Software Developer

Market Making at Marex is a critical and growing business, operating across multiple asset classes and geographies. The Market Making businesses have a high degree of complexity, operating with multiple workflows and booking systems, across different Marex entities and in different regions. The business uses several different technologies, some built in-house, others vendor driven.
In this role as a Market Making Software Developer, you will work closely with both business stakeholders and engineering teams to identify, design, and deliver products that strengthen our market making capabilities and improve operational efficiency across the business. Your role is critical to the future success of the Market Making business as we seek to drive technology-led growth.

Responsibilities

• Design, develop and maintain high-quality for internal and external facing applications.
• Build scalable, resilient and high-performance services that support multiple business streams across Marex.
• Collaborate closely with product owners, architects and other engineering teams to translate business requirements into robust technical solutions.
• Contribute to architectural design discussions and help shape platform standards, patterns and best practices.
• Ensure solutions are secure, observable and aligned with enterprise governance and regulatory requirements.
• Support the continuous improvement of CI/CD pipelines, automated testing and DevOps practices.
• Participate actively in team discussions, technical brainstorming sessions and knowledge sharing.
• Adapt quickly to changing priorities and evolving business demands in a fast-paced environment.
• Provide support and troubleshooting for production systems where required, ensuring high availability and reliability.
• Contribute to documentation and maintain clear technical artefacts to support long-term platform sustainability.
• Promote a collaborative, inclusive and high-performing team culture.
• Ensure compliance with the company s regulatory requirements under the FCA.
• Adhere to the operational risk framework for your role ensuring that all regulatory or company determined parameters are complied with.
• Role model for demonstrating highest level standards of integrity and conduct and reflecting Company Values.
• At all times comply with the FCA s Code of Conduct.
• Ensure that you are fully aware of and adhere to internal policies that relate to you, your role or any other activities for which you have any level of responsibility.
• Report any breaches of policy to Compliance and/or your supervisor as required.
• Escalate risk events immediately.
• Provide input to risk management processes, as required.

Competencies, Skills and Experience

Competencies:

• A collaborative team player, approachable, self-efficient and influences a positive work environment.
• Demonstrates curiosity.
• Resilient in a challenging, fast-paced environment.
• Ability to take a high level of responsibility in a fast pace and high-volume environment.
• Excels at building relationships, networking and influencing others.
• Strategic collaborator with insight and agility, able to anticipate future challenges, ensuring operational effectiveness.

Skills and Experience: Essential:

• Experience in at least one of JavaScript, Typescript, React, NodeJS, GraphQL, Docker.
• Experience of NoSQL or RDMS databases.
• Knowledge of modern CI/CD and DevOps practices.
• Experience working with AWS cloud services (e.g. ECS/EKS, Lambda, S3, RDS, API Gateway).
• Knowledge of BDD/TDD.
• Experience working in Agile / Scrum delivery environments.
• Methodical approach to software architecture and design and experience employing the right design choices for a given project.
• Strong verbal and written communication skills.

Desirable:

• Experience in C# .NET.
• Extended knowledge across multiple asset classes.
• Trade Lifecycle knowledge. Pre-trade, Trade, settlement/clearing, Risk. Full front to back.
• Experience with trading or pricing platforms.
• Microsoft Technologies, Cloud services, hosting and deployment.
• Experience implementing observability tooling (logging, monitoring, tracing).
• Experience working in a regulated environment and knowledge of the risk and compliance requirements associated with this.