Backend Engineer Ledger
CloudWalk
Software Engineering
São Paulo, SP, Brazil
Posted on May 6, 2026
What You'll Do:
This role sits on a team that owns both auth and ledger, so you'll occasionally pick up work across both areas.
- Develop and maintain Stratus, an EVM-compatible centralized ledger released as open source - Build and operate the indexers that ingest and expose ledger state - Support other teams integrating with the ledger - Improve performance, reliability, and correctness of a system that holds production financial state - Communicate clearly with both technical and non-technical stakeholders
Who You Are:
- Has operated critical infrastructure on cloud providers like GCP or AWS, using tools such as Terraform
- Has developed databases or data-intensive applications
- Has developed parallel and distributed systems
- Is proficient in Rust
- Familiarity with the EVM, Solidity, or blockchain internals is a plus
- Knowledge of the Brazilian payments ecosystem is a plus
- Communicates clearly and effectively
- Advanced English communication skills, primarily for internal communication with our diverse, multinational team
Why Join CloudWalk?
Work at one of the world's most innovative and fastest-growing fintechs;
Collaborate with a diverse team of hackers, artists, and visionaries;
Explore the power of AI to amplify your impact as an engineer;
Build solutions that touch millions of lives every day.
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.
Work at one of the world's most innovative and fastest-growing fintechs;
Collaborate with a diverse team of hackers, artists, and visionaries;
Explore the power of AI to amplify your impact as an engineer;
Build solutions that touch millions of lives every day.
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.