At eNor Securities, we are a fintech focused on financial infrastructure, digital assets, and regulated products, operating at the intersection of traditional finance and the crypto ecosystem. We work in a highly complex technical and regulatory environment, where engineering decisions have a direct impact on security, scalability, reliability, and operations.
Our engineering team works closely with product and business, with technical autonomy, ownership, and a strong focus on long-term sustainable solutions.
About the role We are looking for a Backend Software Engineer with a strong focus on Rust, at Mid to Senior level, to play a strategic role in the evolution of our backend systems.
We seek someone with a software architecture mindset, capable of actively participating in technical decisions, evaluating trade-offs, and contributing to the evolution of our codebase with maturity and long-term vision, in close collaboration with the Tech Lead and engineering team.
Beyond feature implementation, this role is key to structuring, scaling, and sustaining the platform as our products grow.
Expected profile Mid to Senior level
5+ years of backend development experience
Strong architectural thinking
Comfortable discussing, proposing, and executing technical decisions
Hands-on, collaborative, and critical-thinking mindset
Technical English for reading, writing, and professional communication
Required skills Solid experience with Rust
Consistent practice of Test Driven Development (TDD)
Experience with distributed systems and microservices architecture
Ability to analyze and contribute to architectural decisions
Experience or strong interest in fintech, crypto, or financial systems (highly valued)
Nice to have Async Rust / Tokio
gRPC (Tonic)
SQLx
Redis
Kafka
Docker
Kubernetes
Responsibilities Contribute to backend architectural evolution
Implement solutions aligned with team decisions
Propose improvements in architecture, performance, and quality
Ensure robust, testable, and maintainable code
Collaborate closely with the Tech Lead on technical decisions
Support ongoing maintenance and evolution of services
Differentials Experience in regulated environments or critical systems
Background in high-scale, high-availability, or low-latency systems
Previous experience in mature engineering teams
Senior engineer mindset with a collaborative and systemic view
If you enjoy real technical challenges and want to build impactful financial infrastructure, come join eNor Securities.
Backend Software Engineer Rust MidSenior • Primavera do Leste, Mato Grosso, Brazil