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walterluma486

Walter M

@walterluma486

FullStack Web Developer,BI Data Solutions Expert

Kenya
Inglese, Francese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
Hi! I’m Walter, a software engineer with 4+ years of experience building scalable applications and Business Intelligence tools. I specialize in: ✔ Backend/Frontend Development: .NET Core, C#,,VB,Java,NExtJs,React REST APIs, Microservices ✔ Data Engineering: Power BI, SQL Server, ETL/Data Pipelines ✔ Database Design: Optimized queries, data warehousing Why Choose Me? - 50+ Projects Delivered: From startups to enterprises. - Clean Code Guarantee... Continua a leggere

Competenze

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walterluma486
Walter M
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

API e integrazioni
I will design your complex reports using crystal or fast reports
A partire da5 USD / progettoMaggiori dettagli
Applicazioni web full stack
I will build your custom net application or project
A partire da50 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

Backend Developer

Ultratude Tech LTD • Full time

Sep 2021 - May 2025 • 3 yrs 8 mos

 Architected and scaled ERP backend services serving 300+ clients, improving operational processing efficiency by 40% through API redesign, service modularization, and SQL tuning.  Designed scalable RESTful APIs and modular backend services using Clean Architecture and SOLID principles, significantly reducing technical debt and improving maintainability.  Led backend modernization efforts, refactoring legacy components into structured, testable service layers.  Integrated AI-powered automation (LLMs via OpenAI, Flowise, and NLP pipelines) to enable intelligent lesson-plan generation and survey feedback classification.  Reduced deployment errors and improved release stability by containerizing .NET services and implementing CI/CD pipelines with GitHub Actions on Azure VM.  Optimized high-load SQL Server queries and indexing strategies, improving response times and reducing bottlenecks in core transaction paths.  Conducted code reviews, mentored junior developers, and participated in sprint planning within Agile teams.