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lamjun kai
Web & BlockChain Engineer
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lamjun kai

Web & BlockChain Engineer
I am a senior web and blockchain developer with extensive experience in building scalable, high-performance applications. With a strong background in both frontend and backend development, I specialize in creating secure and efficient blockchain solutions, smart contracts, and decentralized applications. I have worked with various blockchain technologies, including Ethereum, Solana, and Binance Smart Chain, while also being proficient in modern web frameworks like React, Next.js, and Node.js. My focus is on delivering high-quality, optimized solutions that drive business success. I am always eager to take on new challenges and push the boundaries of innovation in the web and blockchain space.
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mayven studios
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Singapore University of Technology and Design
新加坡共和国
United States・Taiwan・Republic of the Philippines・Hong Kong S.A.R・Japan・People's Republic of China・Canada

Featured Resume

Uploaded on Mar 25th 2025

Professional Background

  • Current Status
    Unemployed
  • Profession
    Software Engineer
    Blockchain Platform Engineer
    Web Developer
  • Fields
    Computer Networking
    Software
    Blockchain
  • Work Experience
    6-10 years (6-10 years relevant)
  • Management
    I've had experience in managing 1-5 people
  • Skills
    C++ Language
    C#
    Golang
    Backend Development
    MERN Stack
    python
    Vue.js
    Laravel
    Rust
    Solidity
    web3.js
    solana
    Polygon
    Git
    C++
    SQL
    PHP
    Machine Learning
    PyTorch
    tenslow
    ChatGPT
    AI Image Generator
    AI & Machine Learning
    NumPy
  • Languages
    English
    Professional
  • Highest Level of Education
    Bachelor

Job Search Preferences

  • Current Status
    Ready to interview
  • Desired Job Type
    Full-time
    Remote Only
  • Desired Positions
    Software Engineer
  • Desired Work Locations
    Vietnam
    United States
    Taiwan
    Kingdom of Saudi Arabia
    Hong Kong S.A.R
    People's Republic of China
    United Arab Emirates
    Macao
    Khmer Republic
    Kingdom of Thailand
    Republic of the Philippines
  • Freelance
    Full-time freelancer

Work Experience

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Software Engineer

Sep 2020 - Mar 2024
3 yrs 7 mos
-Transformed a monolithic architecture into a microservices-based system using the Play Framework, significantly improving scalability and performance by 15% in the processing of electricity demand, procurement, and generation sales plans. - Engineered robust APIs using Scala and Slick ORM, seamlessly integrating Play Framework components with Akka for real-time processing of power plant and battery data in the electricity management system. - Developed system-level software for microservices-based APIs using Scala and Akka HTTP, enhancing the efficiency and performance of power plant and battery management systems. - Architected backend services and APIs with Scala to effectively handle real-time data processing and ensure smooth integration with frontend applications, leveraging the strengths of the language for concurrent processing. - Implemented project builds and dependency management using sbt, ensuring consistent, reliable, and optimized deployments for all Scala-based applications. - Managed reactive programming paradigms with Akka Streams to process and manage asynchronous data streams from power plants and batteries, enhancing the system’s real-time data handling capabilities and overall responsiveness.
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Functional Programming Engineer

SEWN
Part-time
Mar 2018 - Mar 2022
4 yrs 1 mo
-Leveraged Scala and the Play Framework to engineer scalable backend services, ensuring high-performance and maintainable code for patient and hospital management systems. -Engineered highly concurrent and distributed microservices using Akka, enabling efficient processing of healthcare data and improving system resilience and fault tolerance. Developed database interactions with Slick ORM, optimizing type-safe, functional access to PostgreSQL and MySQL databases, leading to a 20% increase in query performance for patient records and hospital data management. -Implemented high-performance backend services using Java Spring Boot and Spring MVC, ensuring seamless interaction with PostgreSQL and MySQL databases for patient and hospital management. -Facilitated seamless communication between microservices using Spring Integration, enabling efficient handling of healthcare data and improving overall system responsiveness.

Education

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Bachelor of Science (BS)
Computer Science, Software Engineer
2011 - 2015

Licenses & Certifications

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Blockchain Developer Certification

Blockchain Council
Credential ID: BC-2037-1904
Issued Jan 2023
No Expiration Date