Upesh Vishwakarma

Available to hire

Senior Full Stack Engineer and Enterprise WordPress Architect with 12+ years of experience scaling high-traffic web infrastructure.

About

Senior Full Stack Engineer and Enterprise WordPress Architect with 12+ years of experience scaling high-traffic web infrastructure. I specialize in building, migrating, and optimizing high-growth web architectures for market-leading platforms.

Most recently, I spent 7 years as a Senior Team Lead at a global B2B SaaS Unicorn (BrowserStack), where I architected the growth of their web ecosystem from 100 pages to over 5,000, successfully handling millions of monthly visitors. My portfolio includes leading massive-scale migrations—such as transitioning 3,200+ pages from legacy Ruby on Rails to a highly scalable Headless WordPress environment.

Beyond core engineering with custom Gutenberg blocks and REST API integrations, I bring a strong Site Reliability Engineering (SRE) and DevOps focus. I don’t just write code; I optimize WPEngine caching to recover gigabytes of server storage and build automated CI/CD pipelines (Jenkins) to eliminate deployment bottlenecks.

Whether operating as a hands-on developer or a strategic “player-coach” leading engineering teams, I deliver scalable, secure, and performant architectures designed for high-velocity enterprise growth.

  • Joined May 2026

Languages

  • EnglishFluent

Industry experience

  • Software & Internet
  • Professional Services
  • Media & Entertainment
  • Healthcare

More experts in Mumbai, India

Projects · 1

Live Site: https://www.twine.net/signin

The Challenge: Transitioning a rapidly growing, market-leading testing platform from a rigid legacy setup (around 100 pages) into a dynamic, scalable enterprise web infrastructure capable of handling massive traffic and continuous product launches.

The Solutions & Technical Impact:

  • Massive-Scale Content Migration: Architected and led the complete migration of 3,200+ documentation pages from a legacy Ruby on Rails infrastructure to WordPress within a strict 4-month timeline, ensuring zero data loss and maintaining SEO integrity.
  • Component-Driven Development (Gutenberg): Eliminated engineering bottlenecks for the marketing and product teams by engineering a highly customized, scalable library of Gutenberg blocks. This allowed non-technical teams to autonomously build and launch heavily trafficked product pages using reusable, on-brand components.
  • High-Availability Performance & SRE (WPEngine): Engineered the infrastructure to handle millions of monthly visitors without degradation. Implemented advanced WPEngine cache bundling and optimized the staging environments, which successfully recovered over 30GB of server storage and reduced annual infrastructure costs.
  • Headless Integrations (WP REST API): Utilized the WP REST API to seamlessly decouple the front-end from the back-end, allowing the WordPress ecosystem to securely communicate with BrowserStack’s broader microservices and product applications.
  • Engineering Leadership & CI/CD: Scaled the internal engineering culture from operating as a solo developer to leading a 6-member cross-functional team. Built automated Jenkins pipelines for staging-to-production synchronizations to drive deployment velocity.
Enterprise WordPress Architecture & Scaling at BrowserStack
  • Back-End Developer
  • Composer
  • DevOps Developer
  • +3

Work experience· 4 roles

Sr. Team Lead - WordPress & Full Stack Engineer · BrowserStackMar 2019 – Present · 7 yrs 9 mos

– Direct a high-velocity squad of 8+ engineers as primary Technical Authority for an enterprise WordPress ecosystem supporting 14+ global Marketing and Growth functions. - Built an enterprise-grade web platform from the ground up, engineering custom WordPress themes and React-driven Gutenberg plugins to support a 5,000+ page ecosystem. Delivered a highly optimized architecture strictly adhering to Core Web Vitals (CWV), WCAG accessibility compliance, and enterprise security protocols. – Lead quarterly OKR planning and resource allocation, aligning engineering roadmaps with scale requirements while partnering with Directors and cross-functional stakeholders. – Standardised high-performance engineering practices ensuring 100% compliance with Core Web Vitals (CWV) and WCAG 2.1 Accessibility standards across all enterprise web properties. – Drive team-wide AI adoption, structured GitHub Copilot rollout and MCP pipeline development, achieving a 25% lift in overall engineering productivity. – Authored upgrade runbooks for WordPress core, PHP, and plugin releases, reducing deployment risk across production environments. – Engineered Jenkins and GitHub Actions CI/CD pipelines for asset compilation and WPEngine deployment; built DB-sync jobs to keep all staging environments current with production. – Created Slack webhook alerting for every deployment event, PR status, and infrastructure alert across the team. – Championed talent growth through regular 1:1s, Individual Development Plans (IDPs), and RFC authorship aligning engineer career goals with business objectives.

Senior WordPress Developer · Mediserv Solutions Pvt LtdSep 2017 – Mar 2019 · 1 yr 7 mos

Architected and delivered responsive WordPress websites for US healthcare clients, implementing custom themes and plugins to support post types, taxonomies, and WooCommerce integrations; managed a portfolio of 8+ client projects with emphasis on performance and accessibility.

Senior Web Developer · Kush Info System Pvt LtdJan 2015 – Sep 2017 · 2 yrs 9 mos

Developed and maintained custom WordPress themes and plugins for a diverse client base across e-commerce, education, and services; delivered 100+ responsive, cross-browser websites.

Web Developer · Alfa Overseas India TechnologiesOct 2013 – Dec 2014 · 1 yr 3 mos

Education

Bachelor of Science in Information Technology · University of Mumbai2010 – 2013

6.0 GPA

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