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Presentation

I create software and web solutions ranging from modern web and mobile applications to desktop tools and custom APIs. I focus on delivering backends that can grow database setups that work reliably deployments and user experiences that are fast and built to stand the test of time.

Expertise includes(not limited to):

Full-Stack Web and E-Commerce:
Custom e-commerce platforms and web applications with fully responsive and beautiful designs.
SEO-optimized code structures, fast page speeds and clean metadata to help websites rank better in search engines.

API Development and Integration:
APIs and secure endpoints that connect front-end applications, with back-end systems smoothly.

Database and Cloud Deployment:
Designing and managing databases and optimizing queries (SQL and NoSQL).
CI/CD, setting up hosting and deploying to production.

Software Testing and QA:
Testing manually and automatically tracking bugs and checking performance before launching the software.

Experiences:
I have experience building the backend system for a ride-sharing app. I took care of everything starting from setting up the database structure to designing the algorithms that make the app work.
I’ve also created desktop applications that are publicly available. These were developed using Windows UI tools as well as modern web-based technologies. The apps focus on design, fast performance and easy-, to-use interfaces. You can find them on my GitHub page.

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Portfolio

1 image

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Offered services

8 services

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Full-Stack Custom Web Application Development

You can expect robust full-stack web applications featuring clean backend integration and scalable architecture. I build optimized, modern web projects using custom code rather than bloated, slow ...

400 $

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Comprehensive Software Testing & QA Debugging

You can expect rigorous manual and automated test passes to identify edge-case bugs, UI defects, and performance bottlenecks. My systematic approach to logic flow ensures your software is ...

90 $

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Custom Process & System Automation Tools

You can expect custom utility scripts and automation tools designed to handle repetitive data tasks and eliminate manual work. My background in system-level scripting ensures your custom tools run ...

100 $

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Responsive Cross-Platform Mobile App Engineering

You can expect responsive, cross-platform mobile application development centered around smooth user experience and performance. I prioritize clean code architecture and fluid UI designs that work ...

200 $

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Custom E-Commerce Storefront Development

I will create a fully responsive, user-friendly digital storefront complete with secure transaction logic and item catalogs. I will also design the database schema and hosting. I build clean, ...

300 $

Database Schema Design & Query Optimization

You can expect clean schema designs, structured database architectures, and optimized SQL queries built for reliability. I will create the database schema comprehensively on my own that is built to ...

125 $

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On-Demand Remote Software Troubleshooting

You will get fast, effective troubleshooting and remote guidance for persistent software bugs, tool setups, or desktop configuration issues. My system-level understanding of desktop frameworks lets ...

28 $ Per hour

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Custom AI Integration & Computer Vision Development

You can expect custom AI scripts, dataset model integrations, or computer vision tools built specifically for your application. My background in algorithm design, object segmentation, and CUDA ...

300 $

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Background

AI Data Annotator Evaluator

RWS TRAINAI · 27/01/2026 – Today

Evaluated AI-generated outputs for quality, relevance, and guideline adherence across multiple multilingual projects.
Performed comparative ranking, transcription validation, and annotation workflows supporting AI training initiatives.
Applied project-specific evaluation frameworks to maintain consistency and data quality.
Completed 180+ evaluation and annotation tasks under deadline-driven production environments.

AI Training Reviewer Contributor

OUTLIER (SCALE AI) · 28/09/2024 – 15/01/2026

Evaluated and improved LLM outputs across reasoning, coding, RLHF, and tool-calling workflows.
Created adversarial prompts and corrective responses to identify model weaknesses and improve response quality.
Reviewed contributor submissions against project guidelines and quality standards.
Performed ranking, scoring, and response evaluation tasks across 580+ production assignments.
Contributed to benchmark-quality datasets used for AI training and model evaluation.

Backend Engineer -Intern

Robo Tech Valley · 21/05/2024 – 15/07/2024

Built RESTful backend services using Node.js, Express, and MongoDB for the DeshDrive platform.
Implemented JWT authentication and Role-Based Access Control (RBAC) to secure API endpoints.
Developed React-based administrative dashboard components to streamline internal operations.
Collaborated on backend architecture, database integration, and API development.

Bachelors in Computer Science and Engineering

Green University of Bangladesh · 2020 – 2025

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LINGUISTIC AI CERTIFICATION TRAINING