Backend Software Engineer - Rust (Mid/Senior)

eNor Securities; Londrina; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A fintech company located in Brazil is seeking a Backend Software Engineer focused on Rust, aimed at enhancing their backend systems. The ideal candidate will have over 5 years of experience in backend development, strong architectural skills, and the ability to work collaboratively. Responsibilities include improving architectural decisions, implementing solutions, and maintaining code quality. This role offers an exciting opportunity in a dynamic and impactful financial infrastructure environment.

Qualificações

• 5+ years of backend development experience.
• Strong architectural thinking.
• Proficient discussing and executing technical decisions.

Responsabilidades

• Contribute to backend architectural evolution.
• Implement solutions aligned with team decisions.
• Propose architectural improvements.

Conhecimentos

Rust

Test Driven Development (TDD)

Distributed systems

Microservices architecture

Technical English

Ferramentas

Docker

Kubernetes

Kafka

Descrição da oferta de emprego

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.

Requirements

• 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.