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I’m a software engineer with experience building and maintaining scalable web applications, focusing on clean architecture, reliability, and user experience. I’ve worked across frontend and backend systems, including authentication, single sign-on, and platform-related solutions, and I enjoy solving practical technical problems with a product mindset. I’m particularly interested in opportunities where I can contribute hands-on, collaborate closely with a team, and help improve both engineering quality and product impact. I’m comfortable working in fast-paced environments and enjoy taking ownership of projects from idea to delivery. Thank you for your time and consideration. I’d welcome the opportunity to discuss how my experience and approach can contribute to your team.…I’m a software engineer with experience building and maintaining scalable web applications, focusing on clean architecture, reliability, and user experience. I’ve worked across frontend and backend systems, including authentication, single sign-on, and platform-related solutions, and I enjoy solving practical technical problems with a product mindset. I’m particularly interested in opportunities where I can contribute hands-on, collaborate closely with a team, and help improve both engineering quality and product impact. I’m comfortable working in fast-paced environments and enjoy taking ownership of projects from idea to delivery. Thank you for your time and consideration. I’d welcome the opportunity to discuss how my experience and approach can contribute to your team.

lee horng perng

Full Stack Developer, Back-End Developer, Front-End Developer, +3

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I’m a software engineer with experience building and maintaining scalable web applications, focusing on clean architecture, reliability, and user experience. I’ve worked across frontend and backend systems, including authentication, single sign-on, and platform-related solutions, and I enjoy solving practical technical problems with a product mindset. I’m particularly interested in opportunities where I can contribute hands-on, collaborate closely with a team, and help improve both engineering quality and product impact. I’m comfortable working in fast-paced environments and enjoy taking ownership of projects from idea to delivery. Thank you for your time and consideration. I’d welcome the opportunity to discuss how my experience and approach can contribute to your team.…I’m a software engineer with experience building and maintaining scalable web applications, focusing on clean architecture, reliability, and user experience. I’ve worked across frontend and backend systems, including authentication, single sign-on, and platform-related solutions, and I enjoy solving practical technical problems with a product mindset. I’m particularly interested in opportunities where I can contribute hands-on, collaborate closely with a team, and help improve both engineering quality and product impact. I’m comfortable working in fast-paced environments and enjoy taking ownership of projects from idea to delivery. Thank you for your time and consideration. I’d welcome the opportunity to discuss how my experience and approach can contribute to your team.

Available to hire

I’m a software engineer with experience building and maintaining scalable web applications, focusing on clean architecture, reliability, and user experience. I’ve worked across frontend and backend systems, including authentication, single sign-on, and platform-related solutions, and I enjoy solving practical technical problems with a product mindset.

I’m particularly interested in opportunities where I can contribute hands-on, collaborate closely with a team, and help improve both engineering quality and product impact. I’m comfortable working in fast-paced environments and enjoy taking ownership of projects from idea to delivery.

Thank you for your time and consideration. I’d welcome the opportunity to discuss how my experience and approach can contribute to your team.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Beginner

Beginner

Beginner

Beginner

Language

English

Advanced

Work Experience

Staff Software Engineer - Team Platform <Identity & User Domain> at Aon

January 1, 2025 - Present

Led a distributed team of 7 engineers across multiple time zones. Built and maintained SSO SDKs/libraries across multiple frontend and backend stacks to support Auth0 (OIDC) integrations with identity providers. Owned architecture and operational hardening for backend services and event-driven user lifecycle/notification workflows.

Lead Software Engineer - Team Platform at Aon (CoverWallet)

January 1, 2025 - Present

Led the identity and user domain platform; designed and maintained authentication and authorization using Auth0 as primary OAuth provider; integrated multiple identity providers (including passwordless methods like OTP and magic link), Okta, Microsoft Azure AD, and Google Workspace; implemented and enhanced Role-Based Access Control to enforce granular permissions across applications; developed secure, scalable login experiences; monitored authentication performance and addressed login issues; optimized configurations for scalability and reliability; maintained and evolved SSO libraries bridging domain services to OCID providers; ensured consistent authentication patterns across applications.

