You will get a production-ready FastAPI backend with secure REST APIs
Project details
Need a reliable FastAPI backend that is secure, scalable, and ready for production?
I build high-performance backend systems that power SaaS applications, internal platforms, and business-critical APIs. With 7+ years of experience—including engineering enterprise billing systems at Safaricom—I deliver clean, maintainable code that scales as your business grows.
Whether you're launching a new product or improving an existing one, I can help you build a backend with:
• FastAPI and Python best practices
• RESTful APIs with clear documentation (OpenAPI/Swagger)
• PostgreSQL database design and optimization
• JWT authentication and role-based access control
• Third-party API integrations (payments, messaging, external services)
• Docker-ready deployments and production configurations
• Automated testing and clean architecture
Every project is developed with performance, security, and maintainability in mind, so you receive a backend that's ready for real-world use—not just a proof of concept.
If your project requires additional features or a custom architecture, feel free to contact me before placing an order. I'm happy to discuss the best solution for your needs.
I build high-performance backend systems that power SaaS applications, internal platforms, and business-critical APIs. With 7+ years of experience—including engineering enterprise billing systems at Safaricom—I deliver clean, maintainable code that scales as your business grows.
Whether you're launching a new product or improving an existing one, I can help you build a backend with:
• FastAPI and Python best practices
• RESTful APIs with clear documentation (OpenAPI/Swagger)
• PostgreSQL database design and optimization
• JWT authentication and role-based access control
• Third-party API integrations (payments, messaging, external services)
• Docker-ready deployments and production configurations
• Automated testing and clean architecture
Every project is developed with performance, security, and maintainability in mind, so you receive a backend that's ready for real-world use—not just a proof of concept.
If your project requires additional features or a custom architecture, feel free to contact me before placing an order. I'm happy to discuss the best solution for your needs.
Programming Languages
HTML & CSS, JavaScript, PythonWhat's included
| Service Tiers |
Starter
$250
|
Standard
$750
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 2 | 3 | Unlimited |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
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DS
David S.
Oct 18, 2024
Minor Modification of Django Docker Template
Lester did a great job on the project, he was very patient with me and went above and beyond to complete the work.
I would highly recommend his services.
I would highly recommend his services.
About Lester
Senior Python Backend Engineer | SaaS, APIs & AI Integration | Cloud
Nairobi, Kenya - 6:52 am local time
You're in the right place.
I'm a Senior Software Engineer with 7+ years of experience building backend systems with Python, Django, FastAPI, and AWS. I've delivered enterprise software at Safaricom, built production SaaS platforms, and helped businesses improve performance, reliability, and development speed.
What I can help you build
✔ Scalable SaaS applications
✔ REST APIs and third-party integrations
✔ Backend systems with Django, FastAPI, and Flask
✔ AWS, Docker, Kubernetes, and CI/CD infrastructure
✔ AI-powered features and API integrations
✔ Performance optimization and legacy system modernization
Results I've delivered
• Reduced billing errors by 20% by refactoring a large-scale telecom billing platform.
• Reduced development time by 35% by improving engineering workflows and delivery processes.
• Reduced production bugs by 90% through automated testing and improved code quality.
• Improved data processing performance by 30% by designing scalable cloud-based data pipelines.
Selected Projects
SalonFlow – A production-ready salon management SaaS with M-Pesa payments, scheduling, analytics, notifications, and role-based access.
ParityCheck – A developer platform that detects configuration drift across development, staging, and production environments.
MediSawa – A telemedicine platform with appointment scheduling, secure messaging, and patient management.
Whether you need to launch a new product, scale an existing platform, or solve complex backend challenges, I focus on writing clean, maintainable software that delivers long-term value.
Let's build something great.
Steps for completing your project
After purchasing the project, send requirements so Lester can start the project.
Delivery time starts when Lester receives requirements from you.
Lester works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements & Planning
I review your business goals, API requirements, existing codebase, and deployment preferences to define the backend architecture and project scope.
Backend Architecture Setup
I set up a clean FastAPI project structure, database models, environment configuration, and the core backend foundation.