5085 NW 7th St, Miami, FL 33126
[email protected]
https://linkedin.com/in/rhsn1 | https://github.com/mrh-jishan

• Extensive Experience: Over 6 years as a Senior Software Engineer specializing in Ruby on Rails, ReactJS, NodeJS, GraphQL, Postgres and AWS.
• AWS Expertise: Developed and maintained scalable cloud-based applications, leveraging AWS services to create efficient and reliable solutions.
• Automated ETL Process: Led the automation of ETL processes and the development of the Pace-Tracker dashboard using Ruby on Rails, ReactJS, and NodeJS, enhancing ad pacing insights and expediting trader decision-making.
• AWS Cost Reduction: Created EC2 instances with SSM and Lambda for daily reporting on using Ruby meta programming and Terraform, significantly reducing AWS costs.
• Legacy Upgrades: Upgraded legacy Rails applications to LTS with Hotwire and Turbolink as part of a comprehensive application modernization and security audit.
• Database Migration: Migrated a multi-model database to Redshift, automating processes with multi-database connections on Rails App to reduce human errors and cutting manual processing time.
• Security Improvement: Developed a rule engine on Terraform to configure IAM roles from Ranger, improving Databricks S3 access security and efficiency.
• Microservices Solution: Delivered a 100% automated solution for customer corporate action letters using Ruby on Rails, ReactJS, NodeJS, GraphQL, and Kafka.
• CI/CD Pipeline: Dockerized a payment application and automated the GitLab CI/CD pipeline, facilitating a smooth migration to OpenShift using Helm and reducing deployment time.
• Cloud-Native Systems: Solid understanding and experience with cloud-native systems, particularly in AWS/GCP environments, contributing to high availability and resilience.
• Crypto-Exchange Project: Developed a Crypto-Exchange project using Ruby on Rails, Angular implementing P2P token transfer and increasing transaction efficiency.

Digilant (ISPD) - Boston, MA
May 2022 - May 2024

• Automated the ETL process to ingest data from Adverity into Snowflake using Ruby on Rails, ReactJS, NodeJS, and AWS.
• Developed a Pace Tracker dashboard using Ruby on Rails, ReactJS and NodeJS.
• Upgraded legacy Rails applications to 7.2 with Hotwire and Turbolink.
• Reduced AWS costs with scheduled EC2 instances using SSM and Lambda.
• Optimized Heroku Jobs cost and improved daily data processing error.
• Migrated Multi-Model database to Redshift and automated processes.

FREE NOW (MyTaxi) - Hamburg, Germany
Jan 2022 – May 2022

• Enhanced Presto cluster deployment on AWS using Terraform and ASG with launch templates.
• Developed a custom rule engine to configure IAM roles from Ranger.
• Developed a monitoring system using Databricks Overwatch and Airflow.
• Implemented Airflow Operators library to enable semantic versioning for Airflow clusters.

Cognizant Technology Solutions - Singapore
Oct 2019 – Jan 2022

• Delivered an automated solution for customer corporate action letters using Ruby on Rails, ReactJS and NodeJS..
• Configured CI/CD pipeline setup on TeamCity jobs using Ansible.
• Worked on CouchDB, ActiveMQ, FTPS, and Kafka for high-frequency data transformation.
• Migrated multiple Spring-Boot applications to OpenShift using GitLab.
• Built a DSL engine for clients to migrate DB2 data.
• Developed a reactive application using Quarkus and Kafka reactive adopter.

Finterra Technologies Sdn Bhd - Kuala Lumpur, Malaysia
Nov 2017 – Oct 2019

• Developed a Full-Stack Crypto-Exchange application using Ruby on Rails, Angular, and AWS.
• Redesigned a crowdfunding portal with lazy loading in Angular.
• Designed microservice architecture and automated CI/CD pipeline on AWS.
• Managed AWS infrastructure and implemented automated CI/CD pipeline for streamlined deployment.

B.Sc. Computer Science
Asia Pacific University of Technology and Innovation - Malaysia
2015 – 2018

• Coding Challenge (Winner) - Asia Pacific University, KL, Malaysia - July 2017
• Hackathons (2nd Prize) - Universiti Kebangsaan Malaysia, KL, Malaysia - May 2017
• Event organizer - APU Math & Science Club, APU - August 2015 – February 2016
• Students enrollment recommendation system using neural network (2018)

• Front-End: JavaScript, ReactJS, React-Query, Redux, Angular, Redux-Saga, SCSS, jQuery, Bootstrap, HTML5, ES6
• Back-End: Ruby, Ruby on Rails, NodeJS, ExpressJS, NextJS
• Database: MySQL, Postgres, Redis, MongoDB, CouchDB, Redshift, Snowflake
• Tools: Git, Nginx, AWS, ActiveMQ, Kafka, Jenkins, Docker, K8S

• Ultimate AWS Certified Developer Associate (Udemy, 2020)
• Certified Kubernetes Application Developer 2020 (Udemy, 2020)
• NgRx (with NgRx Data) - The Complete Guide (Udemy, 2020)
• PyTorch Scholarship Challenge from Facebook – November 2018 – January 2019
• The Complete Angular Course: (Udemy, May 2017)
• Intro to AI: UC Berkeley CS188 (ai.berkeley.edu, July 2017)

• Pace-Tracker: Automated ETL process and developed a dashboard using Ruby on Rails, ReactJS and NodeJS for enhanced advertisement pacing insights.
• Corporate Action: Integration with T24 and TCS Bancs for corporate action processing using Ruby on Rails, ReactJS, NodeJS.
• DSL Engine (ETL): Java and Nashorn based DSL engine to parse text into SQL and JavaScript to process warehouse data.
• myWAQF Chain: Crowdf unding dApp deployed on Hyperledger and Finterra internal consensus engine.
• Crypto-Exchange: Ruby on Rails and Angular implementation of Ethereum and ERC20 token transfer from client to client.