Senior Backend & Full-Stack Engineer
Enterprise applications: backend services, REST APIs and data-intensive systems in .NET with C# and in Java with Spring Boot, with React and Angular front-ends, and applied AI in production.
9 years across e-commerce, healthcare, compliance, and public-sector platforms. Based in Germany.
SpireWiz · AI-powered upgrade automation for Optimizely Configured Commerce, putting the OpenAI Platform API into three-way merge conflict analysis.
.NET C# OpenAI Platform API
National-scale public platforms · Java and Spring Boot services behind Bangladesh's national skills-certification platform, used by 100,000+ providers, assessment centres and workers, and a countrywide telemedicine contact centre serving 30M+ rural residents. I architected the certification backend and led the 8-10 engineer team.
Java Spring Boot Spring Security Kafka PostgreSQL Angular
OpalSpark · A .NET framework for building AI tools on Optimizely Opal: attribute-based tool discovery, configuration-driven authentication, health checks, rate limiting and request tracing. Shipped a Configured Commerce order-history tool on it and a proof-of-concept Opal to Sitecore integration.
.NET C# Optimizely Opal MCP
Election-data platform · 340+ client organisations in Bangladesh, in production 2021 to January 2026. I designed, built, and ran it: an OCR and LLM document pipeline over a 65M-record database, served by two Angular SPAs on Kubernetes.
.NET PostgreSQL RabbitMQ Kubernetes Angular
| Before | After | ||
|---|---|---|---|
| AI-augmented migration | 200-hour estimate | 90 hours | 55% faster |
| Document batch pipeline | 40 minutes | 5 minutes | 88% faster |
| Unstructured-PDF data entry | ~3 hours | ~20 minutes | 89% faster |
At scale: 25+ upgrades automated a year, 600+ developer hours reclaimed, 230,000+ PDFs and 177M+ records processed, ~20M searches in a 15-day national-election window.
| Category | Technologies |
|---|---|
| Java & JVM | |
| .NET & APIs | |
| Frontend | |
| Node & TypeScript | |
| AI & LLM | |
| Cloud & DevOps | |
| Data | |
| Architecture |
- Microsoft Certified: Azure Fundamentals (AZ-900) · verify
- Optimizely Opal Tools Certified 2025 · verify
- Contributor to CurrentDT-mcp, an MCP server giving AI assistants real-time date and time access, published on npm.
"Code with clarity. Architect with vision. Deliver with confidence."