🏦 Core Banking Systems · 🔐 Secure APIs · 🤖 Applied AI · ☎️ IVR & Telephony · ⚙️ Backend Architecture

I am a senior software engineer working in the banking and financial sector, with hands-on experience building secure, production-grade systems and applied AI solutions used in institutional environments.

My work spans Core Banking Systems (CBS), security-first backend platforms, AI-driven automation, IVR & telephony systems, and data-processing pipelines, with strong emphasis on reliability, auditability, and compliance.

• Laravel (advanced, modular & package-driven architecture)
• PHP 8+
• ASP.NET Core (enterprise MVC patterns)
• REST APIs, Webhooks
• OAuth2, Mutual TLS (mTLS)
• Python (Django, FastAPI etc.)
• AdonisJS

• Vue.js
• React.js
• React Native
• Inertia.js
• Tailwind CSS

• AI agent development (tool-using, workflow-driven agents)
• Hugging Face models (inference & pipeline orchestration)
• Text generation, classification, embeddings
• Speech-to-Text & Text-to-Speech integration
• Model orchestration with backend services

• Python
• NumPy
• Pandas
• Data preprocessing & transformation pipelines
• Batch & scheduled AI jobs

• FreeSWITCH
• SIP
• ESL / mod_curl
• Google Text-to-Speech
• Speech-to-Text
• AI-driven conversational IVR

• TLS / SSL / PKI
• Custom Certificate Authorities
• Application-level authentication (mTLS)
• DigiCert certificates
• Linux, Nginx

• PostgreSQL
• MySQL
• Object storage (Cloudflare R2 compatible)

• Core Banking Systems (CBS)
• Secure inter-system communication
• Financial dashboards & regulatory reporting
• HRMS & Payroll integration
• AI-assisted automation for enterprise workflows
• Voice-based customer interaction (IVR & AI agents)
• Audit-friendly and compliance-aware system design

• Designed mutual TLS authentication for application-to-application trust
• No user-based authentication; identity derived from client certificates
• Fine-grained permissioning per first-party application
• Used in institutional banking environments

Tech: Laravel, PostgreSQL, OpenSSL, PKI

• Designed AI agents capable of:
  • Tool invocation
  • Decision-based workflows
  • Backend service integration
• Built batch and scheduled AI pipelines using Hugging Face models
• Integrated AI outputs into production systems (APIs, IVR, reports)

Tech: Python, Hugging Face, NumPy, Pandas, AI APIs

• Built IVR systems using FreeSWITCH
• AI-assisted call flows driven by backend logic
• Integrated Speech-to-Text and Text-to-Speech
• Supports Bangla and English voice prompts

Tech: FreeSWITCH, Laravel, Google TTS, AI APIs

• Developed dashboards for:
  • Account opening/closing
  • Loan and WCL tracking
  • Deposits and disbursements
• Designed with auditability and regulatory reporting in mind

Tech: Laravel, Vue.js, PostgreSQL

• Automated DOCX and PDF generation
• Built Bijoy / SutonnyMJ → Unicode Bangla converters
• Browser-based and backend implementations

Tech: PHP, JavaScript, Python

• Core Banking Solution (CBS) design
• Secure API authentication (mTLS, PKI)
• AI agent architecture & orchestration
• Hugging Face pipelines & data processing
• FreeSWITCH & AI-powered IVR
• Backend modernization (PHP → .NET)

• 📧 Email: wovosoft@gmail.com
• 🐦 Twitter: https://twitter.com/narai_adhikary
• 📘 Facebook: https://facebook.com/narayan.adhikary
• ✍️ DEV.to: https://dev.to/wovosoft
• 👨‍💻 GitHub: https://github.com/wovosoft

⚡ Philosophy

In regulated systems, AI is not magic — it is engineering, discipline, and responsibility.