Leonard Sim
Senior Full Stack Engineer
E -
q https://github.com/darkhorse941019
Singapore, Singapore
-q https://hackerrank.com/profile/darkhorse941019
EXPERIENCE
SUMMARY
Senior Full Stack Developer
Full Stack Engineer Experienced Full Stack Engineer
with 8+ years of expertise in designing, developing,
and deploying web applications.
Proven expertise in system testing, involving process
development, automated testing, diagnostics, and
root-cause identification.
Committed about staying up-to-date with the latest
trends and best practices, and continuously
expanding my skills to tackle complex challenges.
Andela
04/2022 - 05/2024
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Developed and maintained full-stack web applications using technologies like
JavaScript, Python, Ruby, Node.js, Django
Established automated deployment pipelines across AWS and Azure
ecosystems, enhancing deployment speed by 60% and enabling the team to
push updates to production every three days instead of bi-weekly.
Mentored junior developers and contributed to knowledge sharing within the
Andela community
Stack: Angular, Django, Node.js, React, Ruby
Full Stack Developer
GoGoGrandparent
06/2020 - 01/2022
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Designed 30+ new software solutions by analyzing system performance
standards.
Integrated existing software into 13 upgraded, modified systems for higher
performance.
Analyzed and executed 200+ test procedures for software components.
Stack: React.js, ASP.NET, MongoDB, AWS
LANGUAGES
English
Proficient
EDUCATION
Bachelor's Degree of Computer Science
Nanyang Technological University
09/2012 - 08/2016
Blockchain Developer
SKILLS
Digitalax
Languages
Sngapore
09/2018 - 03/2020
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Engineered a robust API infrastructure for a high-profile NFT marketplace,
facilitating the seamless exchange of over 40,000 NFTs and driving a monthly
transaction volume increase of 20%
Implemented comprehensive smart contract audits and security measures
that led to the platform's recognition as one of the most secure in the
industry, with zero breaches or exploits reported
Collaborated with cross-functional teams to integrate blockchain technology
into traditional web applications, which expanded the company's service
offerings and resulted in a 15% increase in B2B partnerships
Stack: Python, Django, Solana, Solidity
Full Stack Developer
CreditCapital.io
10/2017 - 07/2018
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Accelerated real-time data access by customers to 97% through a NodeJS
web app
Tripled return customer rate to 66% by installing a web app to allow data
transfer in CSV files
Improved bug detection to 99%, reducing customer complaints to less than
10 weekly
Stack: Node.js, Angular, PostgreSQL, Jest, Enzyme
Front End Developer
Ram Technologies
JavaScript / TypeScript
PHP/Java/Python
Ruby / Go / Solidity / Rust
Frameworks & Libraries
React.js / Vue.js / Angular / Next.js / Nuxt.js
Ember.js / Backbone.js / Svelte.js / Gatsby
React Native / Flutter / Ionic Framework
Laravel / Express.js / Nest.js / GraphQL
Node.js / Django / Spring / RoR / .NET
Keras / PyTorch / Tensorflow / NumPy
Etherum / Web3.js / Ether.js
WebGL / Three.js
AWS / Microsoft Azure
11/2016 - 08/2017
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Successfully launched a customer management dashboard that improved
data accessibility and user engagement by 30%
Enhanced application load time by 25% through performance optimization
techniques
Received positive feedback from users for the intuitive design and
functionality of the application
Coordinated efforts with backend developers to ensure efficient API
integration with the customer service system, which streamlined operations
and reduced manual data entry by 200 hours per month for the support
team.
Stack: React, Redux, PostgreSQL, Material UI
www.enhancv.com
Google Cloud Platform / Heorku / Vercel
Databases
SQL / NoSQL
Redis / Firebase
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