Marcus Vinicius Oliveira
São Paulo
Summary
Versatile Software Engineer & Tech Lead with 10+ years of experience delivering scalable solutions across the full development lifecycle. Currently driving AI innovation at Copy.ai as Staff Engineer, with proven expertise in full-stack development, cloud architecture, and cross-functional team leadership.
Core Strengths: Technical leadership • Full-stack development (Java, Ruby, JavaScript, TypeScript, Python) • System architecture • AI/ML integration • Agile methodologies • CI/CD • Team mentoring
Key Value: Bridge technical solutions with business objectives through diverse experience as developer, architect, business analyst, and technical leader. Passionate about emerging technologies and continuous learning.
Overview
18
18
years of professional experience
Work History
Staff Software Engineer
Copy.ai
05.2022 - Current
- Architecting and delivering cutting-edge AI-powered solutions at Copy.ai, driving innovation in generative AI workflows and scalable infrastructure.
- Generative AI Systems: Architect sophisticated AI workflows integrating multiple LLMs (GPT-4, Claude, Gemini) for enhanced content generation and user personalization
- Backend Architecture: Develop high-performance APIs and microservices using Python and TypeScript, supporting millions of AI-generated requests monthly
- Frontend Excellence: Build responsive, user-centric interfaces with React and Next.js, optimizing for seamless AI interaction experiences
- Cloud-Native Infrastructure: Design and deploy containerized applications on AWS/Azure using Kubernetes, implementing auto-scaling and fault-tolerant systems
- Data Pipeline Engineering: Orchestrate complex data workflows with Airbyte, ensuring reliable integration between AI models and business systems
Tech Lead
Gistia
02.2017 - 03.2022
- Drive technical excellence for enterprise clients, developing custom React/Node.js solutions that solve complex business challenges and optimize operational workflows.
Key Achievements:
• Workflow Management System: Architected configuration-driven workflow platform enabling zero-downtime deployments and rapid business rule adjustments
• Legacy System Integration: Created modular fax integration solution, abstracting complex interfaces and enabling seamless cross-application connectivity
• Business Impact: Delivered custom solutions that eliminated process bottlenecks, resulting in measurable revenue growth for multiple clients
• Technical Leadership: Guide solution design from concept to deployment, ensuring scalable architecture and maintainable code quality
Software Engineer
HE:labs
11.2015 - 06.2017
- Developed and maintained high-quality applications for multiple clients, specializing in Ruby on Rails and modern JavaScript frameworks within agile development environments.
Technical Contributions:
• Backend Development: Built scalable Ruby on Rails applications (v5+) with comprehensive RSpec test suites and Sidekiq background job processing
• Frontend Development: Created responsive user interfaces using React and Angular, ensuring optimal user experience across client projects
• DevOps Integration: Implemented Docker containerization for consistent development and deployment environments
• Quality Assurance: Maintained high code quality standards through test-driven development and comprehensive testing strategies
• Multi-Client Adaptability: Successfully worked across diverse technology stacks and client requirements in fast-paced consulting environment
Senior Software Engineer
Netshoes
04.2015 - 11.2015
- Developed Netshoes' strategic marketplace platform, expanding the company's e-commerce ecosystem by enabling third-party sellers to integrate and manage their product offerings.
Key Achievements:
• Business Expansion Platform: Built comprehensive seller portal enabling suppliers to register products, manage inventory, set pricing, and process payments, directly contributing to Netshoes' marketplace growth strategy
• Modern Tech Stack: Leveraged cutting-edge technologies including AngularJS, JEE7, Spring, and hybrid Oracle/MongoDB architecture to deliver scalable, maintainable solutions
• Integration Excellence: Designed RESTful JSON APIs facilitating seamless communication between frontend interfaces and backend services
• Quality Engineering: Established robust testing framework using Protractor and Karma, ensuring high-quality deliverables in fast-paced e-commerce environment
• Cross-Functional Collaboration: Worked in agile environment (Scrum/Kanban) contributing to architecture decisions, development, and testing across full technology stack
Senior Leader Software Engineer
Indra
11.2011 - 04.2015
- Working on development of new Internal Platforms and maintenance of legacy projects for VIVO/Telefónica. Projects with a variety of architecture, however all of them were written in Java and the front-end were written in Javascript, HTML5, CSS3, some of them using Primefaces.
- As technical leader, I was responsible for take care of architecture and technologies used in these projects, ensuring best solution for each project, also I helped on development of these project.
Developer
Freire Informática
12.2008 - 10.2009
- Development of Web Application and Database Relational Modeling
- - Construction of new features and modules for Payroll and Human Resources.
- - Maintenance on Payroll and Human Resources Systems
- - Migration of Databases (PostgreSQL/SQLServer/FireBird)
Trainee
Fundação de Amparo a Pesquisa do Estado da Bahia
03.2008 - 12.2008
- Development of systems (Java/JSP/Reports/WebIntegrator)
- - Development of reports
- - Development of forms for the website.
Education
BS - Computer Information Systems
União Metropolitana de Educação e Ensino
01.2010
Skills
- Typescript/Javascript
- React/NextJS/NestJS/PrismaJS
- MongoDB/PostgreSQL/MySQL
- LLMS (Langchain/AI orchestrations)
Languages
Portuguese (Native or Bilingual)
English (Full Professional)
French (Limited Working)
Contact
- +5571987328359 (Phone)
- me@vinioliveira.com
- www.linkedin.com/in/vinioliveira (LinkedIn)
- www.github.com/vinioliveira (Portfolio)
Timeline
Staff Software Engineer
Copy.ai
05.2022 - Current
Tech Lead
Gistia
02.2017 - 03.2022
Software Engineer
HE:labs
11.2015 - 06.2017
Senior Software Engineer
Netshoes
04.2015 - 11.2015
Senior Leader Software Engineer
Indra
11.2011 - 04.2015
Developer
Freire Informática
12.2008 - 10.2009
Trainee
Fundação de Amparo a Pesquisa do Estado da Bahia
03.2008 - 12.2008
BS - Computer Information Systems
União Metropolitana de Educação e Ensino