Software Developer | Capital Markets

About Marex

Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core services: clearing, agency and execution, market making, and hedging and investment solutions. It has a leading franchise in many major metals, energy and agricultural products, with access to 60 exchanges. The group provides access to the world’s major commodity markets, covering a broad range of clients that include some of the largest commodity producers, consumers and traders, banks, hedge funds and asset managers. With more than 40 offices worldwide, the group has over 3000 employees across Europe, Asia and the Americas.

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Job Reference: VN2961

Overview of Marex / Department description

Marex has unique access across markets with significant share globally both on and off exchange. The depth of knowledge amongst its teams and divisions provides its customers with clear advantage, and its technology-led service provides access to all major exchanges, order-flow management via screen, voice and DMA, plus award-winning data, insights and analytics.

The Technology Department delivers differentiation, scalability and security for the business. Technology provides digital tools, software services and infrastructure globally to all business groups. Software development and support teams work in agile ‘streams’ aligned to specific business areas. Our other teams work enterprise-wide to provide critical services including our global service desk, network and system infrastructure, IT operations, security, enterprise architecture and design.

The Software Development function creates and maintains applications, frameworks and other software components to deliver to business requirements. Developers conceive, specify, design, engineer, document, test, and deliver bug fixes as needed to provide high quality software solutions. Each Development team is aligned to one of Marex’s business divisions and works with a corresponding Business Technology and Application Support team.

Role Summary
As an experienced full-stack software engineer specializing in both front-end and back-end development, expert in React or C# .NET with React and/or WPF, you will take a hands-on and leading role in the ongoing development of the Marex Equity Market Making and Trading platform. As part of the platform modernisation programme, you will contribute to the creation and enhancement of on prem and cloud hosted, secure, responsive desktop and web applications tailored for front-to-back Market Making and Trading technology.

Your coding expertise and your strong emphasis on quality will be instrumental in delivering robust and reliable applications. In this role, you will use your architectural and devOps experience to help build new solutions in support of strategic business initiatives, andinitiatives and mature our existing software and efficiently migrate and re-platform legacy systems to the cloud, using cloud native design patterns. Working closely with the enterprise architecture stream and platform engineering team to ensure alignment to organisational technology patterns and standards, and seamless integration and deployment. You will support and advocate for the Marex Agentic AI augmented development strategy.

You will work in close collaboration with the Capital Markets – Equities development managers and business technology function to align with Marex’ agile ways of working; ensure the backlog is correctly prioritised, stories are aligned to our definition of ready, the team remains delivery focused, and impediments are closed out.

Responsibilities

Role specific:

• Design, code and test all components of modern web applications.
• Contribute to the overall architecture and design of the technology created/maintained by the development delivery team.
• Develop solutions to a high standard that is maintainable, testable and meets the requirement’s acceptance criteria.
• Adhere to development best practices and processes.
• Design and code across proprietary applications and services that constitute the Capital Markets – Equities Market Making and Trading technology platform
• Take accountability for the quality of deliverables, and assist the wider scrum team in taking accountability for theirs
• Work with platform engineering to automate build and deploy of existing and new systems
• Support the strategic goals of Capital Markets development; greenfield initiatives, replatforming and consolidating legacy systems, and adopting an automation-first approach to delivery and quality control

All staff:

• 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
Skills and Experience:
Essential:

• Engineering : C#, .Net, ASP.Net, React, JS/TS, HTML, CSS, SQL, WPF, Linux
• Tools / Technologies / Infra : NodeJS, cloud/AWS, RabbitMQ, AMQ, Mongo, Bitbucket (Git), SQL/Server, Jira
• Design : API, HTTP/REST, JSON, micro-services and distributed systems
• SDLC : Agile, Scrum, Kanban, DevOps, CI/CD, Automation First, BDD/TDD, DORA. Understanding of, and advocacy for, Agentic AI / Context Engineering

Desirable:

• Engineering : Java, Vue, Angular, .Net Core
• Tools / Technologies / Infra : Docker, Kubernetes, Kafka, Azure, GCP, NoSQL, DNS
• Design : Serverless, cloud-native/PaaS, event driven, pub/sub, real-time/websockets, architectural design records (ADRs)
• SDLC : Agentic AI / Context Engineering; CoPilot, Claude, Codex, building custom agents across full SDLC
• Experience working in a regulated environment and knowledge of the risk and compliance requirements associated with this.

Competencies:

• Excellent verbal and written communication skills
• 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

Conduct Rules, You must:

• Act with integrity
• Act with due skill, care and diligence
• Be open and cooperative with the FCA, the PRA and other regulators
• Pay due regard to the interests of customers and treat them fairly
• Observe proper standard of market conduct
• Act to deliver good outcomes for retail customers

Company Values

Acting as a role model for the values of the Company:

Be collaborative - by working together across the organisation, we foster teamwork, can better respond to challenges and successfully deliver for our clients

Act with integrity - we pride ourselves on our honesty and high ethical standards. We apply these values when working with all our clients, colleagues and other stakeholders

Be adaptable and entrepreneurial - we embrace change as markets evolve to constantly increase our efficiency and create innovative solutions for our clients. We are interested in the world around us and inquisitive about understanding the challenges and opportunities our clients face.

Be respectful – how we treat each other, and our clients says everything about who we are. We always act respectfully and treat people fairly in everything we do.

Nurture talent – we aim to grow our own talent and make Marex the place ambitious, hardworking and talented people choose to build their career. This means giving and taking stretch opportunities, taking risks, and committing to career development and support – for ourselves, and our teams.

Marex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all. We will provide reasonable adjustments to remove any disadvantage to you being considered for this role. We value the differences that a diverse workforce brings to the company. We welcome applications from candidates returning to the workforce. Also, Marex is committed to avoiding circumstances in which the appearance or possibility of conflicts of interest may exist within the hiring process.

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