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🔁 Also available in: 🇩🇪 Deutsch

👋 Hi, I'm Alexander Nitiola

Senior Software Engineer • Rust & Node.js • Distributed Systems
Building performant, fault-tolerant infrastructure with precision


🧠 About Me

I'm a backend-focused Software Engineer with over 4 years of experience designing and implementing high-performance systems in the fintech and infrastructure space. My core expertise lies in the Rust programming language (Actix Web, Axum, SQLx, Tokio) and Node.js with TypeScript (NestJS, Express).

I specialize in:

  • ✳️ Scalable microservices and distributed systems (Rust, TypeScript)
  • 🧮 SQL performance tuning and zero-downtime migrations
  • 🧭 Domain-Driven Design and Clean Architecture
  • 🔐 Security, observability, and resilient design patterns

I currently work as a Senior Software Engineer at Aella MFB, where I lead system design, performance optimization, and engineering best practices across business-critical services.


🛠️ Tech Stack

Language Frameworks Database DevOps & Cloud
Rust 🦀 Actix Web, Axum PostgreSQL, Redis Docker, AWS, GitHub Actions
TypeScript NestJS, Express MySQL CI/CD, Monitoring

📌 Career Highlights

  • ⚙️ Built distributed QR system with Redis and Rust — 80% faster generation
  • 💳 Engineered accounting microservices with 99.99% transaction accuracy
  • 🚀 Migrated legacy monolith to microservices — reduced deployment complexity
  • 🧠 Led DDD & Clean Code adoption — improved code quality and onboarding
  • 📉 Cut DB query response time by 60% with advanced tuning

📜 Certifications

Certificate Issuer
Rust Programming Specialization Duke University
Software Engineer HackerRank
SQL Advanced HackerRank
Problem Solving HackerRank

🌍 Location & Relocation

  • 📍 Lagos, Nigeria — Open to relocation across Europe
  • 🇪🇺 Eligible for EU Blue Card sponsorship
  • 🗣️ English (Proficient), German (A1)

🤝 Let’s Connect

🛠️ Open to backend engineering roles using Rust or Node.js, with a focus on performance, resilience, and system design.
Let’s build scalable, efficient, and future-proof systems together.

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