Junior .NET Developer

Overview

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: 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:

• Back End: C#, .NET
• Databases: SQL
• Cloud: Azure

Responsibilities

Position Purpose: We are expanding our backend engineering team to help transform and scale the internal infrastructure that powers our global financial operations. The team is focused on developing modern, scalable microservice-based systems that support critical middle-office and trading workflows such as account management, permissions, and trading execution.

We are looking for a Junior Software Engineer who is eager to grow in a fast-paced fintech environment. This role will involve the development and enhancement of distributed backend services built with .NET Core/C#, hosted on Kubernetes in Microsoft Azure. You’ll work closely with experienced engineers, DevOps, QA, and product teams to deliver secure, robust, and performant backend solutions.

Primary duties will include:

• Develop and maintain backend services using modern .NET technologies.
• Build and extend RESTful APIs and messaging systems to support internal platform functionality.
• Contribute to service orchestration, data integration, and business logic implementation.
• Collaborate in an Agile development environment, participating in sprints and standups.
• Write and maintain unit and integration tests using best practices (TDD/BDD encouraged).
• Support the continuous improvement of CI/CD pipelines and deployment practices.
• Learn to troubleshoot and debug backend systems with support from senior engineers.
• Document services, APIs, and technical decisions to ensure maintainability.
• Take ownership of development tasks and proactively seek feedback and mentorship.

Qualifications

To land this role you will need:

• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline.
• Understanding of C# and the .NET ecosystem (classes, interfaces, async programming, etc.).
• Exposure to RESTful API design and microservices architecture.
• Familiarity with SQL or relational database systems.
• Eagerness to learn containerization (Docker) and orchestration tools like Kubernetes.
• Passion for backend systems development and solving real-world technical problems.
• Interest in working with Azure cloud services.
• Knowledge of software development practices, version control (GIT), and debugging techniques.
• Fluent English communication skills, both written and verbal.

What makes you stand out:

• Familiarity with automated testing frameworks like xUnit or NUnit.
• Understanding of messaging systems (e.g., Kafka, RabbitMQ, Azure Service Bus).
• Knowledge of event-driven architecture, CQRS, or domain-driven design (DDD).
• Basic understanding of security principles for APIs and microservices.

Education/Certification:

• Bachelor’s degree in Procurement, Supply Chain Management, or a related field.

Working environment:

• Hybrid 
• Mentorship from experienced backend engineers and solution architects.
• Real-world experience in enterprise software engineering and cloud-native development.
• Opportunity to work with modern tools and infrastructure (Kubernetes, Azure, .NET).
• Exposure to financial domain processes and mission-critical systems.
• A collaborative, inclusive culture with clear paths for technical and professional growth.,

#LI-Hybrid #LI-DK1