- Managing network inventory, generating rides, and managing vehicle circulations for Flixbus and Flixtrain network in 38 countries on 4 continents.
- Created own navigation system for the bus drivers in the FlixDriver app to serve 500k rides per year.
- Built lost and found reporting system right in the FlixDriver app to handle 60k lost baggages per year.
- Used: PHP, Symfony, Java, React Native, Kafka, SQS, MySQL, Docker, AWS, Kubernetes, Gitlab CI, React, TypeScript, etc.
December, 2019July, 2019
- Created a multi-currency payment system from scratch to adopt new payment gateways for faster growth in multiple countries.
- Leading the team, responsible for financing, payment and GDPR compliance.
- Used: PHP, Phalcon, Symfony, MySQL, RabbitMQ, Redis, AWS, etc.
June, 2019May, 2018
- Working on the Autoteile team to develop and maintain tires, car parts, and insurance portal for more than 10 million customers.
- Used: PHP, Symfony, MySQL, Doctrine, React, Elasticsearch, etc.
April, 2018May, 2016
- Created a digital healthcare solution that serves affordable health services (medications, information, insurance, etc.) to more than 5.5 million people.
- Managed a team of 4 developers, 3 interns, 1 QA, and 1 DevOps.
- Created high traffic SMS gateway to serve 3000 req/s and enable other apps to communicate through SMS via HTTP.
- Created full-fledged content management system for distributing healthcare information towards 10 million people.
- Created custom tool for queue management, monitoring and report generation.
- Created fraud detection engine to automatically detect upto 78% fraudulent insurance claims.
- Used: PHP, Laravel, Lumen, Node.js, Express.js, PostgreSQL, Docker, AWS, Ansible, Angular, XMPP, etc.
April, 2016February, 2015
- Creating the Rx71 health service, which includes Health articles, symptom checker, doctor and hospital directory with booking, diet plan services, etc.
- Manage a team of 6 developers, 2 SQA and, 1 DevOps, play the role of interim CTO for 3 months.
- Used: PHP, Laravel, Lumen, WordPress, MySQL, Angular, IonicJS, socket.io, etc.
January, 2015September, 2013
- Building VoIP calling app for both native Android and iOS operating systems.
- Creating web GUI for maintaining Asterisk PABX server.
- Creating airplane entertainment module for SAP-212 hardware device to enable call, email, and web browsing.
- Used: PHP, CodeIgniter, Android SDK, Objective C, Angular, Asterisk, etc.
August, 2013February, 2011
- Write and manage codebase, database, product design, and handle clients.
- Creating full-fledged telemedicine software for supporting custom hardware to provide quality health care in rural areas.
- Used: PHP, MySQL, Redis, jQuery, bootstrap, etc.
- PHP, Python, Node.js, Java
- Laravel, Symfony, ReactJS, VueJS
- Microservices, REST
- Agile, Scrum, Kanban
- PostgreSQL, MySQL, SQLite, MongoDB, Redis, Elasticsearch
- Kafka, Beanstalkd, IronMQ, RabbitMQ
- PHPUnit, Pest, PHPSpec, Codeception, Behat, Jest
- Nginx, Apache
- Amazon AWS(EC2, S3, RDS, SQS), Google Cloud Services
- Git, SVN
- DDD, TDD
- Docker, Kubernetes, Jenkins, Ansible
- President, Society of ICT
- Chief Organizer of 1st MBSTU ICT Fest
- Member, Rotary Club of MBSTU
Books and Publications