Senior Full Stack EngineerLucas PereiraBrazil / Remote

Senior product engineering with real proof behind it.

Product,growth, andplatform

I turn product, growth, and platform challenges into software that delivers real outcomes without sacrificing clarity, technical quality, or production confidence.

Selected work across growth, operations, platform, and AI-enabled systems.

Selected Work Get in touch

Operating brief

Outcome-led

Focus

Primary proof

Flagship

One of Pilar's strongest-converting surfaces.

At scale

Built for high-traffic products.

Trusted ops

Ops systems improved quality and trust.

Selected work

Product, operations, and systems work with factual impact

01PilarHomes 02CRM 03Pilar network 04Condominiums + real estate 05Payments + credit

Bifrost / PilarHomesLuxury MarketplacePilarHomes

Frontend delivery for a luxury marketplaceFrontend delivery for a luxury property marketplace

Built PilarHomes' property detail experience and premium adjacent flows, including sticky navigation, off-market journeys, and signed curation surfaces.Built the property detail page and adjacent premium surfaces for PilarHomes from the early product phase onward, including sticky contextual navigation, off-market flows, and signed curations that turned editorial selection into a commercial surface.

Impact

Shipped one of the platform's strongest-converting surfaces with premium presentation and clear commercial reach.Shipped one of the strongest-converting surfaces on the platform, combining premium presentation with meaningful commercial reach and sustained product visibility.

Technical signal

Owned delivery from RFC to implementation across PDP structure, signed curations, off-market flows, and contextual navigation.Worked from RFC through implementation on signed curations, PDP structure, exclusive and off-market surfaces, and the contextual navigation model, balancing editorial polish with disciplined product execution.

Property detailsSigned curationsOff-marketSticky navigation

01Premium marketplace and editorial conversion

Marketplace flagship

PilarHomes

Property details

Signed curations

Off-market

Sticky navigation

Approach

Calm, rigorous engineering with an outcome mindset.

I do my best work in teams that expect more than ticket execution. My role is usually to turn product ambition into technical decisions that stay legible, create a strong user experience, and remain safe to operate after launch.

Product before throughput, with outcomes over activity.

Craft with purpose, not surface polish.

Legible systems with real observability.

AI with restraint, only when it improves the workflow.

Capabilities

Technical breadth framed through practical outcomes.

Rather than listing tools, this section shows the kinds of problems I solve repeatedly: trusted interfaces, operable systems, disciplined delivery, and AI workflows that stay useful in production.

Frontend systems

Frontend work that improves perceived value, sharpens clarity, and helps the product convert more effectively.

I use React, Next.js, Vue, and Nuxt to build experiences that feel intentional and dependable without compromising performance or maintainability.

01 / 04

How it shows up

I use React, Next.js, Vue, and Nuxt to build experiences that feel intentional and dependable without compromising performance or maintainability.

Supporting signals

Next.js

React

Vue

Nuxt

Tailwind

shadcn/ui

Frontend systems

High-quality interfaces built to earn trust and reduce friction.

Frontend work that improves perceived value, sharpens clarity, and helps the product convert more effectively.

I use React, Next.js, Vue, and Nuxt to build experiences that feel intentional and dependable without compromising performance or maintainability.

Next.js

React

Vue

Nuxt

Tailwind

shadcn/ui

Platform and backend

Systems that stay operable and understandable as products grow.

Backend and integration work designed to preserve delivery speed without quietly increasing operational risk.

I work across services, queues, automation, search, and asynchronous processing with close attention to system boundaries and the cost of technical decisions.

Node.js

FastAPI

Redis

PostgreSQL

MongoDB

Celery

Cloud and delivery

Infrastructure and release paths designed for production confidence.

Cloud and delivery choices that support scale, predictability, and disciplined shipping without unnecessary ceremony.

I have practical experience with AWS, ECS, Lambda, SQS, SNS, Pulumi, and Terraform in environments that need reliability behind the scenes.

AWS

ECS

Lambda

SQS

SNS

Pulumi

Terraform

AI and discovery

AI workflows that improve real work, not just the demo.

Search and AI experiences framed around usefulness, retrieval quality, and confidence rather than novelty.

I use semantic search, RAG, and agents where they improve discovery or operations and still keep the product dependable.

LangGraph

LangChain

Qdrant

RAG agents

Semantic search

Experience

A track record across growth, platform, and distributed systems.

2024 — Present

Senior Software Engineer

Pilar

Growth surfaces, observability, AI proofs of concept, and event-driven backend systems tied to product outcomes.

2024

Software Engineering Leader

CloudDevs / Elevate Ventures

Led MVP delivery for a rental management platform from design to production launch.

2022 — 2024

Mid-Level Full Stack Developer

Superlógica

Performance work, search, React and Next.js modules, mobile delivery, and technical mentorship.

2023 — 2024

Full Stack Developer

Bitway / Resolv Risk

White-label anti-fraud platform delivery, billing automation, dashboards, and clean architecture.

Trust signals

Results, judgment, and production responsibility.

Built one of Pilar's strongest-converting product surfaces with clear commercial impact.

Owned strategic features and RFCs, not just implementation tasks.

Improved observability in critical workflows with Grafana and Loki.

Repeatedly took projects from concept to production with real ownership.

Contact

If you need someone who can understand the system, improve the product, and ship with quality, let's talk.

lucas70fernandes@gmail.com

Open to remote roles and selective projects where quality, ownership, and sound technical judgment genuinely matter.

LinkedIn GitHub Email