Software Developer

We are seeking a senior Software Engineer to provide technical leadership, architectural authority, and hands-on delivery across our Equity Market Making Trading platform. This is a high-impact, regulated environment with distributed systems and DevOps practices. The role is designed for a senior engineer with leadership skills.

Responsibilities

• 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.
• 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, including agentic AI, to accelerate development, enforce quality, and optimize software delivery.
• Act as the 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.
• Maintain platform reliability, scalability, and operational stability.
• Own root cause analysis and remediation planning for incidents.
• Drive/engage in best practise 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.
• 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.
• 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 and Experience

Competencies:

• Technical authority and credibility with senior engineers.
• Strong communication and stakeholder influence.
• Calm, 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 experience, market data and Trading UIs, is beneficial.
• Cloud-native and DevOps expertise.
• Exposure to regulated environments preferred.
• Leadership potential with ability to assume Head of Software Architecture responsibilities.

Desirable:

• Influence 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.