Vaibhav Sah

Engineering Manager

Gurugram, Haryana, India13 yrs 8 mos experience

Key Highlights

  • Achieved 70% reduction in page load time.
  • Led development of LLM-powered platforms with 5M+ users.
  • Championed migration to micro-frontend architectures.
Stackforce AI infers this person is a SaaS and eCommerce engineering leader with expertise in frontend architecture and AI-driven solutions.

Contact

Skills

Core Skills

React.jsNode.jsFastapiMicro FrontendsTypescriptSeoReact Js

Other Skills

Vue.jsFlutterGolangWhatsApp/Twilio APIsCMSJavaScriptNext.jsRequirements AnalysisFront-end DevelopmentProgressive Web Applications (PWAs)Web Content Accessibility Guidelines (WCAG)ProgrammingProject ManagementServer Side JavaScriptSearch Engine Optimization (SEO)

About

Engineering leader with 13+ years across eCommerce, SaaS, and GenAI, owning architecture, delivery, and team outcomes end-to-end. I drive performance-led product engineering—treating Core Web Vitals (LCP/INP/CLS), technical SEO, and WCAG accessibility as business levers to improve acquisition, conversion, and engagement while reducing compliance risk. 🧭 Impact & Expertise ✅ Quality & Performance: Delivered a 70% reduction in page load time, achieved LCP < 2s and FCP < 1.5s, and drove backend/API improvements including 15s → 2s load-time optimizations. ✅ Growth via CWV + SEO + Accessibility: Aligned Core Web Vitals + technical SEO + WCAG 2.1, resulting in 40% lower bounce rate, 16% increase in organic CTR, and 20% overall sales impact. ✅ AI-Driven Innovation: Led the development and scaling of LLM-powered platforms (OLX Magic, Wyzard) from pilot to 5M+ users, integrating conversational AI and scalable architectures. ✅ Architectural Transformation: Championed the migration from monolithic to micro-frontend architectures, reducing release cycles from 6 weeks to 2 weeks and fostering autonomous team delivery. ✅ Leadership: Built and mentored high-performing UI teams, establishing execution mechanisms (OKRs, DORA metrics) and fostering strong cross-functional alignment with Product, Design, and Data Science. Core strengths • Frontend/platform architecture: React, Next.js, JavaScript, TypeScript, Node.js, Python, Microservices, Micro-frontends, design systems, performance optimisation • Experience quality: Core Web Vitals, SEO engineering, WCAG 2.1 accessibility, analytics-driven experimentation • Leadership: hiring/mentoring, roadmap execution, stakeholder alignment, predictable delivery • AI-enabled journeys: integrating LLM-powered conversational interfaces into product workflows 🚀 Current Focus Leading engineering for GenAI-powered SaaS platforms while exploring opportunities to scale engineering organizations at product-driven companies. Passionate about the intersection of AI, scalable architectures, and empowered engineering teams. Open to: Senior Engineering Manager / Director of Engineering / Head of Engineering / Leadership roles combining hands-on architecture with strategic team leadership. 💡 Open to: Senior Engineering Manager / Director of Engineering / Head of Engineering / Frontend Platform & Architecture roles

