I help ticket brokers and resale businesses identify profitable opportunities by tracking pricing spreads, monitoring inventory, and maintaining accurate event data across primary and secondary ticket marketplaces.
I have hands-on experience working in the ticket resale industry using StubHub and ReachPro StubHub, where I tracked ticket and parking pass pricing across platforms such as Ticketmaster, AXS, StubHub, SeatGeek, Vivid Seats, ParkWhiz, SpotHero, and Indigo.
My responsibilities included:
* Tracking price spreads between primary and secondary marketplaces
* Monitoring ticket availability and resale opportunities
* Maintaining detailed Excel and Google Sheets with purchase prices, competitor pricing, platform fees, margins, and profits
* Managing ticket inventory and event records
* Providing customer support for ticket orders, cancellations, and refunds
* Creating purchase, cancellation, and refund policies
* Working with repetitive, accuracy-critical data while meeting deadlines
I am highly comfortable with Excel, Google Sheets, online research, and marketplace operations. My background has taught me to work with precision, organize large datasets, and quickly identify profitable opportunities.
Core Skills
✔ Ticket Arbitrage & Event Research
✔ Ticketmaster & AXS Monitoring
✔ StubHub Operations
✔ SeatGeek & Vivid Seats Research
✔ ParkWhiz, SpotHero & Indigo Parking Passes
✔ Excel & Google Sheets
✔ Pricing Spread Analysis
✔ Data Entry & Data Validation
✔ Customer Support
✔ Virtual Assistance
✔ Market Research
✔ Event Tracking & Inventory Management
I am a reliable, detail-oriented professional who learns new tools quickly and enjoys working with structured, data-driven workflows. Whether you need event tracking, pricing analysis, inventory management, or virtual assistance, I'm ready to become a dependable part of your team.
Payoneer
Refund Processing
Payment Processing
PayPal
Stripe
Payment Gateway
Shopify
Fraud Detection
Quality Audit
Summary Report
Zendesk
Jira
Data Annotation
Microsoft Office
Customer Service
Oleg H.
Yerevan, Armenia
$60/hr
5.0
36 jobs
I build payment systems and the AI agents that run on top of them. I am a senior backend engineer with 9+ years in Java and Spring Boot, including 4+ years on the billing and payments platform behind a marketplace moving about $4B a year.
PAYMENTS AND FINTECH
I deliver provider integrations end to end: Adyen, Braintree, Payoneer, PayPal, Venmo, Wise, Wells Fargo, Bank of America and Forter, on a platform operating across 180+ countries. My work covers card processing, wallets, payouts, bank transfers, fraud screening and reconciliation over REST, SFTP and webhooks. I have also integrated Stripe, FastSpring and bank vPOS in client products.
Representative work:
- Migrated a major payout provider from a legacy protocol to REST with OAuth 2.0. The migration covered payouts, mass payouts, payee registration, card release and reconciliation. I shipped it to 100% behind feature flags with no customer-facing incidents. I built provider emulators to test it without vendor sandboxes.
- Designed a card-processing service on a provider's GraphQL API covering client tokens, payment methods, network tokens, cryptograms, authorization, capture, refunds, cancellations and 3D Secure.
- Built a forwarding layer that routes network tokens between two providers, enabling non-US card acceptance. I rolled it out in stages and negotiated timeout SLAs directly with the vendor.
- Authored the design for splitting a payments monolith into nine provider-specific microservices.
Domain coverage: 3DS2, network tokenization, cryptograms, authorization and capture, refunds, chargebacks, reconciliation through APIs, webhooks and SFTP files, idempotency and double-charge prevention, mass payouts, ACH returns, fraud screening, PCI-aware design.
AI AGENTS AND LLM SYSTEMS
I build AI that runs inside products with real users and revenue.
I built an agentic system that investigates failed payment transactions on its own, reasoning across logs, dashboards, source code and incident tooling to cut manual triage. I built it with Python, LangChain and multi-agent orchestration. It runs in a high-stakes payments environment, where being wrong has a cost.
I also built and run Memabooks, a profitable AI commerce product that turns a child's photo into a personalized illustrated storybook. Over 10,000 books created so far, printed on demand and shipped worldwide, with customers in eight countries.
