TADA Automated Expense & Travel Management
A digitized, automated Travel Allowance & Daily Allowance (TADA) expense disbursement system developed for Agrani DOER Agent Banking. Transforms complex, multi-tiered paper reimbursement submissions into a fast, transparent digital workflow with automated policy compliance checks.
Interactive Expense Filing Wizard
Step-by-step submission interface with automatic rate calculation.
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 TADA Automated Expense & Travel Management Production Telemetry Node.
# Type or select a command above to query live infrastructure metrics.
$ devsecops-cli inspect --target="tada-automated-expense-travel-management"
[PASS] Production Image: tada-automated-expense-travel-management:latest (sha256:7e98a1f4b0)
[PASS] Zero Critical CVEs detected | TLS 1.3 Strict Mode Enforced
[INFO] Target Outlets/Users: 85% Faster Active
[INFO] Primary Engine: PHP, MySQL, JavaScript, Bootstrap, Linux, Nginx, Apache
> Ready for instruction...
Measurable Engineering Impact
Quantifiable system metrics, performance gains, and uptime guarantees delivered in production.
Processing Turnaround
Reimbursement processing time slashed drastically.
Monthly Claims
Submitted and processed across all nationwide operational territories.
Policy Violations
Pre-submission rule validation eliminating unauthorized claim submissions.
Paper Savings
Complete digital lifecycle eliminating paper receipt overhead.
Key Functional Capabilities
Architectural features built to handle scale, security, and automation.
Dynamic Allowance Matrix Calculator
Automatic claim calculation based on officer designation tier, travel distance, transit vehicle, and government DA rate tables.
Multi-Tier Hierarchical Approval Flow
Sequential approval chain from Territory Manager to Regional Head to Head Office Accounts with automated email/SMS status triggers.
Instant Digital Receipt Verification
Client-side and server-side image compression enabling fast receipt uploads from remote 3G mobile connections.
Core Banking Batch Disbursement
One-click generation of bank-formatted electronic fund transfer batch files for direct account credit.
Tactical Engineering Deep-Dive
Problem statement analysis and DevSecOps architectural resolution.
The Challenge
Hundreds of field inspection officers and regional bank coordinators faced weeks of delay submitting paper receipts. Claims were frequently lost, manual distance calculations led to frequent budget overruns, and finance accounts spent hundreds of hours manually verifying receipts.
Tactical Solution
Engineered a full-featured web portal with automated distance-based allowance calculators, receipt photo upload with instant image optimization, multi-level hierarchical approval routing, and automated bank disbursement export files compatible with core banking ledgers.
Key Validated Milestones & Outcomes
System Architecture Specifications
Granular technical specification across delivery pipelines, infrastructure, and governance.
CI/CD Pipeline
- • Standardized deployment pipeline with automated database backup triggers
- • Automated asset minification reducing bundle size for field mobile browsers
- • Scheduled cron jobs for nightly status sync and approval reminder digests
Infrastructure
- • High-availability Linux server with Nginx reverse proxy
- • Optimized MySQL relational database with custom indexing on approval states
- • Local encrypted document repository for verified expense receipts
Security & Controls
- • Strict role authorization preventing officers from modifying submitted claims
- • Detailed digital audit trail timestamping every action and rejection note
- • Encrypted sessions with CSRF protection and input sanitization
Project Intelligence
SEC-READYLive Production Target
mohammadkamrulhasan.com/projects/tada-automated-expense-travel-managementRepository & Source
View Source CodeOrganization / Client
Agrani DOER Agent Banking Operations
Engineering Role
Full Stack Application Developer & DevOps
Lifecycle / Duration
8 Months
Operational Status
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