From architecture
to production.
The decisions I owned, the systems I built, and what shipped.
2024–presentFull-time
DealMerge
Lead Engineer
Led a team of seven through a commercial real estate platform rewrite. Owned the architecture and shipped the AI assistant, search, document workflows, integrations and billing.
Read the case study2026–presentContract
Global agri-science company
Senior Backend / Data Engineer
Owned backend and data engineering for a plant-biotechnology R&D platform: governed reference data, recoverable migrations, authorization and scientific search, with production readiness and team handoff in scope.
Read the case study2025–2026Contract
SearchParty
Senior Full-stack Engineer
Shipped AI product experiences from citation tracking to a streaming strategy agent, adaptive interviews, and real-time voice and screen sharing. Built the AI layer and durable workflows behind them.
Read the case study2025Contract
BusinessPlan.ai
Sole Developer
Built an AI business-planning product as the sole engineer, from generation and financial modelling to payments and exports. Designed long-running workflows to recover from partial failures.
Read the case study2022–2025Contract
Dromo
Senior Staff Frontend Engineer
Co-owned an embeddable data-import product used by software teams. Built headless imports and AI-assisted column matching, and led the customer dashboard's technology rewrite.
Read the case study
Let’s build something useful.
Tell me about the role or product, the challenge you need help with, and your team's timezone. We can start with a short conversation.
lucasflorianomuller@gmail.comOpen to senior and staff roles, contract engagements and consulting. Fully remote from Brazil.
UTC−3. Daily overlap with US and European teams, with working hours agreed together.