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Gautam G.
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Gautam G.

Senior Full-Stack ERP Developer | Web, Mobile, SaaS & Business App

Senior Full-Stack Developer | iERP, Web & Mobile App Development | ERP Consultant | Booking System | E-commerce platforms I build scalable web & mobile apps, iERP solutions, ERP systems, booking platforms, HRMS, dashboards, and custom business software to automate workflows and streamline operations. With 10 years of professional experience, I specialize in web application development, mobile app development, iERP, ERP consultation, and custom software solutions. I help startups, growing businesses, and enterprises transform business requirements into scalable, user-friendly applications that improve operational efficiency and support business growth. From Business Requirement Documentation (BRD) and Software Requirement Specification (SRS) to solution architecture, development, API integrations, testing, deployment, and maintenance, I deliver solutions aligned with your business goals. 💼 CORE EXPERTISE & SERVICES 🔹 iERP, ERP Consultation & Automation • ERP consultation, requirement analysis, and implementation planning • Custom ERP systems, business process automation, and workflow management • BRD, SRS, functional specifications, and solution architecture • ERP customization, data migration, reporting, and system integration 🔹 Web & Mobile Application Development • Full-stack web applications, SaaS platforms, and enterprise software • Android, iOS, and cross-platform mobile app development • React.js, Next.js, Node.js, Python, Django, PHP, and Laravel • React Native, Flutter, responsive UI, and API development • Customer portals, admin panels, vendor portals, and third-party integrations 🔹 ERP Platforms & Business Systems • Odoo ERP: CRM, Sales, Accounting, Invoicing, Purchase, Inventory, Manufacturing, Warehouse, Barcode, POS, HR, Payroll, and Project Management • ERPNext: Accounting, Selling, Buying, Stock, Manufacturing, HR, Payroll, Assets, and Projects • Zoho: Zoho CRM, Creator, Books, Analytics, and workflow automation • Microsoft Dynamics 365 integrations and business workflows, where applicable 🔹 HRMS, Payroll & Workforce Management • Human Resource Management System (HRMS) • Payroll Management Software and employee management • Applicant Tracking System (ATS) and recruitment management • Leave Management, Time and Attendance, and Performance Management • Employee onboarding, self-service portals, and approval workflows 🔹 Accounting & Financial Management • Custom Accounting Systems, invoicing, billing, and expense management • Accounts payable, accounts receivable, and financial reporting • Payment gateway integrations, reconciliation, and financial dashboards 🔹 Property, Booking & Event Management • Property Management Systems and real estate platforms • Rental, lease, tenant, and maintenance management • Booking Systems, appointment scheduling, and reservations • Event Management Systems, registration, and ticket sales 🔹 E-commerce, Ticketing & Project Management • E-commerce websites, mobile apps, and multi-vendor marketplaces • Product catalogs, inventory, order management, and payment integration • Ticketing Systems, customer support portals, and issue tracking • Project Management Systems, task tracking, and resource planning • Document Management Systems (DMS), version control, and access permissions 🔹 Dashboards, Compliance & Workflow Automation • Dashboard Development, KPI reporting, and business intelligence • Risk & Compliance Management, audit trails, and approval workflows • Workflow automation, notifications, and business process optimization • CRM, ERP, HRMS, accounting, and third-party API integrations • Data synchronization, migration, and operational reporting 🛠️ PLATFORMS & TECHNOLOGIES • Frontend: HTML5, CSS3, JavaScript, TypeScript, React.js, Next.js • Backend: Node.js, Express.js, Python, Django, FastAPI, PHP, Laravel • Mobile: React Native, Flutter, Android, iOS • Databases: PostgreSQL, MySQL, MongoDB, SQL Server, Firebase • ERP & CRM: Odoo, ERPNext, Zoho, and applicable Microsoft Dynamics integrations • Integrations: REST APIs, GraphQL, webhooks, payment gateways • Cloud & DevOps: AWS, Azure, Google Cloud, Git, GitHub, Docker, CI/CD 📈 BUSINESS VALUE & RESULTS My focus is on building solutions that deliver practical business value: • Automate repetitive tasks and reduce manual effort. • Centralize operations across finance, HR, inventory, and projects. • Improve decision-making with dashboards, KPIs, and reporting. • Enhance customer experiences through intuitive web and mobile apps. • Improve data accuracy through integrations and standardized workflows. • Build secure, scalable, and maintainable applications. Project success can be evaluated through processing time, operational efficiency, application performance, data accuracy, and user adoption.

🇮🇳Gurgaon, India$15/hr100% JSS4.61 (16)Since Jun 2021
GlobeUpwork

Earnings and projects

MRR
$187

Last 6 months ÷ 6

World#115,685 / 412k
🇮🇳Country#12,155 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $1.1k

Total earnings
$47k

Billed in all: $48k

World#79,567 / 412k
🇮🇳Country#11,790 / 45.9k
Per project
$1.8k

$281 in the last 6 months

World#82,729 / 412k
🇮🇳Country#10,098 / 45.9k
Projects, last 6 months
4
50% fixed50% hourly
World#51,816 / 412k
🇮🇳Country#6,157 / 45.9k
Projects in all
26

Across 39 contracts

31% fixed69% hourly
World#109,601 / 412k
🇮🇳Country#16,359 / 45.9k

Earnings, last 30 days

$48.2kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$47.5k$48.0k$48.5k$49.0kOct 9Oct 24Nov 8

Skill rankings: Top 27% in Python

Ranked by MRR among everyone on Upwork with the skill.

  1. #49Business Applications Development131 freelancers · 🇮🇳 #13Top 37%
  2. #171Booking Management System424 freelancers · 🇮🇳 #15Top 40%
  3. #181Web API670 freelancers · 🇮🇳 #65Top 27%
  4. #218Property Management Software491 freelancers · 🇮🇳 #6Top 44%
  5. #251Analytics Dashboard850 freelancers · 🇮🇳 #27Top 30%
  6. #405AI Agents877 freelancers · 🇮🇳 #91Top 46%
  7. #493ERP Software1,408 freelancers · 🇮🇳 #108Top 35%
  8. #682Web Application Development2,030 freelancers · 🇮🇳 #208Top 34%