Aladdin Biyabangerd

About

I build reliable production backends — Java, Spring Boot, microservices, databases, and security — from API and business logic through performance, integration, and debugging. AI-assisted engineering, without compromising correctness.

Technical Expertise

Backend Engineering
Java · Spring Boot · Spring Security · JPA · Hibernate · REST · Transactions
System Architecture
Microservices · Modular Architecture · API Gateway · Design Patterns · SOLID
Data Engineering
Oracle · PostgreSQL · MySQL · SQL · PL/SQL · Query Optimization · Indexing · ACID
Security & Reliability
JWT · RBAC · Audit Logging · Exception Handling · Idempotent Operations
Infrastructure & Delivery
Docker · Docker Compose · AWS S3 · CI/CD · Git · Deployment
AI-Assisted Engineering
Development · Debugging · Refactoring · Code Review · Tests · Documentation

Professional Experience

  1. Software Engineer · Backend Developer

    February 2026 — Present

    VTB Bank (Azerbaijan) · Full-time

    • Backend for internal and customer-facing banking workflows.
    • ACID financial flows in a microservice architecture.
    • Query optimization, indexing, and SQL analysis.
    • Audit logging, production debugging, and safe refactoring.
  2. Java Software Developer

    December 2025 — Present

    Ingress Academy · Part-time

    • Backend for Ingress Academy's operational platform — APIs, admin panel, and frontend integration.
    • Authentication, validation, and daily production workflows.
  3. Java Mentor

    July 2025 — Present

    Ingress Academy · Contract

    • Mentor Java and backend fundamentals; review architecture, debugging, and maintainability.
    • Help students go from individual technologies to complete backend applications.

Selected Projects

Engineering Focus

Production backends · Business-critical workflows · Data integrity · Secure APIs · Maintainable systems

Need custom software built for your business?