About Systems Stack Contact

Available for projects

Backend & Automation
Engineer.

Architecting Infrastructure, APIs, and
Telegram Automation platforms

I build high-performance backend architectures, engineer sophisticated Telegram automation platforms, and manage robust cloud infrastructure. From writing the first line of code to reliable deployments. Full lifecycle engineering ownership.

Backend Systems API Architecture Telegram Bots DevOps
View Systems Get in Touch
class SystemsEngineer:
name = "Ashenafi Pawlos"
role = "Backend Systems Engineer"
stack = ["Python", "Django", "Aiogram", "pyTelegramBotAPI"]
infra = ["AWS", "Docker", "Nginx"]
status = True // production-ready

async def deploy(self, system):
await self.build(system)
await self.test(system)
await self.ship_to_production(system)

_
01.

Engineering Philosophy

I approach every system with a clear mindset: build it to last, build it to scale, and build it so someone else can maintain it. Every architectural decision is measured against production reality, not theoretical elegance.

Reliability First

Systems must work when no one is watching. I design for failure scenarios, implement graceful degradation, and build monitoring into every service.

Maintainability

Code is read far more than it is written. I structure projects with clear separation of concerns, consistent patterns, and documentation that serves future developers.

Scalability

Architecture decisions are made with growth in mind. From caching strategies to async processing, every system is built to handle increasing load without re-architecture.

Operational Simplicity

Complex internals, simple operations. I automate deployments, standardize configurations, and build systems that are straightforward to operate and debug.

02.

Core Expertise

Backend Engineering

Production backend systems using Django and Django REST Framework. Complex data models, business logic layers, background task processing, and database optimization.

API Architecture

RESTful API design with authentication, rate limiting, pagination, and documentation. JWT-based auth systems, API key management, and secure endpoint design.

Telegram Automation

Sophisticated Telegram bot platforms using Aiogram 3.x and pyTelegramBotAPI. State machines, inline keyboards, rate limiting, Redis sessions, broadcast systems, and webhook integrations.

System Integrations

Connecting backend services with payment gateways, notification systems, file storage, and third-party APIs. Reliable integration layers with error handling and retry logic.

DevOps & Deployment

Full deployment ownership: Docker containerization, Nginx reverse proxies, AWS infrastructure, CI/CD pipelines, server management, and production monitoring.

03.

Production Operations

I don't just write code and hand it off. I deploy every system I build, manage the servers, maintain uptime, and handle infrastructure issues. Full engineering ownership from development through operations.

ACTIVE

Server Deployment

Complete deployment workflow: provisioning, configuration, containerization with Docker, and reverse proxy setup with Nginx.

ACTIVE

Service Management

Managing multiple production services including web servers, background workers, databases, cache layers, and bot processes across environments.

ACTIVE

Infrastructure Reliability

AWS infrastructure management: compute instances, managed databases, object storage, security groups, and networking.

MONITORING

Production Monitoring

Logging, error tracking, and health monitoring across all services. Structured logging and proactive monitoring to catch issues early.

MONITORING

Uptime Management

Maintaining high availability for production systems. Handling incidents, zero-downtime updates, and live database migrations.

AUTOMATED

Backup & Recovery

Automated backup systems for databases and codebases. Scripted procedures, secure storage, and tested recovery processes.

04.

Featured Systems

Production systems I've designed, built, deployed, and operate. Each system solves a real-world problem and runs in production environments serving real users.

Backend Systems

PRODUCTION

Adulis

Financial platform with deal management, bidding, escrow, wallet system, and admin dashboard. Handles real financial transactions.

DjangoDRFCeleryAWS
PRODUCTION

Azebot

Headless e-commerce API powering an online fashion platform. Product catalog, cart, orders, wishlist, and financial management.

DjangoDRFDockerS3
PRODUCTION

Sebez

Multi-vendor e-commerce backend powering a mobile application. Vendor management, orders, real-time chat support, and notifications.

DjangoPostgreSQLDockerAWS
See All Backend Systems

Telegram Bot Systems

LIVE

LenegeQuizBot

Educational quiz platform serving thousands of students. Multi-grade questions, competitive scoring, broadcasting, and scheduled sessions.

AiogramRedisDockeruvloop
LIVE

CrowdKeeper

Group management and moderation bot with web admin panel, premium tiers, auto-moderation, statistics, and Celery background workers.

AiogramDjangoCeleryRedis
LIVE

InternLance

Job and internship platform with three coordinated bots for applicants, employers, and admins. Django backend with web application.

AiogramDjangoDRFPostgreSQL
See All Telegram Bots
05.

Tools & Technologies

Languages

Python for all backend and bot development. Go for microservice architectures. JavaScript for frontend and tooling.

Frameworks

Django & DRF for production APIs and admin systems. Aiogram 3.x & pyTelegramBotAPI for async Telegram bot development. Celery for distributed task queues.

Databases

PostgreSQL as primary relational database. Redis for caching, sessions, rate limiting, and message broker for Celery.

Infrastructure

AWS (EC2, RDS, S3) for production hosting. Docker for containerization of all services. Nginx for reverse proxy and static serving.

Automation & CI/CD

GitHub Actions for CI/CD pipelines. Gunicorn as WSGI production server. Shell scripting for deployment automation.

Messaging & APIs

RabbitMQ for message queuing in microservices. Telegram Bot API for bot platform integration. REST APIs as standard API protocols.

06.

Achievements & Certifications

ALX ProDev Backend Engineering Certificate
CERTIFICATION

ALX ProDev Backend Engineering

ALX Africa, October 2025

Completed the 4-month ALX Software Engineering Programme in ProDev Backend, covering scalable system design, database optimization, CI/CD practices, and production deployment strategies.

ALX Professional Foundations Certificate
CERTIFICATION

ALX Professional Foundations

ALX Africa, June 2025

Completed ALX Professional Development Skills for the Digital Age, covering professional communication, critical thinking, and modern collaboration frameworks.

150K+
Total Users
50K+ MAU
MILESTONE

LenegeQuizBot: 150K+ Users

Telegram Platform | Live

Built and scaled LenegeQuizBot to 150K+ total users with 50K+ monthly active users. Serving thousands of students daily with educational quizzes across multiple grade levels.

07.

Let's Build Something

I'm available for backend engineering projects, Telegram bot platforms, API development, and system architecture consulting. If you're a startup, technical founder, or team that needs production-grade backend systems, let's talk.

Email ashenafi.pawlos.dev
Telegram @ASHEN4FI
GitHub 4shenafi