wyzerp™ — Enterprise SaaS ERP Platform
Wyze Tech Ltd
Frappe FrameworkPythonJavaScriptMariaDBMulti-TenantCloud
- Enterprise SaaS ERP platform covering Finance, HRMS, Supply Chain Management, Learning Management, and Payroll — deployed in multi-tenant cloud with full tenant data isolation and per-tenant configuration.
- Modular architecture supports independent development, deployment, and scaling of each business domain; integrated RBAC, audit logging, and operational monitoring across all tenants.
- Automated tenant provisioning enables onboarding new organisations without downtime; built-in platform security, compliance controls, and high-availability infrastructure.
Food Stock & Market Monitoring System (FSMMS)
GIGA TECH Limited
Java Spring BootReact.jsOracleRedisKafkaMicroservices
- National digital platform for food procurement, stock management, distribution tracking, and real-time market price monitoring — serving 7,000,000+ beneficiaries across government agencies and stakeholders nationwide.
- Event-driven microservices architecture with Kafka for high-throughput data pipelines; Redis caching ensures real-time price feed updates across all districts with sub-second latency.
- Centralised visibility across the entire food supply chain — from procurement to warehouse stock levels to last-mile distribution — with configurable alert thresholds and compliance reporting for government oversight.
EduFlex — Digital Learning Management Portal
Freelance
Node.jsReact.jsMySQLZoom APISSLCommerzTrinity Similarity
- Delivered a fully digital LMS at eduflex.bim.gov.bd for BIM — course management, live class scheduling, instructor profiles, and student progress tracking.
- Integrated Zoom API for live virtual classes; SSLCommerz payment gateway for enrollment fees; Trinity similarity check for plagiarism detection on submitted assignments and exam answers.
- Proctored online exam engine with timer, randomised question sets, and auto-grading; automated certificate generation on course completion.
- Multi-role portal (Admin, Instructor, Student) with responsive public website; deployed for BIM's national professional training programmes.
Agent Banking Platform
DataSoft Systems Bangladesh Ltd
ASP.NET CoreOracle / MSSQLAngularRedisWeb API
- Enterprise banking platform deployed at 3 banks — enabling financial inclusion via door-to-door banking agents with customer and account management, core banking API integration, all major transaction types, utility bill payments, and remittance.
- FDR/DPS module with maturity tracking, loan management with disbursement and repayment workflows, and NID-based biometric authentication (fingerprint + face) integrated with the Bangladesh Election Commission database.
- Redis-backed session management ensures high concurrency across thousands of simultaneous agent transactions; dual-database support (Oracle/MSSQL) for flexible bank-side deployments.
International Research Data Collection & Analysis Platform
Freelance
Python FastAPIReact.jsPostgreSQLPandas / SciPyData AnalyticsREST API
- Global research data collection platform with multilingual survey builder — branching logic, Likert scales, matrix grids, multi-section forms, and field validation rules.
- Automated statistical analysis engine (mean, standard deviation, cross-tabulation, correlation, trend charts) powered by Python Pandas and SciPy; results rendered in an interactive React dashboard.
- Exportable PDF and Excel reports with branded layout; role-based access for researchers, reviewers, and administrators across multiple countries.
- Integrated third-party email notification services and webhook callbacks for real-time response alerts to research coordinators.
Digital Onboarding & eKYC Solution
DataSoft Systems Bangladesh Ltd
PythonASP.NET CoreOracle / MSSQLAngularOCRFace Match
- AI-driven eKYC platform for NID-based digital customer onboarding — reduced onboarding from days to minutes through automated OCR, face matching, and fingerprint biometrics.
- Python-powered document intelligence layer extracts and validates NID data; face match engine compares live selfie against NID photo with liveness detection.
- Seamlessly integrated into the Agent Banking and core banking workflow for regulated onboarding of banking clients.
Dynamic Reporting Service & Business Intelligence Tool
Freelance
Java Spring BootReact.jsMSSQL / Oracle / MySQLJasperReportsChart.jsREST API
- Database-agnostic reporting engine built on Java Spring Boot — connects to MSSQL, Oracle, and MySQL through configurable data-source profiles without any code change.
- Drag-and-drop report designer with grouping, aggregations, drill-down, and parameterised filtering; exports to PDF, Excel, and HTML via JasperReports.
- KPI dashboards with Chart.js visualisations and scheduled automated report delivery via email; adopted across Finance, HR, and Operations departments.
AML Compliance System
DataSoft Systems Bangladesh Ltd
ASP.NET MVCKafkaElasticsearchMSSQLREST API
- Compliance solution for regulated financial institutions — automated transaction monitoring, customer due diligence, and AML risk screening aligned with Bangladesh Financial Intelligence Unit (BFIU) guidelines.
- Kafka-driven event streaming for high-volume real-time transaction ingestion; Elasticsearch for fast full-text search across customer and transaction records.
- Configurable rule engine for suspicious transaction detection; automated STR (Suspicious Transaction Report) generation for compliance officers.
Dynamic Archiving Service
GIGA TECH Limited
ASP.NET CoreAngularPostgreSQLAudit LoggingREST API
- Configurable database archiving solution with flexible DB connections, scheduled archiving jobs, table-level selection, and robust audit logging — deployed for government and enterprise clients.
- Archived data remains queryable and restorable through a secure API; full record-level versioning ensures compliance and traceability.
- Dramatically reduces live database size and improves query latency without any changes to consuming applications.
Multi-Tenant GPS Fleet Tracking System
Freelance
Java Spring BootReact.jsMySQLWebSocketGPS / MQTTMulti-Tenant
- Multi-tenant fleet management platform — real-time GPS vehicle tracking via MQTT protocol with WebSocket-based live map updates on the React dashboard.
