Mehretab Hailegebriel

Experience

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  Samrawit Tadesse Gebreamanuel General Import

  Nov 2018 - Apr 2019

  Software Developer

  - Developed and maintained an inventory management system for a clothing store with multiple branches.- Created a robust and user-friendly system using Windows Form, MSSQL, and C#.- Implemented appropriate software design patterns to ensure system reliability and high performance.

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  HiLCoE School of Computer Science & Technology

  Apr 2022 - Oct 2022

  During my final year at HiLCoE, I collaborated in a team of four to develop a Pharmacy Management System. This project aimed to improve pharmacy operations by automating inventory management, integrating a cashless payment system, and implementing a decision support system.Key Skills Demonstrated:- Designed and developed a .NET 6 web API using C#- Utilized RESTful principles and ASP.NET Web API framework- Integrated ML.NET models for data analysis- Developed an SMS notification system for communication- Employed Git and GitHub for version control and collaboration- Designed system diagrams using LucidChart Show less

  • Back End Developer

    Jul 2022 - Oct 2022

  • Lab Instructor

    Apr 2022 - Oct 2022
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  BeU delivery

  Oct 2022 - May 2023

  Back End Developer

  Developed and implemented backend systems to support the rapid growth of beU Delivery, Ethiopia's leading food delivery service with over 750 restaurant partners and 150,000+ monthly orders (as of Jan 2022).Key Achievements:- Enhanced operational efficiency for 750+ restaurant partners by integrating auditing features into the Laravel backend, utilizing MySQL for data storage and Redis for caching frequently accessed data.- Collaborated with QA engineers to identify and resolve critical bugs using Jira for issue tracking and Postman for API testing, leading to improved user experience and platform stability.- Designed and implemented a scalable backend architecture with .NET Core, C#, and MediatR for CQRS, utilizing Docker for containerization and Kubernetes for orchestration.- Managed source control and CI/CD pipelines with GitLab, ensuring efficient deployment and version control. Show less

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  MEDKET Tech Solutions

  Mar 2023 - Oct 2024

  Back End Developer

  Built and maintained a highly scalable .NET web API using ASP.NET Core and Entity Framework to reshape HR management in Ethiopian healthcare. Developed the Efoy HRM platform, an integrated electronic solution that streamlines scheduling, attendance, and payment processes for hospitals.Key Achievements:- Developed a scheduling application using ASP.NET Core, Entity Framework Core, and SQL Server, optimizing workflows and increasing scheduling efficiency by 95% for over 1,000 employees at Zewditu Hospital.- Automated payroll processing by integrating C#, EF Core, and RESTful APIs with financial systems, reducing the processing time from 15 days to 1–2 days.- Deployed and managed the Efoy HRM platform on AWS using EC2, S3, RDS, Elastic Load Balancer (ELB), and CloudWatch, ensuring high availability, performance, and scalability.- Secured API endpoints with ASP.NET Identity and JWT, protecting sensitive employee data and enforcing role-based access control.Additional Responsibilities:- Collaborated with healthcare professionals to understand scheduling complexities and team rotations in Ethiopian hospitals.- Implemented robust security measures to protect sensitive employee data within the API. Show less

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  Maraki Consultancy

  Jan 2024 - Jun 2024

  Back End Developer

  - Built a backend system using NestJS, PostgreSQL, and Prisma ORM to track student applications and manage employee tasks efficiently.- Developed an API for a mobile app using NestJS, TypeScript, and Socket.io, allowing students to track progress, upload files, chat with representatives, and participate in forum discussions in real time.- Integrated Google Calendar API for seamless calendar syncing, leveraging OAuth 2.0, and Node.js to manage employee deadlines.- Implemented secure authentication and role-based authorization using JWT, NestJS Guards, and argon2 for encrypting passwords. Show less

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  Shega

  Dec 2024 - now

  Backend Engineer

  - Developed Azure Functions that sync data from transformed outputs by Databricks—stored as Parquet files inAzure Blob Storage—to MongoDB for file and chart retrievals, reducing costs and manual data entries.- Enhanced the DFS information flow through innovative channels for Shega and its partner, the Bill and MelindaGates Foundation.- Worked on internal Authentication API endpoints for the master admin, optimizing GET endpoints with properpagination that is role- and permission-based. Show less