Software Developer - Enterprise Technology, Python
London, GB Full-Time Information Technology
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 3,000 employees across Europe, Asia and the Americas.
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 Enterprise Technology team sits at the centre of Marex’s technology landscape, delivering a cross‑business platform that enables our trading and business streams to innovate and go to market at pace. We provide shared capabilities including API gateways, centralised APIs, real‑time data streaming, connectivity solutions and emerging AI‑driven services. By building scalable, resilient and reusable platform components, the team reduces duplication, accelerates product delivery and ensures consistent standards across the organisation. Engine Room is a core part of this strategy, forming the foundation upon which next‑generation digital services are built.
Marex recognises the need to provide digital services to give clients the best possible experience. As such, the technology team at Marex is playing an increasingly important role in the evolution of the firm and enabling business growth and new products and services.
Role Summary
Join the Enterprise team working on Engine Room, one of Marex’s most strategic technology initiatives. As a Full Stack Python Developer, you’ll help build and evolve a modern, enterprise‑grade platform at the core of the business. We’re growing quickly and need energetic, flexible thinkers who can respond to changing demands, work collaboratively, and bring ideas to the table. If you enjoy solving complex problems in a fast‑moving environment and want to help shape technology that truly matters, this is the role for you.
Responsibilities
Role specific
* Design, develop and maintain high‑quality Python based solutions within the Engine Room platform.
* Contribute to the development of shared enterprise capabilities including API gateways, centralised APIs, real‑time data streaming, connectivity frameworks and AI‑enabled services.
* Participate in shaping Marex’s shift to becoming AI‑native, by building agentic tools into the developer stack, liaising with researchers and the front office, and contributing to the AI ecosystem of the Enterprise team.
* Build a centralised development environment for use by front office developers.
* 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.
Competencies, Skills, Experience & Qualifications
* A collaborative team player, approachable, self‑efficient and influences a positive work environment.
* 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
* Strong experience in Python development, building production‑grade backend services and APIs (e.g. FastAPI, Flask, Django).
* Good working knowledge of at least one Python‑based front end framework.
* Experience working with AWS cloud services (e.g. ECS/EKS, Lambda, S3, RDS, API Gateway).
* Experience with event‑driven architectures, ideally using Kafka.
* Understanding of CI/CD pipelines, automated testing and DevOps practices.
* Strong understanding of software design principles (SOLID, clean architecture, domain‑driven design concepts).
* Experience working in Agile/Scrum delivery environments.
* Experience working across multiple teams or organisations, solving business problems with technology.
* Working knowledge of NodeJS or C#.
* Experience in with Beacon, Athena / SecDB or similar.
* Experience with Infrastructure as Code, ideally Terraform.
* Experience building or contributing to enterprise platform or shared services environments.
* Exposure to API gateway technologies and distributed systems design.
* Experience implementing observability tooling (logging, monitoring, tracing).
* Financial services or capital markets experience (advantageous but not essential).
* Experience using CDM as a data model (advantageous but not essential).
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.
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.
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