Steven Mendez

stevenampaiz@gmail.com|linkedin.com/in/steven-mendez-dev|github.com/Steven-Mendez

Education

Universidad Nacional de Ingeniería

March 2019 – Dec 2023

B.S. in Computer Engineering

Managua, Nicaragua

Experience

Dupely

Dec 2025 – Apr 2026

Backend Engineer

Remote
  • Contracted through WERN as a Software Engineer for a real-time shopping assistant that detects price inflation and surfaces better-value product alternatives.
  • Programmed high-performance RESTful APIs using Python and FastAPI, focusing on the efficient injection and extraction of product data to serve real-time requests.
  • Built and maintained robust data pipelines to continuously ingest product information, pricing history, and features from major marketplaces.
  • Executed end-to-end development based on technical requirements, including database management and query optimization for fast retrieval.

WERN

Dec 2024 – Present

Backend & AI Engineer

Remote
  • At WERN, I contribute to high-impact client projects focused on backend development, cloud infrastructure, and Generative AI integrations.
  • Assignment (Dec 2025 - Apr 2026): Deployed to Dupely, building scalable e-commerce data pipelines and AWS services.
  • Previous Assignment (Jan 2025 - Nov 2025): Deployed to a confidential B2B client. Built GenAI features and LMS integrations using LLMs and RAG architectures.
  • Developed scalable backend applications and REST APIs across multiple client environments using Python, FastAPI, and Django.

Universidad Nacional de Ingeniería

Feb 2023 – Dec 2024

Systems Analyst

Managua, Nicaragua
  • Played a key role in supporting and modernizing the university's mission-critical internal systems, specifically focusing on the core enterprise application used for budget management and vital administrative operations.
  • Maintained and enhanced a legacy ASP.NET enterprise system responsible for the university's financial and operational continuity.
  • Acted as a technical mentor within the team, introducing modern development practices and proposing new frontend architectures using React.js to improve maintainability and user experience.
  • Achieved significant system performance improvements by analyzing, refactoring, and optimizing complex Microsoft SQL Server queries.
  • Bridged the gap between legacy infrastructure and modern tech stacks, bringing a fresh perspective and scalable solutions to the engineering team's workflows.

Skills

Languages: Python, C#, JavaScript/TypeScript, SQL, HTML/CSS, Bash
Tools: AWS (Lambda, S3, EC2), Git, Docker, PostgreSQL, SQL Server, Redis
Frameworks/Libraries: FastAPI, Django, .NET, React, Next.js, Tailwind CSS
Concepts: Backend Architecture, REST APIs, Data Pipelines, GenAI Integrations, RAG, CI/CD