Staff Software Engineer - Team UK & Uber at Aon

January 1, 2024 - December 1, 2024

Led a team of engineers maintaining and enhancing Aon UK and Aon Uber insurance programs. Managed end-to-end insurance platform workflows enabling Uber drivers to purchase required coverage before starting to drive, including the policy renewal journey for returning customers. Coordinated with product, operations, and compliance teams to align platform features with regulatory and business requirements.

Lead Software Engineer - Team UK & Uber at Aon (CoverWallet)

January 1, 2024 - December 31, 2024

Led a team of engineers maintaining and enhancing the Aon UK and Uber insurance program; aligned platform features with regulatory and business requirements; coordinated with product, operations, and compliance to deliver a seamless experience for customers and drivers; drove key platform enhancements to enable coverage procurement for Uber drivers.

Sr. Software Engineer - Team Distributor Channel at Aon

May 1, 2023 - December 1, 2023

Led a team maintaining core services for distributors to manage accounts, customers, and insurance policies. Built features tailored for Landlords C4A (CoverWallet for agents) to streamline policy management and customer onboarding, including policy quoting, purchase, and renewal workflows to reduce manual processing time. Collaborated with product managers, UX designers, and backend teams to deliver a user-friendly and scalable platform.

Sr. Software Engineer - Team Distributor Channel at Aon (CoverWallet)

May 1, 2023 - December 31, 2023

Led core features for the Landlords C4A (CoverWallet for Agents) program; streamlined policy management and customer onboarding; integrated policy quoting, purchase, and renewal workflows; improved distributor efficiency and reduced manual processing time; collaborated with product, UX, and backend teams to deliver a scalable platform.

Sr. Software Engineer - Team Australia at Aon

August 1, 2021 - May 1, 2023

Acted as a subject matter expert for the Australia program, providing technical direction for complex features. Mentored junior and mid-level engineers with technical solutions, coding best practices, and career growth guidance. Conducted thorough code reviews to maintain quality standards and improve maintainability. Participated in technical interviews evaluating candidates’ skills, cultural fit, and problem-solving ability.

Staff Software Engineer at Aon

August 1, 2021 - Present

Led a distributed team of 7 engineers across multiple time zones within the Platform—Identity & User Domain. Developed and maintained Single Sign-On (SSO) SDKs and libraries for ReactJS, NextJS, NestJS, Ruby, and Python to integrate authentication seamlessly with Okta, Google Workspace, Microsoft Azure, and OTP via Auth0 (OIDC). Architected and maintained backend services in Python and Ruby (Magic Link & User Domain). Designed event-driven workflows for user lifecycle and notification events to keep downstream services consistent. Hardened backend security via JWT validation, secret management, and structured audit logging while monitoring authentication performance and optimizing configurations for scalability and reliability.

Sr. Software Engineer - Team Australia at Aon (CoverWallet)

August 1, 2021 - May 31, 2023

Mentored junior and mid-level engineers; provided technical direction for complex features; performed code reviews to maintain high code quality and standards; contributed to hiring and team growth; delivered scalable features for the Australia program.

Sr. Software Engineer at Equinix

November 1, 2020 - June 1, 2021

Built an extensible and scalable case support platform as a micro-frontend service for all Equinix products. Launched the case support platform within timeframe and automated 60% of onboarding efforts for the micro-frontend service across other products.

Software Engineer at Equinix

November 1, 2020 - June 30, 2021

Built extensible and scalable case support platform (micro-frontend) for Equinix products; launched the case support platform within the timeframe and automated 60% of onboarding effort for micro-frontend services across products; collaborated with product and backend teams to deliver a unified experience.

Software Engineer at Key Reply

November 1, 2019 - November 1, 2020

Worked as lead engineer on chatbot integration projects for AIA MY, SMRT, and EPF Malaysia. Built an integration pipeline for WhatsApp and Facebook workplace messenger.

Sr. Software Engineer at Key Reply

November 1, 2019 - November 30, 2020

Led chat bot integration project for AIA My, SMRT, and EPF Malaysia; built integration pipeline for WhatsApp and Facebook Messenger; delivered robust integration with messaging platforms, enabling seamless bot-based interactions.

Web Developer at Pixelsquad

January 1, 2017 - November 30, 2019

Led engineering for multiple projects for OCBC Bank, Seoul Garden Singapore, Zero 1 Telco, and others; built and launched multiple scalable projects with extensible design.