$ whoami

Backend Engineer, ,
System Architect.

I'm Rezki, a backend engineer based in Jakarta specializing in building scalable, high-performance systems. I craft robust APIs, design efficient databases, and solve complex system design challenges.

APIs
Databases
System Design
Get in touchView projects
$cat about.txt
cat about.txt
# Bio

Name: Rezki Nasrullah

Role: Backend Engineer

Location: Jakarta, Indonesia

Focus: APIs, System Design, Scalability

# Summary

Backend engineer with 8+ years of experience building scalable systems. Specialized in Go, .NET, and PHP ecosystems. Passionate about clean code, distributed systems, and solving complex technical challenges.

8+
Years Experience
50+
Projects Built
20+
Articles Written
3
Companies
$git log --oneline --graph

My professional journey as a backend engineer

experience.log

D3 LabsCurrent

Backend Engineer

Apr 2025 — PresentBlockchain - Singapore

Building scalable blockchain infrastructure and APIs

$ echo "Key Achievements"
Reduced API latency by 40%
Handled 100k+ requests/sec
Implemented microservices architecture
Designed blockchain transaction processing system
GoBlockchaingRPCPostgreSQLRedisKubernetes

Berlian Sistem Informasi

Backend Engineer

Jul 2024 — Mar 2025Automotive - Indonesia

Developed high-performance backend systems for automotive solutions

$ echo "Key Achievements"
Built real-time vehicle tracking API
Implemented microservices for inventory management
Optimized database queries reducing load time by 60%
Designed secure payment gateway integration
NestJSGoPostgreSQLRedisDocker

Garuda Cyber Indonesia

Fullstack Developer

Nov 2016 — Jun 2024EdTech & FinTech - Indonesia

Led development of educational and financial technology platforms

$ echo "Key Achievements"
Architected and built multiple SaaS platforms
Led team of 5 developers
Implemented secure payment processing systems
Developed real-time collaboration features
LaravelPHPVue.jsPostgreSQLRedisAWS
$npm list --depth=0

Technologies and tools I use to build scalable systems

💻Languages
Go
v1.21
C# (.NET)
v8.0
PHP
v8.3
TypeScript
v5.x
⚡Frameworks
NestJS
Laravel
ASP.NET Core
Gin
🗄️Databases
PostgreSQL
Redis
MongoDB
Elasticsearch
🚀DevOps
Docker
Kubernetes
CI/CD
Linux
🛠️Tools
Git
AWS
Kafka
gRPC
$ls -la ./projects

Featured backend projects showcasing scalable system design

High-Performance API Gateway

Distributed API gateway handling 100k+ requests/sec with intelligent routing and caching

GogRPCRedisPostgreSQL+1
2024

Microservices Architecture

Scalable microservices infrastructure with service mesh and observability

NestJSDockerKubernetesIstio+1
2024

Real-time Data Pipeline

Event-driven data processing system for real-time analytics and reporting

KafkaPostgreSQLTypeScriptRedis+1
2023
$./more-projects.sh
View all projects
$medium --feed=@rezkinasrullah --limit=5

Latest articles on backend engineering and system design

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