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Luis LegreauxLL
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Luis Legreaux

@luislegreaux

I build scalable full-stack web platforms with React, TypeScript, and modern DevOps practices.

Dominican Republic
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What I'm looking for

I'm looking for new challenges where I can build clean, scalable full-stack solutions, explore modern technology stacks, improve development flows, and collaborate on practical methodologies that make work easier for everyone.

At EPAM Systems, I build React and TypeScript interfaces for Disney and Nordstrom, including reusable monorepo component libraries, NPM-ready modules, microfrontend applications, and backend-integrated workflows.

With more than seven years across full-stack development, automation, QA, and support engineering, I've improved application maintainability, optimized MongoDB queries, created Express.js APIs, maintained CI/CD pipelines, and built automated testing solutions. I enjoy exploring new technology stacks, discussing practical methodologies, and solving complex problems with clean, scalable code.

Experience

Work history, roles, and key accomplishments

EPAM Systems logoES
Current

Senior Software Engineer

Dec 2023 - Present (2 years 8 months)

Client: Disney platform

Designed and developed user-focused, visually appealing interfaces aligned with project requirements, facilitating the seamless automation of intricate, backend-integrated workflows.

Responsibilities:

* Build and integrate visually appealing UI components across multiple React pages and third-party libraries.
* Manage and maintain reusable monorepo UI

ARIUM logoAR

Sr. Full Stack Developer

Jan 2021 - Aug 2021 (7 months)

• Refactor modules to enhance system maintainability and improve code quality, improving reliability.
• Optimize queries and data model to achieve better MongoDB query performance.
• Create APIs using Express.js to ensure robust backend functionality.
• Manage Angular and AngularJS frontend apps to deliver seamless user interfaces.
• Sustain and debug the application to enhance performance and us

Newtech S.R.L logoNS

Frontend Developer

Sep 2020 - Jan 2021 (4 months)

Responsibilities:

* Developed, executed and maintained Backends apps where execution time is need priorizing security and fast development.
* Develop and Design a Modern React Dashboard to show statistics from a Test case Database about API testing results.
* Develop Complex Algorithm for XML API services backend to automate long processes by using JavaScript and React implementation.
* Configur

Newtech S.R.L logoNS

Automation Engineer at Newtech

Feb 2020 - Sep 2020 (7 months)

- Developed, executed and maintained test cases, test suites, and test documentation with minimal
supervision.
- Develop and Integrate API Automation TypeScript module using Newman for API Rest Testing.
- Configured a DevOps dashboard that provides a real-time, consolidated view of the entire delivery pipeline of the system

Argentum Inc logoAI

Automation Engineer

Aug 2019 - Feb 2020 (6 months)

Client: Direccion General de Contrataciones Publicas

Responsibilities:


* Developed, executed, and maintained comprehensive test cases, test suites, and test documentation with minimal supervision.
* Updated and enhanced Katalon Studio and Groovy automation scripts for the company’s main web platform to improve automated testing feedback and efficiency.

Argentum Inc logoAI

Ingeniero de soporte 2

Feb 2019 - Jul 2019 (5 months)

Client: Banco Ban Reservas & BHD & Banco Popular de panama

Responsibilities:

* Use python in order to fix development issues in order bring administrative flows and algorithms
* Analyze, document and develop solutions based on administrative requirements.
* Elaborate Implementations Step By Steps Document about how to implement new changes on Linux
* Production server Running on Docker contain

Argentum Inc logoAI

Software Quality Assurance Analyst

Oct 2018 - Feb 2019 (4 months)

Client: Seguros Universal

Responsibilities:

* Designed and executed detailed test cases, documenting software and API issues by replicating production environments and identifying key areas of concern.
* Deployed database artifacts across QA environments to ensure consistency and alignment with production systems.
* Participated in vulnerability assessments, providing recommendations to enhance

Education

Degrees, certifications, and relevant coursework

UA

Universidad APEC

Software Engineer

2023 - 2027

The professional graduated from the Software Engineering or Computer Systems careers of UNAPEC will be qualified with the professional competences to apply the concepts, principles, standards, protocols, methods, rules, tools and laws for the acquisition, development, integration, deployment, operation , evolution or maintenance and quality management of high-level software – both in companies and

CU

Centro de Tecnología Universal

PHP Backend Developer, Computer Programming

2021 - 2021

IC

Instituto Técnico Superior Comunitario

Tecnico superior en desarrollo de software

2015 - 2021

The graduate of this career is a professional who will be able to: produce software artifacts, which includes their detailed design, construction - reusing existing elements or programming them entirely - and unit verification, as well as their debugging, optimization and maintenance.

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