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I am a technology leader with 20+ years of experience building scalable systems, cloud-native platforms, and high-throughput transaction flows. I excel at aligning C-level strategy with execution, mentoring engineering leaders, and delivering robust software that scales in complex environments. My career highlights include driving Ebay-scale blogs and social platforms, migrating large-scale properties to AWS with SOA governance, and delivering high-impact products like GrabRewards in under 3 months. I thrive in data-driven, security-conscious settings and enjoy mentoring teams to ship reliable, secure systems while continuously improving engineering practices.…I am a technology leader with 20+ years of experience building scalable systems, cloud-native platforms, and high-throughput transaction flows. I excel at aligning C-level strategy with execution, mentoring engineering leaders, and delivering robust software that scales in complex environments. My career highlights include driving Ebay-scale blogs and social platforms, migrating large-scale properties to AWS with SOA governance, and delivering high-impact products like GrabRewards in under 3 months. I thrive in data-driven, security-conscious settings and enjoy mentoring teams to ship reliable, secure systems while continuously improving engineering practices.

Lim Leong Kui

PRO

Full Stack Developer, Data Scientist, Front-End Developer, +6

5.0 (1 review)

I am a technology leader with 20+ years of experience building scalable systems, cloud-native platforms, and high-throughput transaction flows. I excel at aligning C-level strategy with execution, mentoring engineering leaders, and delivering robust software that scales in complex environments. My career highlights include driving Ebay-scale blogs and social platforms, migrating large-scale properties to AWS with SOA governance, and delivering high-impact products like GrabRewards in under 3 months. I thrive in data-driven, security-conscious settings and enjoy mentoring teams to ship reliable, secure systems while continuously improving engineering practices.…I am a technology leader with 20+ years of experience building scalable systems, cloud-native platforms, and high-throughput transaction flows. I excel at aligning C-level strategy with execution, mentoring engineering leaders, and delivering robust software that scales in complex environments. My career highlights include driving Ebay-scale blogs and social platforms, migrating large-scale properties to AWS with SOA governance, and delivering high-impact products like GrabRewards in under 3 months. I thrive in data-driven, security-conscious settings and enjoy mentoring teams to ship reliable, secure systems while continuously improving engineering practices.

Available to hire

I am a technology leader with 20+ years of experience building scalable systems, cloud-native platforms, and high-throughput transaction flows. I excel at aligning C-level strategy with execution, mentoring engineering leaders, and delivering robust software that scales in complex environments.

My career highlights include driving Ebay-scale blogs and social platforms, migrating large-scale properties to AWS with SOA governance, and delivering high-impact products like GrabRewards in under 3 months. I thrive in data-driven, security-conscious settings and enjoy mentoring teams to ship reliable, secure systems while continuously improving engineering practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Chinese

Fluent

Malay

Beginner

Work Experience

Consultant at Aida Lab

August 1, 2023 - Present

Provide project and contract-based consultant services to clients. Worked with Pantheon Lab to integrate cybersecurity solutions with bank systems; designed and implemented ISO 27001 certification plans; designed multi-agent Conversation Engine with LLM integration, offline transcription features, and semantic search. Led development of Audit Bot using ASR + LLMs and contributed to various client projects including HomeGlobal.sg, OpenPrivilege.com CMS, and WorkRamen.

Chief Technology Officer at Speedoc PTE LTD

August 1, 2023 - October 27, 2025

Led Digital Product department (≈60 talents) and oversaw IT security controls to meet ISO 27001; steered the PDPC undertaking as a remedial measure; migrated from monolith to microservices with standardized API contracts, idempotency, and background workers; designed CI/CD and IaC pipelines; built data pipeline (Airflow), data warehouse (Redshift), and dashboards with GenAI capabilities; guided Lean product management and clinic management system development.

Consultant at Freelance

February 1, 2022 - October 27, 2025

Provided project and contract-based consultancy for multiple clients, including ArtWallStreet.io (Circle Payment + Ethereum NFT on Polygon with minting), EatMatch (ETL from Firebase Firestore to Google Cloud BigQuery for analytics), and Wizly (UI/Onboarding improvements and deployment optimization).

VP of Technology at EVO Holdings

May 1, 2021 - October 27, 2025

Launched EVO's first product EvoLive, a platform for streamers and live sellers, in 1.5 months with a small team. Tech stack included Golang, Next.js, Checkout, AWS ECS, MongoDB, and Terraform-managed infrastructure.

Deputy Director at SP Digital, SP Group

July 1, 2020 - October 27, 2025

Participated in the Digital Grid Taskforce; helped define DERMS solution; implemented Internet Surfing Separation; established SP Digital IT support processes; led Chrono Framework for timeseries data management and Chronos+ forecasting; supported data-driven initiatives including migrant worker movement tracking during Covid-19.

Lead Engineer / Engineering Manager at Grab Singapore

August 1, 2017 - October 27, 2025

Managed GrabRewards Engineering Team; designed, developed, and deployed GrabRewards from scratch in two months with deep integration into Grab Microservices Mesh; built real-time user targeting to apply dynamic business rules using an event-driven architecture and data-driven recommendations.

Architect / Senior Tech Lead at PayPal Singapore

August 1, 2016 - October 27, 2025

Provided architecture and design guidance for engineers to meet business requirements and dependencies while adhering to Paypal engineering guidelines.

CTO at Wedilo.com PTE LTD

October 1, 2015 - October 27, 2025

Launched a high-performance captive portal for WiFi hotspot login, including Hotel Dashboard, Consumer Site, and Internal Admin Site within two weeks.

Co-founder / CEO / CTO at SweetSpring Media

March 1, 2015 - October 27, 2025

Founded and led the company, built high-performance websites, managed budgets, and steered product development with a small team and limited infrastructure.

Software Architect at PropertyGuru

February 1, 2014 - October 27, 2025

Architected SOA-based system to reduce cost and increase performance; developed Big Data components using MongoDB and AWS Redshift; led RapidResponse Team to improve bug metrics and deployment turnaround; stabilized AWS infrastructure to improve site availability.

Senior WebServer Engineer at Razer

April 1, 2011 - October 27, 2025

Built REST API platform on LAMP stack for desktop apps and contributed to backend services.

Lead Software Engineer at Yahoo (US, Taiwan, Singapore)

May 1, 2010 - October 27, 2025

Managed Yahoo Adsystem daily operations; developed monitoring tools for vital statistics; oversaw Yahoo Search frontend (400+ servers) and led the 360+ blogging platform with 10M users and billions of monthly pageviews.

Software QA Engineer at Avant! Corp.

May 1, 2000 - October 27, 2025

QA engineer involved in software quality assurance and testing activities.

VLSI Layout Engineer at Altera Corp.

May 1, 1998 - October 27, 2025

VLSI layout engineering experience in hardware design workflows.