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.