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I was previously working in Detrack system where I help designed and implemented a system to solve Vehicle Routing Problem (VRP) challenges. My solution enabled companies to efficiently plan and assign multiple jobs across multiple drivers, optimizing routes and improving operational efficiency. I am actively learning about large language models (LLMs), Retrieval-Augmented Generation (RAG), and other modern AI techniques. My creativity, resilience and commitment to understand client needs is what sets me apart.…I was previously working in Detrack system where I help designed and implemented a system to solve Vehicle Routing Problem (VRP) challenges. My solution enabled companies to efficiently plan and assign multiple jobs across multiple drivers, optimizing routes and improving operational efficiency. I am actively learning about large language models (LLMs), Retrieval-Augmented Generation (RAG), and other modern AI techniques. My creativity, resilience and commitment to understand client needs is what sets me apart.

Sek Kun Luke

Back-End Developer, Full Stack Developer, Front-End Developer, +2

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I was previously working in Detrack system where I help designed and implemented a system to solve Vehicle Routing Problem (VRP) challenges. My solution enabled companies to efficiently plan and assign multiple jobs across multiple drivers, optimizing routes and improving operational efficiency. I am actively learning about large language models (LLMs), Retrieval-Augmented Generation (RAG), and other modern AI techniques. My creativity, resilience and commitment to understand client needs is what sets me apart.…I was previously working in Detrack system where I help designed and implemented a system to solve Vehicle Routing Problem (VRP) challenges. My solution enabled companies to efficiently plan and assign multiple jobs across multiple drivers, optimizing routes and improving operational efficiency. I am actively learning about large language models (LLMs), Retrieval-Augmented Generation (RAG), and other modern AI techniques. My creativity, resilience and commitment to understand client needs is what sets me apart.

Available to hire

I was previously working in Detrack system where I help designed and implemented a system to solve Vehicle Routing Problem (VRP) challenges. My solution enabled companies to efficiently plan and assign multiple jobs across multiple drivers, optimizing routes and improving operational efficiency. I am actively learning about large language models (LLMs), Retrieval-Augmented Generation (RAG), and other modern AI techniques. My creativity, resilience and commitment to understand client needs is what sets me apart.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Backend Developer at Symrise Asia Pacific Pte Ltd

August 1, 2022 - March 1, 2025

Sole backend developer on a globally deployed SaaS platform serving 60+ countries across logistics, 3PL, retail, e-commerce and F&B. Designed and developed a VRP routing engine from the ground up using Ruby on Rails and Geopy API integration, replacing a legacy heuristic algorithm to improve scalability and accessibility for a broader user base. Implemented complex routing optimization supporting multi-vehicle constraints; enhanced hierarchical aggregation hash maps and BFS-based grouping; developed and maintained RESTful APIs and backend modules including ePOD, fleet management, route planning, real-time notifications, vehicle checks, and rate cards using Ruby and MongoDB. Authored customer-facing API documentation and maintained unit tests to ensure code quality and production stability.

Manufacturing Supervisor at Baxter International

October 1, 2020 - April 1, 2022

Led independent automated reporting workflows by scripting auto-generated performance reports across daily, weekly, monthly, quarterly, and yearly cycles for management review. Built Tableau dashboards for live monitoring of production KPIs and machine performance across four shifts. Applied data-driven analysis to identify operational bottlenecks and drive continuous process improvements.

Intern, Industrialization and Process Innovation (IPI) at Symrise Asia Pacific Pte Ltd

January 1, 2019 - June 1, 2019

Intern project focusing on CIP optimization. Optimized Cleaning in Place (CIP) process in Spray Bed Dryer (SBD), achieving $9,400 annual cost savings. Projects SyncBuddy, Python, FastAPI, React, TypeScript, Google Gemini, Notion API, Supabase, Docker, Railway.