I developed a multi-stage, identity-preserving image generation pipeline covering face detection, background removal, personalized character generation, skin-tone matching and character consistency across a complete book. I work with diffusion models, fine-tuned LoRA adapters and serverless GPU inference, tuning for quality, latency and cost.
I also built the Node/NestJS backend, the Angular front end, print-on-demand fulfilment, and the payment stack for a market with limited access to major global processors: bank vPOS, 3DS2, Apple Pay, idempotency and double-charge prevention, and abandoned-payment recovery.
AI stack: LangChain, LangGraph, LlamaIndex, multi-agent systems, RAG and multimodal RAG, vector databases (FAISS, Chroma), Model Context Protocol, OpenAI, Gemini, Azure AI.
BACKEND ENGINEERING AND RANGE
My core stack is Java 17 and Spring Boot. I also have production experience with Node.js, NestJS, TypeScript, Python, PostgreSQL, MongoDB, AWS, Docker, Kubernetes, REST, GraphQL, microservices and event-driven architecture.
I was the sole engineer responsible for Geoapify's product surface for 17 months, working directly with the product owner across 14 repositories. I built a geocoding SaaS end to end, covering file upload, worker-based job processing, object storage and card payments. I maintained their public TypeScript SDKs for MapLibre GL, Leaflet and GeoJSON, which see about 55K npm downloads a month, and owned their public API playgrounds and OpenAPI specs.
Testing is part of my delivery process. On one project, I built 260 Playwright end-to-end tests from scratch in about six days.
WHAT I CAN HELP WITH
- Payment provider and fintech integrations
- Java and Spring Boot backend development
- Backend architecture and monolith-to-microservices migrations
- AI agents, RAG and LLM integration
- API design, reliability, observability and production troubleshooting
CREDENTIALS
- Oracle Certified Professional: Java SE 11 Developer
- IBM RAG and Agentic AI Professional Certificate
- Google Cloud Generative AI Leader
- Microsoft Azure AI Fundamentals
- BSc in Computer Science, American University of Armenia
- Former Java lecturer, Russian-Armenian University
My longest engagement here ran 19 months and 2,700+ hours. I am open to long-term, full-time and contract-to-hire engagements.
Tell me what you need built or what is currently breaking. I will tell you honestly whether I am the right engineer for it.
Java
Spring Boot
Payment Gateway Integration
AI Agent Development
Payment Processing
FinTech
Microservice
API Integration
Amazon Web Services
Node.js
Python
LangChain
Retrieval Augmented Generation
Large Language Model
TypeScript
Stripe
RESTful API
Angular
Back-End Development
Generative AI
Arslan A.
Lahore, Pakistan
$30/hr
5.0
11 jobs
💼 LLC & LTD Registration Specialist | Business Setup Expert
I specialize in LLC (USA) and LTD (UK) company registration, helping entrepreneurs and eCommerce sellers establish fully legal, verified, and compliant businesses — ready to operate with Stripe, Payoneer, PayPal, Mercury, Wise, Shopify, and Amazon.
✨ Our Premium Services:
✅ LLC & LTD Company Registration
✅ EIN Number (Delivered in 24 Hours)
✅ Business Bank Account Setup (Mercury, Wise, Payoneer, etc.)
✅ Seller Permit & Resale Certificate
✅ Unique Physical Business Address
✅ All Legal & Tax Documents
✅ Company Formation (USA / UK)
✅ Tax & VAT Registration
✅ SSN (Social Security Number) Assistance
✅ ITIN (Individual Taxpayer Identification Number)
✅ Trademark Registration (USA / UK)
✅ W8 Business Information Setup
💬 Free Consultation:
Get a FREE Zoom Call before you start!
We’ll discuss your business goals, choose the right structure (LLC or LTD), and I’ll guide you step-by-step through the entire registration and compliance process — including Stripe, Payoneer, and PayPal approvals.
