Laureano Martin Arcanio, Developer in Córdoba, Cordoba, Argentina
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Laureano Martin Arcanio

Verified Expert  in Engineering

Bio

Laureano brings a unique blend of technical mastery and human-centered collaboration to every project. His highly motivated, self-paced approach fuels a constant drive to learn, adapt, and find innovative solutions to complex challenges. Beyond coding, Laureano thrives on working closely with cross-functional teams, aligning technology with product vision, user needs, and business goals. His creativity extends to how he communicates, builds trust, and fosters collaboration across disciplines.

Portfolio

Tempus Insights
React, Python, TypeScript, FastAPI, Amazon Web Services (AWS)
CloneOps.AI LLC
React, JavaScript, React Redux, GraphQL, REST APIs, CSS...
Rooms To Go
React, Gatsby, Next.js, Material UI, GraphQL, Tailwind CSS, Apollo, TypeScript

Experience

  • Full-stack - 15 years
  • User Interface (UI) - 12 years
  • JavaScript - 12 years
  • Python - 8 years
  • React - 6 years
  • FastAPI - 3 years
  • Large Language Models (LLMs) - 2 years
  • Model Context Protocol (MCP) - 1 year

Availability

Part-time

Preferred Environment

OS X, Windows, Linux

The most amazing...

...thing I've built is a generative UI using LLM and React to auto-generate interfaces from user context, adapting UI dynamically from behavior and preferences.

Work Experience

Full-stack Developer

2025 - 2025
Tempus Insights
  • Designed and implemented a full-stack sourcing tracker module for Tempus Insights' research platform, enabling efficient management of 1,000+ expert profiles and streamlining the end-to-end sourcing process.
  • Developed forecasting algorithms that analyze pipeline metrics, including completion rates, conversion likelihoods, and outreach velocity, to predict research project outcomes.
  • Led database schema redesign for core tables (experts, projects, calls, projectexperts) while maintaining backward compatibility with existing transcription workflows.
  • Built interactive dashboards with real-time metrics that significantly improved sourcing status visibility and team capacity planning.
  • Implemented a segment-based categorization system that enhanced expert organization and re-engagement capabilities for longitudinal research.
Technologies: React, Python, TypeScript, FastAPI, Amazon Web Services (AWS)

Front-end Developer

2024 - 2025
CloneOps.AI LLC
  • Implemented custom agent creation components in React, consuming existing APIs.
  • Integrated custom tool creation components in React, consuming existing APIs.
  • Integrated Vercel IA SDK with the React application for custom inline agent operations.
Technologies: React, JavaScript, React Redux, GraphQL, REST APIs, CSS, Large Language Models (LLMs)

Front-end Developer

2022 - 2024
Rooms To Go
  • Designed and implemented new user-facing product tiles across the entire site, enhancing the user interface and improving overall user experience.
  • Resolved over 100 production issues and implemented cross-site improvements, improving performance times and user satisfaction.
  • Developed over 200 features sized from S to XXL, impacting critical business units such as Search, Faceting, Product Tiles, and many more.
  • Addressed immediate user needs and streamlined workflows by developing over 200 features across a spectrum of sizes, reducing development time for future enhancements, which allowed the team to allocate resources more effectively.
Technologies: React, Gatsby, Next.js, Material UI, GraphQL, Tailwind CSS, Apollo, TypeScript

Senior Full-stack Developer

2021 - 2022
AB InBev
  • Developed API endpoints to fully manage bank transfers for company payments to third-party businesses and clients.
  • Implemented unit tests for deliverable code, making some other existing code more testable.
  • Set up and built a dashboard React app for managing users, transactions, authorization, and many other back office operations.
  • Developed a custom logging tool for "Business" level logs for none technically related administrators. This feature included back-end API (from scratch), a back office tool, and adding a logging code to all the client's platform.
Technologies: TypeScript, Node.js, PostgreSQL, Koa, MUI CSS, User Interface (UI), JavaScript, React, Objectify, Apache Kafka, Full-stack, REST APIs, Stripe, Back-end

Senior Full-stack Developer

2020 - 2021
BAZZE & COMPANY
  • Built a client-facing application for a location data marketplace.
  • Integrated payment, authorization, and authentication flow.
  • Built API usage pricing algorithms based on business logic.
  • Developed acceptance automated tests for the UI and back-end.
Technologies: Python, Amazon Web Services (AWS), Vue, Testing, Flask, User Interface (UI), JavaScript, React, Node.js, Data Science, TypeScript, PostgreSQL, Full-stack, REST APIs, Stripe, Back-end

