# Luca Destefano Boer

> Senior Software Engineer and AI Engineer based in São Paulo, Brazil (UTC−3), working professionally in software engineering since January 2023. Focused on backend systems, applied AI (LLM agents, RAG and real-time voice agents) and cloud infrastructure on AWS and Kubernetes. Works in Python, Go and TypeScript. Open to remote Senior Backend and AI Engineer roles, full-time or contract, with availability for US business hours.

Language of this file: English. A Portuguese version of the full profile is at https://lucadestefanoboer.com/pt/index.md.

## Quick facts

- Name: Luca Destefano Boer (also "Luca Boer"; GitHub handle "lucadboer")
- Current role: Senior Software Engineer and Tech Lead of the internal AI agents platform at Future Secure AI (Oct 2024 – present; Tech Lead since April 2026), a US AI company building AI agents and automation workflows for clients across industries, including healthcare, education and high-volume invoicing
- Previous roles: Fullstack Developer at AIZZY, an AI assistants platform (Jun 2023 – Oct 2024); Mobile Developer at Maker Experts, React Native apps for social aid initiatives (Jan 2023 – Jun 2023)
- Location and work mode: São Paulo, Brazil (UTC−3); works remotely with US teams
- Backend: Python, Go, TypeScript, Node.js, NestJS, REST, gRPC, OpenAPI, PostgreSQL, MongoDB, Redis, Temporal, distributed systems, Clean Architecture, DDD, automated testing
- Applied AI: AI agents, LLM orchestration, tool and function calling, RAG, embeddings, vector search, MCP (Model Context Protocol) servers, real-time voice agents (LiveKit, Twilio SIP), golden-dataset evaluations, prompt-injection guardrails, Langfuse, Portkey, LiteLLM, OpenRouter, OpenAI and Anthropic APIs, LangChain, LlamaIndex
- AI engineering in production: hybrid search (BM25 + dense vectors), rerankers, query rewriting and multi-query retrieval, semantic caching, structured JSON outputs, long-term memory for assistants, multi-agent orchestration, golden-dataset and LLM-as-a-judge evaluations, prompt-injection guardrails, privacy-safe tracing, model routing through AI gateways (Portkey, LiteLLM), prompt caching and spend caps, token streaming over SSE with reconnection handling, prompt versioning and rollback, local open models with Ollama (Qwen)
- Cloud, serverless and infrastructure: AWS (Lambda as serverless compute, EC2, EKS, SQS, S3, Cognito, KMS, IAM), Kubernetes, Docker, Terraform, CI/CD with GitHub Actions, OpenTelemetry, Grafana, Prometheus, Datadog
- Side project: recepia, a WhatsApp assistant for routine dental appointment booking (2026 – present; not live with a clinic yet), TypeScript, PostgreSQL, Claude API, OpenTelemetry
- Education: MBA in Software Architecture, Full Cycle (2026 – 2027, in progress); Postgraduate Specialization in Advanced Software Development with Golang, Full Cycle (2023 – 2024); Technology Degree (Tecnólogo) in Systems Analysis and Development, Universidade Paulista (UNIP) (2021 – 2023); Fullstack Development intensive course, Rocketseat (2023)
- Languages: Portuguese (native), English (advanced, B2/C1)
- Contact: lucadestefanoboer@gmail.com

## Profile

- [Full profile in Markdown (English)](https://lucadestefanoboer.com/index.md): about, expertise, experience, side project, education and languages
- [Full profile in Markdown (Portuguese)](https://lucadestefanoboer.com/pt/index.md): the same profile in Brazilian Portuguese
- [Website in English](https://lucadestefanoboer.com/)
- [Website in Portuguese](https://lucadestefanoboer.com/pt)

## Links

- [LinkedIn](https://www.linkedin.com/in/luca-destefano-boer/)
- [GitHub](https://github.com/lucadboer)
- [recepia, side project source code](https://github.com/lucadboer/recepia)
- [Future Secure AI, current company](https://www.futuresecure.ai)
- [AIZZY, previous company](https://aizzy.ai)

## Optional

- [Full profile as a single text file](https://lucadestefanoboer.com/llms-full.txt)
- [Sitemap](https://lucadestefanoboer.com/sitemap.xml)