dwtoledo ;)
Douglas Toledo
Hello, I’m

Software Engineer with Angular and React expertise.

2.5+ years of dedicated experience building robust and scalable web applications. Specialized in frontend development, with a proven ability to deliver high-quality, maintainable code. Leverages a solid background in engineering and a unique entrepreneurial experience in assistive technology to solve complex problems with a user-centric and accessible approach.

2.5

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:

3CON Project Caterpillar
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
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Resume

Work Experience

Mar 2025 - current
São Paulo, Brazil
3CON
Angular Developer
  • Developed a customs management CMS for Caterpillar using Angular 17+ to streamline international trade, compliance, and import declarations.
  • Built modular TypeScript components with reactive forms, state management with RxJS, and REST APIs to manage trade documentation.
  • Designed responsive UIs with Bootstrap and PrimeNG, featuring dynamic data tables, real-time filters, and validation.
  • Ensured a scalable codebase using unit tests (Jasmine/Karma), ESLint, and conventional commit standards.

Company details.

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
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
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.
February 2, 2025 Integrating DeepSeek into n8n: Low-Cost AI Automations
Artificial IntelligenceAutomation

Upgrade your automations with AI without spending much, integrate DeepSeek with n8n in your solution! What is n8n? n8n is…

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CONTACT ME

My technical skills and creativity are at your disposal!

Let's create something amazing together?

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