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Bisrat Dereje

@bisratdereje

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Software engineer at InfraTech Software Services who developed microservices, secure APIs, and AI-powered workflows.

Ethiopia

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At InfraTech Software Services, I developed backend systems with TypeScript, Node.js, and Python, including microservices, API Gateway patterns, and event-driven systems. I also worked on secure authentication and authorization, RESTful APIs, and service-to-service communication.

At Van Hansewijck Development, I expanded an osteopathy platform across multiple locations by enhancing its NestJS backend, Angular frontend, and PostgreSQL database. The project resulted in a 200% revenue increase, and improvements to booking flows reduced missed or unbooked appointments by 2x.

I also designed and developed an AI-powered platform for solopreneurs using RAG and vector databases, and deployed it. I’m interested in building scalable web and mobile applications that solve real-world problems with clean, efficient code.

Experience

Work history, roles, and key accomplishments

Software Engineer

InfraTech Software Services

Aug 2025 - Apr 2026 (8 months)

Designed, developed, and maintained backend systems using TypeScript, Node.js, and Python. Built microservices-based architectures, secure authentication systems, and integrated AI-driven features using LLMs and RAG.

TypeScript NodeJS Python Microservices API Gateway Event Driven Architecture Message Brokers JWT Role Based Access Control REST APIs LLM RAG

Full-Stack Developer

Van Hansewijck Development

May 2024 - Jul 2025 (1 year 2 months)

Expanded an osteopathy platform across multiple locations by enhancing backend, frontend, and database, resulting in a 200% revenue increase. Designed and developed an AI-powered platform for solopreneurs using RAG and vector databases, and improved user booking flow leading to a 2x reduction in missed appointments.

NestJS Angular PostgreSQL RAG Vector Databases Docusaurus Payments Invoicing SEO

Education

Degrees, certifications, and relevant coursework

Addis Ababa University

Bachelor of Science, Information Technology

2020 - 2025

Grade: 3.8

Completed a Bachelor of Science in Information Technology with a focus on Software Engineering, achieving a CGPA of 3.8. Coursework included software development, data structures, algorithms, databases, web and mobile application development, and artificial intelligence.