Software Developer - Enterprise Technology [Node JS / Typescript]

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.

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.

Role Summary

Join the Enterprise team working on Engine Room, one of Marex’s most strategic technology initiatives. As a Full Stack 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.

Responsibilities

• Design, develop and maintain high-quality NodeJS/Typescript 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.
• 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.

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, 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

• Experience building RESTful APIs and microservices in enterprise environments.
• Good working knowledge of React and modern front‑end development principles.
• 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.
• Experience with Infrastructure as Code, ideally Terraform.
• Strong understanding of software design principles (SOLID, clean architecture, domain‑driven design concepts).
• Experience working in Agile/Scrum delivery environments.
• Working knowledge of Python or C#.
• 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

• 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.

Company Values

• Respect – Clients are at the heart of our business, with superior execution and superb client service the foundation of the firm.
• Integrity – Doing business the right way is the only way.
• Collaborative – We work in teams – open and direct communication and the willingness to work hard and collaboratively are the basis for effective teamwork.
• Developing our People – Our people are the basis of our competitive advantage.
• Adaptable and Nimble – Our size and flexibility is an advantage.

Marex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all.