🧾 Deliverables:
Filed Articles of Organization / Incorporation Certificate
EIN Confirmation Letter (IRS)
Seller’s Permit / Resale Certificate
Business Address & Bank Account Details
All Legal and Tax Compliance Documents
Step-by-step Guidance for Stripe, PayPal & Payoneer Approval
⏱️ Processing Time:
EIN: 24 Hours
LLC / LTD Formation & Permits: 22–48 HOURS (depending on government processing)
💡 Why Choose Me:
8+ Years of Professional Experience
Free Zoom Consultation Before Starting
Long-Term Partnership & Continuous Support
Fast, Reliable & Legally Accurate Service
Competitive & Transparent Pricing
🔧 Additional Services:
Annual Report / Confirmation Statement Filing
Multi-State / Multi-Country Registration
Tax Return & Compliance Assistance
SSN & ITIN Application Support
Trademark Filing & Protection
W8-BEN & W8-BEN-E Business Setup
W9---
Ongoing Support for Renewals & Updates
Let’s get your LLC or LTD registered and ready for Stripe, Payoneer, PayPal, and Mercury!
📞 Book your Free Zoom Call today and start your company with confidence and long-term professional support.
Payoneer
Taxation
Legal Consulting
Company Registration
Limited Liability Company
Business with 1-9 Employees
Amazon
Stripe
PayPal
eBay
Etsy
PaperWise ONE
Seller-Provided Location
Legal Applications & Registration
Scott T.
Kalaheo, Hawaii
$66/hr
5.0
129 jobs
Top Rated USA Based! Online Payments Specialist. 10+yrs of experience with Low & High Risk Merchants Utilizing Shopify WIX Woo eCommerce Platforms. Specializing in Startups and able to service enterprise level merchants also. Happy to help with the following:
- Native Gateway Integration for popular platforms like Shopify, Wix, and WooCommerce (eliminating cart redirects)
- Automated Recurring Payments for subscription-based "subscribe & save" offerings
- A convenient Buy Now Pay Later option for your customers
- An Invoice Feature that allows you to send payable email invoices and text payment links
- Comprehensive Credit Card Payment Processing capabilities
- Options for Crypto Payment Processing
- Echeck Payment Processing functionality
- Integrated AI Marketing Tools to support your promotional efforts
- Advanced Fraud Tools to protect your transactions
- Chargeback Alerts to help you manage payment disputes
- ApplePay integration for seamless mobile payments
- QuickBooks Integration for streamlined accounting
- POS systems and Card Readers for efficient in-person sales
* Worldwide Payments Solutions for Any Region and Products or Service type
* Navigating the challenges High Risk Merchant Account Setup
* Multiple MID's for volume load balancing or different region coverage
* Fast Timelines for Approval, Integration, and Deployment
* Full project management from start to finish
Constant Communication is key to me when dealing with something as important as your sales revenues and functionality. Let's keep in touch, Aloha!
Wix
Shopify
API Integration
Payment Gateway Integration
Payment Gateway
Merchant Account Setup
Payment Processing
Payment Functionality
Payment Plugin
Mobile Payment Functionality
In-App Subscription
Ecommerce
Ecommerce Store Setup
Ecommerce Plugin Installation
Ecommerce Platform
Mohsin A.
Lahore, Pakistan
$30/hr
4.8
1,329 jobs
🚀 $1M+ Upwork earnings built on trust, long-term collaborations, and proven results-driven marketing solutions. With 12+ years in digital marketing, I’ve managed $80M+ in ad spend across Facebook, Instagram, Google, and TikTok, working with global brands like Payoneer. These campaigns have generated $1.3B in revenue, helping e-commerce and lead generation businesses scale profitably while maintaining efficiency and ROI.
⏰ Available in US Time Zone.
Dear Business Owners 👋
Growing a business can be challenging. I help businesses achieve predictable growth while maximizing revenue and profit through Meta Facebook Ads lead generation, Instagram Ads, PPC Google Ads, YouTube Ads, LinkedIn Ads, TikTok Ads, and SEO (Search Engine Optimization).
✅ Who am I?
I'm Mohsin Ali, hailing from the vibrant city of Lahore, Pakistan. Proud dad 👨🏻 of two amazing kids - a 4-year-old son and a 6-year-old daughter who keep me on my toes! With over a decade of experience as a certified full-stack digital marketer, I've mastered the art of driving results through Digital Marketing.
✅ Why Collaborate with Me?
