Senior Software Engineer, Software Development, Product and Technology, bKash Ltd.
Former Mobile Application Engineer, Programming Hero.
Former Graduate Teaching Assistant, North South University, Dhaka, Bangladesh.
Interested fields: Machine Learning, Backend Engineering, Cloud Computing & Distributed Systems.

Howdy! I'm Tanjim, a results-driven Software Engineer and Researcher with a proven track record of architecting and developing large-scale distributed systems that power mission-critical services. My expertise spans backend technologies, cloud computing, and mobile application development, strongly focusing on building resilient, high-performance solutions that drive business growth and scalability.

I hold a Bachelor’s degree in Computer Science and Engineering from North South University (NSU), specializing in Artificial Intelligence with a minor in Computer Networks and Software Engineering. Beyond software development, I am actively researching cutting-edge machine learning applications and have published impactful academic papers at renowned international conferences and journals.

{
  "languages": ["Java", "Golang", "JavaScript", "Python", "C++", "Kotlin"],
  "development": ["SpringBoot", "Gin", "NodeJS", "SOAP", "JWT", "ORM", "Distributed Systems"],
  "database": ["MySQL", "PostgreSQL", "Firebase", "SQLite", "Cassandra", "Oracle", "Elasticsearch", "DynamoDB"],
  "devops": ["AWS", "GCP", "Private Cloud", "Docker", "Kubernetes", "Jenkins", "Ansible", "F5", "Helm", "Terraform"],
  "app_dev": ["Android Native", "Kotlin Multiplatform", "Flutter"],
  "sqa_workflow": ["Git", "Jira", "JUnit", "Selenium", "Postman", "Mockito"],
  "ai_tools": ["Keras", "TensorFlow", "PyTorch", "Scikit-learn", "Weka"],
  "others": ["Angular", "VueJS", "Material UI", "Prometheus", "Grafana", "Redis", "Kafka", "RabbitMQ", "CDC", "VAPT", "Linux", "Shell Scripting"]
}

• Enterprise Microservice System with Golang - Production-grade microservice architecture with JWT auth, PostgreSQL + Redis, rate limiting, circuit breaker, Prometheus metrics, Nginx gateway, Swagger docs, and Dockerized deployment.
• Notification Platform - SMSC Gateway for bKash Limited - Built a loosely coupled notification platform using Java Springboot for SMS, Email, and Push. Used Kafka-based scheduling and prioritization, Kubernetes deployment, and CI/CD on GKE to replace third-party licensing dependency.
• Cloud Data Container - Spring Boot with AWS - Architected a microservice-based CRUD system with BST-backed retrieval and dynamic programming-based memory optimization.
• Interactive Photo Gallery MVVM - Android App - Open-source Android app using MVVM and Clean Architecture with OpenAPI integration, graph traversal for dynamic rendering, and release automation via Fastlane + GitHub Actions.
• Real-Time Conversational AI Bot - Built multilingual (including Bengali) deep learning chatbot with Trie/HashMap optimization and BERT-based semantic analysis, reducing token lookup time by 45%.

• Lip Reading Bengali Words - ACM International Conference on Algorithms, Computing and Artificial Intelligence (2022)
• Application of Fuzzy Logic on CT-Scan Images of COVID-19 Patients - International Journal of Intelligent Information and Database Systems (2021)
• Application of Data Mining Techniques on Air Pollution of Dhaka City - IEEE Intelligence System (2020)
• Forensic Analysis of Bangla Handwritten Letters - ACM ICCCM Conference (2020)

• Participate in coding challenges and contests (LeetCode, Codeforces, HackerRank)
• Perform code reviews and mentor junior developers
• Engineered software solutions for MarsEx at NSU for the Indian Rover Challenge (IRC 2019)
• Write technical and research blogs at towardsharing.com
• Active in open-source projects and developer forums including Stack Overflow

• 2023 - Innovative Project Award, bKash Ltd. (Integrated Disbursement Solution)
• 2022 - Certified Payment Industry Security Implementer - Developer (CPISI-D)
• 2021 - Certified in DevOps, AWS Solutions Architect, and Kubernetes (Coursera)
• 2020 - Presented a paper at IEEE Intelligence System Conference, Verna, Bulgaria (Online)
• 2019 - Runner-up at Hack_NSU Hackathon (30+ university teams)

• Love Traveling, Playing Piano, Gardening, and Nature Photography
• Addicted to clean code, coffee, Coke, and continuous learning
• Anime lover, Movie buff, and techFreak forever