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Douglas D.

@douglasfullstack

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5.0
34

5.5

5.5

97%

Senior Software Developer

$100 USD / Hour

Flag of

Brazil (2:20 AM)

Joined on December 17, 2021

3 Recommendations

$100 USD / Hour

🌟 Top-Ranked Full-Stack Developer & Automation Specialist I am a top-rated full-stack developer with strong expertise in Next.js, Node.js, PHP, Laravel, WordPress, JavaScript, APIs, and automation systems. I build fast, scalable, and secure solutions for businesses of all sizes, from startups to enterprise-level platforms. 💻 Technical Skills: I work with modern technologies including Next.js, React, Node.js, Laravel, CodeIgniter, PHP, Java, Angular, Ionic, and Bootstrap. I am experienced with cloud environments such as AWS, Google Cloud, Firebase, and VPS servers. My background includes API integration, database architecture, and high-performance backend development. 🤖 AI & Automation (n8n / OpenAI / Custom APIs): I design advanced AI-powered automations using n8n, OpenAI, and custom workflows. This includes intelligent chatbots, automated pipelines, CRM integrations, lead processing, and end-to-end workflow orchestration. I help companies save time, reduce manual tasks, and scale efficiently. 🧩 WordPress & CMS Development: Expert in custom themes, plugin development, WooCommerce, and full WordPress setups optimized for performance, SEO, and security. I deliver pixel-perfect front-end experiences supported by reliable back-end engineering. 🤝 Available for Long-Term Monthly Contracts: I offer subscription-based development plans for ongoing support, maintenance, updates, and continuous improvements. Ideal for clients who want a dependable, long-term technical partner with predictable monthly costs. 🗣️ Communication: TOEFL B2 certified, ensuring clear communication with international clients and teams. 📁 Let’s Work Together: If you need a reliable full-stack developer, automation specialist, and problem solver, I’m here to help you build, scale, and optimize your digital products. 👇 Check my portfolio and let’s discuss your project.

Verifications

On time

99%

On budget

99%

Accept rate

100%

Repeat hire rate

30%

Portfolio

Portfolio

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5.0 · 34 Reviews
Reviews
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Contract Integration API Development $620 USD

Douglas is the best! He never fails to deliver amazing work and outstanding support!

Jana C.

@cprforcars

Flag of

Indianapolis, United States

2 years ago

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Interface 2.0 partyApp $300 USD

Best guy on Freelancer Dev environment.

Cleber P.

@partyappvote

Flag of

São Paulo, Brazil

2 years ago

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Code Refactoring Proposal $500 USD

Great job. I have already ordered new work.

Cleber P.

@partyappvote

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São Paulo, Brazil

2 years ago

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Custom layout for livebuoy.ai $200 USD

Douglas is a great developer. He has excellent knowledge, is able to see the project as a whole and implement unique solutions. He is quick to respond and I totally recommend.

Ricardo G.

@avatar2003

Flag of

, United States

2 years ago

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Solve PHP 8.1 compatibility with wordpress page €25 EUR

Thank you for your work and time

Ouadiha A.

@Tidelot

Flag of

Amsterdam, Netherlands

2 years ago

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Experience

Freelancer developer

May, 2016 - Jan, 2025

8 years, 8 months

Self-employed

May, 2016 - Jan, 2025

8 years, 8 months

I've been working as a freelancer since 2006 really, but this is my most accurate record of activities and evaluations. I'm currently ranked amongst the top 30 freelancers with an 4.87/5 review score.

May, 2016 - Jan, 2025

8 years, 8 months

Analyst

Jun, 2012 - May, 2013

11 months, 1 day

Onclick Sistemas

Jun, 2012 - May, 2013

11 months, 1 day

Technical requirements research, ERP system setup for medium to large companies, SQL database support, user training and software customization.

Jun, 2012 - May, 2013

11 months, 1 day

Education

Instituto Federal de Educação, Ciência e Tecnologia

2017 - 2023

6 years

Web Systems Development

Flag of

Brazil

2017 - 2023

6 years

Instituto Federal de Educação, Ciência e Tecnologia

2015 - 2017

2 years

Software analysis and development

Flag of

Brazil

2015 - 2017

2 years

Certifications

P

Preferred Freelancer Program SLA

WordPress

WordPress

HTML - Level 1

HTML

JavaScript - Level 1

JavaScript

US English - Level 1

US English

US English - Level 2

US English

Registered Users

Total Jobs Posted

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