Front-end Developer

2019 - 2020
Sonato
  • Jumped into an existing Vue project and rebuilt it based on design specifications.
  • Created animated landing pages for mobile and desktop.
  • Worked on different projects inside the company to add features or develop new ones from scratch.
Technologies: Python, Vue, React, User Interface (UI), JavaScript, TypeScript, REST APIs

Front-end Developer

2018 - 2019
Syllable
  • Developed an embedded AI-driven chat app for hospitals and organizations.
  • Handled cross-browser implementations with great visual quality and consistency.
  • Collaborated with teams and worked with designers and developers on many POC projects.
Technologies: Docker, Node.js, Redux, React, User Interface (UI), JavaScript, REST APIs

Full-stack Engineer

2017 - 2017
Mariner Exchange
  • Refactored major parts of the system to support proper URL and search engine crawling of the site.
  • Improved site traffic starting from content coercion, relevant linking, and proper tagging. Used data analysis from Google Analytics metrics.
  • Used data analysis to help design data features like top locations, top services, and recommendations.
Technologies: Data Science, Data Analysis, Search Engine Optimization (SEO), Python, CSS, Ember.js, User Interface (UI), JavaScript, Node.js, Back-end

Senior Front-end Developer

2016 - 2017
Trumaker (via Toptal)
  • Reimplemented a user interface for an existing eCommerce platform.
  • Developed features and fixed bugs.
  • Optimized performance.
  • Migrated the whole codebase from Ember 1.12 to Ember 2.13.
Technologies: Ember.js, User Interface (UI), React, Node.js

Front-end Developer

2015 - 2016
Medify, Ltd. (via Toptal)
  • Built an online exam app for university applicants in the UK. Fully backed with unit and acceptance testing, currently on production and being used by thousands of users.
  • Supported multiple browsers and ecosystems.
  • Built CSS from scratch using Flexbox and top-notch technologies.
  • Provided integration and acceptance testing for all of the app's features.
Technologies: Ember.js, User Interface (UI), JavaScript, Test-driven Development (TDD)

Ember Front-end Developer

2015 - 2015
Cropster (via Toptal)
  • Built an MVP of a hybrid app for coffee cupping.
  • Used the latest CSS3 technologies to be fully adaptable across devices (Flexbox).
  • Tested using Apple TestFlight with real customers.
  • Designed the app to work offline and automatically sync to the server.
  • Built on top of Cordova to be portable across platforms.
  • Submitted to the Apple iTunes store for beta testing.
Technologies: Ember.js, User Interface (UI), JavaScript

Front-end Developer

2015 - 2015
DoubleBit Consulting (via Toptal)
  • Built a CRM platform for the roofing industry.
  • Focused on implementing new features for an MVP release.
  • Implemented Gitflow and code reviews as a quality rule.
Technologies: REST, Bootstrap, User Interface (UI)

Front-end Developer

2014 - 2015
Monsoon (via Toptal)
  • Implemented designs into an existing Ember.js app.
  • Fixed features that weren't styled to better match designs.
  • Handled cross-browser testing and fixes.
  • Implemented features as a part of a Scrum team.
Technologies: Bootstrap, Ember.js, User Interface (UI), JavaScript

Front-end Responsive Designer

2014 - 2014
GroupVitals (via Toptal)
  • Handled UI design and implementation.
  • Converted from PSD to HTML.
  • Handled general bug fixing.
  • Implemented performance optimizations.
Technologies: MySQL, CSS, HTML

Senior Front-end Developer

2011 - 2014
Intel Corporation
  • Designed the CSS and HTML framework used since release 3.4 of the Intel AppUp Store Center.
  • Designed and implemented the branding and customization framework used for many Intel partner stores.
  • Prototyped for usability tests for several internal projects that are used to showcase many technologies to outside stakeholders.
  • Evangelized CSS at Intel ASDC Argentina.
  • Developed multiplatform mobile prototypes using Intel XDK.
  • Performed image processing with JavaScript for face recognition software.
Technologies: JavaScript, CSS, HTML5

Instructor

2011 - 2013
Capacitacion IT
  • Worked as HTML5 trainer for over two years leveling up people from different areas such as design, developers, and communicators.
  • Worked as a user experience trainer for over a year.
Technologies: UI Design, HTML5

Web Developer

2010 - 2011
Manpower
  • Developed the first Intel AppUp store UI based on HTML5 technologies that served as a prototype for future releases.
  • Created a reusable JavaScript framework to be used as a working base for AppUp Store future releases.
Technologies: CSS, HTML, JavaScript

