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 offers comprehensive coverage across four core services: clearing, agency and execution, market making, and hedging and investment solutions. With access to 60 exchanges and more than 40 offices worldwide, Marex serves some of the largest commodity producers, consumers, traders, banks, hedge funds and asset managers.
Position Reference: VN2715
Department Description
The Technology Department delivers differentiation, scalability and security for the business. Software development and support teams work in agile streams aligned to specific business areas, while other teams provide global service desk, network and system infrastructure, IT operations, security, enterprise architecture and design.
Role Summary
As a Software Developer within the Risk stream, you will work daily on the Risk Engines team to build, integrate and support systems that automate and improve complex calculations across Market Risk, Clearing Risk, Counterparty Risk and Operational Risk. You will collaborate with Risk application support, platform engineering, IT security and other stakeholders to deliver high‑quality solutions in a fast‑growing, data‑intensive environment.
Responsibilities
- Assist in the creation and enhancement of Marex’s key Risk Engines, such as the Potential Future Exposure (PFE) Engine, Market Risk Limits Engine and CVaR (Client Value at Risk).
- Integrate key applications, processes and data inherited through acquisitions.
- Evaluate and use Agentic AI for code generation, understanding its output and challenging it as necessary.
- Standardise input and output data across Marex’s key Risk vendor platforms.
- Develop and maintain procedures, workflows and documentation for Risk Engines.
- Stay current with industry and technology developments relevant to best practices in financial services, including Agentic AI.
- Identify and propose process improvement opportunities.
- Work with stakeholders to maintain effective backlog management.
- Liaise with the QA team to establish and maintain testing strategies.
- Apply strong domain knowledge to translate business needs into high‑quality outputs.
Competencies
- Collaborative team player, approachable, self‑efficient and someone who influences a positive work environment.
- Curious and open to learning.
- Resilient in a challenging, fast‑paced environment.
- Strategic collaborator with insight and agility, capable of anticipating and communicating future challenges to ensure operational effectiveness.
Essential Skills and Experience
- Full‑stack Python development with expertise in numerical processing using Pandas, NumPy, Polars, PySpark, coroutines, async tasks and Unix.
- Experience building scalable applications for intensive risk‑based processing.
- Packaging software for distribution (e.g., Docker, Poetry, python‑wheels, PyInstaller, Databricks bundles).
- Experience with Databricks and data persistence in relational or non‑relational databases.
- Familiarity with cloud data technologies, especially AWS (ECS, Lambda, S3, EventBridge).
- Proficient with logging patterns, particularly Splunk.
- Experience using TDD and/or automation testing; familiarity with BDD frameworks is a bonus.
- Knowledge of agile methodologies (Sprints/Agile) and project management tools such as Jira Software.
Desirable Skills
- Experience with C#, TypeScript and React.
- Background in a regulated environment with knowledge of risk and compliance requirements.
Conduct Rules
- 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 standards of market conduct.
- Act to deliver good outcomes for retail customers.
Company Values
- Respect: Clients are at the heart of our business. We treat them fairly and provide superior execution and client service.
- Integrity: We hold ourselves to a high ethical standard in everything we do.
- Collaborative: Open communication and a willingness to work hard together form the basis of effective teamwork.
- Developing our People: We grow our own and create an environment where talented people build their careers.
- Adaptable and Nimble: Our size and flexibility allow us to respond quickly to changing needs.
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 and welcome applications from candidates returning to the workforce. We are also committed to avoiding circumstances in which the appearance or possibility of conflicts of interest may exist within the hiring process. If you would like to receive any information in a different way or would like us to do anything differently to help you, please let us know during your application.
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