized deployments to AWS.
Angular 11+TypeScriptRxJSNgRx
Angular MaterialTailwind CSSNode.jsREST APIs
JenkinsDockerAWS
Visit IBIS →
Experience Timeline
Frontend-led full-stack delivery in enterprise environments
- Owned partner-critical workflows from architecture to production deployment across Developer Portal, Global App Platform, and IBIS.
- Built BFF APIs to aggregate upstream services and secure token exchanges via Node.js/Express and GraphQL.
- Improved first-load performance with SSR/SSG, React Server Components, code splitting, and caching.
- Introduced micro-frontend boundaries enabling 3 teams to ship independently without release locking.
- Led code reviews across React, Node.js/GraphQL, and TypeScript; mentored 3 engineers.
- Shipped platforms on AWS EKS with GitHub Actions, Concourse CI, and on-call monitoring via CloudWatch.
- Built React + Redux SPA and Node.js REST API backend for billing, claims, and policy management.
- Designed and optimized PostgreSQL schemas — indexing strategies and query tuning for compliance-constrained financial data.
- Developed React Native mobile app with shared Redux + TypeScript logic — reduced duplicate code by 40%.
- Built .NET Core / C# API services alongside Node.js — polyglot backend with RESTful controllers and Entity Framework ORM.
- TDD with Jest + React Testing Library — 80%+ automated test coverage on critical billing and claims paths.
- Full SDLC ownership in Agile/Scrum sprints across product, design, and compliance stakeholders.
Core Stack
Depth across frontend, backend, cloud, and delivery systems
Frontend
React 18/19Next.jsTypeScriptAngular 10+
React NativeRedux ToolkitRTK QueryRxJS
NgRxTailwind CSSStorybookMicro-Frontends
WCAG 2.1 AAHTML5CSS3
Backend & APIs
Node.jsExpress.jsGraphQLApollo
REST APIsMicroservicesOAuth2 / JWTBFF Patterns
.NET Core / C#AWS LambdaEvent-Driven
Databases
PostgreSQLMongoDBRelational Modeling
Query OptimizationIndexingAWS S3
Cloud & DevOps
AWS EKSAWS LambdaAWS S3CloudWatch
DockerKubernetesGitHub ActionsJenkins
Concourse CICI/CD Pipelines
Testing & Quality
JestReact Testing LibraryCypressPlaywright
Jasmine/KarmaTDD90%+ Coverage
Core Web VitalsLighthouseBundle Analyzer
Practices & Tools
Agile/ScrumTechnical LeadershipCode Reviews
Engineering MentorshipClaude CodeGitHub Copilot
OpenAI CodexGit Workflows
Education
Academic foundation in computer science and engineering
Master of Science, Computer Science
Northern Illinois University · DeKalb, IL
Jan 2018 – Dec 2019
Bachelor of Technology, Electronics & Communication Engineering
GITAM University · Hyderabad, India
Jul 2013 – Apr 2017
Contact
Open to senior full-stack and platform engineering opportunities
Recruiters and hiring managers: I am available for roles focused on high-scale web platforms, architecture ownership, and product-driven engineering.