Muhammet
Aslan
Tech Lead & backend engineer. Five years working on Go systems with millions of users, and the AWS platforms they run on.
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Jan – Sep 2022
Hepsiburada
Backend Developer
80K+
sellers on the Seller Portal
One of Türkiye’s largest e-commerce platforms. Part of a team of about 10, and my first production Go.
- Worked on the Seller Portal backend, 100M+ products
- Documented 300+ endpoints for external integrators
- Fixed an authorization issue in the admin panel
May 2022 – Jun 2023
Jelylabs
Co-Founder · Backend
0 → 1
co-founded, backend built from scratch
Co-founded a startup and built its commerce backend end to end.
- Mobile e-commerce backend in Go/Fiber and Node.js
- Stripe payments and Vonage SMS verification
- Serverless on AWS Lambda, API Gateway, S3
Jun 2023 – Feb 2024
Gamegos
Backend Developer
50M+
API requests per day · 1.2M MAU
Part of a 10-person team on the backends of Manor Cafe, Cafeland and Adventure Bay, with 30M+ downloads.
- 29 Go microservices on Kubernetes and AWS
- Leaderboard for 100,000+ concurrent players
- YAML-configured API gateway built on go-chi
Apr – Oct 2024
Azerion
Backend Developer · Remote
2M
game keys distributed every month
Game key distributor with 800+ publishers and 4000+ retailers. I worked mostly solo on the backend.
- Migrated a core service from C# to Go, with a new auth service
- Encrypted key ingestion straight from email attachments
- Sales monitoring with hourly to monthly alerting
May 2025 – present
İşler Teknoloji
Tech Lead · Lead Software Engineer
1M+
registered users
The technology behind İşler Kitabevleri, with 500+ dealers across Türkiye. Leading 11 engineers across 9 production services.
- ZekAI, the free AI assistant in the İşler Cepte app: 270K questions a month, 91% rated helpful
- 500K analytics events a day on our self-hosted PostHog
- Operations moved onto a single admin panel, with a new campaign engine behind it
- Terraform-managed AWS, our own CI runners, Grafana monitoring
What’s next
Let’s talk.
Stack
Languages
- Go
- TypeScript
- Python
- Java
- C/C++
Backend
- Fiber
- Node.js
- NestJS
- GORM
- REST
- gRPC
- WebSocket
Data
- PostgreSQL
- MySQL
- MSSQL
- MongoDB
- DynamoDB
- Redis
- Clickhouse
Infra
- AWS
- GCP
- Terraform
- Docker
- Kubernetes
- Linux
- GitHub Actions
- Prometheus
- Grafana
Messaging
- SNS
- SQS
- River
- BullMQ
- RabbitMQ
- Consul
Frontend & mobile
- Next.js
- React
- React Native
What guides me
Hürriyet ve bağımsızlık benim karakterimdir.
Freedom and independence are my character.