Java Development Intern — Codveda Technologies (Aug 2026 – Present) Contributing to Java-based software projects covering development, testing, and maintenance, with a focus on production-quality standards.
- Building production-grade AI microservices (hybrid rule-based + LLM architectures)
- Fine-tuning small language models (LoRA/QLoRA) for domain-specific reasoning
- Bilingual (Bangla/English/Banglish) NLU and offline-first PWAs
- Edge computing with Cloudflare Workers, Workers AI, and Vectorize
- Secure authentication with JWT and Better Auth
- Production-grade discipline — 300+ tests, CI/CD, documentation, observability
- Spring Boot 3 & Spring Security 6 — hands-on enterprise development
- Full-Stack Web Development — React, Next.js, Node.js
- AI & Machine Learning — Ollama, LLM Integration, RAG Systems
- System Design — Distributed Systems, Microservices, Event Sourcing
2nd Place (Preliminary Round) — bKash presents SUST CSE Carnival 2026: Codex Community Hackathon Out of 750+ registered teams nationwide, Team The Bug Busters (Metropolitan University) secured 2nd position and a spot in the Top 50 Main Arena, competing for a 22 Lac+ BDT prize pool. Built QueueStorm Investigator in 4.5 hours — a safety-first, deterministic AI microservice for bKash that classifies and triages customer complaints written in Bengali, English, and Banglish, with a hybrid rule-based + LLM architecture, prompt-injection and phishing guardrails, evidence matching, structured logging, and idempotency caching, deployed as a production FastAPI service with full OpenAPI docs.
Final Round — bKash presents SUST CSE Carnival 2026: Codex Community Hackathon Advanced to the final round with LiquiGuard / iquiGuard — an enterprise-grade, multi-provider liquidity command center featuring real-time 12-minute rolling EWMA forecasting, anomaly detection, and an indexed 60-day PostgreSQL historical analytics layer with live transactional SSE streaming. This project later evolved into WalletSync.
Finalist — PSTU National Hackathon 2026 Built PSTU Wallet, a multi-provider mobile money movement and balance-tracking system (bKash, Nagad, Rocket).
Frontend
Backend
AI / ML
Database
Auth & Security
Cloud & DevOps
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CENDRIX AI Next-gen intelligent learning platform with an IDE-grade editor, side-by-side LLM benchmarking, D3.js visualization lab (mind maps, algorithm visualizer, math plotter, code trace), and a 3-tier resilient inference architecture (Cloudflare → OpenRouter → Pollinations). Includes a custom QLoRA fine-tuned TinyLlama model. |
LiquiGuard / iquiGuard Enterprise-grade, multi-provider liquidity command center built for the SUST CSE Carnival 2026 final round. Features real-time 12-minute rolling EWMA forecasting, anomaly detection, and an indexed 60-day PostgreSQL historical analytics layer with live transactional SSE streaming. |
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PSTU Wallet Multi-provider mobile money movement and balance-tracking system (bKash, Nagad, Rocket) built as a finalist project for the PSTU National Hackathon 2026. WalletSync Consumer-facing multi-provider mobile money balance viewer, evolved out of the LiquiGuard/iquiGuard SUST project — now has a persona-aware fee calculator, festival spending forecaster, and spending-insights dashboard with full Bangla localization. |
Rentify — AI Car Rental System Java 17 + Spring Boot 3 car rental platform with a live, data-grounded AI assistant. Context-injection architecture queries the database in real time so answers reflect actual fleet, pricing, and revenue — zero hallucinated numbers. |
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Healthcare Triage AI Offline-capable, bilingual (Bangla/English) PWA for rural community health workers. Features voice intake, automated vitals anomaly detection, prescription OCR, and adaptive LLM triage routing. |
QueueStorm Investigator Safety-first, deterministic AI microservice built for the bKash SUST Hackathon preliminary round. Parses free-form customer complaints (English/Bengali/Banglish) into structured triage data using a hybrid rule + LLM architecture, with prompt-injection and phishing guardrails. |
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Cognexa AI Authless, zero-signup AI chat assistant and voice playground. Monorepo with a FastAPI backend, fallback provider chain, local document extraction (OCR/PDF), and a glass-morphic React SPA. |
JARVIS-MK1 Cascading multi-model voice assistant with OpenRouter/Gemini/Grok/Ollama routing and a TTS pipeline. |
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Nocta Glassmorphic, single-HTML-file local Ollama chat interface, developed into an MIT-licensed open-source project with a full voice pipeline. |
OpenHospital RMS Hospital resource and patient workflow management system, built with a Supabase (Postgres) backend, Spring Boot API, and a Vite frontend. |
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Coffeeshop E-Commerce High-performance, viral-aesthetic coffee shop e-commerce platform with smooth motion design, AI-powered features, and an edge-optimized RAG system. Built with Vite, deployed seamlessly across platforms. |
Cake E-Commerce Website Premium artisan cake ordering platform for a home-based cake studio, built with React, TypeScript, and Tailwind CSS, with WhatsApp checkout integration. |
Reach me at bikashtalukder040@gmail.com