Full-Stack Software Engineer - facio

Brazilian Fintech accelerated in Silicon Valley needs you!

Help us improve the lives of 34 million workers in financial distress

We are a profitable, Series B fintech backed by Monashees, ONEVC, and Y Combinator, with over $50 million in annual revenue and more than 5 million people already served.

Our mission is to improve the financial wellbeing of 34 million Brazilian workers who lack access to affordable credit — starting with salary advances and expanding toward full financial empowerment.

Position: Full-Stack Software Engineer

What you'll do

• Design, build, and ship microservices end-to-end — from architecture to production — that directly impact millions of users
• Own ambiguous, high-impact problems and turn them into scalable solutions
• Work across the stack: Go/TypeScript serverless backends and a Flutter mobile app
• Collaborate with a senior team that ships fast without sacrificing quality

You're the right person if you:

• Have 3+ years of relevant software development experience
• Have a deep understanding of computer science fundamentals and data structures
• Have architected and developed solutions to ambiguous problems with significant impact
• Are ambitious and want to grow and learn fast
• Are eager to learn new coding languages and tools as needed

Bonus points

• Experience with microservices, CI/CD, and serverless architectures
• You're an AI enthusiast — you actively use AI coding tools (Claude Code, Copilot, Cursor) in your daily workflow, experiment with LLMs, and are excited to help us build AI into both our engineering practices

Our tech stack

We are proud of our backend architecture, using serverless to build and scale fast without losing the long-term view:

• Microservices in Golang and TypeScript using AWS Lambda, DynamoDB, API Gateway, and AppSync
• Fully automated CI/CD
• Infrastructure as code using AWS CDK
• Mobile application built in Flutter
• A culture that embraces AI-assisted development to move faster

What we offer

• Fully remote — we meet 4 times a year in São Paulo (flights & accommodation on us)
• Above-market compensation
• CLT with full benefits
• Top-tier stock options package
• A talented senior engineering team to learn from and grow with

Ready to build the future of financial access in Brazil?

Apply now — we review every application.