Web Developer

2009 - 2010
Adventure Sports Holidays
  • Worked as an end-to-end developer doing new features and handling bug fixes.
  • Created an automated backup system using Cron Jobs and Bash to keep MySQL dumps safe on other servers.
  • Generated reports from transactions, for example: “Best seller suppliers for the last month.”.
  • Handled PSD to HTML translation for several pages of the company.
  • Created a PHP MVC framework for internal use that met a particular set of requirements for the company.
Technologies: Bash, MySQL, JavaScript, CSS, HTML, Python

Systems Developer

2007 - 2009
Contractor at FEMUCOR
  • Developed an administration ecosystem for FEMUCOR Argentina (OMG), a client-server based solution developed with Python and Linux.
  • Developed a paperwork administration and task scheduling system.
  • Created an entities administration, querying, and reporting tool.
  • Developed a payments and account balances system.
  • Handled server and client installation, configuration, and administration based on Linux/Windows.
  • Created a mailing system for entities with overdue pay balances.
Technologies: CSS, JavaScript, HTML, Python

Co-owner in Sales and IT Services

2006 - 2007
Condhor Hardware
  • Resold hardware and managed stock.
  • Created IT services based on Windows and Linux.
  • Handled network configuration and administration.
  • Consulted about hardware and software products.
Technologies: Hardware, Networks, Windows, Linux

Visual Studio Developer (Contract)

2002 - 2004
Pizza 12
  • Created a point-of-sale system based on the Windows platform.
  • Developed the communication driver to be able to use Fiscal printers.
  • Created a stock system to be used by the administration based on point of sale information.
Technologies: Visual Studio

Experience

PostCSS Plugin

https://github.com/laureanoarcanio/postcss-shades-of-gray
This plugin removes unneeded similar grey color from a CSS file and replaces them with the closest from a given set of grays.

CSS Layout Techniques Explained

https://github.com/laureanoarcanio/css-layout-examples
A sample project exploring CSS classic layout techniques compared to Flexbox and GridLayout.

Advanced CSS Toptal Academy Talk

https://www.youtube.com/watch?v=vQLEq-TmOzQ&t=12s
Live talk streamed worldwide about Advanced CSS techniques. Exploring Classic, CSS3, Flexbox, and Grid techniques for layout.

CapitalLetter jQuery Plugin

https://github.com/laureanoarcanio/capitalletter
I created this plugin to facilitate the use of capital letter style for designers and developers. It has been adopted by many people around the world by now.

Elastic Layout (Responsive Implementation)

https://github.com/laureanoarcanio/elastic-layout
Code samples created for a talk about this state-of-the-art technique for achieving responsiveness with a new set of (forgotten) techniques.

Website Front-end Presentation Layer

Worked as a part of an amazing Scrum team doing front-end development work and focusing on the presentation layer.

Group Ministry Web App Front-end

http://www.groupvitals.com/
Worked as a part of an end-to-end team doing design and front-end for this awesome group ministry app.

Arduino Rocket Flight Computer

https://github.com/laureano-arcanio/arduino-rocket-computer
Arduino-based hardware and software for model rockets recovery and logging system. The hardware consists of an Arduino nano board, a gyroscope, a pressure sensor, and an SD card reader. The project includes software and hardware layout and the rocket 3D model for 3D printing.

Education

2010 - 2015

Coursework Toward a Bachelor's Degree in Graphic Design

IES Siglo 21 - Cordoba, Argentina

2004 - 2007

Coursework Toward a Bachelor's Degree in Physics

FAMAF - Cordoba, Argentina

Skills

Libraries/APIs

React, Vue, Node.js, Objectify, REST APIs, Stripe, React Redux

Languages

Python, JavaScript, HTML5, CSS, TypeScript, HTML, Bash, GraphQL

Frameworks

Ember.js, Koa, Bootstrap, Redux, Flask, MUI CSS, Next.js, Material UI, Tailwind CSS

Paradigms

UI Design, REST, Search Engine Optimization (SEO), Test-driven Development (TDD), Testing, Model Context Protocol (MCP)

Platforms

Apache Kafka, Docker, Amazon Web Services (AWS), Arduino

Storage

PostgreSQL, Redis, MySQL

Other

Data Science, User Interface (UI), Full-stack, Back-end, FastAPI, Prompt Engineering, Headless CMS, Data Analysis, Gatsby, Graphic Design, Mathematics, Physics, Apollo, Large Language Models (LLMs)

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