# Yosief Frezghi

> Sr. Software Engineer at Albertsons Companies

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/yosief

Staff-level Software Engineer with 12+ years designing, developing, and modernizing enterprise-scale, high-traffic eCommerce platforms. Hands-on architect building resilient, Kafka-based event-driven microservices using Spring Boot, Spring WebFlux, and Project Reactor.

Experienced in building scalable distributed systems across Azure and AWS, with deep expertise in reactive system design, REST/gRPC APIs, Kubernetes, containers, CI/CD, and infrastructure as code. Strong background in both relational and non-relational databases, focused on high availability, resiliency patterns, and performance optimization.

Trusted technical leader driving architecture modernization, leading monolith-to-microservices transformations, and delivering measurable business impact at scale.

## Work Experience
### Sr Software Engineer @ Albertsons Companies
Jan 2020 – Present | Pleasanton, California, United States

### Technical Lead @ Avenue Code
Jan 2019 – Jan 2020 | San Francisco Bay Area

### Software Engineer III @ Jitterbit
Jan 2018 – Jan 2019 | Alameda, California

### Software Engineer II @ Jitterbit
Jan 2017 – Jan 2018 | Alameda, California, United States

### Software Engineer I @ Jitterbit
Jan 2016 – Jan 2017 | Alameda, California, United States

### Software Engineer @ Gap / Gap Inc.
Jan 2014 – Jan 2016

### Master Thesis Project @ Fondazione Bruno Kessler (FBK-irst)
Jan 2013 – Jan 2014
Developed a research based software solution to protect software applications against reverse engineering based software attacks. A malicious user can reverse engineer an application, generate software cracks and share it with other users to crack their own installation.  

As part of the thesis, Software Diversity was proposed as protection technique against reverse engineering based attacks.

Achievement: 
Thesis get published by European Union FP7 Project for Advanced Software Protection: Integration, Research and Exploitation (ASPIRE)  
https://aspire-fp7.eu/publications

The paper is also used as base for the  publication of the Search Based Clustering for Protecting Software with Diversified Updates paper.
https://link.springer.com/chapter/10.1007/978-3-319-47106-8_11

Environment:  Java, SQLites, Eclipse, Zelix Obfuscator, Redhat, Cluster of Computers, SVN

### Software Developer @ Galaxy Computer Academy & Solutions
Jan 2009 – Jan 2011 | Asmara, Eritrea


## Education
### Master of Science (M.Sc.) in Computer Science
Università di Trento

### Bachelor of Science (B.Sc.) in Computer Science
University of Asmara

### Master of Engineering - MEng in Computer Engineering
Scuola Superiore Sant'Anna


## Contact & Social
- LinkedIn: https://linkedin.com/in/josimalet

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Source: https://flows.cv/yosief
JSON Resume: https://flows.cv/yosief/resume.json
Last updated: 2026-03-29