Praveen K.

Lead Experience Engineer - Publicis Sapient | Senior Frontend Engineer | React.js | Microfrontends | Performance & Accessibility | 10+ YOE | Serving Notice

Role
Lead Experience Engineer at Publicis Sapient
Location
Bengaluru, KA, IN
LinkedIn followers
500 followers

About Praveen K.

I work on frontend systems where complexity is structural — not just feature-driven.With 10+ years of experience across telecom and B2B commerce domains, I’ve worked on enterprise-grade applications where complexity comes from distributed teams, brownfield modernization, and white-label multi-brand architectures.At Publicis Sapient, I operate within a Webpack Module Federation-based microfrontend ecosystem, contributing independently deployable modules while ensuring runtime integration stability. My work spans multi-brand theming in telecom platforms, modular UI systems, and performance & accessibility ownership aligned with WCAG 2.1 AA standards.Across roles, I have:• Improved Lighthouse accessibility scores from ~70 to 95+• Reduced bundle sizes by ~30% through performance optimization• Increased unit & integration test coverage to 90%+• Contributed to modernization of legacy stacks into scalable React/Next.js ecosystems• Represented frontend in architecture discussions with senior technology leadershipI enjoy translating product goals into scalable UI platforms — balancing developer experience, system maintainability, and measurable performance outcomes.My focus areas:– Microfrontend architecture & modular UI systems– Multi-brand theming & design systems– Web performance & Core Web Vitals– Accessibility as a non-functional requirement– Reducing frontend entropy in growing teamsCore technologies: React.js, JavaScript (ES6+), Next.js, TypeScript, HTML, CSS, Micro-frontends, Redux ToolKit, Design Systems, GraphQL, Web Optimisation, Web Performance, Accessibility (WCAG)I’m currently exploring Senior / Staff-track frontend roles in product-led and funded startup environments where frontend architecture and system quality matter.

Experience

  1. Lead Experience Engineer

    Publicis Sapient

    Dec 2024 — Present · Bengaluru, IN

    Worked on enterprise-scale frontend systems supporting multiple brands and distributed teams, where frontend complexity extended beyond feature development into platform stability and long-term maintainability.Contributed to a microfrontend ecosystem using Module Federation, enabling independent deployments while reducing coordination overhead between teams operating on shared business domains.Played a key role in shaping multi-brand theming approaches by standardizing design tokens and UI foundations, improving consistency and reducing duplication across applications.Owned performance and accessibility improvements across critical user journeys, working closely with backend engineers, designers, and product stakeholders to balance user experience with delivery constraints.Actively participated in architectural discussions around brownfield modernization, helping evolve legacy frontend surfaces without disrupting existing business workflows.Strengthened expertise in system-level concerns through internal NFR certification and AI foundation training.

Education

  • Guru Nanak Dev University, Amritsar

    Bachelor of Technology (B.Tech), Computer Science And Engineering

    2009 — 2013

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Praveen K. — Lead Experience Engineer at Publicis Sapient in Bengaluru, KA, IN | Unifers