Mohd Shoaib Rayeen

Senior Software Engineer

🎯 About Me
I am Mohd Shoaib Rayeen, a Senior Software Engineer specializing in Backend Architecture, AI Integrations, and Scalable Distributed Systems. With expertise in system design, automation testing, and site reliability engineering, I have contributed to building high-performance, resilient, and AI-driven solutions.

💻 Tech Stack: Java | Spring Boot | PostgreSQL | Apache Pulsar | Redis | GoLang | AI & LLM Integrations
⚡ Passions: Scalable Systems | AI-driven Automation | Distributed Computing
🌍 Community: Programmers Community

💼 Experience

🏢 Sirion — Senior Software Engineer

📆 Aug 2021 - Present
🔹 Auto Extraction Team – fetching and processing document data
🔹 Alert Frameworks – integrating exception handling & logging
🔹 Bulk Processing & Optimizations – async flows & Redis caching
🔹 Microservices & API Development – Java 17, Spring Boot
🔹 Monitoring & Performance Enhancement – ElasticSearch, GoLang

🏢 Airtel Africa — Software Engineer

📆 Aug 2020 - Aug 2021
🔹 Developed Payment Systems & Exchange Management services
🔹 Implemented Spring Boot microservices with PostgreSQL
🔹 Automated API testing with Karate & Rest Assured

🏢 Housing.com — Software Engineer Intern

📆 Jan 2020 - Jul 2020
🔹 Redesigned and developed FAQ Microservice
🔹 Worked with SEO optimization for listings

🎓 Education

🎓 University of Delhi - Dept. of Computer Science
📆 Jul 2017 - Jun 2020 | 🏆 MCA (83.93%)

🎓 Hansraj College, University of Delhi
📆 Jul 2014 - Jun 2017 | 🏆 B.Sc. (H) Computer Science (88.41%)

📚 Sachidanand Inter College, U.P. Board
📆 Jul 2013 - May 2014 | 🏆 12th Grade (94.00%)
📆 Jul 2011 - May 2012 | 🏆 10th Grade (87.83%)

🔥 Projects

• Bulk Processor — Spring Boot, PostgreSQL, Pulsar
  • Designed a fault-tolerant system for bulk data processing with context-aware service restart and retry mechanisms.
  • Integrated Pulsar messaging, email notification templates, and Excel download APIs for improved usability.
• ESB, Airtel Africa — Spring Boot, PostgreSQL, Redis
  • Developed transactional and non-transactional APIs for 13 operating countries.
  • Managed production and UAT bug fixes, improving system stability.
• Canza, Airtel Africa — Spring Boot, PostgreSQL, Redis, Angular 9, Node.js 12
  • Built an intuitive Exchange Rate Management UI for multiple countries.
  • Developed APIs to add, update, and manage forex conversion rates.
• Housing FAQ Service — Ruby on Rails, PostgreSQL, Sidekiq, Redis
  • Revamped an SEO-optimized FAQ microservice, enhancing search discoverability.
• Profile Management System — Ruby on Rails, PostgreSQL, ElasticSearch, Sidekiq
  • Developed a team hierarchy and CRUD-based user management system.
• Exchange Management System — Angular 9, Node.js 12
  • Built a UI for managing forex rates across multiple countries.
• API Testing Automation — Java, Karate, JavaScript
  • Automated microservice API testing with reporting capabilities.
• URL Shortener — Spring Boot, Java, MySQL
  • Implemented a long URL shortening service with persistent storage.
• Chatbot — Flask, Python, AIML, JavaScript, HTML, CSS
  • Developed an AI-powered chatbot supporting sports, dictionary, and general knowledge queries.
• Accident Prevention — OpenCV, Python
  • Implemented a drowsiness detection system for driver safety alerts.
• File Transfer Protocol — C
  • Built a socket-based FTP application for secure file transfers.
• Prediction of Heart Disease — R, Shiny
  • Used KNN models to predict heart disease risk based on patient data.
• Website Implementation Using GitHub Pages — HTML, CSS
  • Developed my personal website using GitHub Pages.

🛠 Skills Summary

• Frameworks - Spring Boot, Ruby on Rails, Django, Angular 9, Express.js, Flask, Node.js, GoLang
• Testing - Karate, RSpec, Mockito, Rest Assured, JUnit
• Databases - PostgreSQL, MySQL, DynamoDB, MongoDB, ElasticSearch
• Programming Languages - Java, Python, Ruby, JavaScript, TypeScript, C, C++, R, Shell Script, LEX, YACC
• Job Scheduler, Queue & Caching - Apache Pulsar, Redis, Sidekiq, Aerospike, Amazon S3
• AI & LLM Integration - Retrieval-Augmented Generation (RAG), AI-driven API development
• DevOps & Tools - Kubernetes, Jenkins, Keycloak, Bitbucket, GitHub, SonarQube, Confluence, JIRA, Lens, Mockoon
• Monitoring - Kibana, New Relic (NRM), Grafana
• Others - REST API, Microservice Architecture, Agile Development, Cloud Computing
• Soft Skills - Leadership, Event Management, Time Management, Event Organization, Public Relations

🏆 Achievements

🥇 Awarded by Akhilesh Yadav (Former CM of UP) for Academic Excellence
📆 Aug 2014 | Ranked 17th in Uttar Pradesh (94.00%)

📢 Positions of Responsibility

📝 Articles

📝 How to Start a New Programming Language
📝 How to Prepare for Placement