Software Developer - Onboarding

Diversified. Resilient. Dynamic.

Marex is a global financial services platform, providing essential liquidity, market access and infrastructure services to clients in the energy, commodities and financial markets.

The Group provides comprehensive breadth and depth of coverage across four core services: Market Making, Clearing, Hedging and Investment Solutions and Agency and Execution. It has a major franchise in many major metals, energy and agricultural products, executing around 50 million trades and clearing 205 million contracts in 2022. 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 35 offices around the globe, and over 2,300 dedicated people enabling access to exchanges and technology-powered services.

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Purpose of Role:

Marex is seeking a Software Developer, where you will help the development team build modern, responsive web applications. Specially, focusing on onboarding applications.
Marex has experienced significant growth in both size and scale. As we continue to onboard new clients and expand products for existing ones, the volume, complexity, and regulatory demands of onboarding have increased substantially.
Client onboarding at Marex is a collaborative effort across Sales, Technology, and dedicated global Onboarding teams. To support continued growth and deliver a seamless client experience, we are adopting a technology-first approach, focused on:

• Automating manual and operationally heavy workflows.
• Reducing onboarding timelines.
• Building scalable onboarding platforms.
• Improving data quality, controls, and regulatory outcomes.

The developer will work closely with business stakeholders, onboarding SMEs, QA, and wider technology teams to deliver a scalable, efficient, and client-centric onboarding experience.

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. Reporting to the CEO, 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.

Responsibilities:

• 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.
• Communicate with team members, introduce ideas and keep abreast of the latest technologies.
• Liaise with business users to gather application requirements.
• Ensure delivered systems are of production quality. Ensure software is adequately documented for handover to the business.
• Follow coding standards and defined development process
• Resolve third line support issues in a professional and timely manner
• Ensuring compliance with the company's regulatory requirements under the SEC, FINRA, NFA, CFTC and other applicable exchanges.
• 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 complying with Marex's Code of Conduct
  • To 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
  • To report any breaches of policy to Compliance and/ or your supervisor as required
  • To escalate risk events immediately
  • To provide input to risk management processes, as required.

The Company may require you to carry out other duties from time to time.

Competencies, Skills and Experience :

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.

Skills and Experience

Essential:

• At least seven (7+) years experience with C# and .NET. is required
• Experience with Docker / Knowledge of containers.
• Experience of NoSQL or RDMS databases.
• Experience with Infrastructure as Code (IaC), Terraform or equivalent.
• Experience in modern CI/CD and DevOps practices.
• Experience Cloud technology, strong preferring AWS (Amazon Web Services).
• Knowledge of BDD/TDD.
• Knowledge and experience with Agile and scrum development methodologies.
• Methodical approach to software architecture and design and experience employing the right design choices for a given project.
• Excellent verbal and written communication skills.
• Experienced in onboarding technology, ideally those who have worked on or built systems supporting:
  • KYC / AML / KYB
  • Client data capture, enrichment, and validation
  • Third-party integrations (e.g. screening, reference data, document management)
  • Regulatory-driven onboarding processes
  • Scalable, API-driven onboarding platforms

Desirable:

• Experience working in a regulated environment and knowledge of the risk and compliance requirements associated with this.
• Experience with modern frontend frameworks, ideally React, though Angular, Vue, or similar frameworks.
• Exposure to JavaScript and/or TypeScript in a frontend or full-stack context.
• Experience with Node.js and/or GraphQL.

Salary Range: $175,000 to $210,000 per year and eligible for discretionary bonus.

Marex Benefits for 2026

Company Values

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

Respect - Clients are at the heart of our business, with superior execution and superb client service the foundation of the firm. We respect our clients and always treat them fairly.

Integrity
- Doing business the right way is the only way. We hold ourselves to a high ethical standard in everything we do - our clients expect this and we demand it of ourselves.

Collaborative
- We work in teams - open and direct communication and the willingness to work hard and collaboratively are the basis for effective teamwork. Working well with others is necessary for us to succeed at what we do.

Developing our People
- Our people are the basis of our competitive advantage. We look to "grow our own" and make Marex the place ambitious, hardworking, talented people choose to build their careers.

Adaptable and Nimble
- Our size and flexibility is an advantage. We are big enough to support our client's various needs, and adaptable and nimble enough to respond quickly to changing conditions or requirements. A non-bureaucratic, but well controlled environment fosters initiative as well as employee satisfaction.

Marex is fully committed to the elimination of unlawful or unfair discrimination and values the differences that a diverse workforce brings to the company.

We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by the law.

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