Senior Software Developer

I am W. Wondimu More

Senior Software Developer More

15+ years experience More

Get in touch More

What I am all about

Senior Software Developer

Senior Software Developer with 15+ years of experience designing and building scalable enterprise software platforms across telecommunications, SaaS, business intelligence, and operational systems. Specialized in backend engineering, distributed systems, high-scale application design, and performance optimization using C# and .NET technologies.

Experienced in architecting and optimizing enterprise-grade applications handling large-scale concurrent communication workloads, scalable API services, complex business workflows, and data-driven operational platforms. Strong background in system design, software architecture, CI/CD practices, mentoring developers, and collaborating across cross-functional Agile teams.

Skilled in modern AI-assisted engineering workflows using GitHub Copilot for development acceleration, technical research, and code review support while maintaining high engineering quality standards.

ASP.NET Core

HTML

CSS

Bootstrap

AngularJS

ASP.NET Web Forms

SQL Server

GitHub

TFS

Angular

AJAX

Web API

jQuery

JavaScript

Visual Studio

IIS

REST API

JSON

XML

CI/CD

Azure

Project Highlights

PROJECT CHALLENGES

High-scale backend and communication platforms

C# .NET ASP.NET Core REST APIs TCP/IP Communication Distributed Systems SQL Server Performance Testing Integration Testing End-to-End Testing GitHub Jenkins Azure DevOps

Designed and developed high-scale backend systems and internal platform tools supporting large-volume enterprise communication workloads.
Built simulation platforms for large numbers of endpoint connections, enabling realistic load, scalability, and reliability testing without excessive infrastructure usage.
Optimized TCP-based communication workflows, application execution paths, and persistence patterns to improve runtime efficiency and resource utilization.
Created unit, integration, end-to-end, and performance benchmark test coverage to validate behavior, scalability, and long-term maintainability.
Contributed to architecture decisions across application, domain, and data-access layers while mentoring developers and reviewing pull requests.

Operational support and business support systems (OSS/BSS)

ASP.NET MVC - C# HTML/CSS/SASS Bootstrap AngularJS jQuery JavaScript SQL Server Web API (REST) WCF gRPC Custom Windows services PowerShell Script Entity Framework/LINQ ADO.NET IIS CI/CD

Designed and developed operational/business support platforms for a telecom company managing data connectivity services, customer subscriptions, service changes, and support workflows across multiple regions.
Built backend systems for service management, network operations support, traffic monitoring, and quality-of-service workflows.
Improved operational efficiency through automation, including payment reminder workflows, service management actions, and self-service customer capabilities.
Implemented API-driven and service-oriented solutions supporting distributed business operations and maintainable enterprise workflows.

Business intelligence and SaaS reporting platforms

C# ASP.NET Angular TypeScript REST APIs SQL Server PostgreSQL Data Export Role-based Access

Developed configurable business intelligence applications supporting analytics dashboards, reporting workflows, and client-specific business requirements.
Built scalable data filtering and export capabilities with user-specific security and access control.
Implemented custom extension points and plugins to support specialized reporting workflows without compromising the core platform design.
Improved application maintainability and performance through refactoring, API optimization, and architecture enhancements.

Web-based assessment and recruitment workflows

ASP.NET Web Forms - C# HTML/CSS/SASS Bootstrap Angular/TypeScript jQuery JavaScript SQL Server Web API (REST) Entity Framework/LINQ ADO.NET IIS Adobe Photoshop Adobe Illustrator

Built online assessment workflows including test builders, question banks, candidate submissions, grading, and recruiter review dashboards.
Designed questionnaire generation logic to provide candidates with equivalent but varied assessment versions.
Implemented security and validation checks for timed examinations and candidate profile review.
Created filtering and reporting tools to evaluate results by total score, category, and assessment-specific criteria.

Skills

15+ YEARS

UI / UX

HTML5, CSS3, SASS, Angular, AngularJS, TypeScript, JavaScript, jQuery, Bootstrap, XML, JSON

BACK-END

C#, .NET, ASP.NET Core, ASP.NET MVC, ASP.NET Web API, REST APIs, gRPC, WCF, TCP/IP communication, Windows services, T-SQL

Database

SQL Server, PostgreSQL, MySQL, Azure SQL, Entity Framework, LINQ, custom data-access components, query optimization

Dev Tools

Visual Studio, Visual Studio Code, GitHub, Azure DevOps, Jenkins, Git, CI/CD, Postman, SQL Server Management Studio, GitHub Copilot