Experience

13 yrs 8 mos
Total Experience
1 yr 9 mos
Average Tenure
2 mos
Current Experience

Pine labs

Engineering Manager

Mar 2026Present · 2 mos · Noida, Uttar Pradesh, India · On-site

  • Engineering Development, Digital Payments, Plural

Roundcircle

Senior Engineering Manager

Jul 2024Oct 2025 · 1 yr 3 mos · Gurugram, Haryana, India · On-site

  • ✅ Tech Stack: React.js, Node.js, Vue.js, Flutter, FastAPI, Golang, TypeScript, WhatsApp/Twilio APIs
  • ✅ Currently building customer intelligence systems with Lusha, Zapier, Calendly, Factors.ai, etc. to power GenAI co-pilot experiences in Wyzard—supporting lead qualification, enrichment, and real-time scoring.
  • ✅ Guided the development of GenAI-powered products:
  • OLX Magic: Chat-based search feature for OLX shopping search enhancement.
  • Agentic AI Shopping assistant for eCommerce that negotiates with buyer and seller for generating best deals.
  • ✅ Built frontends with React, Vue, Flutter
  • ✅ Integrated LLMs via FastAPI and WhatsApp/Twilio APIs
  • ✅ Oversaw the full engineering lifecycle, including tech vendor evaluations, resourcing strategy, and project management.
  • ✅ Architected frontend systems for LLM-powered SaaS tools with React, Node.js, and FastAPI.
  • ✅ Defined customer-focused SDKs for customizable onboarding and product flows.
  • ✅ Oversaw on-call processes and system availability SLAs for multi-tenant architecture.
  • ✅ Led CI/CD adoption using GitLab CI, enabling smooth release cycles and rollback support.
React.jsNode.jsVue.jsFlutterFastAPIGolang+2

Wyzard

Senior Engineering Manager

Jul 2024Oct 2025 · 1 yr 3 mos · Gurugram, Haryana, India · On-site

  • ✅ Tech Stack: React.js, Vue.js, Flutter, FastAPI, Golang, TypeScript, WhatsApp/Twilio APIs
  • ✅ Guided the development of GenAI-powered LLM Chatbot Wyzard: SaaS marketing co-pilot that works as a plug and play SDK for all your SASS queries.
  • ✅ Oversaw the full product and engineering lifecycle—partnering with Product, CX, and Business teams to design scalable onboarding experiences with iterative user feedback loops.
  • ✅ Defined architecture for multi-tenant GenAI co-pilot platforms supporting global clients with modular plugin SDKs.
  • ✅ Architected scalable onboarding workflows for WhatsApp/Twilio integrated chat assistants.
  • ✅ Established patterns for distributed team delivery across India, Poland, Portugal, and remote locations.
  • ✅ Collaborated with product and CX teams to shape LLM-driven user flows and vendor integration pipelines.
  • ✅ Shaped architecture to support modular vendor workflows, aligned with user-specific configurations and permission models.
React.jsVue.jsFlutterFastAPIGolangTypeScript+1

Accion labs

Architect

Mar 2024Jul 2024 · 4 mos · Noida, Uttar Pradesh, India · Hybrid

  • ✅ Tech Stack: Micro Frontends, CMS, React.js, JavaScript, TypeScript
  • ✅ Architected Micro Frontend Architectures for legacy applications.
  • ✅ Spearheaded the CMS Application development for large scale systems.
  • ✅ Migrated to micro frontend structure for marketing and search teams to streamline releases.
Micro FrontendsCMSReact.jsJavaScriptTypeScript

Tata cliq

Engineering Manager

Nov 2021Feb 2024 · 2 yrs 3 mos

  • Martech (Marketing Technologies) & SEO:
  • ✅ Assembled and led a specialized SEO-focused engineering team to drive organic traffic growth and improve search visibility.
  • ✅ Worked on PWA optimization, enhancing performance by 200%, leading to a 40% reduction in bounce rate.
  • ✅ Spearheaded Acquisition Technologies, optimizing marketing funnels and enhancing customer engagement for Tata CLiQ & Tata CLiQ Luxury.
  • ✅ Established engineering processes and enforcement strategies, ensuring best practices in frontend performance and scalability.
  • ✅ Designed and implemented the Testing Automation Charter, forming a dedicated QA team to improve release stability and speed.
  • Tata CLiQ Palette (Beauty eCommerce Platform):
  • ✅ Led the end-to-end development of Tata CLiQ Palette’s web and mobile site, delivering a seamless and scalable beauty e-commerce experience.
  • ✅ Acted as Engineering Manager, overseeing architecture decisions, sprint planning, and cross-team collaboration from inception to launch.
  • ✅ Established robust engineering workflows and streamlined CI/CD pipelines to ensure efficient releases and high-quality deliverables.
TypeScriptNext.jsRequirements AnalysisFront-end DevelopmentProgressive Web Applications (PWAs)Web Content Accessibility Guidelines (WCAG)+12

