Java Developer ERP and POS

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Job Type

Part Time

Job Description

Java Developer – Role & Expertise (ERP & POS Systems)

Role Overview

A Java Developer for ERP & POS systems is responsible for designing, developing, customizing, and integrating enterprise-grade ERP applications. This includes handling core ERP modules (Sales, Purchase, Inventory, Accounting, CRM, HRMS, Production Planning, Scheduling, Store, Fixed Assets, Ticketing, Construction, Oil & Gas) along with payment gateway integrations, API-driven connectivity, and AI-powered generative reports. The developer ensures scalable, secure, and compliant enterprise solutions for diverse industries.

Core Expertise Areas

1. ERP & POS Development • End-to-end development of ERP & POS modules for Sales, Purchase, Inventory, Accounting, CRM, HRMS, Production, Scheduling, and Store Management. • Implementation of Fixed Asset Management, Ticketing Systems, and Industry-specific ERP (Construction, Oil & Gas, Manufacturing). • Customization of workflows and approval hierarchies to match business needs.

2. Payment Gateways & Financial Workflows • Integration with global and regional payment gateways (Stripe, PayPal, Razorpay, PayFort, etc.). • Secure financial transactions with PCI DSS standards, tokenization, and encryption. • Handling multi-currency, tax (VAT), FTA compliance, and e-Invoicing.

3. API Development & Integrations • Expertise in RESTful, SOAP, GraphQL APIs for third-party system integrations (banking, HR, logistics, e-commerce). • Building microservices-based architectures for scalability. • Middleware development for inter-module communication and external system sync.

4. AI & Advanced Reporting • Development of AI-powered generative reports and predictive analytics. • Real-time analytical dashboards for finance, operations, and executive decision-making. • Integration with BI tools (JasperReports, Power BI, Tableau) and AI frameworks.

5. Production & Operations • Implementing production planning, resource scheduling, and workflow automation. • Streamlining supply chain, procurement, and manufacturing processes. • Optimizing ERP for large-scale industry operations (Construction, Oil & Gas, Manufacturing, Retail).

6. Compliance & Security • Ensuring VAT/FTA compliance for accounting and invoicing. • Implementation of e-Invoicing standards as per local regulations. • Secure authentication & authorization (OAuth2, JWT, SSO). Technical Expertise • Languages & Frameworks: Java, J2EE, Spring Boot, Hibernate, Microservices. • Databases: MySQL, PostgreSQL, Oracle, MongoDB. • Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, Jenkins. • Frontend (optional): React, Angular, Vue.js for ERP dashboards. • AI/ML: Integration with TensorFlow, PyTorch, or cloud AI services for reporting & analytics. • Reporting Tools: JasperReports, BIRT, Power BI, Tableau. Soft Skills & Domain Expertise • Strong understanding of ERP business processes across industries (Manufacturing, Retail, Construction, Oil & Gas). • Analytical thinking for data-driven decision-making and reporting. • Collaboration with cross-functional teams (Finance, HR, Operations, Compliance). • Ability to translate business requirements into ERP solutions.

Job Type: Freelance
Contract length: 3 months

Pay: ₹5,000.00 - ₹10,000.00 per week

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