Connecting clients to markets – and talent to opportunity

With 4,300 employees and over 400,000 retail and institutional clients from more than 80 offices spread across five continents, we’re a Fortune-100, Nasdaq-listed provider, connecting clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.

At StoneX, we offer you the opportunity to be part of an institutional-grade financial services network that connects companies, organizations, and investors to the global markets ecosystem. As a team member, you'll benefit from our unique blend of digital platforms, comprehensive clearing and execution services, personalized high-touch support, and deep industry expertise. Elevate your career with us and make a significant impact in the world of global finance.

Corporate: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies.

Technology Ecosystem:

• Front-End: React, Typescript
• Back End: Node.js, SQL
• Cloud: Kubernetes, Docker, Azure

Position Purpose: As a hands-on Senior Staff Engineer, you will architect and develop high-performing, scalable, enterprise-grade applications across all tiers of the application stack. You’ll collaborate with talented engineers to design low-latency, mission-critical applications, driving innovation through every stage of the software development lifecycle.

Additionally, you’ll take on a leadership role by mentoring developers, contributing to company-wide engineering initiatives, and building meaningful relationships with diverse stakeholders to deliver cutting-edge solutions.

Primary duties will include: 

• Lead the design and evolution of backend APIs and infrastructure to meet business needs.
• Collaborate with UX and product teams to explore, iterate, and solve complex problems.
• Contribute to technical discussions, architecture decisions, and best practice initiatives across teams.
• Mentor and support the professional development of our engineering community through pair programming, talks, and external presentations.
• Drive impactful, scalable solutions that address critical business needs in global financial markets.

To land this role you will need:

• Proven experience developing complex, distributed event-based microservices using Node.js and TypeScript (Java experience is a bonus).
• Expertise in building RESTful APIs (gRPC experience is a plus).
• Proficiency with CI/CD pipelines, ideally using Azure DevOps.
• Strong knowledge of TDD/BDD testing frameworks.
• Excellent understanding of relational databases (SQL) and familiarity with NoSQL databases.
• A delivery-focused mindset and the ability to thrive in global Agile teams.
• Mastery of programming concepts, including clean code principles, SOLID design, and federated microservices architecture.

What makes you stand out:

• Minimum 5 years’ experience ideally withing financial services, FinTech.
• Experience leading a small team of developers and driven architecture solutions

• Experience with microservices federated architecture
• Exposure with distributed messaging/streaming platforms (Apache Kafka)

Education / Certification Requirements:

• BS/MS degree in Computer Science, Engineering or a related subject

Working environment:

• Hybrid