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Imrul Kais Khan

@imrulkaiskhan

Senior full-stack engineer who built Pronto Pilates’ booking and subscription platform serving 37K+ users and handling 5K+ daily bookings.

Bangladesh

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At Pronto Pilates, I built a global booking and subscription platform serving 37K+ users across Australia, the US, and New Zealand, handling 5K+ daily bookings. I also developed subscription lifecycle automation and an admin dashboard for monitoring users, support operations, credit adjustments, and analytics.

At MeldCx, I led backend development for the mHotel platform, integrating with multiple property management systems and building self check-in and check-out. I also strengthened payment security with Shift4 and encrypted credit-card attachment to reservations.

Earlier, I developed backend systems and AWS infrastructure for CarBangla, scaling to 100K requests per day, and worked on a Google Cloud data pipeline at Bitstrapped. My work spans Node.js and TypeScript services, cloud infrastructure, and data pipelines, including training in Google Cloud, Docker, and Kubernetes.

Experience

Work history, roles, and key accomplishments

Senior Fullstack Engineer

Pronto Pilates

Jan 2024 - May 2026 (2 years 4 months)

Built a global booking and subscription platform serving 37K+ users with 5K+ daily bookings. Designed subscription lifecycle automation and analytics pipelines, and provisioned AWS infrastructure with CI/CD.

NodeJS TypeScript NestJS React Next.js PostgreSQL AWS EC2 RDS PM2 GitHub Actions CI CD Segment Mixpanel Snowflake Growthbook SOLID Principles Design Patterns

Senior Fullstack Engineer (Backend)

MeldCx

Aug 2022 - Jul 2023 (11 months)

Led backend development for the mHotel platform, integrating with Property Management Systems and building a self check-in/check-out system. Strengthened payment security with Shift4 and developed a reusable frontend payment library.

Backend Development API Integration Payment Security SHIFT4 JavaScript Frontend Development Property Management Systems

Intermediate Fullstack Engineer

Bitstrapped

Jan 2022 - Jul 2022 (6 months)

Provisioned Google Smart Factory 4.0 to Boston Dynamics Cloud using Terraform and enabled real-time data transmission from Spot Robot via PubSub. Developed Python image processing and conducted R&D on Airbyte ETL.

Terraform Google Cloud Platform Pub Sub Python Airbyte ETL Docker Kubernetes BigQuery SQL DBT

Fullstack Engineer

BrainStation-23

May 2020 - Dec 2021 (1 year 7 months)

Engineered a fintech application linking banks in the USA and Mexico. Translated designs into ReactJS frontend, documented APIs with Swagger, and wrote unit and integration tests.

React Swagger Unit Testing Integration Testing Project Management Mentorship

Fullstack Engineer (Backend)

CarBangla

Nov 2018 - Mar 2020 (1 year 4 months)

Developed ride-sharing backend and AWS infrastructure, scaling to 100K requests/day. Implemented payments, OAuth, email verification, and REST APIs, and built React/Redux frontend with PWA support.

NodeJS AWS EC2 RDS S3 PayPal OAuth REST APIs React Redux PWA Service Workers Nginx MQTT MongoDB CI CD Terraform

Junior Node.js Engineer

Korbyt

Feb 2018 - Oct 2018 (8 months)

Developed a digital signage app using ElectronJS for embedded Windows machines, adding features for rendering animations, ads, videos, and slideshows. Designed a real-time communication portal using ElectronJS and Socket.IO.

NodeJS ElectronJS Windows APIs Socket.IO Laravel PostgreSQL