Nathan Tolosa Portfolio

ABOUT ME

SUMMARY

A Full-Stack Web Developer with 3+ years of experience and a strong foundation in software development principles. Skilled in building web applications, back-end services, and cloud infrastructure. Passionate about problem-solving, system design, and scalable software solutions. Seeking an opportunity in a forward-thinking organization to contribute expertise in React, Spring Boot, CI/CD, and cloud technologies.

What I do?

Some of my expertise

FRONT-END

Skilled in developing user-focused single-page and multi-page web applications

Javascript,Typescript,
React, Vue, Html, CSS, Bootstrap

BACK-END

Proficient in building scalable backend systems; Web APIs, databases, & microservices

Java,PYTHON,PHP,Express.js,
Docker, Postman, Mysql, PostgreSQL,MongoDB

Cloud

hands-on experience deploying and managing applications using cloud platforms.

AWS & AWS CodePipeline,Jenkins,GitHub Actions

Education

INFORMATION SYSTEMS (MSC), UMBC

New MS Student at University of Maryland, Baltimore County (UMBC)

Fall 2025 -

Full-Stackopen Course, UH

Full-Stack Open Course, University of Helsinki

2021 - 2022

Information Technology Courses , MUAS

Completed courses:

Introduction to SQL Server & Engineering Mathematics

September 2014 - March 2015

Metropolia University of Applied Science, Finland

Biochemical & Food Technology (BSc), BDU

GPA 3.27 (Graduated with distinction)

September 2006 - june 2010, Bahirdar University

Experience

Work Experience

Full Stack Developer 2023 - Present

Zergaw Cloud Service Provider

Developed & deployed full-stack web applications using React, JavaScript, PHP, & Spring Boot.
Built and maintained RESTful APIs and integrated databases such as MySQL, MongoDB, & PostgreSQL.
Implemented CI/CD pipelines with Jenkins and Docker, ensuring seamless deployment Designed and optimized responsive, user-friendly interfaces with HTML5, CSS3, & Bootstrap.
Collaborated remotely with clients to understand requirements, implement features, and troubleshoot issues

Quality Control Automation Engineer 2010-2012

Mega Industrial Park P.L.C , Edible Oil producer

Created automated testing, monitoring, and control systems to improve product quality and consistency.
Implemented automated quality assurance tests within production process
Collected production quality monitoring data, analyzed trends, and generated reports for continuous improvement.

Projects

RECENT PROJECTS

HTML5 Bootstrap Template by colorlib.com

Aug-Sep 2024 |

Software Engineering job Simulation

Source code

I developed a proposal for a RESTful web service to manage employee data, built with Java Spring Boot. The web server handles HTTP requests and manages employee records in JSON format. I created and executed unit tests using Mockito to ensure performance and reliability.

20 June, 2022 - 03 August, 2022

Product Listing Web App

Source code

A web app developed using PHP for the backend and pure JavaScript for the frontend, without any frameworks. The app allows users to add product information to a database and view it on a separate page. It consists of two pages: one for adding products and another for displaying the product list, accessible through a specific URL.

May 23, 2024 |

Bookstore Catalog Web App

Source code

An application built to allow users to store book information to Mongo DB database.EJS template engine to specify where various book data should be appended to the HTML page. The backend API is built using Express JS. Mongo DB is used as data storage for books data. Mongoose is used as an ORM to bind the API to the database.

Certificates