- Vehicle and driver management, route planning, geo-fence alerts, trip history replay, and fuel consumption reporting per tenant organisation.
- Tenant isolation with separate fleet configurations, alert thresholds, and branded portals; scalable across logistics companies, transport operators, and corporate fleets from a single deployment.
Fingerprint Verification Service
GIGA TECH Limited
ASP.NET Core.NET FrameworkPostgreSQLBiometric APIElection Commission DB
- Generic fingerprint verification service integrated with the Bangladesh Election Commission (EC) database — deployed for banking onboarding, agent authentication, and loan borrower verification.
- Exposed as a secure REST API consumed by multiple banking systems; supports both online and fallback verification modes for network resilience.
AI-Driven Business Analytics SaaS Platform
Freelance
ASP.NET CorePythonReact.jsPostgreSQLOpenAI / Gemini / Claude
- SaaS platform that ingests business data and generates fully AI-driven analytical reports — covering KPIs, trend charts, correlational tables, automated insights, and actionable recommendations.
- Multi-model AI integration (OpenAI GPT, Google Gemini, Anthropic Claude) — users select their preferred model and interact with the analysis through a conversational decision-support interface.
- Python FastAPI microservice handles data processing, statistical computation, and LLM prompt orchestration; ASP.NET Core manages business logic, multi-tenancy, and API gateway.
- Subscription-based SaaS with tenant isolation, usage metering, and a React self-service dashboard for on-demand report generation and AI-assisted decision making.
Project Management Information System (PMIS)
Freelance
Python DjangoAngularMySQLREST APIChart.js
- Centralised web-based system for monitoring ongoing government programmes — project tracking, milestone management, beneficiary profiling, and activity reporting.
- Angular dashboard with Chart.js visualisations for programme KPIs; role-based access for field officers, district managers, and central administrators.
- Python Django backend with configurable reporting templates; exportable reports used for ministry-level decision-making and donor reporting.
Multi-Tenant Institute Management System
Freelance
ASP.NET CoreAngularPostgreSQLMulti-TenantPayment GatewaySMS / Email
- Multi-branch institute management platform covering admissions, student records, class scheduling, attendance, exam grading, fee collection, and certificate generation.
- Role-based portals for Admin, Teacher, Student, and Parent; automated SMS and email notifications for fee dues, exam results, and events via third-party gateway integrations.
- Tenant isolation with per-branch branding, custom fee structures, and independent academic calendars — scalable across a network of institutes from a single deployment.
Automated Payroll & HR Management System
Freelance
Python FastAPIReact.jsPostgreSQLBiometric IntegrationPDF GenerationREST API
- End-to-end HR platform: employee onboarding, leave management, attendance capture via biometric device and manual override, and fully automated monthly payroll processing.
- Configurable salary structures with basic pay, allowances, deductions, income tax slabs, and provident fund; automated payslip generation as downloadable PDF.
- Management dashboards for headcount analytics, leave balances, and payroll cost summaries; bank payment file export (EFT format) for direct salary disbursement.
B2B E-Commerce & Inventory Platform
Freelance
Node.jsReact.jsMySQLSSLCommerzREST APISMS / Email
- Full-cycle B2B commerce platform: product catalogue with tiered pricing, purchase order workflows, multi-level approval chains, invoicing, and delivery tracking.
- Real-time inventory management with low-stock alerts, warehouse bin management, and automated supplier reorder triggers; integrated SSLCommerz payment gateway.
- Separate buyer and supplier portals with role-based access; automated order-status notifications via SMS and email through third-party gateway integrations.
Field Force & Sales Activity Management System
Freelance
Java Spring BootReact.jsPostgreSQLGPS TrackingMobile APIREST API
- Real-time GPS tracking of field agents with route planning, geo-fenced check-in/check-out, and visit-log capture through a mobile-optimised REST API.
- Sales target vs. achievement dashboards, daily call reports, beat-plan management, and supervisor approval workflows built in React.
- Offline-capable mobile API syncs visit data when connectivity is restored; automated attendance and performance reports delivered to management daily.
Clinic & Healthcare Management System
Freelance
Python DjangoAngularPostgreSQLREST APIPDF / Lab ReportsSMS Alerts
- Complete clinic management covering patient registration, appointment scheduling, doctor consultation records, prescription management, and follow-up reminders.
- Lab test ordering and result entry with automated PDF report generation; SMS alerts via third-party gateway notify patients when reports are ready for collection.
- Integrated billing and invoicing module with insurance claim tracking and revenue analytics dashboards for clinic administrators.
aPOP — Full-Featured ERP System
APLOS Global Limited
ASP.NET MVCMSSQLAngularJSBootstrap
- Contributed to aPOP — a full-featured ERP covering HR, Accounting, CRM, Inventory, Planning, and Production modules for enterprise clients.
- Developed and maintained core modules, resolved performance bottlenecks, and participated in client-facing requirements gathering and delivery.
Open-Source Contributions — 300+ GitHub Stars
Open Source · github.com/kawser2133
ASP.NET CoreAngularClean ArchitectureMulti-TenancyDockerSQL ServerREST API
- saas-base — Production-ready multi-tenant SaaS foundation structured across Domain, Application, Infrastructure, and API layers; widely used as a starting point for enterprise SaaS projects.
- clean-structured-project (100+ ★) — Reference implementation of Clean Architecture with ASP.NET Core; one of the most starred .NET clean architecture templates on GitHub.
- web-api-project (100+ ★) — Practical Web API boilerplate with best-practice patterns for production-grade REST API development in .NET.