I am Hamed Zahedifar, a software architect and distributed systems specialist with more than a decade of experience leading engineering teams and delivering end-to-end software across fintech, telecom, cloud-native services, and mobile platforms. I have built reliable, scalable systems by applying solid engineering fundamentals and modern design principles, and I excel at leading cross-functional teams to deliver high-impact solutions. I specialize in JVM tuning, concurrency models, event-driven and reactive programming, and real-time data pipelines. I’ve delivered large-scale enterprise systems using Jakarta EE and cloud-native technologies, and I am passionate about building observable, maintainable architectures with strong runtime performance and clear data flows.

Hamed Zahedifar

I am Hamed Zahedifar, a software architect and distributed systems specialist with more than a decade of experience leading engineering teams and delivering end-to-end software across fintech, telecom, cloud-native services, and mobile platforms. I have built reliable, scalable systems by applying solid engineering fundamentals and modern design principles, and I excel at leading cross-functional teams to deliver high-impact solutions. I specialize in JVM tuning, concurrency models, event-driven and reactive programming, and real-time data pipelines. I’ve delivered large-scale enterprise systems using Jakarta EE and cloud-native technologies, and I am passionate about building observable, maintainable architectures with strong runtime performance and clear data flows.

Available to hire

I am Hamed Zahedifar, a software architect and distributed systems specialist with more than a decade of experience leading engineering teams and delivering end-to-end software across fintech, telecom, cloud-native services, and mobile platforms. I have built reliable, scalable systems by applying solid engineering fundamentals and modern design principles, and I excel at leading cross-functional teams to deliver high-impact solutions.

I specialize in JVM tuning, concurrency models, event-driven and reactive programming, and real-time data pipelines. I’ve delivered large-scale enterprise systems using Jakarta EE and cloud-native technologies, and I am passionate about building observable, maintainable architectures with strong runtime performance and clear data flows.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Integration Solution – Architecture & Implementation
December 31, 2025 - July 23, 2025
Designed and implemented an integration layer connecting a legacy ERP system with modern external services for a mobile after-sales application using Change Data Capture for real-time data synchronization. Enabled seamless two-way communication and improved data reliability via event-driven patterns and transactional guarantees, empowering real-time after-sales support without coupling to ERP internal logic.
Software Architect at Beauty Platform (YUV UK - Remote)
January 1, 2025 - July 23, 2025
Collaborated with cross-functional teams to define workflows and strategies for service implementations. Conducted business analysis and designed data models for client and admin workflows. Established a multi-tiered environment on Google Cloud for automation of software development lifecycle including development, testing, and deployment. Leveraged Google Cloud services such as Cloud SQL, App Engine, Firebase, PubSub, and Cloud Run to build resilient, multi-tiered applications.
Lead Architect and Developer at Trading Platform & OMS (Vestun - Remote)
January 1, 2022 - July 23, 2025
Led design and development of a high-performance trading platform integrating multiple exchanges, processing over 10,000 ticks per second per server. Developed a microservices architecture with subsystems including a Hadoop-based data warehouse, core trading engine using actor-model concurrency, and a secure dashboard using Spring MVC. Implemented RBAC with Spring Security, ensuring fine-grained permission management. Used Spring Boot, Spring Data, and Spring Cloud for scalable, maintainable services with low latency and asynchronous communication.
Platform Architect at Real-Time As A Service Platform (ABRIN)
January 1, 2018 - July 23, 2025
Architected a highly resilient and scalable messaging infrastructure capable of handling 60,000 messages per second per node using lightweight threads and the actor model. Optimized data synchronization with a high-throughput messaging protocol achieving 2 million messages per second for geo-distributed systems. Developed multi-layered data abstraction for big data processing and created a custom stress test toolkit leveraging Netty for bottleneck identification and failure handling under extreme loads.
Mobile Application Developer at Mobile Applications
January 1, 2013 - September 23, 2025
Built mobile apps across Java ME and Android; developed secure networked apps, GPS-enabled routing, and cross-platform deployment strategies including a PaaS for native mobile apps via web services.

Education

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Qualifications

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Industry Experience

Financial Services, Software & Internet, Telecommunications, Media & Entertainment, Professional Services, Transportation & Logistics, Computers & Electronics, Education, Manufacturing