⭐️ Top Rated Plus - Top 3% of talent on Upwork
🏆 Meta Google certified partner
✔️ 12+ years of experience
🤜 700+ Projects completed successfully
🕒 17,384+ hours worked on Upwork
🎖️ Worked with fortune 500 and enterprise clients like Payoneer
💰 $80 million ad spend
💸 1.3 billion revenue generated for my clients
✅ My Proven Time Tested Approach to Grow Your Business 🚀 10X Faster
1️⃣- In-Depth Discovery Process
I deep dive into your business, understanding your industry, market position, competition, and most importantly, your business goals.
2️⃣ - Collaborative Strategy Development
I believe in collaboration, not dictation. I’ll work closely with you to develop a strategy that aligns with your vision.
3️⃣ - Execution and Optimization
I execute goal-driven strategies, combining funnel building, persuasive design, psychological copywriting, and digital marketing to boost your business success.
✅ Industries and Niches I've Served
Fashion and Apparel, Local Home Contractors (HVAC, Plumbing, Flooring, Fencing, Deck & Patio, Home Renovation, Commercial & Residential Painting), Pet Products and Services, Real Estate, Specialized Legal Services (e.g., Immigration, Patent Law), SAAS, Med Spa/Aesthetic Clinics, Construction, Plants, Business Loan Providers, Finance Sector, Law Firms, Beauty Clinics, Online Coaches, Solar Products, Dentists, Healthcare, Digital Products, Insurance (Auto, Health, Life, Property), and more.
✅ Services I Offered
- Meta Facebook Ads Manager (Meta ads)
- PPC Google Adwords Manager (Google Ads)
- SEO Search Engine Optimization (Technical, On Page & Off Page)
- Local SEO
- Social Media Manager (Social Media MArketing & Management)
- Linkedin lead generation (Linkedin Ads)
- Tiktok Ads Manager (TikTok Ads)
- Youtube Ads
- Snapchat Ads (Snapchat Advertising)
- Email Marketing & Automation
- Social Media Graphic Design
- Funnel Creation & Building
- Landing Page Creation (A/B Testing)
- Conversion Rate Optimization (CRO)
- Online reputation & GMB Optimization
- Data and Conversion Tracking
✅ Tools I’m Experienced With:
CMS: Wordpress, Shopify, Square Space, Wix, Magento, OpenCart, Etsy
CRM: Go High Level GHL, Zoho, Hubspot, Sugar, Microsoft Dynamics 365, Keap, Monday
SEO: Screaming Frog, Ahref, Semrush, Moz
Ai Tools: Chat GPT, Surfer SEO, Jasper
Data & Tracking: Google Analytics, Google Tag Manager, Locker Studio, Hotjar, Triplewhale
Landing Page & Funnel: ClickFunnel, kajabi, Unbounce, Lead Pages
Project Management: Asana, Slack, ClickUp, Basecamp, Notion
Let's connect to discuss how I can help you achieve your goals!
NOTE: I can share my funnel process, portfolio, and case studies upon request.
Social Media Lead Generation
Lead Generation
Google Ad Manager
Facebook Ads Manager
Pay Per Click Advertising
Google Ads
Facebook Ad Campaign
Facebook Advertising
Social Media Marketing
Google Ads Account Management
Digital Marketing
B2B Lead Generation
PPC Campaign Setup & Management
Instagram Ad Campaign
Instagram Marketing
Alexander B.
Bloomfield, New Jersey
$40/hr
4.9
635 jobs
Are you struggling to book more appointments and feel like no matter what you're hitting a wall?
Expert in Lead Generation and Cold Email outreach specifically utilizing Hubspot, Apollo and Sendgrid. I am a Sales professional with a demonstrated history of rapid sales growth and scalable business development processes. Highly-skilled in prospecting, Sales Management, Software as a Service (SaaS), Sales Process and new product launch.
After all these years, cold email outreach is still one of the very best channels to generate leads and grow sales. The challenge today is creating copy that is unique to everything else that lands in a persons inbox. I have over 12 years of experience in the fast-moving world of lead generation and sales strategies
If you are looking to significantly enhance your marketing strategy, sales strategy, and business development, look no further to access specialized knowledge and expertise that you can't find anywhere else.
HubSpot
Sales
Lead Generation
Gmail
SaaS
Business Writing
Outbound Sales
Email Campaign Setup
Business Development
Email Marketing Strategy
CRM Software
Lead Generation Content Creation
Cold Calling
Drip Marketing
Apollo.io
SendGrid
Sales Strategy
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