Software Engineer specialized in Generative AI (GenAI), agentic workflows, and highly scalable distributed systems. Deep expertise in Python-based AI engineering and RAG pipelines, building secure and autonomous agent systems for enterprise automation. Passionate about translating business processes into LLM-powered automation—connecting advanced AI capabilities to high-performance, cloud-ready architectures with strong governance, security, and testing practices.

JOHN WESLEY SANTOS ALENCAR

Software Engineer specialized in Generative AI (GenAI), agentic workflows, and highly scalable distributed systems. Deep expertise in Python-based AI engineering and RAG pipelines, building secure and autonomous agent systems for enterprise automation. Passionate about translating business processes into LLM-powered automation—connecting advanced AI capabilities to high-performance, cloud-ready architectures with strong governance, security, and testing practices.

Available to hire

Software Engineer specialized in Generative AI (GenAI), agentic workflows, and highly scalable distributed systems. Deep expertise in Python-based AI engineering and RAG pipelines, building secure and autonomous agent systems for enterprise automation.

Passionate about translating business processes into LLM-powered automation—connecting advanced AI capabilities to high-performance, cloud-ready architectures with strong governance, security, and testing practices.

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Language

Portuguese
Fluent
English
Intermediate

Work Experience

AI Software Engineer at Accenture
October 1, 2025 - Present
Architected and deployed full stack GenAI and agent-based workflow platforms, integrating foundation models to automate internal and business processes. Engineered advanced RAG pipelines and embedding/retrieval systems using vector databases such as PGvector and ML frameworks like PyTorch. Orchestrated multi-agent systems with LangChain and LangGraph and applied AI governance/ring-fencing concepts for security. Developed fine-tuning and prompt engineering across multiple LLMs (GPT, Claude, Gemini, and open-source via Ollama) to improve accuracy and reduce hallucinations. Designed and provisioned AI infrastructure across multi-cloud environments (AWS Bedrock, Lambda, Fargate; GCP Vertex AI) with access control and authentication using AWS Cognito (2FA). Built high-performance backends using Python and DDD, optimized PostgreSQL models, and delivered dynamic interfaces with React/Next.js and TypeScript.
Automation & Systems Engineer at Inspired Education Group
June 1, 2025 - October 1, 2025
Built process automation using Python, Selenium, and Google Apps Script, reducing account creation time by 84% (25 to 4 minutes) and improving batch processing performance for 30 accounts (750 to 120 minutes). Implemented unit, integration, regression, and stress testing to ensure stability and performance. Led technical onboarding/training for cross-functional teams. Integrated GenAI into automation pipelines using LLM APIs to extract and classify unstructured data from emails/forms, streamlining the account creation workflow.
Full Stack Developer at Inspired Education Group
December 1, 2022 - June 1, 2025
Developed an enterprise inventory and stock management system using Django and PostgreSQL, improving logistics efficiency by 90%. Built interactive dashboards with Power BI, Streamlit, and Grafana, reducing analysis time by 70% and improving executive decision-making. Implemented responsive web applications and management dashboards using React.js, Next.js, and Node.js, improving internal operations by up to 60%. Integrated internal systems, Google Workspace, and third-party APIs (iSAMS) for automated data synchronization. Delivered PoCs with OpenAI APIs in a Django backend to add automated categorization and semantic analysis layers for inventory management data.
Junior IT Support Specialist at UNIBRA - Centro Universitário Brasileiro
January 1, 2020 - December 1, 2022
Provided customer-facing technical support, resolving issues quickly and maintaining strong end-user satisfaction. Standardized installation procedures, reducing repeat ticket volume by 25%. Performed preventive maintenance to extend equipment lifecycle and improve operational reliability.

Education

Associate Degree in Systems Analysis and Development at UNINASSAU
January 11, 2030 - January 1, 2028
Associate Degree in Computer Networks at UNIBRA
January 11, 2030 - January 1, 2021

Qualifications

Reinvention with Agentic AI – Accenture in partnership with Stanford HAI
January 11, 2030 - January 1, 2026
Skill Badge: Extend Gemini with Controlled Generation and Tool Use – Google Cloud
January 11, 2030 - January 1, 2026
Data Engineering and Analysis – ADA TECH
January 11, 2030 - August 6, 2026
Python 3 from Basic to Advanced – Udemy
January 11, 2030 - August 6, 2026
Cisco Python Essentials 1 – Cisco
January 11, 2030 - August 6, 2026
HTML5 and CSS3 – Curso em Vídeo
January 11, 2030 - August 6, 2026
CS50 Introduction to Computer Science – Harvard
January 11, 2030 - August 6, 2026
CS50 Web Programming with Python and JavaScript – Harvard
January 11, 2030 - August 6, 2026
XP Inc. – Full Stack Developer (.NET, C#, AWS) – DIO
January 11, 2030 - August 6, 2026
Backend Developer | Java + Spring Boot – DIO
January 11, 2030 - August 6, 2026

Industry Experience

Software & Internet, Professional Services, Education, Computers & Electronics