I am a Lead Software Engineer with 11+ years of experience building enterprise web platforms across ecommerce, finance and B2B. I specialise in frontend architecture, React, Next.js, TypeScript and Nx monorepos, with a focus on microfrontend architectures and scalable platform tooling. I focus on making frontend platforms easier to build, test and release. Recently I led a microfrontend migration, improved CI and release workflows, created custom Nx tooling, and helped teams move faster through clearer engineering standards, mentoring colleagues along the way.

Hisham El-Sayed

I am a Lead Software Engineer with 11+ years of experience building enterprise web platforms across ecommerce, finance and B2B. I specialise in frontend architecture, React, Next.js, TypeScript and Nx monorepos, with a focus on microfrontend architectures and scalable platform tooling. I focus on making frontend platforms easier to build, test and release. Recently I led a microfrontend migration, improved CI and release workflows, created custom Nx tooling, and helped teams move faster through clearer engineering standards, mentoring colleagues along the way.

Available to hire

I am a Lead Software Engineer with 11+ years of experience building enterprise web platforms across ecommerce, finance and B2B. I specialise in frontend architecture, React, Next.js, TypeScript and Nx monorepos, with a focus on microfrontend architectures and scalable platform tooling.

I focus on making frontend platforms easier to build, test and release. Recently I led a microfrontend migration, improved CI and release workflows, created custom Nx tooling, and helped teams move faster through clearer engineering standards, mentoring colleagues along the way.

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Experience Level

Expert
Expert
Intermediate

Language

English
Fluent

Work Experience

Lead Software Engineer (Contract) at WPP
October 1, 2024 - Present
Led migration of a legacy monolithic frontend into a suite of microfrontend applications within an Nx monorepo using Module Federation. Owned decisions across architecture, CI, developer tooling and release readiness; supported wider WPP initiatives including AI Creative Studio. Introduced trunk-based development, trunk-based CI and LaunchDarkly feature flagging to improve release confidence, and partnered with DevOps to enable ephemeral pre-merge environments. Created reusable AI prompts, templates and agent workflows to assist engineers with migration tasks and deliver consistent platform understanding.
Lead Frontend Engineer (Contract) at VML Enterprise Solutions (now WPP Enterprise Solutions)
February 1, 2022 - September 30, 2024
Owned frontend delivery for Wolseley’s headless B2B commerce replatform, supporting three brands through a shared white-labelled React/Next.js storefront within an Nx workspace. Delivered a major migration to a headless architecture, improved site speed and stability, and helped grow the active online customer base while shaping frontend standards across client and internal teams.
Senior Frontend Engineer (Contract) at Ted Baker
July 1, 2021 - February 28, 2022
Contributed to Ted Baker's online store relaunch, a modern headless, multi-storefront ecommerce platform built with React, Next.js, Nx and MUI. Delivered customer-facing ecommerce features for 12 regional storefronts and helped establish reusable UI patterns and scalable frontend architecture.
Lead Frontend Engineer (Contract) at Instinct Digital
June 1, 2020 - July 31, 2021
Led delivery of the Distribution Analytics platform for BNY Mellon and delivered Instinct Digital's SaaS marketing platform with Salesforce integration. Advised Allianz Group on technical design and built a cross-functional team of backend and frontend engineers.
Lead Frontend Engineer (Contract) at Evelyn Partners (BestInvest)
August 1, 2019 - March 31, 2020
Delivered investment search for BestInvest and introduced a shared component library for design consistency. Unified tooling, testing and Git flow across applications, and led a Vue to React transition driven by resourcing needs.
Software Engineer at Arcadia Group
July 1, 2018 - July 31, 2019
Worked on the online platform team serving Topshop, Topman, Miss Selfridge, Burton, Wallis, Evans and Dorothy Perkins. Delivered checkout features including Arcadia's first unlimited delivery service and a new gift card implementation; shipped Wishlist and provided release support during peak periods.
Senior Frontend Engineer at Graze
March 1, 2018 - July 31, 2018
Rebranded the Graze websites using the in-house Pretzel component library. Kicked off the headless replatform for the new Graze website, building a new in-house component library.
Frontend Developer at Harvey Nichols
September 1, 2016 - March 31, 2018
Transitioned the online ecommerce product model from a single CMS to microservices; built a headless storefront using a component-based system and a shared library; introduced an npm and Webpack-based frontend workflow to improve build efficiency.
Frontend Developer at Amaze (now Valtech)
January 1, 2015 - August 31, 2016
Built frontend assets for CRM campaigns and automated email workflows; delivered interactive marketing experiences, including Coca-Cola fantasy World Cup campaign; shipped the SaaS marketing platform with Salesforce integration.

Education

BSc (Hons) Web Development at Manchester Metropolitan University
January 1, 2010 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Retail, Software & Internet, Professional Services, Financial Services, Media & Entertainment