Connecting clients to markets – and talent to opportunity.
With 4,300 employees and over 400,000 retail and institutional clients across more than 80 offices on five continents, StoneX is a Fortune-100, Nasdaq-listed provider focused on innovation, human connection, and world-class services.

As a Staff Engineer, Developer Platforms, you will architect, lead, and evolve mission-critical components of the internal developer platform. You will drive reliability, automation, scalability, and developer experience improvements across the engineering organization.

- Design and evolve platform components, tooling, automation frameworks, and golden paths.
- Lead cross-team initiatives to improve reliability, performance, security, and operational excellence.
- Collaboratively define and maintain standards for CI/CD, IaC, observability, platform governance, and developer workflows.
- Mentor engineers, lead technical design reviews, and elevate engineering practices.
- Diagnose complex distributed systems issues and lead incident resolution and post-incident analysis.
- Drive automation of deployment workflows, resilience patterns, failure recovery mechanisms, and lifecycle management.
- Partner with SRE, infrastructure, security, and product engineering teams to align platform capabilities with business priorities.
- Represent Developer Platforms in technical forums and influence platform adoption.

To land this role you will need:
- 7+ years of platform, SRE, cloud, or infrastructure engineering experience.
- Deep experience with distributed systems, Kubernetes, cloud-native patterns, and automation.
- Strong expertise in CI/CD systems, IaC (Terraform, ARM/Bicep, CloudFormation), and platform reliability.
- Significant experience leading technical initiatives and mentoring engineers.
- Excellent communication, architectural thinking, and cross-functional leadership.

What makes you stand out:
- Experience driving platform modernization or large-scale migrations.
- Ability to define long-term platform strategy and architectural direction.
- Passion for developer experience, internal platforms, and accelerating engineering velocity.
- Demonstrated impact in scaling infrastructure, improving reliability, and maturing engineering ecosystems.

Education / Certification Requirements
- Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
- Advanced cloud or platform engineering certifications preferred.

Working Environment
- Hybrid, four days in the office.
- Minimal travel.