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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.…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.

Javad Alirezaeyan

Full Stack Developer, Web Developer, Back-End Developer, +3

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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.…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.

Available to hire

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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

German

Intermediate

Persian

Fluent

Kurdish

Fluent

Work Experience

FULL STACK DEVELOPER/TECHNICAL PROJECT LEAD at WILLHABEN

January 1, 2020 - Present

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.

FULL STACK DEVELOPER at RAMANPARDAZ

January 1, 2014 - January 1, 2020

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.

WEB PROGRAMMER at ORGANIZATION OF RELIEF FOUNDATION

January 1, 2012 - January 1, 2014

Designed and implemented web applications; configured network and server environments; analyzed business requirements and translated them into technical solutions.

PART-TIME LECTURER at URMIA UNIVERSITY; ILAM UNIVERSITY

January 1, 2011 - January 1, 2018

Teaching web programming, software engineering, computer networks, Java programming, Android programming, C++, Operating Systems, OS Lab, and Analytical Systems for undergraduate students across the two universities.

Full Stack Developer / Technical Project Lead at Willhaben

January 1, 2020 - Present

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.

Part-Time Lecturer at URMIA University / ILAM University

January 1, 2011 - January 1, 2018

Teaching web programming, software engineering, computer networks, Java programming, Android programming, C++, Operating Systems, OS Lab, and Analytical Systems for undergraduate students.