You will get a Stripe Checkout implemented in your Go backend

David Z.Status: Offline
David Z.
5.0

Let a pro handle the details

Buy Web Application Programming services from David, priced and ready to go.
David Z.Status: Offline
David Z.
5.0

Let a pro handle the details

Buy Web Application Programming services from David, priced and ready to go.

Project details

If you're in search of a professional and responsive website developed in Golang, look no further. I possess the necessary skills and expertise to provide you with top-notch services while adhering to a reasonable budget.

Here's what I can offer:
Building Golang apps from scratch and addressing any lurking bugs.
Developing fast, efficient, and secure Rest, GraphQL, gRPC, WebSocket APIs
Implementing robust authentication and authorization protocols for enhanced website security.
Crafting well-structured data models and implementing algorithms for effective data management and analysis.
Creating programs with seamless database connectivity, ensuring real-time and accurate data updates.
My areas of expertise include:

Golang Bug Fixing and App Development
Rest API Development
Authentication and Authorization
Data Structures
Algorithm Implementation
Web Sockets
Dockerized Golang App Development
I stay up-to-date with the latest technologies and industry best practices in scalability, maintainability, and security.

Let me help take your project to the next level. Feel free to reach out to me for a consultation. I'm eager to chat and assist you in achieving your goals!
Programming Languages
JavaScript, Go
Coding Expertise
Localization, Performance Optimization
What's included
Service Tiers Starter
$299.99
Standard
$599.99
Advanced
$1,799.99
Delivery Time 5 days 10 days 15 days
Number of Revisions
023
Design Customization
Content Upload
Responsive Design
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Source Code
Optional add-ons You can add these on the next page.
Additional Revision
+$149.99
5.0
4 reviews
100% Complete
1% Complete
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MM

Mandy M.
5.00
Jun 25, 2026
ChatGPT-like website integrated with Thinkific

LS

Laila S.
5.00
Feb 9, 2026
Mystery Shopping in Estonia: Well-known Dealership Visit It was a pleasure working with David. I highly recommend!

AS

Anastasia S.
5.00
May 28, 2024
Basic AI Chatbot consultation Pleasant freelancer to work with. Professional and straight to the point. I would recommend David!

MW

Matthew W.
5.00
Apr 27, 2024
Need help optimizing and live guidance through setting up a golang service on AWS David was excellent. Perfect English communication but more importantly he is very good at his job and solved complex problems very quickly. I highly recommend him and look forward to working with him again in the future.
David Z.Status: Offline

About David

David Z.Status: Offline
Senior AI Backend Engineer | Go, Python & LLM Integration
100% Job Success
5.0  (4 reviews)
Tallinn, Estonia - 10:39 am local time
Ranked in the top 3% of talent on Upwork (Enterprise Talent Cloud).

Over the last 8+ years, I’ve specialized in high-load backend engineering (Golang, Python) and production-grade AI integration.

Key projects & hands-on experience:
* ERP & Retail: Built PIM and CRM modules, integrated payment terminals for POS hardware, and synced Shopify/WooCommerce product catalogs.
* Built a notification infrastructure processing 10M+ daily events across SMS, Email, WhatsApp, and Push channels
* Developed the backend engine for a Voice AI platform handling 100k+ monthly calls with real-time speech generation

CORE TECH STACK:
• AI & LLMs: Claude, OpenAI, Gemini, LangChain, Vector DBs, Prompt/Tool Engineering.
• Backend & Systems: Golang (8+ yrs), Python, REST, GraphQL, gRPC, Microservices.
* Data & Cloud: PostgreSQL, Redis, Kafka, Pub/Sub, AWS, GCP, Docker, Kubernetes.
• Frontend & Workflows: React, Stripe Integration, n8n, Webhooks.

Let's connect and discuss your requirements!

Steps for completing your project

After purchasing the project, send requirements so David can start the project.

Delivery time starts when David receives requirements from you.

David works on your project following the steps below.

Revisions may occur after the delivery date.

Analyse the requirements and deliver the project

I will deliver the project in full or by milestones for review

Review the work, release payment, and leave feedback to David.