Ibrahim Towha "samurmaykrr"
Systems Engineer & Fullstack Dev
Python Rust Go TypeScript
Systems Engineer & Fullstack Dev
@Digital Promegranate
Dhaka, Bangladesh
GMT+6
About
Hi, I'm Ibrahim Towha (aka samurmaykrr), a developer who's been coding since I was 10. My passion lies in systems engineering and architecting scalable, robust systems that can handle real-world complexity.
I'm fluent in Python, Rust, Go, and TypeScript, and I absolutely love building with HTMX, HATEOAS principles, and Astro JS. There's something beautiful about the simplicity and power of hypermedia-driven applications and modern web architectures that embrace minimalism over complexity.
"This site serves as my personal portfolio and a space to share my passion for systems engineering and scalable architecture. I believe in building robust, maintainable systems that solve real problems with elegance and simplicity."
Experience
Professional journey in AI research and development.
Digital Promegranate
Current EmployerRemote- ›Architected enterprise-grade multi-tenant e-commerce infrastructure serving 12+ production clients (art galleries and antique dealers) processing 45K+ monthly transactions. Built Python-powered backend orchestrating 50+ reusable widget components with sub-200ms rendering latency. Engineered real-time database synchronization system handling 8K+ daily sync operations with zero data loss through Pub/Sub architecture.
PythonFastAPIJinja2SQLiteMySQLGoogle Cloud Pub/SubHTMXAlpine.jsTailwindCSSAiosqliteAPSchedulerVector Search
Key Achievements
★Architected production-ready Python FastAPI backend with advanced queue orchestration processing 15K+ tasks/week across multiple clients with atomic transaction guarantees and sub-500ms response times. Implemented sophisticated worker pool system with semaphore-based concurrency control handling 12 concurrent jobs per client, achieving 99.4% task completion rate.★Engineered real-time database synchronization microservice using Google Cloud Pub/Sub with intelligent cooldown mechanisms (60s debouncing) that reduced unnecessary syncs by 78%. System handles bidirectional SQLite-to-remote sync for 12 production databases processing 8,400+ weekly sync operations with automatic retry logic and connection pooling.★Designed 50+ production-ready widget system (breadcrumbs, product grids, shopping carts, wishlists, forms, navigation) with JSON-driven Jinja2 templating achieving <100ms server-side rendering. Built comprehensive form system with 20+ field types supporting complex workflows including multi-step validation, file uploads, and conditional logic.★Implemented advanced e-commerce features across 3 production themes (Infinity, Silver, Sapphire) including HTMX-powered dynamic search filtering 5K+ products, wishlist management with real-time updates, shopping cart persistence, and checkout flows. Reduced client-side JavaScript by 85% using hypermedia-driven architecture (HATEOAS principles).★Built enterprise monitoring and scheduling system using APScheduler coordinating bulk operations (12K+ page builds, 3K+ PDF generations monthly) with WAL-checkpoint-optimized VACUUM operations running every 3 hours. Implemented comprehensive logging infrastructure with client-context middleware enabling per-tenant request tracing across distributed systems.★Architected multi-database connection manager with sophisticated connection pooling, write queue serialization preventing SQLite lock disasters, exponential backoff retry logic (5 attempts, 2s max delay), and automatic reconnection handling. System maintains 99.8% uptime across 12 client databases with zero database corruption incidents.★Developed production vector search and full-text search capabilities enabling semantic product discovery across 50K+ inventory items. Integrated specialized SQL functions (concat_ws, sha512_hex) and custom Jinja2 filters supporting complex data transformations in templates.
Safe App
Remote- ›Built developer tooling and backend infrastructure for dispute resolution platform
StripeTinyBirdClickHouseBackend Development
Key Achievements
★Built dev tooling scripts for team productivity★Developed Stripe app base for payment processing★Architected backend with TinyBird (ClickHouse-based) for API data tracking
Freelance (Fiverr & Direct Clients)
Remote- ›Delivered 30+ freelance projects on Fiverr and through direct clients, specializing in Python backend development, REST API design, database architecture, and full-stack web applications. Built production-ready systems for startups, small businesses, and individual entrepreneurs across diverse industries.
PythonFastAPIDjangoFlaskPostgreSQLMySQLSQLiteRedisREST APIsDockerTypeScriptReactNext.jsNode.jsGitLinux
Key Achievements
★Successfully delivered 30+ freelance projects with 100% client satisfaction rate on Fiverr, specializing in custom backend systems, API development, and database design for clients across e-commerce, SaaS, and content management domains.★Built production-ready Python backends with FastAPI and Django featuring RESTful API architectures, JWT authentication, role-based access control (RBAC), and comprehensive API documentation using OpenAPI/Swagger for 15+ client projects.★Architected and implemented database solutions using PostgreSQL, MySQL, and SQLite with optimized query performance, proper indexing strategies, and normalized schema designs. Delivered data migration scripts and backup/recovery systems for multiple clients.★Developed full-stack web applications combining React/Next.js frontends with Python backends, implementing real-time features using WebSockets, server-sent events (SSE), and async Python patterns for responsive user experiences.★Created custom automation scripts and data processing pipelines in Python handling CSV/JSON/XML parsing, web scraping (BeautifulSoup, Scrapy), PDF generation, and scheduled task execution using cron jobs and APScheduler.★Implemented secure payment integration systems with Stripe and PayPal for e-commerce clients, including webhook handling, subscription management, and transaction logging with audit trails.★Deployed applications to production environments using Docker containerization, configured Nginx reverse proxies, set up SSL certificates, and implemented CI/CD pipelines using GitHub Actions for automated testing and deployment.
Projects
View all →Developer Tools
mdtoc-gen
Fast and flexible Rust library and CLI tool for generating and updating table of contents in Markdown files.
sqlite-crypto-ext
SQLite extension providing cryptographic hashing and encoding utilities as native SQL functions.
portcheckers
Go-based CLI for managing ports and processes on development machines with health monitoring.
Latest Articles
View all →curl vs restish: Why You Should Upgrade Your API Testing in 2025
curl has been the default for HTTP requests since forever. restish is what curl should've been for REST APIs in 2025.
· api, cli
sqlite-vec: Vector Search in SQLite That Actually Works
Turn SQLite into a vector database for semantic search, image similarity, and RAG applications. No external services, just pure SQL.
· sqlite, vector-search
sqlean: The SQLite Extension Pack You Didn't Know You Needed
SQLite is fine on its own, but sqlean makes it actually useful for real work. Here's why you should probably be using it.
· sqlite, database
Get in Touch
Have a question or want to work together? Send me a message.