Freelancers using SAP
Freelancers using SAP
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Reina Hernandez
San Jose del Monte City, Philippines
Customer Success & CX Operations | SaaS & eCommerce
$10k+
Earned
1x
Hired
5.0
Rating
19
Followers
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Customer Success & CX Operations | SaaS & eCommerce
1
Customer Experience Specialist for Klondike Lubricants
1
66
0
Customer Support (Weekends)
0
92
0
Customer Success Manager
1
0
97
0
Program Admin for Gratifii Ltd
0
14
SAP
(1)
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Quinton Butler
pro
Dallas, USA
Motion Graphics Director - 3D Motion Designer
$10k+
Earned
5x
Hired
5.0
Rating
53
Followers
expert
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Motion Graphics Director - 3D Motion Designer
0
Senior Instructional Designer at BILT Saas CX Company
0
59
1
Motion Graphics Package for professional tennis match
1
214
1
Motion Graphics Package for professional soccer team
1
219
0
Demo Reel 2025
0
14
SAP
(1)
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Romulo Candido
Maricá, Brazil
Startup SaaS & AI Systems Architect | MVP & Mobile Apps
5.0
Rating
10
Followers
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Startup SaaS & AI Systems Architect | MVP & Mobile Apps
2
Advanced Inventory Management System I developed an end to end inventory management platform that streamlines stock rotation, order processing, and purchasing decisions. The system provides real-time analytics, personalized alerts, and omnichannel dashboards for complete visibility into merchandise across multiple stores. Integrate Barcode and QR Code scan for identify the product. It integrates features such as inventory management, order tracking, invoicing, fulfillment, forecasting, and analytics, helping businesses optimize operations, reduce inefficiencies, and make data driven decisions to improve profitability and agility.
2
84
2
Jewelry Marketplace App with Real-Time Gold Pricing Developed a production-ready multi-vendor jewelry marketplace (iOS & Android) using React Native and Laravel. Enabled multiple sellers to manage products with Super Admin-controlled onboarding, product approval, commission rules, and role-based access. Implemented a real-time gold pricing engine with configurable pricing rules to protect margins. Built end-to-end e-commerce flows including product browsing, secure checkout, order management, logistics, and post-purchase follow-up. Integrated Brazilian payment methods (PIX, Boleto, Credit Cards), automated emails, and an interactive 3D product viewer. Delivered a scalable admin system to manage sellers, products, orders, pricing, and marketplace performance, suitable for high traffic and investor presentations.
2
112
2
GPS Tracking and Equipment Management Application for Mining Operations I developed a multi-platform GPS tracking and equipment management application designed to monitor mining machines and field operations in real time. The platform provides operational teams with complete visibility into machine activity, routes traveled, and equipment utilization in different areas of the mining site. Key features include real-time GPS tracking, path logging, operating time monitoring, and idle time detection, allowing managers to analyze equipment productivity. The application also records operator assignments, machine usage logs, and transported material data, ensuring that all field activities are documented and traceable.
2
130
2
AI Agent Platform with WhatsApp Chatbot for Intelligent Lead Management in CRM: I developed an AI-based platform to automate lead management in CRM, converting unstructured conversations into organized lead data through intelligent AI agents. The system captures, organizes, and updates leads in real time, automatically triggering workflows such as lead qualification and follow-ups. I integrated a WhatsApp chatbot that allows sales teams to create, update, and query lead information using natural language directly in the chat. This reduced the need for manual data entry into the CRM and improved response time for potential customers. The platform was designed with a modular and scalable architecture, allowing for the easy addition of new workflows, data sources, and AI capabilities as the business grows.
2
128
SAP
(1)
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Bego Echeverría
pro
Barcelona, Spain
✧ Energy is my currency ✧
$10k+
Earned
4x
Hired
25
Followers
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✧ Energy is my currency ✧
2
Creator Execution & Programming Support ⚡️
2
58
1
PM & MC for 4YFN 🎙️
1
176
1
Professor 🥸
1
115
1
My Craft Beer E-Commerce 🍺
1
862
SAP
(1)
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Samantha Russell, PMP
Collingwood, Canada
Expert in telecom project management 📶
$10k+
Earned
1x
Hired
5.0
Rating
10
Followers
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Expert in telecom project management 📶
0
Project Management Office Implementation
0
78
0
Construction & Network Expansion Build Program
0
47
0
Hybrid Fiber Coax (HFC) Pilot Project
0
85
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SAP
(2)
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Umer Sharif
pro
Lahore, Pakistan
API Integration & Web Application Developer
1x
Hired
6
Followers
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API Integration & Web Application Developer
0
Online Payment , Terminal & eCheck/ACH Payment Integration
0
13
0
Insurance Quote System for a Trucking Company
0
3
0
From ACH to Card Payments: Building Scalable Payment Systems for US Businesses Over the past few years, I’ve worked closely with US-based businesses to design and implement secure, scalable payment systems across ACH, online card payments, and card-present (terminal) environments. My experience spans platforms like North.com (http://North.com), NMI, and other payment APIs—supporting everything from recurring ACH billing to fully integrated in-person payment solutions using physical terminals. On the ACH side, I’ve handled bank account verification, transaction lifecycles, and returns such as NSF and failed debits. ACH systems require careful management of delayed settlements, webhook events, and reconciliation—especially within US financial workflows. For online card payments, I’ve implemented secure gateways, tokenization, and optimized checkout experiences to ensure fast, seamless, and PCI-compliant transactions. I’ve also built and deployed card-present solutions, including: – EMV terminal integrations – Tap, dip, and swipe transaction flows – Device configuration and deployment – Real-time syncing with backend systems – Handling reversals, refunds, and partial approvals A critical part of every integration is compliance and security. My work ensures: – PCI DSS compliance for card data protection – Tokenization (no sensitive data storage) – Secure API authentication and encryption – Reliable webhook handling and audit-ready transaction logs From a technical perspective, I specialize in building robust API integrations, webhook listeners, retry mechanisms, and fail-safe systems that continue to operate reliably under real-world conditions. Key solutions I’ve delivered: – ACH debit and recurring billing systems – Online card payment integrations with secure token flows – Card-present terminal integrations – Real-time transaction systems using webhooks – Payment failure handling and reconciliation logic – CRM and internal dashboard integrations Working in the US payments ecosystem has given me deep exposure to compliance requirements, operational challenges, and the importance of building systems that are both secure and scalable. My focus is simple: build payment systems that are reliable, compliant, and seamless—whether online or in-person. Open to collaborations in fintech, payments, and API integrations.
0
40
0
Hotelbeds API Integration with full Booking Engine.
0
0
SAP
(2)
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JHON REYNOSO
Santo Domingo Este, Dominican Republic
SR FULL STACK DEVELOPER
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SR FULL STACK DEVELOPER
0
SUED & FARGESA - SAP HANA IMPLEMENTATION
0
11
0
SUED & FARGESA - INVENTORY PWA
0
6
0
EMSMC | EMS BILLING PLATFORM
0
51
0
VIZIENT | APTITUDE
0
46
SAP
(2)
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Jatin Leuva
pro
Ahmedabad, India
UX/UI & Product Design Expert
New to Contra
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UX/UI & Product Design Expert
0
MVP design for CPQ software
0
2
0
Enterprise Scheduling Framework Design for Doodle
0
1
0
Collaborative AI Interface Design for Omny
0
1
0
UX/UI Design Enhancement for OctiFi's Fintech App
0
1
SAP
(1)
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