Cross-Modal Information Retrieval for Healthcare (Tri-Modal)
SIT-NVIDIA Joint AI Center (SNAIC) | Jan 2024 - Present
Developing novel Retrieval-Augmented Generation (RAG) models for cross-modal healthcare information retrieval, advancing multimodal AI capabilities for medical applications.
- Contribution
- Problem framing, system design, cross-modal alignment strategy, evaluation/benchmark planning.
- Impact
- Working research-grade system and evaluation battery enabling measurable iteration on retrieval quality.
PythonPyTorchFAISSVector SearchExperiment Tracking
RAG ClassAid Enhancement with STLA
SIT Teaching and Learning Academy (STLA) / SIT-NVIDIA Joint AI Center | 2024 - Present
Collaborating with the SIT Teaching and Learning Academy to improve RAG ClassAid, a retrieval-augmented assistant supporting classroom teaching and student learning workflows.
- Contribution
- RAG improvement, retrieval-quality review, evaluation thinking, and applied AI translation for teaching and learning needs.
- Impact
- Supports a teaching and learning assistant used by teachers and students across the Singapore Institute of Technology.
Retrieval-Augmented GenerationVector SearchEvaluationApplied AI
Dynamic Pricing Decision Engine (Goal-Driven Pricing)
Chaldal Limited | Oct 2020 - Apr 2025
Pricing must react to market while meeting business goals and operational constraints.
- Contribution
- Strategy rules, objective modes, guardrails, and integration with business workflows.
- Impact
- Faster market response and better control over acquisition pushes while protecting margin.
PythonSQLOptimizationMonitoring
Market Price Intelligence Ecosystem (Multi-Source Collection)
Chaldal Limited | Oct 2020 - Apr 2025
Pricing in Bangladesh requires combining online signals with traditional bargaining markets and vendor updates.
- Contribution
- End-to-end acquisition design, operational process, data quality and freshness standards.
- Impact
- Reliable market pricing signals powering faster and more confident pricing decisions.
PythonETLWeb ScrapingDatabasesValidation
Perishable Demand Forecasting (Peak Volatility Control)
ACI Logistics Limited (Shwapno) | Feb 2020 - Aug 2020
Perishables face extreme volatility; forecast errors create spoilage or stockouts.
- Contribution
- Forecast design, operational integration, and performance tracking.
- Impact
- Improved supply accuracy and reduced spoilage risk during peak volatility.
PythonSQLTime-Series ModelsDashboards
Profitability Control Tower (Margin + Campaign Attribution)
Chaldal Limited | Oct 2020 - Apr 2025
Margin moves due to pricing, promos, supply, and market shifts—teams need one actionable view.
- Contribution
- Profitability KPIs, attribution logic, and executive reporting structure.
- Impact
- More disciplined pricing/promo iteration and clearer visibility into profit drivers.
PythonSQLBI DashboardsKPI Frameworks
Working Capital Efficiency (Inventory Velocity & Cash Roll-Over)
Chaldal Limited | Oct 2020 - Apr 2025
Cash efficiency increases when you convert inventory into sales faster (weekly turns beat monthly holding).
- Contribution
- Velocity metrics, turnover planning logic, scenario simulation for actions.
- Impact
- Better turnover discipline, reduced shelving risk, and improved cash utilization.
PythonSQLData PipelinesDashboards
Bridging Modalities in Tri-Modal Retrieval (Methodology Survey)
SIT-NVIDIA Joint AI Center (SNAIC) | 2024 - 2025
Researching Multimodal Large Language Models (MLLMs) with applications in cybersecurity analytics and social media intelligence.
- Contribution
- Taxonomy, comparison framework, trade-off analysis, and 'what works when' recommendations.
- Impact
- A reusable reference that directly informs implementation choices and thesis-ready narrative structure.
Literature ReviewLaTeXMarkdown
Aging Stock & Sell-Through Optimization (Slow-Mover Strategy)
Chaldal Limited | Oct 2020 - Apr 2025
Some items can't be returned; aging stock ties up cash and increases spoilage/obsolescence risk.
- Contribution
- Aging logic, risk segmentation, and action recommendations (pricing/promo/placement).
- Impact
- Reduced dead-stock risk and improved inventory health and turnover discipline.
PythonSQLInventory AnalyticsDashboards
Bundling Strategy (Average Basket Size & Cross-Sell)
Chaldal Limited | Oct 2020 - Apr 2025
Bundles can improve customer value and profitability when aligned with buying patterns and backend deals.
- Contribution
- Bundle design logic, evaluation, and iteration with pricing/marketing teams.
- Impact
- Higher cross-sell/upsell effectiveness and stronger basket economics.
PythonSQLExperimentationAnalytics
Campaign Analysis & Success Factor Modeling
ACI Logistics Limited (Shwapno) | Feb 2020 - Aug 2020
Campaign metrics often hide the real drivers of success and lead to wrong decisions.
- Contribution
- KPI design, success-factor modeling, and executive reporting.
- Impact
- More reliable marketing evaluation and better campaign planning decisions.
PythonSQLBI Dashboards
Catalog Taxonomy Intelligence (AI Subcategorization & Navigation)
Chaldal Limited | Oct 2020 - Apr 2025
Large catalogs become hard to browse; messy categories reduce discovery and conversion.
- Contribution
- Category strategy, clustering + QA logic, rollout governance for long-term consistency.
- Impact
- Better product discovery, improved navigation clarity, and reduced category noise.
PythonSQLClusteringBI Dashboards