Ticketmaster

Senior Engineer

Jan 2020Nov 2021 · 1 yr 10 mos · Gurgaon, India

  • Technical Lead & Scrum Master
  • ✅ Led a 10-member cross-functional team (8 React Developers, 1 Backend Developer (Drupal), and 1 QA) to build and enhance a Content Management System (CMS).
  • ✅ Developed a drag-and-drop React-based widget system, enabling clients to create their own websites seamlessly without coding.
  • ✅ Acted as the Scrum Master, managing Agile Release Train (ART) and SAFe Agile processes, ensuring smooth sprint planning, execution, and timely deliveries.
  • ✅ Spearheaded frontend architecture using React.js, Redux.js, and Material UI, ensuring scalability and performance optimization.
  • ✅ Managed CI/CD pipelines using GitLab, ensuring smooth deployments and release management.
  • ✅ Collaborated closely with backend (Drupal) and QA teams to ensure a seamless development-to-deployment pipeline.
  • Key Technologies: React.js, Redux.js, Node.js, JavaScript, Restful API, Material UI, GitLab CI/CD, SAFe Agile
TypeScriptRequirements AnalysisFront-end DevelopmentProgressive Web Applications (PWAs)ProgrammingSearch Engine Optimization (SEO)+7

Salucro healthcare solutions

2 roles

Senior Programmer Analyst

Promoted

May 2019Jan 2020 · 8 mos · Jaipur Area, India

  • Worked on the development of the company's payment portal from scratch in ReactJS with Typescript using Redux and Redux Saga as the core technology stack.
  • Provided support to Legacy projects in JavaScript and jQuery.
  • Created micro-service in Golang, to generate Monthly and Yearly excel reports which were earlier done in PHP. My service reduced the time from 3 minutes to 40 seconds approximately. This was a part of an internal learning project.
  • Skills: React JS, Redux, Redux Saga, Jest, Casper JS, Golang, Typescript, ES6, Cross-Browser Compatibility
React JSReduxRedux SagaJestGolangTypescript+1

Programmer Analyst

Nov 2016Apr 2019 · 2 yrs 5 mos · Jaipur Area, India

TypeScriptRequirements AnalysisFront-end DevelopmentProgressive Web Applications (PWAs)ProgrammingSearch Engine Optimization (SEO)+7

Kesari business solutions

User Interface Developer

Apr 2015Oct 2016 · 1 yr 6 mos · Jaipur, Rajasthan, India

  • Worked as a UI Developer
  • Worked on development and optimizing the Data-Driven Intelligent Event Management systems
  • Key Skills, Javascript, jQuery, Bootstrap, jQuery UI, Datatables
  • Other roles include Client Interaction, Requirement gathering, and Analysis,
  • Worked on Data-Flow Design, Screen Designs, creating Wireframes
Requirements AnalysisFront-end DevelopmentProgressive Web Applications (PWAs)ProgrammingSoftware DevelopmentUser Interface Design+2

Emrotech labs

Senior Web Designer

Feb 2012Apr 2015 · 3 yrs 2 mos · Jaipur, Rajasthan

  • Developing personalised solutions to the clients for Web development and Domain Hosting.
  • Worked on creating Responsive & Adaptive web designs
  • Key Skills: HTML5, CSS3, Bootstrap, jQuery, jQueryUI
Requirements AnalysisFront-end DevelopmentProgrammingSoftware DevelopmentUser Interface DesignBusiness Analysis+1

Gaylaard industries

Managing Director

Nov 2009Jan 2012 · 2 yrs 2 mos · Jaipur, Rajasthan, India

  • Owner: Gaylaard Industries, Manufacturing Solar Panel Frames for PSUs and green companies
  • Roles & Responsibilities:
  • Resources & Skills Management, handling Vendor Registration for PSUs, client engagement, e-Tendering
Business Analysis

Education

Liverpool John Moores University

Masters of Science in Data Science — Data Science

Jan 2021Jan 2022

International Institute of Information Technology Bangalore

Post Graduate Diploma in Data Science with Deep learning Specialisation — Data Science

Dec 2019Jan 2020

Jaipur Engineering College & Research Center

Bachelor of Engineering (B.E.) — Computer Science

Jan 2004Jan 2008

D A V Centenary Public School, Jaipur

High School — Science

Jan 1995Jan 2004

upGrad.com

PGDDS December 2019 Preparatory Course Certificate

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