Mohd Shoaib Rayeen

Senior Software Engineer

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.

I have experience in designing 🔗 robust APIs, 🏗️ microservices, and 📩 queue-based architectures while working with ☕ Spring Boot, 💻 Java, 🐘 PostgreSQL, 🚀 Apache Pulsar, and ⚡ Redis. My work also extends to 🧠 LLM-based AI integrations, optimizing workflows for 📜 contract intelligence, 🏷️ metadata extraction, and 🤖 automation.

🚀 Passionate about AI-driven automation, distributed computing, and building scalable backend systems!

💡 Feel Free to Contribute in Programmers Community managed by Me!

🚀 Experience

🏢 Sirion — Senior Software Engineer

📅 August 2021 - Present

• 🧠 Developing AI-powered Auto Extraction systems for 📜 clause, 🏷️ metadata, and 📄 obligation extraction from contract documents.
• 🏗️ Designed and implemented 📩 queue-based architectures and ⚡ bulk processing systems to improve throughput and scalability.
• 🔍 Integrated 🤖 LLM-based Retrieval-Augmented Generation (RAG) models and 🔗 third-party AI services for automated document intelligence.
• 🛠️ Enhanced ⚠️ exception handling frameworks, 📊 dynamic logging, and 📢 alert systems to improve service observability.
• ⚡ Integrated 🦄 ElasticSearch for faster data retrieval and optimized 🐘 MongoDB queries for better performance.
• 💡 Designed and optimized 🏢 microservices using ☕ Java 17, 🛠️ Spring Boot, 🐘 PostgreSQL, 🚀 Apache Pulsar, ⚡ Redis, and 🌀 GoLang.
• 🔄 Improved 📌 async processing and 🛠️ refactored existing services, reducing production and development issues.

🏢 Airtel Africa — Software Engineer

📅 August 2020 - August 2021

• ⚡ Developed and scaled 💰 financial microservices, including 💹 Forex Payment Systems, 🌍 Exchange Management, and 🛠️ API Automation.
• 🏗️ Designed and implemented a 🌍 Foreign Exchange Management System serving 🏦 13 countries using ☕ Spring Boot, 🛠️ Java, 🐘 PostgreSQL, and ⚡ Redis.
• 🔗 Integrated 👤 User Profile Management System into payment workflows to provide seamless 📜 payment history tracking.
• 📊 Developed 📈 dashboard interfaces using 🎨 Angular, 🛠️ Node.js, and 🐘 PostgreSQL to track transactions and country-specific payments.
• 🤖 Automated 🔍 API testing across microservices using ⚔️ Karate, 🛠️ Rest Assured, and ☕ JUnit.

🏢 Housing.com — Software Engineer Intern

📅 January 2020 - July 2020

• 🔄 Redesigned and developed an 📚 FAQ microservice to improve 🔍 SEO and 🏠 property listing search efficiency.
• 🏗️ Created APIs for 📍 geolocation-based search optimization using 🦄 ElasticSearch, 🐍 Django, 🛠️ Ruby on Rails, and 🐘 PostgreSQL.
• ⚡ Reduced 🐞 production and development bugs, improving system reliability.

🎓 Education

🎓 Department of Computer Science, University of Delhi — Master of Computer Applications

📅 July 2017 - June 2020
🏆 First Division - 83.93%

🎓 Hansraj College, University of Delhi — B.Sc. (Hons.) Computer Science

📅 July 2014 - June 2017
🏆 First Division - 88.41%

🔥 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 🌍 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, 🎤 Public Relations

🏆 Positions of Responsibility

• 📢 Amazon Alexa, Amazon — Alexa Student Influencer
  • 📅 March 2019 - June 2020
  • 🗣️ Advocated 🎙️ voice technology adoption through 📚 workshops, ✍️ blogs, and 🛠️ skill development.
  • 🎓 Mentored students in building 🤖 custom Alexa skills.
• 📚 Chegg — Chegg Subject Expert
  • 📅 October 2018 - April 2020
  • 💡 Provided 🔍 in-depth solutions and guidance on 💻 computer science and 🏗️ software engineering topics.
  • 🧠 Assisted students in 📊 algorithm design, 🗂️ data structures, and 🛠️ software development best practices.
• 🎭 Equinox, Hansraj College — Head Organizer
  • 📅 April 2016 - March 2017
  • 🏆 Led 📅 event planning and 🚀 execution for 🔬 technical and 🎯 management fests.
• 📢 Society of General Awareness, Hansraj College — Senior Coordinator
  • 📅 July 2016 - April 2017
  • 📢 Organized 🏛️ awareness campaigns on 🌍 social, 🍃 environmental, and ⚖️ ethical issues.
• 🌱 Haritima, Hansraj College — Senior Coordinator
  • 📅 July 2016 - April 2017
  • 🌿 Led 🌍 eco-friendly initiatives, 🌳 tree plantation drives, and ♻️ sustainability awareness programs.

🗣️ Voice Skills

• 🗨️ Amazon Alexa Skills — Developed custom voice interactions using AWS Lambda and Alexa SDKs.
• 🎙️ Actions on Google — Created AI-driven voice experiences for Google Assistant.

✍️ Articles

• 🚀 How to Start a New Programming Language
• 🎯 How to Prepare for Placement