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Senior Systems ArchitectBerlin, Germany

Iyad Alkentar

Senior Backend & Platform Engineer · Event-Driven Architect

Senior Software Engineer (Java/Spring Boot/NestJS) — Event-Driven Architecture, Telecom-Scale Systems & LLM Integrations

Consult with IyadLinkedInGitHubWebsiteEmail
12+Years in Backend EngineeringTelecom, ERP & distributed systems
3M+Daily Messages HandledZero-downtime event-driven engine
20%Wait Time ReductionCroneQ POS queueing architecture
100%Engineering ReliabilityFault-tolerant enterprise systems

Background & Philosophy

Bridging algorithmic theory with high-performance production software

I build the backend systems that keep businesses running at scale — and, more recently, the ones that integrate AI to make them run smarter. With 12+ years of production experience as a backend engineer across telecom, ERP, and travel-tech, I specialize in Java/Spring Boot, NestJS, and Python, with a disciplined focus on microservices and event-driven architecture.

Throughout my career, I have engineered systems where zero downtime and extreme concurrency are non-negotiable. At Syriatel Mobile Telecom, I led the architecture of a multi-service, event-driven Bulk Messaging System handling 3 million messages per day — doubling throughput with zero downtime during the SMPP carrier integration. At maids.cc, I designed backend marketing automation pipelines and integrated OpenAI and LivePerson to deploy intelligent, AI-routed customer support systems that slashed client response times.

My core engineering stack centers on Java, Spring Boot, Kafka, PostgreSQL, Docker, and AWS. In current initiatives and side projects, I leverage Go and Kubernetes-native infrastructure to apply resilient distributed systems patterns to modern cloud ecosystems. Having relocated to Berlin, I partner with engineering teams and high-growth organizations to architect fault-tolerant backends, modernize mission-critical pipelines, and integrate practical AI automation.

Professional Experience

Trajectory across enterprise architecture and modern product engineering

Senior Software Developer

maids.cc - AI & Tech·Dubai, United Arab Emirates
April 2022 — December 2025

Designed and implemented scalable backend services, marketing automation infrastructure, and intelligent customer support pipelines for enterprise client management.

  • Designed and implemented backend services for enterprise marketing and client management platforms.
  • Built an AI-routed customer support pipeline integrating OpenAI to automate client assistance and cut response times.
  • Integrated Meta Business API to build custom audience and campaign automation features, significantly improving marketing efficiency and targeting accuracy.
  • Integrated LivePerson messaging platform, enhancing real-time customer engagement and reducing response times.
  • Developed client management and reporting modules that delivered actionable insights and increased internal productivity.
  • Collaborated with cross-functional and remote teams to deliver scalable, maintainable microservices in production environments.

Senior Software Engineer

s-apps·Damascus, Syria
April 2020 — March 2022

Architected custom enterprise modules and performance optimizations using Odoo ERP for industrial manufacturing operations.

  • Designed and developed a Purchase Requests module for a transformer factory using Odoo ERP, reducing request processing time and manual effort.
  • Contributed to system stability and performance tuning in a production ERP environment.
  • Optimized database queries and business logic workflows to ensure high reliability across factory operations.

Senior Software Developer

Syriatel Mobile Telecom·Damascus, Syria
July 2016 — March 2020

Spearheaded the backend architecture and development of telecom-scale messaging platforms, POS scheduling systems, and high-availability enterprise services.

  • Led the architecture and development of an Integrated Bulk Messaging System handling 3M messages/day, doubling message throughput while maintaining system stability.
  • Executed zero-downtime SMPP integration during live, high-volume carrier messaging traffic.
  • Designed and built CroneQ, a queueing and scheduling system for POS environments, reducing customer waiting time by 20%.
  • Defined system architecture, performance strategies, and monitoring tools for large-scale telecom operations.
  • Collaborated with business, operations, and engineering teams to deliver high-availability enterprise systems with stringent 99.99% SLAs.

Software Developer

Invest4all·Damascus, Syria
January 2014 — June 2016

Engineered enterprise document management solutions and browser-to-hardware scanner integrations.

  • Enhanced the Docunet Archiving System by enabling browser-based scanner integration (WIA), significantly improving document processing speed.
  • Designed structured document management solutions for multiple enterprise clients, ensuring data integrity and compliance.
  • Participated in system analysis, implementation, and ongoing maintenance of enterprise document systems.

Software Developer

ZGroup·Damascus, Syria
January 2012 — June 2013

Developed core indexing logic and data extraction pipelines for vertical search engine infrastructure.

  • Developed core features for a vertical search engine, focusing on multi-site data extraction and indexing.
  • Improved search accuracy and relevance through optimized data processing logic.
  • Collaborated with senior engineers on backend feature development and performance improvements.

Featured Innovations & Products

Platforms, AI tools, and architectures engineered by Iyad

Telecom Scale

Telecom Integrated Bulk Messaging Engine

Event-Driven Messaging Processing 3M+ Daily Messages

Architected a multi-service event-driven messaging platform at Syriatel handling 3M+ daily messages, doubling throughput with zero downtime during SMPP protocol integration.

