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Lucas Floriano

@lucasfloriano

Lead Engineer at DealMerge who led seven engineers through a ground-up Next.js rewrite of a commercial real estate platform.

Brazil
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At DealMerge, I own the architecture of a commercial real estate deal platform and led seven engineers through a ground-up rewrite on Next.js, React, TypeScript, and PostgreSQL. I designed event-driven backend systems for activity, notifications, analytics, and search.

I also built hybrid lexical and vector search on Typesense, document AI pipelines with AWS S3 and Textract, and Stripe billing and OAuth integrations. I set engineering standards and mentored engineers through code review, testing, and architecture documentation.

At Dromo, I engineered the performance architecture for an embeddable React data-import widget and led the customer-dashboard rewrite. I also designed AWS Lambda import pipelines for scheduled and SFTP-driven imports.

Earlier, at Predactiv / ShareThis, I modernized React and Node.js applications and built analytics interfaces over large audience datasets. At Jungle Devs and BrasilRad, I shipped React products, led a shared UI library effort, and built a field-data app that tripled field-team productivity.

Experience

Work history, roles, and key accomplishments

GC
Current

Senior Backend / Data Engineer

Global agri-science company (confidential)

Jan 2026 - Present (9 months)

Ships Python/FastAPI and PostgreSQL services on AWS ECS/Fargate with React, TypeScript, Tailwind and TanStack Query UI, and hardened authorization across API and UI. Built resumable, API-driven bulk migrations and automated data-health release gates.

DE
Current

Lead Engineer

DealMerge

Jan 2024 - Present (2 years 9 months)

Owns the architecture of a commercial real estate deal platform and led seven engineers through a rewrite to a Turborepo monorepo on Next.js 16, React 19, TypeScript, tRPC and Drizzle on PostgreSQL. Designed the backend core with transactional domain events, idempotent projections, and durable background jobs.

SE

Senior Full-stack Engineer

SearchParty

Jan 2025 - Dec 2026 (1 year 11 months)

Shipped Next.js, React and TypeScript features for an AI search-visibility platform, including real-time citation tracking, a custom filter builder and streaming strategy generation. Designed the monorepo's layered boundaries and durable background processing with named queues and concurrency limits on AWS via SST.

BU

Sole Developer

BusinessPlan.ai

Jan 2025 - Dec 2025 (11 months)

Built a business-plan SaaS end to end on Next.js, React, TypeScript, tRPC and Prisma, including Stripe payments with purchasing-power pricing and 10-language localization. Orchestrated long-running generation as a dependency graph with per-user concurrency queues and retries.

DT

Senior Staff Frontend Engineer

Dromo (via Toptal)

Jan 2022 - Dec 2025 (3 years 11 months)

Engineered the performance architecture that keeps an embeddable React/TypeScript data-import widget fast on large spreadsheets inside customer applications, and led the customer-dashboard tech-stack rewrite. Designed the headless import pipeline on AWS Lambda with scheduled and SFTP-driven imports.

PS

Lead Full-stack Engineer

Predactiv / ShareThis

Jan 2021 - Dec 2023 (2 years 11 months)

Modernized a legacy React/Node.js codebase spanning multiple applications, speeding delivery and onboarding with minimal regressions. Grew and led the frontend team from one to three, and built performant interfaces over large audience datasets with D3, VISX and Recharts.

JD

Software Engineer

Jungle Devs

Jan 2018 - Dec 2021 (3 years 11 months)

Led the agency's largest project with a six-person team, refactoring React data visualizations into a shared UI library and mentoring three developers. Turned client business requirements into shipped React/TypeScript and Django products alongside product and design teams.

BR

Systems Analyst

BrasilRad

Jan 2016 - Dec 2018 (2 years 11 months)

Built a hybrid mobile app for field data collection that tripled field-team productivity and led a React and Python/Flask hospital application with outside hires. Owned CI pipelines and infrastructure alongside product delivery.

Education

Degrees, certifications, and relevant coursework

Lucas hasn't added their education

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