a
aliraza_2011

Ali

@aliraza_2011

Founder of Zeitio LLC

Pakistan
English
About me
Full Stack Developer & Automation Specialist skilled in n8n, GoHighLevel (GHL), AI development, and custom web applications. I build: • AI-powered apps • Workflow automations • CRM systems • API integrations • Modern websites • SaaS platforms • ChatGPT/OpenAI solutions Tech Stack: React.js, Next.js, Node.js, Python, n8n, GHL, MongoDB, APIs, Tailwind CSS, OpenAI. I help businesses automate processes, improve efficiency, and build scalable digital solutions.... Read more

Skills

a
aliraza_2011
Ali
Offline • 
Average response time: 1 hour

See my services

Custom Websites
I will build a skool style community website for coaches
From$200 / projectMore details
Custom Websites
I will build SEO optimized business website and landing page
From$100 / projectMore details

Portfolio

Work experience

Upwork

Full Stack Java Developer

Upwork • Freelance

Apr 2021 - Present • 5 yrs 1 mo

Delivering backend and full stack solutions for voucher platforms, fiscal invoicing systems, mobility services, and prepaid recharge products across distributed microservice environments. OVV - Voucher Management & Validation System: enhanced the full voucher lifecycle including creation, validation, distribution, SAP-based workflows, direct eShop sales, and invoice generation integration. Connected WPayment, Persons, eshop, FIP, and OVVCP services through REST APIs to support reliable purchasing, user management, invoice generation, and voucher visibility for end users. Fiscal Invoice Printing (FIP): built an invoice-generating microservice that reduced invoice processing time by 40%, improved billing operations, and supported multiple downstream services. CarHome: developed and maintained the Customer Warehouse and Consumption module powering the purchase and use of carwash-related products at partnered stations. Prepay: replaced legacy Brodos Paysafecard integration with the Paysafecard Direct API, improved transaction stability, and reduced recharge flow failures.