Engineer - Ecommerce
Brazil
Posted on Sep 29, 2026
About the Technology team
Our Technology teams build the financial infrastructure that moves money for millions of people across the globe. We work on distributed systems at scale — from the payment kernel to AI-powered fraud detection — and we operate on the belief that great engineering is the foundation of everything CloudWalk does.
About this role
- Own features end-to-end: from discovery and design through production, monitoring, and iteration
- Build and evolve customer-facing ecommerce products across Payment Links, Billing Management, Online Store, and External/Embedded Checkout
- Work full stack across frontend, backend, APIs, and payment integrations
- Ship fast, reliable checkout experiences that merchants and end customers trust
- Design and maintain APIs and SDKs so merchants and partners can embed InfinitePay
- Operate high-volume systems with strong reliability, performance, observability, security, and developer experience
- Partner closely with Product, Design, Data, Risk, and other engineering teams
What You Need To Succeed
- Ecommerce, checkout, billing, or payments experience
- Brazilian payments ecosystem (Pix, cards, installments, acquiring)
- PCI awareness
- Public APIs and SDKs
- High-traffic systems
- Ruby on Rails and modern JavaScript/TypeScript
Nice to Have
- Experience building full-stack web products in production and delivering features end-to-end on your own
- Solid experience with APIs and distributed systems
- Modern frontend skills and strong UX sense for customer-facing products
- Cloud experience on GCP or AWS in critical systems
- Relational databases, caching, async processing, and scalable architecture
- Strong fundamentals in testing, observability, performance, reliability, and security
- Product mindset and ownership when problems are ambiguous
- Clear communication and Advanced English (multinational team)
The Future We See
At CloudWalk, we envision a future where AI empowers every field to reach new heights:
- People teams leveraging AI to transform talent acquisition and employee development.
- Marketing professionals creating data-driven, AI-powered campaign strategies.
- Customer Success teams enhancing client experiences with intelligent solutions.
- Risk analysts combining human expertise with AI to navigate complexities.
- Designers collaborating with AI to push creative boundaries.
Join us at CloudWalk, where we're not just engineering solutions; we're building a smarter, AI-driven future for payments—together.