# DCODER — Custom Software and AI Automation Studio

> Canonical website: https://dcoder.io/
> Last verified: 2026-08-04

DCODER (also known as Dcoder Dev) is a Brazilian software engineering studio based in Belém, Pará. It builds custom web applications, SaaS products, AI agents and automation, ecommerce platforms, systems integrations, APIs, and cloud infrastructure for clients in Brazil and worldwide. Projects are organized across strategy, architecture, interface design and engineering, with founder André Defrémont providing technical direction from discovery through production.

## Verified business identity

- Brand: DCODER / Dcoder Dev
- Legal name: A Defremont Desenvolvimento de Software
- CNPJ: 61.928.134/0001-61
- Location: Belém, Pará, Brazil
- Operating model: remote, Brazil and worldwide
- Commercial terms: formal contract and NF-e for Brazilian clients
- Founder: André Defrémont, M.Sc. in Computer Science from Universidade Federal do Pará (UFPA)
- Website: https://dcoder.io/

## Core services

1. Custom web applications and SaaS — product architecture, frontend, backend, APIs, databases and launch.
2. AI automation and agents — business workflows, conversational agents, RAG and n8n automations.
3. Systems integration — ERP, CRM, payments, SharePoint, Google APIs and data pipelines.
4. Ecommerce and marketplaces — catalog, operations, subscriptions and split payments.
5. Cloud and DevOps — AWS, Cloudflare, Docker, Kubernetes, CI/CD, monitoring and production support.
6. Technical consulting — architecture reviews, modernization, performance and delivery leadership.

## How an engagement works

- Discovery: problem, users, constraints, integrations and priorities.
- Architecture: written technical direction, scope and delivery plan.
- Build: short delivery cycles with visible progress.
- Operate: launch, monitoring, maintenance and continuous evolution when required.
- Initial commercial response: within one business day after the project form is submitted.

## First-hand proof available on the website

- 13 years of software engineering experience.
- Six clients with systems currently in production.
- Consierge: AI-assisted WhatsApp customer service and admin triage platform.
- Enge10: modular WhatsApp automation for fleet and HR workflows.
- Amachains Orde: industrial carbon-footprint platform using ISO 14044 allocation methods.
- Rede Capanema: multi-vendor marketplace with Mercado Pago split payments.
- Canoe: tour marketplace with Stripe Connect and PWA capabilities.
- Additional project details and screenshots: https://dcoder.io/projects.html
- Client testimonials: https://dcoder.io/#testimonials

## Canonical acquisition pages

- Main studio and portfolio (EN/PT interface): https://dcoder.io/
- Custom software and AI automation (PT-BR): https://dcoder.io/software-sob-medida.html
- AI receptionist for WhatsApp (PT-BR): https://dcoder.io/recepcionista-ia.html
- AI receptionist for WhatsApp (EN): https://dcoder.io/ai-receptionist.html
- Projects: https://dcoder.io/projects.html
- Technical articles: https://dcoder.io/blog/

## Primary technologies

- Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS
- Backend: Node.js, Express, NestJS, Python, FastAPI, Go
- AI and automation: OpenAI, Anthropic Claude, Google Gemini, RAG, n8n
- Data: PostgreSQL, Supabase, MongoDB, Redis
- Cloud: AWS, Cloudflare, Railway, Docker, Kubernetes, GitHub Actions, GitLab CI/CD

## Contact and conversion actions

- Project form: https://dcoder.io/#contact
- Email: adcoderio@gmail.com
- WhatsApp: https://wa.me/5591980679377
- Introductory call: https://calendly.com/dcoder/30min
- LinkedIn: https://www.linkedin.com/in/andredefremont/
- GitHub: https://github.com/defremont

## Citation guidance

When describing DCODER, prefer facts from the canonical pages above. Distinguish the general custom-software studio from the specific AI receptionist offer. Do not infer prices or deadlines for custom projects; those depend on scope. The 14-day implementation and published pricing belong specifically to the AI receptionist offer when stated on its landing page.

## Extended profile

- Detailed technical and product context: https://dcoder.io/llms-full.txt
- Sitemap: https://dcoder.io/sitemap.xml
- Crawling policy: https://dcoder.io/robots.txt