You will get a secure, scalable backend API ready for production deployment
Project details
You will get a fully functional, secure, and scalable backend API built with Golang or Python, ready for production deployment. I specialize in designing clean architecture, optimized database integration, and implementing CI/CD pipelines for smooth deployments. With extensive experience in backend development, API design, and cloud infrastructure, I ensure every project is built for performance, reliability, and scalability. My approach combines best practices in security, testing, and documentation, so you can confidently launch or scale your application. Whether you are a startup, developer, or team needing a robust backend, I provide actionable solutions tailored to your project’s goals. All work is original, high-quality, and delivered with post-project support if needed.
Programming Languages
JavaScript, Python, GoCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$100
|
Standard
$250
|
Advanced
$500
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 3 | 5 | 3 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$30 - $80
Additional Revision
+$30
Additional Page
(+ 1 Day)
+$20
Extra Endpoint
+$20Frequently asked questions
3 reviews
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OO
Ogbemudia Terry O.
Jan 9, 2026
Test APM Tool Setup & Give Feedback (20 min - $5-12)
Excellent developer - followed instructions perfectly, delivered on time, and gave thoughtful feedback that will actually help improve our product. Highly recommended!
GV
Greg V.
Mar 12, 2025
GoLang Expert, Laravel/Flutter/AWS Lambda Skills would be bonus
Fantahun did good work and demonstrated good knowledge and skills.
BR
Brandon R.
Dec 3, 2024
Looking for a Go backend developer
About Fantahun
Senior AI & Full Stack Engineer | LLMs | Golang | Python | React | AWS
50%
Job Success
Addis Ababa, Ethiopia - 11:26 pm local time
My expertise spans the entire software development lifecycle—from solution architecture and system design to backend engineering, frontend development, cloud deployment, DevOps, and AI integration. I have successfully delivered fintech platforms, payment gateways, AI assistants, workflow automation systems, cloud-native APIs, and enterprise applications for startups and established companies across the US, Canada, the UK, and Africa.
AI ENGINEERING
I build production-ready AI applications using modern AI technologies, including:
• Large Language Models (OpenAI, Gemini, Claude)
• Retrieval-Augmented Generation (RAG)
• AI Agents & Agentic Workflows
• Prompt Engineering
• LangChain
• LlamaIndex
• Model Context Protocol (MCP)
• Vector Databases & Semantic Search
• Embeddings
• Conversational AI
• Document Intelligence
• Knowledge Retrieval Systems
• AI Workflow Automation
• AI Evaluation & Hallucination Testing
BACKEND ENGINEERING
I design secure, scalable, and high-performance backend systems using:
• Golang
• Python (FastAPI, Django)
• Node.js
• NestJS
• Express.js
• C#/.NET
• REST APIs
• GraphQL
• Microservices
• Distributed Systems
• Event-Driven Architecture
• Queue-Based Processing
• Background Workers
• WebSockets
• API Security
• JWT
• OAuth2
• RBAC
FRONTEND DEVELOPMENT
I build responsive, modern user interfaces using:
• React
• Next.js
• Vue.js
• Nuxt.js
• TypeScript
• JavaScript
• Flutter
• Tailwind CSS
• Responsive UI
• API Integration
• Role-Based Dashboards
DATABASES
• PostgreSQL
• MySQL
• MongoDB
• Redis
• SQL Server
• DynamoDB
• SQLite
CLOUD & DEVOPS
• Docker
• Kubernetes
• AWS (Lambda, API Gateway, EC2, S3, RDS, CloudWatch, SNS)
• Azure
• Google Cloud Platform (GCP)
• GitHub Actions
• Azure DevOps
• CI/CD
• Linux
• Nginx
FINTECH & ENTERPRISE SYSTEMS
I have extensive experience building secure, mission-critical financial systems, including:
• Payment Gateways
• Banking Integrations
• Merchant Platforms
• Transaction Processing
• Financial APIs
• Authentication & Authorization
• Reconciliation Systems
• Audit Logging
• Compliance-Oriented Systems
• Financial Workflow Automation
WHAT I CAN HELP YOU BUILD
✔ AI Assistants & Chatbots
✔ LLM-Powered Applications
✔ Retrieval-Augmented Generation (RAG) Systems
✔ AI Agents & Business Automation
✔ Backend APIs & Microservices
✔ Fintech & Payment Platforms
✔ Cloud-Native Applications
✔ SaaS Products
✔ Enterprise Dashboards
✔ Full-Stack Web Applications
✔ Developer Tools
✔ Workflow Automation Platforms
WHY CLIENTS CHOOSE ME
✔ 5+ years of professional software engineering experience
✔ Expertise in AI engineering, LLMs, RAG, and AI agents
✔ Strong background in backend architecture and distributed systems
✔ Technical Lead experience delivering enterprise-scale solutions
✔ Production-ready, clean, maintainable, and well-documented code
✔ Excellent communication and proactive collaboration
✔ Focus on performance, scalability, security, and long-term maintainability
Whether you need an AI-powered application, a scalable backend, a fintech platform, or a complete full-stack product, I can help transform your ideas into reliable, secure, and production-ready software that delivers real business value.
Steps for completing your project
After purchasing the project, send requirements so Fantahun can start the project.
Delivery time starts when Fantahun receives requirements from you.
Fantahun works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Analysis
Review client’s project details, goals, and tech stack.
API Architecture Design
Design scalable API endpoints, database schema, and authentication flow.