Sujeet J.

Software Engineer

Bengaluru, Karnataka, India11 yrs 5 mos experience

Key Highlights

Led migration to Next.js SSR improving performance.
Developed a design system enhancing brand consistency.
Built a multi-tenant enterprise platform for 40 clients.

Stackforce AI infers this person is a SaaS and E-commerce expert with a focus on high-performance web applications.

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Skills

Core Skills

Next.jsNode.jsSearch OptimizationAwsMicroservicesDesign SystemReact NativeContent Recommendation System

Other Skills

A/B TestingAngularApache KafkaBack-End Web DevelopmentCloudflareCommunicationContent ManagementCore Web VitalsData StructuresDatabase DesignDistributed SystemsE-CommerceElasticsearchEngineering ManagementFront-end Development

About

Principal Engineer with 11+ years of experience building and scaling high-performance, global web applications across e-commerce, travel, and enterprise platforms. Skilled in frontend architecture (React, Next.js, TypeScript), backend systems (Node.js), and cloud infrastructure (AWS, Kubernetes, Edge Computing). I focus on delivering solutions that improve both user experience and business metrics—optimizing Core Web Vitals, search discovery, personalization, and internationalization. Alongside deep technical expertise, I have led org-wide initiatives including design system development, large-scale technology migrations (SSG → SSR), and AI-powered developer productivity improvements. Key Highlights: • Quince: Migrated to Next.js SSR, built high-performance BFF (p99 <40ms), improved search CTR by 25%. • Vistaprint: Delivered a design system and launched a scalable logo-maker platform, improving consistency and velocity. • Infosys Wingspan: Built a multi-tenant enterprise platform used by 40+ global clients. I bring a balance of technical depth and leadership skills, driving engineering excellence, cross-functional collaboration, and measurable business impact. In free time I love reading and writing blogs (https://sujeet.pro/post/)

Experience

11 yrs 5 mos

Total Experience

2 yrs 10 mos

Average Tenure

2 yrs 9 mos

Current Experience

Quince

2 roles

Principal Engineer

Promoted

Jul 2024 – Present · 1 yr 10 mos · Bengaluru, Karnataka, India · Hybrid

Quince is an aﬀordable luxury brand that sells high-quality fashion and home goods at radically low prices - direct from the factory floor.
● Migrated quince.com (12M MAU) to a server-side rendering architecture (Next.js) enabling personalized content, A/B testing and resolving price mismatch issues within product variants.
● Developed a high-performance backend-for-frontend (BFF) using Node.js and Redis, achieving a p99 latency of 38.5ms for 300 requests per second (RPS), significantly improving platform scalability and development eﬃciency.
● Led development of a Site Content Service with versioning, rollback and controlled releases, streamlining content management workflows.
● Migrated A/B testing to Statsig, enabling advanced experimentation strategies.

Next.jsNode.jsRedisA/B TestingContent Management

Technical Lead

May 2023 – Apr 2024 · 11 mos · Bengaluru, Karnataka, India · Hybrid

● Optimized search result relevance, achieving a ~25% click-through rate (CTR) to product pages and a ~10% conversion rate (CVR) for add-to-cart (ATC).
● Built a Vanity URL Service to empower marketing campaigns with custom URLs.
● Architected and developed an in-house Image Service on AWS, achieving a 30% cost reduction and implementing failover for increased reliability.
● Implemented HLS and DASH video streaming using AWS Elemental MediaConvert for website and mobile app content delivery.
● Improved website performance and mitigated ad-blocker impact by migrating to server-side Google Tag Manager (SGTM).
● Strengthened system resilience with Datadog and Sentry, reducing issue triaging and resolution times to under 10 and 30 minutes, respectively.
● Significantly enhanced user-experience by improving Core Web Vitals (+20%), accessibility (+30%), and SEO (+20%) scores, resulting in a smoother and more engaging user journey.
● Contributed to key features like shareable wishlists, SSO integration, and load testing.

Search OptimizationAWSImage ServiceVideo StreamingCore Web Vitals

Vista

Lead Software Engineer

Aug 2020 – May 2023 · 2 yrs 9 mos · Bengaluru, Karnataka, India · Remote

Vistaprint is a global e-commerce platform for physical and digital marketing products with $2B
revenue and ~16M MAU operating in 20 countries in 25 locales.
● Lead and managed a team of 6 developers & handled both promotion and PIP cases.
● Hired & built the team in India within Vistaprint's Merch Tech Domain (Storefront).
● Contributed to a major initiative to migrate Vistaprint's upper funnel discovery pages from a monolithic architecture to a modern, scalable microservice, micro-frontend, and microsite-based architecture, successfully deployed across 20 global markets.
● Built the logo-maker web app from an early prototype, user-testing, and initial market deployment to full launch
● Built the design system (SWAN) that ensured consistent brand identity, improved accessibility across the site (90+ lighthouse score), and better DX (20% faster sprint completion)
● Implemented headers & footers as an ESI (Edge-side include) in Cloudflare, removing inconsistent UI and saving 50+hrs per deployment.
● Developed Marketing Landing Pages (MLPs) using Gatsby and Builder.io, empow

MicroservicesDesign SystemGatsbyCloudflare

Cure.fit

Lead Software Engineer

Feb 2020 – Aug 2020 · 6 mos · Bangalore

Cure.fit (now cult.fit) oﬀers various workout programs and Audit Platform aimed to ensure consistent and high-quality service delivery across centers.
● Built end to end Audit platform which consisted of Rest APIs, React Native based Mobile App for Auditors and Admin Site for managing questions and dashboards.
● Developed a Video Review Tool that enables users to provide time-stamped feedback and annotations directly within a video timeline.
● Reduced page load time by ~20%, TTI by 15%, and handled up to 12.5K input elements on a React SPA using lazy loading, virtualization & JS optimizations for Admin Site.

React NativeREST APIsVideo Review Tool

Infosys

Specialist Programmer | Strategic Technology Group, Expert Track

Jun 2014 – Nov 2019 · 5 yrs 5 mos · Bengaluru, Karnataka, India · On-site

Wingspan is an enterprise multi-tenant re-skilling platform with 40 clients (E.g. Siemens, Ford) and internally used as Lex & Infosys springboard.
● Built a content recommendation system using Association Rule Learning.
● Build an video ingestion pipeline with did HLS and DASH transcoding using FFmpeg.
● Built a multi-format content player (branched videos, pdfs, epubs, MCQs, etc.)
● Authored a plugin-based page framework that resulted in tenant onboarding time being
reduced from 3 to 1 week and improved page load by 66% (3x faster)
● From concept to clients: Built Wingspan from pre-conception (MyNinja, Digital Tutor, and
knowledge graph) to internal adoption and first external client, Siemens

Content Recommendation SystemVideo Ingestion PipelineMulti-format Content Player