JavaSpring BootSMPPApache KafkaPostgreSQLDocker
AI & LLM Integration

AI-Routed Customer Support Pipeline

Automated Client Assistance via OpenAI & LivePerson

Built an intelligent customer support pipeline at maids.cc integrating OpenAI to automatically triage inquiries, automate assistance, and slash client response times.

OpenAI APINestJSNode.jsLivePerson APIAWS
High Availability

CroneQ POS Queueing & Scheduling System

Point-of-Sale Real-Time Task & Customer Flow Orchestration

Designed and built CroneQ to manage customer queueing and task scheduling across telecom POS environments, reducing retail customer waiting times by 20%.

JavaSpring BootPostgreSQLRedisDistributed Scheduling

Engineering Projects & Systems

Production platforms, biometric pipelines, healthcare AI, and cloud architectures

Syriatel Mobile Telecom3M+ Daily MsgsEvent-Driven & Telecom

Carrier-Grade Bulk Messaging Gateway

High-Throughput Telecom Messaging & SMPP Integration

A high-performance event-driven messaging engine designed to process transactional notifications, subscriber alerts, and enterprise bulk campaigns at telecom scale.

  • Throughput Doubling: Architected a multi-service pipeline that doubled message throughput while maintaining system stability.
  • Zero-Downtime Integration: Accomplished seamless SMPP protocol carrier integration with zero service downtime during live production traffic.
  • High Reliability: Built distributed queueing and resilient failure recovery mechanisms for carrier-grade availability.
JavaSpring BootSMPPApache KafkaPostgreSQLDockerLinux
Syriatel Mobile Telecom20% Wait ReductionDistributed Systems & Cloud

CroneQ POS Queueing & Scheduling Platform

Distributed Service Desk Optimization & Wait Time Reduction

A queueing and scheduling system deployed across retail point-of-sale service locations to streamline customer intake, desk assignments, and service delivery.

  • Customer Flow Optimization: Reduced customer waiting times by 20% through intelligent routing algorithms.
  • Real-Time Telemetry: Equipped branch managers with operational metrics and desk utilization insights.
  • Reliability Engineering: Designed for continuous high-availability operation during peak customer hours.
JavaSpring BootPostgreSQLRedisREST APIsDocker
maids.cc - AI & TechOpenAI IntegrationAI & Automation

AI-Routed Customer Support & Triage Pipeline

Autonomous Client Assistance & Response Acceleration

An automated support routing pipeline utilizing OpenAI to parse incoming client queries, automate common responses, and direct complex cases to support specialists.

  • Response Acceleration: Cut customer waiting and response times through intelligent automated first-line triage.
  • Omnichannel Messaging: Unified customer touchpoints across web and mobile via LivePerson platform integration.
  • Enterprise Scalability: Handled high-traffic volume with reliable microservice architecture.
OpenAI APINestJSNode.jsLivePerson APIAWSDocker
maids.cc - AI & TechMarketing AutomationAI & Automation

Meta Business API Marketing Automation Engine

Dynamic Audience Segmentation & Campaign Automation

Backend integration services synchronizing enterprise customer cohorts with Meta Business API to automate advertising campaigns and audience targeting.

  • Targeting Accuracy: Significantly boosted marketing ROI and customer acquisition efficiency through dynamic audience syncing.
  • Automated Triggers: Streamlined campaign updates in response to real-time client lifecycle events.
  • Production Resilience: Engineered rate-limiting handling and retry queues for external Meta Graph API calls.
NestJSNode.jsMeta Business APIPostgreSQLRedisAWS
s-appsIndustrial ERPEnterprise ERP & Operations

Transformer Factory Purchase Requests ERP Module

Custom Procurement Workflow Automation in Odoo ERP

A custom procurement and purchase requests module developed for an industrial transformer manufacturing facility using Odoo ERP.

  • Cycle Time Reduction: Reduced request processing duration and manual paperwork across departments.
  • System Stability: Delivered database query optimizations and performance tuning in a production ERP environment.
  • Workflow Governance: Enforced approval hierarchies and audit-ready requisition tracking.
PythonOdoo ERPPostgreSQLXML-RPCLinux
Invest4allWIA Hardware IntegrationEnterprise ERP & Operations

Docunet Archiving & Browser Scanner Integration

Hardware-Integrated Document Management & Secure Archiving

Enhanced an enterprise document management platform by integrating browser-based scanner hardware interfaces (WIA) for frictionless document ingestion.

  • Direct Scanner Integration: Enabled direct browser-based scanning via WIA, substantially accelerating document ingestion.
  • Compliance & Integrity: Implemented structured document management solutions ensuring data integrity and regulatory compliance.
  • Multi-Enterprise Deployment: Maintained and supported document archives for enterprise corporate clients.
.NET FrameworkC#WIA APISQL ServerJavaScript
ZGroupSearch IndexingDistributed Systems & Cloud

Vertical Search Engine Data Extraction & Indexing

High-Efficiency Web Crawling & Targeted Content Indexing

Developed extraction pipelines and indexing algorithms for a domain-specific vertical search engine aggregating data across multi-site web resources.

  • Relevance Tuning: Improved search result accuracy and relevancy through optimized data parsing logic.
  • Data Ingestion: Engineered robust crawlers and data extraction routines for multi-site sources.
  • Performance Optimization: Worked alongside senior engineers on backend search query efficiency.
JavaData ExtractionSearch IndexingSQLLinux

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