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Yosef A
@yosefashenafi
Senior Software Engineer
Äthiopien
Englisch, Amharisch
Über mich
I’m a Senior Software Engineer with 10+ years of experience building scalable web, mobile, and cloud applications for startups, enterprises, and international clients.
After years of delivering production-ready solutions outside Fiverr, I’m returning to help clients build reliable software products. My expertise includes React, Next.js, ASP.NET Core, Django, Node.js, React Native, cloud platforms, APIs, system architecture, and AI-assisted development with tools like Claude and Cursor.
I bring strong engineering skills, technical leadership, and a business-focused approach to every project.
Kompetenzen
Yosef A
offline •
Durchschnittliche Antwortzeit: 1 Stunde
Meine Dienstleistungen
Full-Stack-Webanwendungen
I will implement end to end mobile and web applications
Plattformübergreifende Entwicklung
I will implement native mobile applications
Portfolio
Arbeitserfahrung
AI Systems Training Engineer
Software Engineering Daily • Vollzeit
Mar 2026 - Jun 2026 • 3 mos
As an AI Systems Training Engineer, I design and refine training data and workflows that improve the performance of AI systems, particularly large language models (LLMs) in coding and software development tasks. My work involves generating, evaluating, and debugging AI-produced outputs, as well as creating structured datasets such as step-by-step reasoning, tool-use trajectories, and real-world development scenarios. Using tools like Claude and Cursor, I simulate practical engineering workflows, identify model weaknesses, and produce high-quality examples that enhance accuracy, reasoning, and usability.
Software engineer
ZipRecruiter • Vollzeit
Mar 2021 - Dec 2025 • 4 yrs 9 mos
Designed, developed, and delivered scalable web, mobile, and cloud-based software solutions for startups, enterprises, and international clients. Led full-stack development efforts, collaborating with cross-functional teams to transform business requirements into reliable, production-ready applications. Key responsibilities and achievements: • Built and maintained enterprise applications, SaaS platforms, mobile applications, and custom software solutions using modern technologies including C#, ASP.NET Core, Django, React, Next.js, Node.js, React Native, and TypeScript. • Designed scalable backend architectures, REST APIs, database solutions, and cloud deployments using AWS, Azure, Docker, and modern DevOps practices. • Led technical discussions, performed code reviews, improved engineering standards, and mentored developers to deliver high-quality software. • Integrated AI-assisted development workflows using tools like Claude and Cursor to improve productivity, code quality, and delivery speed. • Worked closely with product owners and stakeholders to define requirements, solve complex technical challenges, and deliver impactful software products.
