Javad Alirezaeyan
Hi, I’m Javad Alirezaeyan, a software engineer with over a decade of experience building web applications, APIs, and scalable systems. js, and React, with a strong focus on reliability, performance, and maintainability.
About
Hi, I’m Javad Alirezaeyan, a software engineer with over a decade of experience building web applications, APIs, and scalable systems. I specialize in backend and full‑stack development using Java, Spring Boot, PHP, Node.js, and React, with a strong focus on reliability, performance, and maintainability. I enjoy solving complex problems, collaborating across product, design, and operations teams, and delivering high‑impact features.
In my current role at Willhaben in Vienna, I lead technical initiatives, design scalable microservices, and drive cloud migrations and observability improvements. I’ve also built and modernized enterprise backend systems for diverse clients, mentored teams, and contributed to data pipelines, search infrastructure, and automation to improve efficiency and system health.
- 15 years' experience
- Joined March 2026
Skills· 18
Languages
- EnglishFluent
- GermanIntermediate
- PersianFluent
- KurdishFluent
Industry experience
- Software & Internet
- Professional Services
- Education
- Media & Entertainment
- Transportation & Logistics
Work experience· 6 roles
Acting as Technical Project Lead within the vehicle marketplace domain; designing and developing scalable backend systems and microservices; leading server-side API design and complex system integrations; refactoring legacy systems to improve maintainability and performance; contributing to infra migrations and technology upgrades; collaborating with cross-functional teams to deliver features; contributing to search and logging infrastructure using OpenSearch and Logstash; implementing structured logging and monitoring; designing and maintaining background jobs and scheduled tasks; practicing pair programming and code reviews; participating in on-call rotations.
Technical Project Lead in the vehicle marketplace domain; designing scalable backend systems with PHP and microservices; leading server-side API design and complex system integrations; refactoring and modernization of legacy systems; contributing to cloud and container migrations; collaborating with cross-functional teams (product, frontend, DevOps); contributing to search and logging infrastructure (OpenSearch, Logstash); implementing structured logging and monitoring; designing and maintaining background jobs and cron tasks; practicing pair programming and code reviews; participating in on-call rotation for production stability.
Designed and implemented backend systems using PHP and Node.js; led database architecture and server-side application design; contributed to frontend development for web applications; managed development team activities following software engineering best practices; collaborated with stakeholders to analyze requirements and deliver tailored solutions.
Education
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