Hi, I'm Ariful Islam, a passionate backend developer with extensive experience in building cost-effective and efficient backend solutions. Over the years, I've had the chance to work on multiple client projects where I’ve implemented real-time architecture using technologies like Kafka and Redis, improving system performance and reducing load significantly. I enjoy working collaboratively with my team to deliver complex engineering projects on time and have hands-on experience with backend technologies like Node.js, Express.js, and MongoDB. I'm always excited to tackle new challenges and contribute to scalable and performant applications.…

Ariful Islam

Hi, I'm Ariful Islam, a passionate backend developer with extensive experience in building cost-effective and efficient backend solutions. Over the years, I've had the chance to work on multiple client projects where I’ve implemented real-time architecture using technologies like Kafka and Redis, improving system performance and reducing load significantly. I enjoy working collaboratively with my team to deliver complex engineering projects on time and have hands-on experience with backend technologies like Node.js, Express.js, and MongoDB. I'm always excited to tackle new challenges and contribute to scalable and performant applications.…

Available to hire

Hi, I’m Ariful Islam, a passionate backend developer with extensive experience in building cost-effective and efficient backend solutions. Over the years, I’ve had the chance to work on multiple client projects where I’ve implemented real-time architecture using technologies like Kafka and Redis, improving system performance and reducing load significantly.

I enjoy working collaboratively with my team to deliver complex engineering projects on time and have hands-on experience with backend technologies like Node.js, Express.js, and MongoDB. I’m always excited to tackle new challenges and contribute to scalable and performant applications.

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Skills

Experience Level

JavaScript
Expert
Node.js
Expert
Express
Expert
MongoDB
Expert
TypeScript
Expert
Redis
Expert
AWS
Expert
Socket.IO
Expert
Docker
Intermediate
Stripe
Intermediate
React Native
Intermediate
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Language

English
Advanced

Work Experience

Backend Developer at BdCalling IT Ltd
May 1, 2024 - Present
Implemented cost-effective backend solutions across multiple client projects, with 3 projects live and others under active development. Enhanced system efficiency by 25% by integrating real-time architecture with Kafka and Redis, reducing database load and latency. Collaborated with the team to deliver complex engineering projects on time and maintained cloud deployments using DigitalOcean and AWS. Developed a subscription-based SaaS platform backend that includes features like tiered subscriptions through Stripe, real-time push notifications for employee tasks, secure login, and role-based access, deployed on DigitalOcean and live on both App Store and Google Play.
Backend Developer at BdCalling IT Ltd
May 1, 2024 - Present
Implemented cost-effective backend solutions across multiple client projects, successfully enhancing a client project by implementing real-time architecture with Kafka and Redis which boosted system efficiency by 25% and significantly reduced database load and latency. Collaborated with teams to deliver complex engineering projects on time while using technologies such as JavaScript, TypeScript, Node.js, Express.js, MongoDB, Redis, Kafka, AWS, Docker, Socket.IO, REST API, and GitHub Actions.
Backend Developer at Not specified
August 1, 2022 - July 15, 2025
Worked on backend development with JavaScript, Node.js, Express.js, MongoDB, Stripe, Push Notifications, Weather API, and DigitalOcean. Built backend for a subscription-based SaaS platform enabling companies to subscribe, manage employees, and track employee tasks via real-time push notifications. Integrated Stripe payments and secure login with role-based access. Deployed the backend on DigitalOcean with live production systems supporting mobile app and web dashboard.

Education

BSc at National University of Bangladesh
October 1, 2018 - August 31, 2022
BSc at National University of Bangladesh
January 1, 2018 - August 31, 2022

Qualifications

BSc in Computer Science and Engineering
October 1, 2018 - August 31, 2022
During my studies, I actively participated in various extracurricular activities, including IT-based problem-solving workshops, university tech events, and inter-university programming competitions. These experiences strengthened my practical understanding of software development, teamwork, and critical thinking.

Industry Experience

Software & Internet, Computers & Electronics, Financial Services, Retail, Telecommunications
    paper Awareness & Task Management Solution (Web & App)

    This is a subscription-based web and mobile application developed for a client in Osan. The platform is designed to guide users with daily awareness tips and work-related activities. It includes features like customer manifests, daily checklists, task tracking, and personalized notifications to help users stay informed and organized.

    As a Backend Developer, I was responsible for implementing all core functionalities, including user management, subscription logic, task APIs, and integration with the frontend team. I collaborated closely with my team to ensure a stable, scalable, and efficient backend architecture

    Here is the Figma link: https://www.twine.net/signin

    here is the website link: https://www.twine.net/signin

    and the app link: https://www.twine.net/signin