Software Engineer - Rust

About the role

This opportunity invites you to join the Payward Services team where your primary focus will be building and scaling the core infrastructure for an enterprise platform. In this capacity, you will own the creation of systems that enable safe and efficient movement of money and assets for a diverse range of financial partners around the globe. Your daily work will contribute directly to a global financial infrastructure designed to advance an open financial system for everyone. You will operate within a high-impact environment where your technical decisions directly influence the reliability and performance of critical financial workflows. The role demands a deep commitment to engineering excellence and a passion for solving complex problems at scale. You will be responsible for ensuring that the solutions you build meet the highest standards of security and robustness required by the financial industry. This position is ideal for an individual who seeks to take full ownership of their work and see the direct impact of their contributions on a global stage.

Key facts

What you'll do

• Design and implement Rust services and libraries for trading, payments, and crypto applications, prioritizing reliability and performance above all other metrics.
• Develop highly efficient, reusable, and testable code for critical revenue systems, ensuring safety, security, and long-term maintainability in every line you write.
• Collaborate on the architecture of large-scale distributed systems, translating ambiguous product needs into resilient, low-latency solutions that meet strict operational requirements.
• Work alongside a large group of experienced Rust engineers in a product-focused engineering environment where mentorship and collective code ownership are highly valued.
• Take responsibility for the full lifecycle of software components, from initial design and implementation through to deployment, monitoring, and iterative improvement.
• Independently debug complex issues across the entire technology stack, including operating system behavior, network protocols, and application logic to identify root causes quickly.
• Partner closely with product teams to gather detailed requirements and constraints, ensuring that system design aligns with business objectives and technical feasibility.
• Drive the creation of end-to-end owned systems and libraries, ensuring that all components integrate seamlessly and meet the stringent demands of production environments.
• Analyze performance bottlenecks and implement optimizations that enhance throughput and reduce latency in high-transaction financial systems.
• Champion best practices in software development, including code review, testing strategies, and documentation to elevate the overall quality of the engineering organization.
• Implement observability and logging solutions to ensure that system behavior is transparent and actionable for operations and engineering teams.
• Explore and evaluate new technologies and frameworks, proposing innovative solutions that improve the efficiency and effectiveness of the current infrastructure.
• Ensure that all code changes comply with security policies and regulatory requirements relevant to financial services and data protection.
• Mentor junior engineers by providing guidance and code examples, fostering a culture of learning and continuous improvement within the team.

Requirements

• Possess 3+ years of professional experience in software engineering, demonstrating a consistent track record of delivering complex projects on time.
• Exhibit proficiency in writing network services or asynchronous code using Rust, with a portfolio of production-grade projects to support this claim.
• Maintain a security-first approach to system design, proactively identifying potential vulnerabilities and mitigating risks before implementation.
• Demonstrate the ability to independently debug issues across the entire stack, including OS, network, and application layers, without requiring constant supervision.
• Show a strong understanding of distributed systems and technologies like RPC protocols, Kafka, and Event-Driven Systems to design scalable and robust solutions.
• Engage in effective collaboration with product teams to gather requirements and constraints, ensuring that system design decisions are well-informed and strategic.
• Take full end-to-end ownership of systems and libraries, seeing projects through from conception to completion and beyond.
• Comply with all company policies, legal requirements, and industry standards relevant to the role and the financial services sector.

Nice to have

• Experience developing B2B products, particularly within the fintech or crypto industries, providing insight into the unique challenges of these domains.

Practical notes

Applicants may remove age, date of birth, or education dates from their resumes. Qualified applicants with criminal histories will be considered. The company supports diversity and equal opportunity. Skills assessments may be part of the hiring process.