I am Brendo Sousa, an AI Engineer with 5+ years of experience building real-time AI systems and integrating LLMs, voice, and image generation into production applications. I have a solid full-stack background with JavaScript (React), Node.js, and Python, and I optimize for low latency and high throughput in enterprise-scale solutions. I enjoy delivering robust, scalable architectures that power responsive conversational experiences for large user bases. I thrive in fast-paced environments and excel at designing interactive chat interfaces with session continuity, typing animations, and multimedia outputs. I am comfortable working independently on contract engagements and am a fast learner, ready to integrate voice synthesis, speech-to-text, and AI avatar solutions as part of end-to-end AI-enabled experiences.

Brendo Sousa

I am Brendo Sousa, an AI Engineer with 5+ years of experience building real-time AI systems and integrating LLMs, voice, and image generation into production applications. I have a solid full-stack background with JavaScript (React), Node.js, and Python, and I optimize for low latency and high throughput in enterprise-scale solutions. I enjoy delivering robust, scalable architectures that power responsive conversational experiences for large user bases. I thrive in fast-paced environments and excel at designing interactive chat interfaces with session continuity, typing animations, and multimedia outputs. I am comfortable working independently on contract engagements and am a fast learner, ready to integrate voice synthesis, speech-to-text, and AI avatar solutions as part of end-to-end AI-enabled experiences.

Available to hire

I am Brendo Sousa, an AI Engineer with 5+ years of experience building real-time AI systems and integrating LLMs, voice, and image generation into production applications. I have a solid full-stack background with JavaScript (React), Node.js, and Python, and I optimize for low latency and high throughput in enterprise-scale solutions. I enjoy delivering robust, scalable architectures that power responsive conversational experiences for large user bases.

I thrive in fast-paced environments and excel at designing interactive chat interfaces with session continuity, typing animations, and multimedia outputs. I am comfortable working independently on contract engagements and am a fast learner, ready to integrate voice synthesis, speech-to-text, and AI avatar solutions as part of end-to-end AI-enabled experiences.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Portuguese
Advanced

Work Experience

Lead AI Engineer (Real-Time Systems & Chat) at Semantix
May 1, 2023 - Present
Led the development of a real-time AI chat interface for enterprise clients, integrating typing animations, session continuity, and multimedia outputs (images, documents). Optimized low-latency responses (<100ms p95) using WebSockets and caching. Integrated DALL-E and Stable Diffusion for instant image generation within chat. Implemented speech-to-text (Whisper) and text-to-speech (ElevenLabs) for voice-enabled AI assistants, reducing typing effort by 40%. Scaled backend to support 50k+ concurrent users via asynchronous processing and load balancing.
AI Engineer (Conversational Systems) at Perplexity
January 1, 2021 - February 1, 2023
Developed real-time conversational AI for a search product serving 500k+ monthly users with low latency (<200ms). Designed a responsive chat UI with markdown rendering, code highlighting, and streaming responses. Integrated third-party AI services (OpenAI, vector search) to power intelligent answers.
Software Engineer (Full Stack) at Nubank
August 1, 2017 - December 1, 2020
Built internal chat-based support tools using React and Node.js, reducing customer response time by 50%. Implemented WebSocket-based real-time notifications for transaction alerts.

Education

Bachelor's Degree in Artificial Intelligence at Carnegie Mellon University
January 1, 2012 - January 1, 2016
Bachelor's Degree in Artificial Intelligence at Carnegie Mellon University
January 1, 2012 - January 1, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Other