
Sostenes Apollo
Rio de Janeiro, Brazil
Sostenes Apollo
Web Developer | AI Full Stack Engineer
Category : Web development
Hi, I’m a Web Developer and AI Full Stack Engineer specializing in scalable web applications, AI-powered systems, real-time architectures, and data-driven platforms.
I build production-grade systems where frontend applications, backend services, AI workflows, and data pipelines operate as a unified architecture rather than isolated components.
My work focuses on modern engineering trends such as AI-assisted automation, real-time systems, event-driven architectures, and cloud-native application design.
I develop modern web platforms using React, Next.js, Vue, Nuxt, Node.js, Python, and TypeScript-based ecosystems.
I design backend systems that support real-time APIs, WebSockets, streaming data pipelines, and scalable distributed services.
I build AI-powered workflows using LLM APIs, agent-based orchestration systems, retrieval pipelines, and automation frameworks.
I also develop data engineering and analytics pipelines for processing, transforming, and analyzing structured and real-time datasets.
🔹 Core Expertise
🌐 Web Development
React, Next.js, Vue, Nuxt
TypeScript, Tailwind CSS
REST APIs, GraphQL APIs
SSR / ISR architectures
Headless CMS integrations (Strapi, Sanity, Contentful)
🧠 AI & Automation
OpenAI APIs / LLM systems
AI agent workflows
LangChain / LangGraph-style orchestration
RAG pipelines + vector databases
Workflow automation systems
⚙️ Backend & Real-Time Systems
Node.js (NestJS, Express, Fastify)
Python (FastAPI, Django)
WebSockets + streaming architectures
Event-driven systems (Kafka, RabbitMQ, NATS)
Microservices + scalable API systems
📊 Data Engineering & Analytics
ETL / ELT pipelines
Data transformation systems
Real-time analytics pipelines
Pandas, NumPy, analytical processing
Trading and business intelligence analytics
☁️ Cloud & Infrastructure
AWS (Lambda, EC2, ECS, S3)
Docker + CI/CD pipelines
Serverless architectures
Terraform / Infrastructure as Code
Cloud-native deployment systems
🔹 What clients usually hire me for
Scalable fullstack web applications
AI-powered SaaS platforms
Real-time dashboards and analytics systems
AI automation workflows and agent systems
Data engineering and analytics pipelines
Backend architectures optimized for scalability and reliability
Headless CMS-based platforms
🔹 My approach
I focus on building systems that remain maintainable, observable, and scalable under real-world usage.
I prioritize clean architecture, modular system design, and long-term maintainability over quick implementations.
I treat frontend, backend, AI, and data pipelines as connected layers of one system architecture.
🔹 Let’s work together
If you’re building a modern web platform, AI-powered system, or data-driven application, I can help you design and implement a production-grade solution.
Send me a message and let’s discuss your project.
I build production-grade systems where frontend applications, backend services, AI workflows, and data pipelines operate as a unified architecture rather than isolated components.
My work focuses on modern engineering trends such as AI-assisted automation, real-time systems, event-driven architectures, and cloud-native application design.
I develop modern web platforms using React, Next.js, Vue, Nuxt, Node.js, Python, and TypeScript-based ecosystems.
I design backend systems that support real-time APIs, WebSockets, streaming data pipelines, and scalable distributed services.
I build AI-powered workflows using LLM APIs, agent-based orchestration systems, retrieval pipelines, and automation frameworks.
I also develop data engineering and analytics pipelines for processing, transforming, and analyzing structured and real-time datasets.
🔹 Core Expertise
🌐 Web Development
React, Next.js, Vue, Nuxt
TypeScript, Tailwind CSS
REST APIs, GraphQL APIs
SSR / ISR architectures
Headless CMS integrations (Strapi, Sanity, Contentful)
🧠 AI & Automation
OpenAI APIs / LLM systems
AI agent workflows
LangChain / LangGraph-style orchestration
RAG pipelines + vector databases
Workflow automation systems
⚙️ Backend & Real-Time Systems
Node.js (NestJS, Express, Fastify)
Python (FastAPI, Django)
WebSockets + streaming architectures
Event-driven systems (Kafka, RabbitMQ, NATS)
Microservices + scalable API systems
📊 Data Engineering & Analytics
ETL / ELT pipelines
Data transformation systems
Real-time analytics pipelines
Pandas, NumPy, analytical processing
Trading and business intelligence analytics
☁️ Cloud & Infrastructure
AWS (Lambda, EC2, ECS, S3)
Docker + CI/CD pipelines
Serverless architectures
Terraform / Infrastructure as Code
Cloud-native deployment systems
🔹 What clients usually hire me for
Scalable fullstack web applications
AI-powered SaaS platforms
Real-time dashboards and analytics systems
AI automation workflows and agent systems
Data engineering and analytics pipelines
Backend architectures optimized for scalability and reliability
Headless CMS-based platforms
🔹 My approach
I focus on building systems that remain maintainable, observable, and scalable under real-world usage.
I prioritize clean architecture, modular system design, and long-term maintainability over quick implementations.
I treat frontend, backend, AI, and data pipelines as connected layers of one system architecture.
🔹 Let’s work together
If you’re building a modern web platform, AI-powered system, or data-driven application, I can help you design and implement a production-grade solution.
Send me a message and let’s discuss your project.
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
- 🇬🇧 English
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