SAMANDAREO

Backend Engineer

IncTec • Tiempo completo

Nov 2025 - Present • 6 mos

Contributing to the development and scaling of a core service within an AIOps platform. • Working with large-scale data using MongoDB, focusing on efficient data handling and processing. • Developing authentication and authorization services to support secure access. • Improving system performance by optimizing MongoDB aggregation pipelines and reducing response times.

Full Stack Developer

Fiverr • Freelance

Mar 2025 - Present • 1 yr 2 mos

Project: Quick Brand • Maintaining 10,000-50,000 online users in Livechat using Map. If it exceeds that, Redis is ready. • Enforced strict authorization checks on CRUD operations (admin-only for sensitive endpoints), minimizing unauthorized data modifications projected to lower risk of privilege escalation by at least 80%. • Modularized error handling and consistent response patterns, which lead to more accurate troubleshooting and reduce average time to resolution by 25%. • Mongoose schema validations and the unique indexes used reduce the risk of database inconsistencies by approximately 80% compared to unvalidated models. Project: ZerosWallet • I added new features to a project with over 3.5 million users. • By optimizing the API, I reduced redundant requests. • By improving SQL queries(JOIN, INDEX), I reduced redundant queries to the database. • Redesigned NFT & Badge pages, leading to measurable increases in user conversion.

Full Stack Developer

Local Market • Freelance

Aug 2024 - Apr 2025 • 8 mos

The Wolf Bot - Sales funnel automation -Automated customer communication, saving over $1000 by replacing paid platforms with free Telegram-based solutions. -Boosted productivity and sales by automating repetitive tasks, eliminating up to 4 hours of daily manual labor. -Enhanced customer engagement through bots capable of 24/7 communication, surveys, and request handling. Alisher Isaev Bot(Milliard) - Sales funnel automation -Automated customer communication, saving over $2000 by replacing paid platforms(Make) with free Telegram-based solutions. -Enhanced customer engagement through bots capable of 24/7 communication, surveys, and request handling. -Convenient customer management. Admin panel with full control over the Telegram bot. -Providing operators with quality leads by screening leads. Cleanera - Cleaning & Babysitting services -Built a fully free Telegram-based customer application system (zero backend cost). -Developing complex functions without a backend on the frontend using library. -The website is made more appealing to the customer with the help of animations. Craftily- Small e-commerce project -Developed and maintained a RESTful API for an e-commerce platform, enabling efficient management of products, orders, and users. -Collection pipelines have been implemented for monthly revenue and user growth statistics, which provides real-time analysis and increases the speed of report generation by approximately 40%. -Introduced JWT-based authentication and strong AES encryption for user passwords, which could reduce unauthorized access attempts by over 90% compared to plaintext or basic hash storage.