Software Developer - Equity Market Making Trading Platform

Marex Group plc (NASDAQ: MRX) is a global financial services platform.

Job Reference: VN2582

Overview / Department Description

We are seeking a senior Software Engineer to provide technical leadership, architectural authority, and hands‑on delivery across our Equity Market Making Trading platform.

Languages & Frameworks

• C#, .NET (Framework & Core)
• ASP.NET Core
• RESTful APIs
• Microservices
• Messaging (AMQ, Kafka, RabbitMQ)
• SQL Server
• JavaScript (desirable)
• WPF (desirable)

Operating Systems, Cloud & DevOps

• Windows and Linux experience
• AWS services: Lambda, ECS, RDS, SQS, S3, API Gateway, VPC, Terraform/CloudFormation
• CI/CD tools: TeamCity, Octopus
• Git workflows, Containers

AI & Developer Productivity

Experience using AI‑assisted coding tools, including agentic AI platforms, for code generation, review, automation, and optimization.

Regulatory Experience

Highly desirable experience in financial services or other regulated environments.

Responsibilities

• Role specific:
  • Own and evolve platform architecture across on‑premise and AWS cloud environments.
  • Lead modernization initiatives: microservices, distributed systems, cloud‑native practices.
  • Ensure scalability, resilience, performance, and security‑by‑design.
  • Guide technical governance and engineering standards.
• Software Engineering Excellence:
  • Deliver high‑quality, maintainable, and secure systems.
  • Implement modern DevOps practices: CI/CD, automation, IaC.
  • Promote coding standards, testing, code review discipline, and quality metrics.
  • Lead technical delivery of complex initiatives, contributing hands‑on where strategic.
  • Leverage AI‑assisted coding tools to accelerate development, enforce quality, and optimize delivery.
• Technical Leadership & Mentorship:
  • Act as senior technical authority within engineering.
  • Mentor senior and mid‑level engineers, raising technical capability.
  • Lead complex problem‑solving and critical incident resolution.
  • Support hiring, technical evaluation, and team development.
• Operational & Delivery Accountability:
  • Maintain platform reliability, scalability, and operational stability.
  • Own root cause analysis and remediation planning for incidents.
  • Drive best‑practice project governance, e.g., Agile, to deliver results and manage expectations.
  • Embed observability, monitoring, and performance metrics.
  • Collaborate with operations, compliance, and product teams to deliver business change safely.
• Strategic & Commercial Contribution:
  • Contribute to the technology roadmap and long‑term engineering strategy.
  • Participate in governance forums, board reporting, and vendor selection.
  • Communicate technical direction to senior stakeholders effectively.
• All staff:
  • Ensure compliance with FCA regulatory requirements.
  • Adhere to operational risk framework and other company parameters.
  • Role‑model highest standards of integrity and conduct aligned with company values.
  • Always comply with FCA Code of Conduct.
  • Adhere to all relevant internal policies.
  • Report any breaches to Compliance or supervisor as required.
  • Escalate risk events immediately.
  • Provide input to risk management processes as required.

Competencies, Skills And Experience

• Competencies:
  • Technical authority and credibility with senior engineers.
  • Strong communication and stakeholder influence.
  • Calm and structured under pressure.
  • Commercially aware and strategic thinking.
  • Motivated to grow into a more senior Software Engineering role.
• Skills and Experience – Essential:
  • 10+ years in software engineering.
  • Proven track record designing and delivering scalable, distributed systems.
  • Architectural ownership of complex platforms.
  • Mentoring and leading engineering teams.
  • Experienced in AI‑assisted development workflows.
  • Experience of Capital Markets, especially Equity trading, FIX, market data and Trading UIs – beneficial.
  • Cloud‑native and DevOps expertise.
  • Exposure to regulated environments preferred.
  • Leadership potential with ability to assume Head of Software Architecture responsibilities.
• Skills and Experience – Desirable:
  • Impact on enterprise‑scale regulated platforms.
  • Hands‑on and strategic leadership.
  • Exposure to roadmap planning, governance forums, and operational oversight.
  • Modern AI‑assisted software engineering across the tech estate.

Conduct Rules

• Act with integrity.
• Act with due skill, care and diligence.
• Be open and cooperative with FCA, 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.
• Applications outside of this range will also be considered.

Company Values

• Respect – Clients are at the heart of our business; we treat them fairly with superior execution and service.
• Integrity – Doing business the right way is the only way. We hold ourselves to a high ethical standard in everything we do.
• Collaborative – Open and direct communication and willingness to work hard together is essential.
• Developing our People – Grow our own; make Marex the place ambitious, hardworking, talented people choose to build their careers.
• Adaptable and Nimble – Able to support clients’ needs and respond quickly to changing conditions within a well‑controlled environment.
• Diversity & Inclusion – Marex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all, and to removing any disadvantage in hiring.

#J-18808-Ljbffr