Dawit Chernet

Experience

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  TABY Engineering

  Nov 2009 - Jun 2012

  Software Engineer

  I am one of the people in charge of the technical aspects of the website. There are computer developers and engineers, and we all share the responsibility for maintaining the technical aspects of the website. That is one of my many responsibilities.Ethiopian Calendar support for MSSQL server using C# CLR UDT. Ethiopian calendar has 13months composed of 12 months with 30 days each, and 1 month with 5 days. This calendar has never been supported by databases and therefore it is always a challenge to make aggregated report. I researched and wrote this support for MSSQL Server.Android application development: An application that takes image of prepaid cards, that does OCR for on the pin code and fill the minutes. (Work in progress)HTML 5 application for the mobile that lists places of interest in Addis Ababa including popular restaurants, cafes, ATMs etc.Addis Map xml development a web based place locater that trace the popular place of A.A city "You will never get lost with Addis map" lol. Show less

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  GTZ

  Nov 2009 - Jun 2012

  Software Programming

  Back End developer of Mantis Bug Tracking System which we use to track, monitor, report and print output of our daily tasks.

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  Telecommuncations Company

  Jan 2012 - Jan 2013

  System Engineer
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  ZTESOFT TECHNOLOGY CO.,LTD.

  Feb 2012 - Jan 2014

  OCS-Customer Service

  It is a charging system which supports pre-paid rating and real-time account processing.System Maintenance Manager in charge of maintenance of operational system as well as expansion to a system supporting 28million subscriber and undertaking multiple service improvement projects. Assure smooth running of production system (included maintenance of database, application, and network) by monitoring, supporting end users, debugging on-site problems and escalating bugs for higher level bugs. Communicate with clients regarding new business requirements and propose a solution to be integrated with operational system. Prepare both high-level and low-level analysis of the solution for clients. This included design of new solutions as well as customization of existing system to fit business process and strategy. Provide specifications to research and development centre, deploy, test and verify developed solution, prepare testing and operation documents and conducts R&D, and implement to commercial environment and close project. Provide support and training for end users, technical support team, data warehouse personnel and all involved in maintaining the application and infrastructure. For expansion of the operational system, managed the system configuration, deployment of new servers along with planning the migration from legacy systems. This entailed detailed planning, and execution to assure commercial system was not affected. Complete more than 10 PATs for different projects integrity with OCS system. Undertake innovative and proactive solutions to minimize problems incurred by end users. Show less

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  Huawei Technologies

  Nov 2013 - Jul 2022

  System supporting 20million subscriber for Senegal, 20million for Mali, Bissau and N• System management microservice cloud Solution, Kubernetes and Docker and monitored charging system, Customer Relation Management(CRM) to ensure payment availability and accuracy.• Effectively communicated with clients regarding new business requirements and proposed solutions to be integrated with operational system. • C#, .NET CORE, PHP, MySQL, Docker, HTML5 / CSS / JavaScript, Automation frameworks and tools, Entity Framework, Linux• Assured smooth running of production system (included maintenance of database, application, and network) by monitoring, supporting end users, debugging on-site problems and escalating bugs for higher level bugs.• Planned and executed functional, regression, and automated testing, contributing to a 25% reduction in post-release bug rates. Show less Implementation of Huawei Convergent Billing System (CBS) for postpaid and prepaid subscribers (CDMA, GSM and WCDMA) with Capacity of 50M subscriber, simultaneously harmonized with marketing department of Huawei for the implementation and configuration of products according to the agreed PRD.It is a charging system which supports pre-paid rating and real-time account processing.System Maintenance Manager in charge of maintenance of operational system as well as expansion to a system supporting 68million subscriber and undertaking multiple service improvement projects. Communicate with clients regarding new business requirements and propose a solution to be integrated with operational system. Prepare both high-level and low-level analysis of the solution for clients. This included design of new solutions as well as customization of existing system to fit business process and strategy. Provide specifications to research and development centre, deploy, test and verify developed solution, prepare testing and operation documents and conducts R&D, and implement to commercial environment and close project. Provide support and training for end users, technical support team, data warehouse personnel and all involved in maintaining the application and infrastructure. For expansion of the operational system, managed the system configuration, deployment of new servers along with planning the migration from legacy systems. This entailed detailed planning, and execution to assure commercial system was not affected. Complete more than 10 PATs,ICD and FRS for different projects integrity with CBS system. Undertake innovative and proactive solutions to minimize problems incurred by end users. Show less

  • OCS Engineer at Orange Telecom GNOC project Software Developer

    Jan 2016 - Jul 2022

  • A & S Engineer Operation Manager

    Nov 2013 - Jul 2022
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  Tech Mahindra

  Jun 2022 - Dec 2024

  Technical Project Manager

  • Developed enterprise applications using .NET Core, MVC, C#, HTML, CSS, Web API. • Designed scalable microservices architecture with Dockerized .NET Core applications and Azure Kubernetes Service (AKS). • Led the development of a React Native mobile app for telecom service management. • Designed and implemented RESTful APIs in .NET Core to handle real-time data synchronization for the mobile app. • Integrated push notifications (FCM, APNs) for user alerts on telecom network status. • Built offline data caching in React Native AsyncStorage & SQLite for app availability in low-network conditions. • Automated the CI/CD pipeline for mobile apps using Azure DevOps & Fastlane for Android/iOS deployments. Show less