Senior Rust Engineer - Core Services & Distributed Systems

JobFluent; United States; Remote; USD 134,000 - 202,000; Full time

Job summary

Payward is seeking a Senior Software Engineer specialized in Rust to help design and build core services for Kraken's platform. Based in Barcelona or remote, you will own end-to-end components, optimize for security, reliability, and scalability while collaborating with hundreds of Rust engineers.

You bring 7+ years of engineering experience, fluency with asynchronous Rust, and a security-first approach. The role emphasizes architectural ownership, low-latency services, and maintaining

Qualifications

• 7+ years of software engineering experience.
• Experience building and scaling shared systems and internal platforms.
• Proficient in writing network services or asynchronous code in Rust.
• Security-first mindset during system design.
• Ability to debug issues across OS, network, and application layers.
• Familiarity with distributed systems technologies like RPC, Kafka, and event-driven architectures.
• Strong collaboration with product teams and end-to-end ownership.

Responsibilities

• Design and implement robust Rust services and foundational libraries powering Kraken's core infra.
• Write reusable, testable, and efficient code built for scale, observability, resilience.
• Collaborate on large-scale distributed systems architecture and support global trading platforms.

Skills

Rust

Distributed systems

RPC protocols

Kafka

Event-driven systems

Debugging across stack

Ownership of services

Tools

Kafka

Asynchronous Rust

Job description

Payward is seeking a Senior Software Engineer specialized in Rust to help design and build core services for Kraken's platform. Based in Barcelona or remote, you will own end-to-end components, optimize for security, reliability, and scalability while collaborating with hundreds of Rust engineers.

You bring 7+ years of engineering experience, fluency with asynchronous Rust, and a security-first approach. The role emphasizes architectural ownership, low-latency services, and maintaining