Milton Ngoc - Backend Engineer

With over 6 years of dedicated experience in software development, I have cultivated a strong foundation in Ruby on Rails. This robust framework has been instrumental in my journey to becoming a versatile full-stack developer. My expertise extends to designing, developing, and maintaining scalable web applications, leveraging the power of Ruby on Rails to deliver efficient and user-friendly solutions. Throughout my career, I have consistently sought to expand my knowledge and stay abreast of the latest industry trends. I am passionate about crafting innovative software that meets the evolving needs of businesses and users alike. My ability to seamlessly integrate front-end and back-end components, coupled with my deep understanding of Ruby on Rails, enables me to deliver comprehensive and high-quality web applications.

Project list

Yojee Limited - Vietnam

Yojee Limited is a cloud-based software as a service (SaaS) logistics platform that facilitates flows of freight movements into a single ecosystem, making the complex process of managing land transport simple and accessible to all players while reducing carbon emissions for a greener planet.

- Implementing BE for platform features using Ruby on Rails framework. - Handling huge requests to track drivers. - Using AWS SQS to implement the async events and improve performance. - Handling concurrency process. - Integrating Elastic Search for query huge records. - Caching by REDIS and memory to speed reduce latency. - Covering feature by Unit test (code coverage 70%). - Brainstorming and analyzing requirements. - Using AWS Lambda to reduce the workload for Backend side.

Technologies: Ruby on Rails, AWS, Elasticsearch, PostgreSQL

Sakani.sa - Saudi Arabia

Sakani.sa is the all-in-one booking land system of Saudi Arabia. The platform offers more than 20 services that were implemented by Ruby on Rails.

- Doing full flow in development such as: figuring out the issues, raising the solutions, improving the performance, can work on both Front-end and Back-end. - Working with with Restful API. - Using Kafka to handle the async events and speed up the application. - Handling background jobs by Sidekiq. - Caching using REDIS and Rails Cacher. - Handling some web security issues (SQL injection, XSS, CSRF, DDOS...) - Improving the performance for code base. - Reviewing code, planning and estimating workloads. - Using Elastic Search to improve query performance. - Communicating directly with clients and presenting solutions - Integrating internal system to third-parties.

Technologies: Ruby on Rails, AWS, Microservices, Angular, Elasticsearch, PostgreSQL

Symphony Creative Solutions - Vietnam

Being involved in full product development cycle of multiples projects, my duties are:

- Improving users experience through Chatbot and apply the Dialogflow for the technique. - Implementing Elastic Search to speed up the web application. - Reviewing code, estimations and onboard new comers. - Preventing attack from outside and some security issues (XSS, SQL Injection, CSRF...)

Technologies: Ruby on Rails, React, Node.js, PostgreSQL

Shout For Good - Vietnam

Shout For Good is a charity platform that enables people to garner support from their friends, family and colleagues to sponsor them while participating in events to raise money for their favorite charity activities.

- Implementing platform features using Ruby on Rails framework. - Using Elastic Search to improve the platform's performance. - Using Jmeter for load testing before each event to prepare the EC2 instances. - Using Lambda as a cloud function to reduce the requests to ShoutForGood servers. - Reviewing code, planning and estimating workloads. - Working with ERB and CoffeeScript to build the web application. - Preventing attack from outside and some security issues (XSS, SQL Injection, CSRF...). - Using load test to predict requests that will come in next events.

Technologies: Ruby on Rails, React, Node.js, PostgreSQL

Project list

Education

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