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Jima Dube

@jimadube

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Data Engineer and AI/ML Engineer at Shega Media and Technology, building RAG document search with 90%+ query accuracy.

Ethiopia

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At Shega Media and Technology, I built a FastAPI model-serving service that loads classification models from Azure Blob Storage, improving classification accuracy by 85%+ and cutting manual effort by 70%. I also engineered a RAG pipeline for document Q&A, reaching 90%+ query accuracy.

I’ve also developed full-stack features for the Shega platform and built backend APIs at Eskalate LLC. In personal projects, I built an AI proposal-writing app and created Pure Art Platform, a gallery connecting visual artists with global audiences.

Experience

Work history, roles, and key accomplishments

Current

Data Engineer & AI/ML Engineer

Current

Shega Media and Technology

Dec 2024 - Present (1 year 10 months)

Built a FastAPI model-serving service that loads ML classification models from Azure Blob Storage to predict categories, improving classification accuracy by 85%+ and cutting manual effort by 70%. Engineered a RAG pipeline for real-time Q&A over documents with 90%+ query accuracy and 60% faster information retrieval.

fastAPI Azure Blob Storage RAG ChromaDB ETL Web Scraping Data Pipelines Semantic Search Vector Databases OpenAI Gemini Docker GitHub Actions

Software Engineer (Full-Stack)

Shega Media and Technology

Dec 2023 - Dec 2024 (1 year)

Developed and shipped full-stack features across the Shega platform using Next.js, Node.js, and TypeScript. Integrated a GraphQL API to streamline data queries, reducing frontend query complexity by 50% and increasing user engagement by 40% through data-driven visualizations.

Next.js NodeJS TypeScript GraphQL REST Data Visualization React JavaScript

Backend Developer (.NET Core, Node.js)

Eskalate LLC

Oct 2023 - Dec 2024 (1 year 2 months)

Developed a secure REST API in C#/.NET, reducing security vulnerabilities by 80% and achieving 95% test coverage with xUnit, Moq, and FluentAssertions. Implemented JWT-based authentication and optimized API performance with pagination, reducing response time by 45% on large datasets.

C#.NET Core NodeJS REST APIs Clean Architecture xUnit Moq Fluent Assertions JWT Pagination Security

Full-Stack Developer (Next.js, Nest.js)

Africa to Silicon Valley (A2SV)

Dec 2022 - Jan 2024 (1 year 1 month)

Developed and deployed full-stack web applications using React, Node.js, and PostgreSQL, and built RESTful APIs integrated with responsive front-end interfaces. Implemented authentication, data persistence, and real-time features, optimizing performance for a 30% improvement in execution efficiency.

Next.js NestJS React NodeJS PostgreSQL REST APIs Authentication Real time features Performance Optimization

Front-End Developer (React, Next.js)

Microsun Solution

Jun 2023 - Sep 2023 (3 months)

Led a team of 5 to build an online learning platform, reaching 1,200+ learners and 300+ certifications within the first 6 months. Implemented third-party GitHub authentication, progress-visualization APIs, and secure JWT authentication with hashed credentials, reducing unauthorized access attempts by 90%.

React Next.js GitHub Auth JWT Security Team Leadership Online Learning Platforms

Education

Degrees, certifications, and relevant coursework

Addis Ababa Science and Technology University

Bachelor of Science, Software Engineering

2019 - 2024

Activities and societies: Relevant coursework: Distributed Systems, Software Design & Architecture, Computer Security, Networking, OOP (Java), Programming (C++).

Pursued a Bachelor of Science in Software Engineering, covering distributed systems, software design, and computer security.

Africa to Silicon Valley (A2SV)

Certificate, Competitive Programming & Software Engineering

2022 - 2023

Activities and societies: A2SV alumni have secured full-time SWE roles at Amazon, Microsoft, Google, Bloomberg, and Palantir.

Completed intensive in-person training in algorithms, data structures, problem solving, and software engineering, applied through real-world team projects.