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walterluma486

Walter M

@walterluma486

FullStack Web Developer,BI Data Solutions Expert

Kenia
Engels, Frans
Sommige informatie wordt in het Engels weergegeven.
Over mij
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... Lees meer

Skills

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walterluma486
Walter M
offline • 
Gemiddelde reactietijd: 1 uur

Bekijk mijn diensten

API en integraties
I will design your complex reports using crystal or fast reports
VanafUS$ 5 / projectMeer informatie
Full stack webapplicaties
I will build your custom net application or project
VanafUS$ 50 / projectMeer informatie

Portfolio

Werkervaring

Backend Developer

Ultratude Tech LTD • Fulltime

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.