dwtoledo ;)

Douglas Toledo

Hello, I’m Douglas Douglas Wilian Douglas Wilian de Toledo

Software Engineer with Angular and React expertise.

Over 2 years developing software for the pharmaceutical sector. Entrepreneur in assistive technologies, secured funding, and led research. 5+ years as a Manufacturing Engineer, developing strong analytical skills for complex problem-solving.

2+

years as Software Engineer

5+

years as Manufacturing Engineer

2+

years as Startup Entrepeneur

My Skills

Technical

				
					const myDevStack = {
  languages: ['TypeScript', 'JavaScript', 'C#', 'Python'],
  
  frontend: {
    frameworks: ['Angular', 'React'],
    stateManagement: ['Redux', 'RxJS'],
    styling: ['Styled-components', 'Tailwind CSS', 'CSS/SCSS'],
    coreWeb: ['HTML5', 'CSS3']
  },
  
  backend: {
    runtime: ['Node.js'],
    frameworks: ['Fastify', 'Express.js', '.NET 8'],
    auth: ['JSON Web Token'],
    database: {
      orm: ['Prisma'],
      systems: ['PostgreSQL']
    },
    architecture: ['RESTful APIs', 'Object-oriented Programming']
  },
  
  design: {
    principles: ['UX/UI', 'WCAG 2.x AA'],
    tools: ['Figma', 'Photoshop']
  },
  
  testing: {
    frameworks: ['Jest', 'Cypress', 'Jasmine'],
    methodology: ['Test-driven Development']
  },
  
  devOps: ['Git', 'Azure DevOps', 'CI/CD', 'Pipelines', 'Docker']
};

function showSkills(stack) {
    function extractValues(item) {
        // TODO - Handles arrays (flatten), objects (values), primitives.
    }
    return extractValues(stack);
}

console.log('🚀 Technical Skills:', showSkills(myDevStack));

Methodologies

Agile, Scrum, and Clean Code.

Soft-skills

Problem-Solving, Analytical Thinking , Communication, Teamwork, Adaptability, Continuous Improvement, Innovation, Creativity, Inclusive Design, Time Management, Prioritization, and others!

Projects

Explore my Portfolio:

IRC – Improving Field Support Productivity

Frontend, Professional

Treatment Initiation – Driven Medical Sample Distribution Platform

Frontend, Professional

PharmaLink – Unified Branding & Omnichannel Platform for B2B Pharmaceuticals

Frontend, Professional

ViiRotas – How sensors can make indoor shopping accessible

Personal

ViiBus proof of concept (POC) equipments developed. Rio de Janeiro, Brazil - 2016.

ViiBus – Communication System for Visually Impaired People

Personal

Resume

Work Experience

Feb 2021 - Feb 2023
São Paulo, Brazil

Interplayers

Software Developer

Optimized data access/reporting with Angular, JavaScript, HTML, CSS/SCSS, and RxJS, boosting field support productivity by 35% in 6 months.
Collaborated with stakeholders on scalable features/UX for medical sample systems (React, Context API, TypeScript, Tailwind CSS, REST APIs), aiding contracts with big players.
Advocated Agile/Scrum, Azure DevOps CI/CD, code reviews, Git, and mentored juniors to ensure quality.

Company details.

Apr 2017 - Sep 2020
Sorocaba, Brazil

Flextronics

Mid Manufacturing Engineer

Developed strong analytical capability managing product lifecycle (PLM), prioritizing quality in requirements management and production processes. Implemented design changes and continuous improvement practices to solve complex problems.

Company details.

Dec 2015 - Mar 2017
São Paulo, Brazil

ViiSolutions

Startup Entrepreneur

Led multidisciplinary team in assistive technology projects, developing high adaptability and securing funding for R&D (such as FAPESP, São Paulo’s largest research funding agency in Brazil). Received many recognitions including the Cisco Urban Innovation Challenge, and LIF4 of Royal Academy of Engineering UK.
Coordinated development of innovative indoor navigation solution for visually impaired users, enhancing UX/UI skills through user-centred design methodologies. Collaborated in 80+ interviews, qualitative/quantitative analyses, personas creation, and validations with real users, resulting in article publication.

Startup details.

Sep 2013 - Nov 2015
Sorocaba, Brazil

Flextronics

Junior Manufacturing Engineer

Developed from scratch registration processes and documentation for customized products. Coordinated in English the automation and transfer of these processes to global teams, significantly reducing manual tasks to focus on continuous improvements.

Company details.

Oct 2011 - Aug 2013
Jaguariúna, Brazil

Motorola Mobility

Engineering Intern

Collaborated with engineers on design and production process improvements, consistently prioritizing product quality for end users.

Company details.

More to explore! Slide left ➔

Education

Degrees

2014 - 2018

Masters in Businees Administration

Fundação Getúlio Vargas (FGV), Brazil

A top-tier Brazilian institution globally recognized for its prestigious MBA programs.

details

2009 - 2013

Bachelor's in Electrical Engineering

Pontifical Catholic University of Campinas (PUC-Campinas), Brazil

details

Courses

Jan 2025

User Experience (UX) Design Fundamentals

Google Careers

certificate

Dec 2024

C# and .NET Fundamentals

Rocketseat

certificate

Oct 2024

Accessibility for Ontarians with Disabilities Act

OSG – AODA

certificate

Jan 2024

Web Accessibility Introduction

edX – W3C

Certificate

Testimonials

LinkedIn Recommendations

I worked with Douglas at Interplayers, where he consistently demonstrated strong determination, commitment, and dedication. He actively seeks opportunities to stay updated and learn new things, while excelling in teamwork. Douglas is always eager to take on new challenges and strives to share knowledge with all team members. He is an exemplary professional, and any team would be fortunate to have the pleasure of working with him.

Rodolfo Santos

Tech Leader at Itaú, Brazil

I worked with Douglas twice at Flex, Brazil as his boss and I acknowledge him as a very smart and focused on problem solving. He developed processes in Product Engineering and PDM area and invested a lot of his time to transform manual activities he executed in lean and automatized ones. He is concentrated and profound in his daily tasks. He has particularly good interpersonal relationship and work well in team. Easy learning and self-taught person.

Julio Schwartzman

Volunteer at an NGO

My Blog

Exploring Our Blog

February 7, 2025 DeepSeek R1 vs o3-mini for Developers: Which is the Best?

Artificial IntelligenceAutomation

In this post, I compare OpenAI’s o3-mini and DeepSeek R1 AI models for developers, testing them on tasks like building projects, adding features, and refactoring code. Discover which model excels in performance, cost, and usability, and learn how to leverage both for efficient development. Perfect for developers looking to optimize their workflow with AI!

February 7, 2025 n8n: The Automation Revolution in the Business World – 6 Examples

Artificial IntelligenceAutomation

n8n is a fair-code workflow automation platform that allows you to connect different systems and automate complex processes through an intuitive visual interface. With self-hosting capability and over 200 native integrations, n8n offers a powerful solution for businesses looking to improve operational efficiency.

According to McKinsey, by 2030 about 70% of activities for which people are paid could be automated using technologies like n8n. Companies implementing intelligent automation report 40% reduction in operational costs, 35% increase in productivity, and 60% improvement in customer satisfaction.