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meliezer - Overview

Hi, I'm Menashe 👋

Senior Backend Engineer with 20+ years of experience building scalable backend systems, cloud-native platforms, realtime services, production-grade APIs, and delivery workflows across enterprise, fintech, cybersecurity, and DevSecOps environments.

Recently focused on:

  • realtime streaming systems
  • async architectures
  • AI gateway patterns
  • distributed backend services
  • DevSecOps and platform engineering
  • continuous verification and delivery workflows
  • infrastructure security automation
  • CI/CD portability and developer productivity

🔧 Tech Focus

Backend & Distributed Systems

  • Java (8–21), Kotlin, TypeScript, Go, PHP
  • Spring Boot, Quarkus (Mutiny), Node.js
  • Microservices, Distributed Systems, REST APIs
  • Realtime Streaming, SSE, Redis Pub/Sub
  • PostgreSQL, MongoDB, Kafka

Cloud, Platform & DevSecOps

  • Docker, Kubernetes, Terraform
  • GitLab CI/CD, GitHub Actions, CircleCI
  • Checkov, SAST, Container Scanning
  • Infrastructure-as-Code security
  • Observability, Production Operations
  • Security automation and governance workflows
  • Continuous Verification

🚀 Selected Work

Platform Security Toolkit

Lightweight DevSecOps and platform-engineering showcase featuring:

  • Terraform infrastructure scenarios
  • Checkov IaC security scanning
  • GitLab CI security workflows
  • remediation and soft-fail governance flows
  • Go-based security reporting tooling
  • configurable accepted-findings policies

Focused on practical Infrastructure-as-Code security automation and platform engineering workflows.

Realtime AI Gateway

Prototype realtime AI gateway featuring:

  • OpenAI-compatible streaming APIs
  • Redis pub/sub event streaming
  • BullMQ async workers
  • SSE token streaming
  • structured observability
  • continuous verification workflows
  • GitHub Actions and CircleCI integration
  • production-minded backend architecture

Inventory Concurrency Demo

Concurrency handling with optimistic locking, retry strategies, transactional correctness, and PostgreSQL consistency patterns.

GitLab DevSecOps Showcase

Production-style CI/CD, DevSecOps, and delivery engineering showcase featuring:

  • SAST and container scanning
  • dependency scanning
  • CI security workflows
  • GitLab pipeline orchestration
  • security-oriented backend delivery practices

Quarkus Real-Time Offer Service

TDD-driven Quarkus service showcasing reactive backend patterns, clean architecture, and production-style engineering workflows.

🌍 Open Source Contributions

Contributed to enterprise-grade open-source projects across Java, Go, Rust, Python, and PHP ecosystems including:

  • Spring Security
  • Kubernetes SIGs (controller-tools)
  • GitPython
  • Symfony
  • Rust reqwest

Highlights include:

  • fixing repository autodiscovery in linked Git worktrees (GitPython)
  • resolving HTTP request conversion inconsistencies in reqwest while preserving HTTP version and extensions across blocking and async behavior
  • contributing a Symfony Validator fix supporting PHP 8.4 property hooks in property metadata resolution
  • improving schema validation and regression coverage in framework configuration systems
  • adapting framework internals and tests to evolving language features and cross-version compatibility requirements

🔗 Profiles