I’m a software engineer with a decade of experience building high-quality digital products ranging from AI-powered platforms and APIs to full-stack web applications. While my strengths lie in system architecture and backend engineering, I also care deeply about crafting secure, intuitive, and aesthetically refined user experiences. I approach every product with an end-to-end mindset — combining technical reliability, thoughtful design, and scalable architecture to deliver solutions built with long-term value in mind.

Davina Leong

I’m a software engineer with a decade of experience building high-quality digital products ranging from AI-powered platforms and APIs to full-stack web applications. While my strengths lie in system architecture and backend engineering, I also care deeply about crafting secure, intuitive, and aesthetically refined user experiences. I approach every product with an end-to-end mindset — combining technical reliability, thoughtful design, and scalable architecture to deliver solutions built with long-term value in mind.

Available to hire

I’m a software engineer with a decade of experience building high-quality digital products ranging from AI-powered platforms and APIs to full-stack web applications. While my strengths lie in system architecture and backend engineering, I also care deeply about crafting secure, intuitive, and aesthetically refined user experiences. I approach every product with an end-to-end mindset — combining technical reliability, thoughtful design, and scalable architecture to deliver solutions built with long-term value in mind.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Work Experience

Founder & CEO at GraceSoft
January 1, 2020 - Present
Founded and led GraceSoft, driving product strategy, technical architecture, and delivery across AI-powered business software including internal workflow systems and client-facing SaaS products.
AI Engineer at StarLIMS
July 1, 2025 - January 31, 2026
Spearheaded AI integration into STARLIMS workflows by designing and implementing a retrieval-augmented generation (RAG) pipeline, embedding GPT-based chatbots for PUB lab technicians, and prototyping an MCP (Model Context Protocol) architecture to connect AI hosts, clients, and servers with STARLIMS databases.
Business Data Analyst (with Distinction) at BCG Rise 2.0
February 1, 2025 - September 1, 2025
Graduated with Distinction, applying SCQ and Pyramid frameworks to solve business cases; designed 2 Power BI dashboards and 3 SQL scripts for data transformation and visualization; conducted peer tutoring in coding.
Cybersecurity Capstone Project at Vertical Institute
August 1, 2024 - September 30, 2024
Assessed a simulated bank, identifying high-risk vulnerabilities and proposing fixes, including HTTPS and AES encryption; created a password system using mnemonic models and outlined an incident response plan for 4 threat scenarios with PDPA/GDPR considerations.
Applied AI for Developers Workshop at Vertical Institute
July 1, 2024 - July 31, 2024
Used ChatGPT to fix 15+ bugs and generate 10+ reusable components, speeding up JS, PHP, and Laravel development by 30%; authored articles on AI-assisted coding with measurable engagement.
UX Design Capstone Project at Vertical Institute
May 1, 2024 - June 30, 2024
Led UX design for a FinTech app; interviews and usability tests reduced task time by 40%; constructed and tested 4 high-fidelity prototypes with 90% user satisfaction.
Associate Systems Engineer at Government Investment Corporation (GIC)
May 1, 2023 - December 1, 2023
Improved WordPress VIP workflows with multiple vendors; simplified SDLC for 4 departments, raising process understanding and tool adoption.
Web Developer at EPOS POS System Singapore
July 1, 2022 - January 31, 2023
Created SOPs to cut dev onboarding by 40% and speed up delivery by 25%; customized 15 WordPress sites with Elementor and JavaScript; deployed client’s payment system.
Web Developer at FirstCom Solutions
July 1, 2021 - June 30, 2022
Produced 22+ e-commerce sites using OpenCart and WooCommerce; managed deployment of 30+ sites with cron tasks; integrated payments into custom Wix checkout; mentored junior devs.
Web Developer at The Shipyard; The Pixel Age; LIV3LY Pte Ltd
November 1, 2015 - May 1, 2021
Implemented 6+ apps in Laravel, Node.js, ReactJS, CodeIgniter, and Angular; delivered social, mobility, and dating platforms; created 4 dashboards and APIs using MySQL, Elasticsearch, and CraftCMS; trained 6 developers and led 2 sprints as Scrum Master.

Education

Bachelor of Science in Game Design at DigiPen Institute of Technology Singapore
August 1, 2011 - September 1, 2014
Diploma in Information Technology at Singapore Polytechnic
January 1, 2008 - March 1, 2011

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Education