Agent Banking Real-Time Report Portal
A mission-critical financial analytics and reporting portal for nationwide Agent Banking operations. Built with an Angular SPA frontend and Python/Django REST API backend, the platform aggregates high-volume transactions across thousands of rural and semi-urban banking booths.
Real-Time Transaction Ingestion Telemetry
Live graphical charts visualizing deposit, withdrawal, and remittance volumes.
Automated DevSecOps Pipeline
Interactive topology showing continuous integration, security gates, and zero-downtime deployment stages.
Git Push
Protected branch triggers webhook with commit signature verification.
Security Gate
SonarQube SAST analysis and Trivy image scanning for zero-day vulnerabilities.
Docker Build
Multi-stage alpine container compilation producing minimal footprint artifacts.
Cluster Deploy
Zero-downtime rolling canary update with automated reverse-proxy health checks.
Health Telemetry
Prometheus metrics collection, SSL audit check, and real-time alert hooks active.
commit 7f4a218d (HEAD -> main, origin/main) | Author: Md. Kamrul Hasan <devops@mohammadkamrulhasan.com>
gpg: Signature made using RSA key ID 9F84B7E1 - Good signature verified.
Automated CI hook triggered: 18 unit tests passed, zero regressions detected. Proceeding to SAST security gate...
# Connected to Agent Banking Real-Time Report Portal Production Telemetry Node.
# Type or select a command above to query live infrastructure metrics.
$ devsecops-cli inspect --target="agent-banking-real-time-report-portal"
[PASS] Production Image: agent-banking-real-time-report-portal:latest (sha256:7e98a1f4b0)
[PASS] Zero Critical CVEs detected | TLS 1.3 Strict Mode Enforced
[INFO] Target Outlets/Users: 1.5M+ Active
[INFO] Primary Engine: Angular, Python, Django, Celery, Redis, PostgreSQL, Docker, Linux
> Ready for instruction...
Measurable Engineering Impact
Quantifiable system metrics, performance gains, and uptime guarantees delivered in production.
Daily Transactions
Aggregated across rural & suburban agent banking outlets.
Query Speed
Reduced from 15 mins to sub-second via Redis & DB indexing.
Agent Outlets
Active booths relying on continuous financial reporting.
Audit Accuracy
Reconciliation accuracy verified by central compliance auditors.
Key Functional Capabilities
Architectural features built to handle scale, security, and automation.
Sub-Second Aggregate Analytics
Pre-computed materialization and Redis caching reducing 1.5M+ transaction queries from 15 minutes to under 800 milliseconds.
Asynchronous Reconciliation Pipeline
Distributed Celery worker cluster crunching end-of-day balancing and commission settlements in parallel without impacting daytime UI speed.
Multi-Format Audit Export Engine
Streaming PDF, XLSX, and CSV generation supporting million-row banking compliance ledgers without server memory starvation.
Financial Grade Security & Audit Trail
Immutable audit logging for all data queries, IP range restrictions, 2FA administrative access, and HMAC signed API payloads.
Tactical Engineering Deep-Dive
Problem statement analysis and DevSecOps architectural resolution.
The Challenge
With over 1,200 agent banking outlets processing hundreds of thousands of ledger transactions daily, legacy reporting tools encountered severe timeout issues, 15-minute query latency, and delayed end-of-day reconciliation reports required by central bank regulators.
Tactical Solution
Engineered a real-time reactive reporting portal using Angular 14 and Django REST Framework with Celery background worker pools, Redis query caching, database partitioning, and automated batch report exporters capable of generating multi-gigabyte audit reports in seconds.
Key Validated Milestones & Outcomes
System Architecture Specifications
Granular technical specification across delivery pipelines, infrastructure, and governance.
CI/CD Pipeline
- • Automated Git branch review with Bandit AST Python security analysis
- • Unit tests verifying financial ledger consistency calculations
- • Docker containerized deployment with blue/green staging verification
- • Database schema migrations executed with lock-free online DDL
Infrastructure
- • Angular 14 frontend served with Gzip/Brotli static cache
- • Django REST Framework backend running on Gunicorn with gevent async workers
- • Celery task queue backed by Redis cluster for background ledger generation
- • PostgreSQL cluster with read replica query offloading
Security & Controls
- • Strict OAuth2/JWT token lifecycle with automatic revocation
- • Complete audit ledger documenting who viewed, exported, or queried financial figures
- • Strict TLS 1.3 encryption with Perfect Forward Secrecy
Project Intelligence
SEC-READYLive Production Target
mohammadkamrulhasan.com/projects/agent-banking-real-time-report-portalRepository & Source
View Source CodeOrganization / Client
Agrani Bank & DOER Services Ltd.
Engineering Role
Senior Full Stack & Data Integration Engineer
Lifecycle / Duration
14 Months
Operational Status
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