Vini Libero

PM & Tech Leader + AI Specialist

Combining project management expertise with full-stack development
and cutting-edge AI/LLM knowledge
Let's build something amazing together.

About Me

  • Name: Vinicius Libero
  • Location: Remote
  • Nationality: Brazilian

About

Certified Project Manager with over 10 years of experience leading complex projects across mining, technology, and digital product sectors. Transitioned from Geology to Full Stack Development, now specializing in AI integration and project automation. Strong background in cross-functional team leadership, technical execution, and continuous improvement. Currently expanding expertise in Large Language Models (LLMs) and Prompt Engineering.

What I Do

I combine project management expertise with full-stack development skills and cutting-edge AI knowledge. I build scalable web applications, lead technical teams, and architect AI-powered solutions. My recent focus is on prompt engineering, LLM orchestration, and AI automation strategies. Some of my core strengths include:

  • Full Stack Development (Rails, JavaScript, React)
  • Project Planning & Agile Delivery
  • Prompt Engineering & AI Integration
  • Team Leadership & Mentoring
Send me message

Resume

Recent Experience

  • Apr 2025 - Present

    Technical Program Manager (AI/ML)

    Hashcode - Remote

    Led scoping, planning, and execution of AI-automation projects and SaaS platform development. Managed cross-functional teams (engineers, designers, marketers) utilizing Agile methodologies. Engineered and optimized prompt strategies for content generation and LLM integration. Designed prompt chaining patterns and AI orchestration workflows. Tracked KPIs and provided performance analytics on AI implementations.

  • Apr 2021 - Apr 2025

    Full Stack Developer

    Nobordist - Remote

    Contributed to end-to-end development in Agile environment with pair programming and CI practices. Developed back-end and front-end solutions using Ruby on Rails and JavaScript. Translated user requirements into technical deliverables. Assisted project prioritization and sprint organization using Agile rituals.

  • May 2020 - Apr 2021

    Project Lead Developer

    Call Invest Ltd - Belo Horizonte, Brazil

    Led design and development of investment platform MVP. Managed version control and team workflows using Git/GitHub. Oversaw Heroku deployment and release cycles. Worked closely with stakeholders to align technical solutions with business needs.

  • 2019 - 2020

    Developer

    Invoo - Brazil

    InvoO is a platform to simplify and automate the generation of financial statements from the upload of balance sheets files. The system then generates financial statements and graphs.

    Code assessment, approval and management (Git and GitHub)

    Back-end and Front-end development for web app

  • 2016 - 2018

    Geology Consultant

    Multiple Companies - Remote

    Hired to collaborate with clients, contractors and local/state agencies to resolve a myriad of geological and tenure issues. Developed solutions that safely and effectively addressed challenges including networking, personnel training, licenses and permitting. Generated new concepts and opportunities for regional exploration. Assured the implementation of safety, health and environmental protocols for all employees and supervised contractors.

  • 2016

    Geology Manager

    Brazil Tungsten - Bodó, RN, Brazil

    Recruited to provide geological contributions and manage the technical department for the tungsten mine. Collected, documented and assessed geological data. Observed and recorded geological features of all underground openings and drill core logs from exploration programs. Planned, designed and improved mine processes and systems. Developed and managed drilling programs and/or other contract work as necessary. Promoted a team environment, with excellent communications between all project and operations personnel. Implemented mine strategy sessions and personnel training programs. Ensured the safe, cost-effective and timely completion of all projects to meet or exceed client expectations.

  • 2010-2015

    Geology Manager

    Amazon Geoservices - Multiple locations, South America

    Recruited to collaborate with clients, contractors and local/state agencies to resolve a myriad of geological and tenure issues. Developed solutions that safely and effectively addressed challenges including networking, personnel training, licenses and permitting. Generated new concepts and opportunities for regional exploration. Assured the implementation of safety, health and environmental protocols for all employees and supervised contractors.

  • 2008-2009

    Geoscientist

    BHP Billiton - Rio de Janeiro, RJ, Brazil

    Recruited to provide leadership in exploration projects. Collaborated with contractors and local/state agencies to resolve different technical and administrative issues. Wrote, revised and assessed reports and documentation. Supported, instructed and directed other project members. Acted to facilitate networking and information gathering. Participated in site visits, data interpretation and liaison with teams.

  • 2007-2008

    Geologist

    Coffey Mining - Belo Horizonte, MG, Brazil

    Recruited to provide leadership in exploration projects. Coordinated geological modeling, resource definition, database and QAQC management. Implemented geological mapping, georeferencing, map generation in GIS, drilling core and chip sample logging for exploration project.

  • 2005-2006

    Geology Trainee

    Vale - Carajás, PA, Brazil

    Recruited to manage contracts and environmental projects for speleological surveys. Supported coordination in mineral exploration projects. Acted in geological mapping, georeferencing, map generation in GIS, drilling core and chip sample logging.

Skills

HTML

75%

Ruby

75%

TDD / BDD

75%

JavaScript

75%

ReactJS

10%

VueJS

5%

SQL

75%

Blockchain

75%

Git

75%

Bootstrap

75%

Linux

75%

Prompt Engineering & AI

85%

CSS

75%

Ruby On Rails

75%

Jekyll

75%

AngularJS

5%

React Native

5%

NuxtJS

5%

PostgreSQL

75%

Solidity

75%

Github

75%

Active Records

75%

Windows

75%

Large Language Models (LLMs)

80%

Additional skills

Leadership & Management
Project Planning & Agile
Strategic Thinking
AI Integration & Automation
Team Leadership & Mentoring
Problem Solving

Education

Education

  • 2025

    LLM Engineering: Master AI, Large Language Models & Agents

    Udemy (Ongoing)

    Advanced study in Large Language Models, prompt engineering, LLM orchestration, and AI agent design patterns.

  • 2024

    Google Project Management Certificate

    Coursera

    Professional certification in project management fundamentals, Agile methodologies, risk management, and stakeholder communication.

  • 2021

    Blockchain Developer

    Ivan On Tech Academy - Remote

    Ivan on Tech Academy provides world class certificates to all students that successfully graduate.

  • 2019

    Full Stack Developer

    Le Wagon Coding Bootcamp - Belo Horizonte, MG, Brazil

    Intensive 9-week coding bootcamp in Full Stack Web Development. Covered Ruby on Rails, JavaScript, databases, and agile development practices.

  • 2004

Langages

English
Portuguese
Spanish

I'm available for freelance projects

Get in Touch

Get in touch

Send me a message