Job Description

Overview:
COMPANY PROFILE
StoneX Ltd is an FCA authorised and regulated firm to provide trade execution, clearing and advisory services focusing primarily on the Commodities and Foreign Exchange sectors.
StoneX Ltd is part of the StoneX Inc. which is a Fortune 500 company, providing customers across the globe with services including execution and advisory services in Commodities, Capital Markets, Currencies and Asset Management.
OUR TEAM
We operate globally from offices in Europe, US and Asia Pacific. Our employees work closely together in multidisciplinary teams, making our success possible.
Technology - At StoneX, technology is at the heart of everything we do. Our technologists push the limits of possibility, embracing the right technology that adds value to our business. In our fast-paced environment, short feedback loops collaborating with our business partners allows us to deliver projects into production quickly.
Focus - Our teams are business aligned developing and supporting complex solutions across Trading, Risk, Compliance and Operations. Responsibilities:
JOB BRIEF
We are looking for a Senior Software Engineer with experience in building high-performing, scalable, enterprise-grade applications. The role will focus on developing complex mobile applications build on React Native running across IOS and Android devices.
You will be part of a talented engineer team that works on low-latency mission-critical applications. Roles and responsibilities include application architecture and development across full software development lifecycle from concept and design to testing, collaborating with like-minded engineers.
Responsibilities
Primary focus on mobile development
Contribute to all phases of the development lifecycle working within Agile methodology
Prepare and produce releases of software components
Support continuous improvement by investigating technologies and presenting for architectural review
Mentor and supports engineers with technical direction and best practices Qualifications:
BS/MS degree in Computer Science, Engineering or a related subject
Minimum 5 years' experience in mobile app development
Experience in development of Android/iOS applications and have deployed on Google Play/App Store
Strong knowledge with architecture and implementation of Android or iOS applications, experience with full mobile development life cycle
Thorough understanding of React Native and its core principles
Strong knowledge with JavaScript & TypeScript, virtual DOM, asynchronous programming
Understanding & experience in ES6, ES10, JSX
Experience working with popular libraries for networking, asynchronous, image loading, etc.
In-depth knowledge with React Native framework, patterns for code reuse, state management libraries, routing architecture
Experience optimizing app performance, manage memory, and reduce load times
Experience with TDD/BDD, testing framework (Jest/React-testing-library/JUnit)
Some experience developing distributed systems using Microservice architecture (event-based)
Some experience with containerisation (Docker, Kubernetes)
Some experience with cloud platforms (Azure)
Knowledge of Relational Databases SQL and No-SQL databases
Previous experience working with global teams
Fluent English

Skills Required