Permanent, full-time, hybrid

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.

Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. 

Technology Ecosystem:

Position Purpose: We’re looking for a Senior Software Engineer to join our team and play a key role in designing, developing, and delivering high-quality software. This role is ideal for someone who thrives on end-to-end ownership of projects, enjoys collaborating across the full SDLC, and brings strong frontend expertise in React.

While the focus is frontend, experience with .NET/C# backend services is a strong plus. You’ll work closely with product managers, designers, and fellow engineers to build scalable applications that deliver real business value.

Primary duties will include:

• Take part in the full software development lifecycle — from story pointing and design through to coding, testing, and deployment.

• Build responsive, modern UIs using React, TypeScript/JavaScript (ES6+), HTML5, and CSS/SASS.

• Collaborate with backend engineers on RESTful APIs, services, and data integration.

• Write unit and integration tests, using TDD where appropriate.

• Contribute to architecture discussions, code reviews, and continuous improvement practices.

• Use tools like Azure DevOps, CI/CD pipelines, Git, and cloud services to deliver reliable, scalable solutions.

• Lead project execution within your squad — ensuring scope, timelines, and quality standards are met.

To land this role you will need:

• 7+ years of professional software engineering experience, with at least 5 years in Front End development.

• Strong expertise in React (preferred) or similar UI frameworks (Angular, Vue).

• Proficiency in JavaScript (ES6+) and/or TypeScript, plus strong knowledge of HTML5 and CSS/SASS.

• Experience designing and delivering responsive web applications.

• Solid grounding in software design principles and architecture.

• Strong collaboration skills - able to work across Product, QA, and DevOps.

• Growth mindset and ability to lead projects without direct people management.

What makes you stand out:

• Experience with C#/.NET backend development and RESTful services.

• Knowledge of SQL Server or MongoDB.

• Exposure to Azure cloud services, Docker/Kubernetes, microservices, CI/CD pipelines.

• Familiarity with financial markets, payments, or trading platforms.

• Understanding of UX principles and user-centered design.

Education / Certification Requirements: 

• Bachelor's degree in Computer Science, Software Engineering, or equivalent experience 

Working environment:

• Hybrid - private parking for employees.
• FTE (UoP).

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