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Hi! My name is Benjamin Montesinos and I’m a tri-lingual Math-CS student at UCSD with experience building backend and analytics-driven software, and real-world digital systems. My work ranges from developing Java-based data analysis applications to building and running an e-commerce platform using modern web technologies, with a strong focus on practical problem-solving, structured thinking, and execution.…Hi! My name is Benjamin Montesinos and I’m a tri-lingual Math-CS student at UCSD with experience building backend and analytics-driven software, and real-world digital systems. My work ranges from developing Java-based data analysis applications to building and running an e-commerce platform using modern web technologies, with a strong focus on practical problem-solving, structured thinking, and execution.

Benjamin Montesinos

Data Scientist, Web Developer, Programmer, +2

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Hi! My name is Benjamin Montesinos and I’m a tri-lingual Math-CS student at UCSD with experience building backend and analytics-driven software, and real-world digital systems. My work ranges from developing Java-based data analysis applications to building and running an e-commerce platform using modern web technologies, with a strong focus on practical problem-solving, structured thinking, and execution.…Hi! My name is Benjamin Montesinos and I’m a tri-lingual Math-CS student at UCSD with experience building backend and analytics-driven software, and real-world digital systems. My work ranges from developing Java-based data analysis applications to building and running an e-commerce platform using modern web technologies, with a strong focus on practical problem-solving, structured thinking, and execution.

Available to hire

Hi! My name is Benjamin Montesinos and I’m a tri-lingual Math-CS student at UCSD with experience building backend and analytics-driven software, and real-world digital systems. My work ranges from developing Java-based data analysis applications to building and running an e-commerce platform using modern web technologies, with a strong focus on practical problem-solving, structured thinking, and execution.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

French

Fluent

Spanish; Castilian

Fluent

Work Experience

Founder & Operator at Silvrstns (E-Commerce Brand)

August 1, 2024 - Present

Founded and scaled an e-commerce jewelry brand across Etsy and a direct-to-consumer website, generating $30,000+ in revenue and fulfilling 500+ customer orders since launch. Built and deployed a custom branded storefront using Next.js, React, TypeScript, Tailwind CSS, and Stripe Checkout, with minimalist product pages and smooth browsing. Used GA4 and Microsoft Clarity to monitor website traffic, user behavior, and conversion patterns, helping evaluate product performance. Maintained approximately 80% gross margins through sourcing strategy, pricing optimization, and cost-controlled fulfillment while managing domestic and international logistics across multiple sales channels.

Software Developer at Trade Journal Analyzer

January 1, 2026 - February 28, 2026

Built a Java-based CLI tool for analyzing Excel trade journals, processing 800+ historical trades and computing key performance metrics such as win rate, expectancy, profit factor, and max drawdown. Structured project into data ingestion, analytics, and reporting components to improve maintainability and extensibility. Implemented exportable reports in JSON/Markdown and added optional LLM summary features.

Data & Software Implementation Lead at Drugs, Traits, and Status: A Behavioral Link

April 1, 2025 - June 1, 2025

Final project for course where two public data sets were analyzed to examine relationships between substance use, personality traits, and socio-economic factors, then built a Java-based CLI tool to present findings with structure. Collaborated in a team using Git-based workflows to integrate components, review code, and iteratively debug and improve the system.

AI Trainer at Data Annotation

December 1, 2025 - Present

Evaluated and ranked AI-generated code responses for correctness, instruction-following, edge-case handling, and overall software engineering quality across coding and debugging tasks. Wrote reference solutions and technical explanations to support model training in areas such as code generation, code completion, refactoring, and problem solving. Identified subtle logical flaws and inefficient implementations in model outputs.