Senior Software Engineer

We’re working with a global financial services group operating at scale across energy, commodities and financial markets. With offices across Europe, the US and APAC, the business provides critical market access, liquidity and technology-led infrastructure to institutional clients worldwide.

Technology sits at the core of the organisation’s growth strategy. The engineering function delivers secure, high-performance platforms used globally, with teams aligned closely to business domains and operating in modern agile streams.

They are now expanding their Capital Markets engineering squad and are looking for a Senior Software Engineer with strong C# .NET and AWS expertise to help build a next-generation, globally distributed payments platform.

• Designing and building greenfield, proprietary services that form part of a global payments platform
• Developing low-latency, high-throughput APIs and event-driven workflows
• Contributing to solution design
  , architecture decisions and automation-first Dev Ops practices
• Owning code quality through shift-left testing
  , close collaboration with QA/SDETs and peer reviews
• Working closely with platform engineering and enterprise architecture to ensure consistency, scalability and resilience
• Taking a technical leadership role within the squad — mentoring engineers, driving standards and continuous improvement
• Supporting the delivery of frequent, high-quality change with zero compromise on stability or security

• Strong back-end engineering experience with C#, .NET / .NET Core, SQL
• Cloud experience, ideally AWS
  , within Linux environments
• Experience building microservices
  , RESTful APIs, caching strategies and distributed systems
• Solid understanding of Dev Ops, CI/CD, automation-first delivery
  , and modern SDLC practices
• Comfortable working in Agile / Scrum / Kanban environments
• Containerisation and messaging:
  Docker, Kafka, No
  
  SQL
• Event-driven and pub/sub architectures, real-time systems, Web Sockets
• Experience working in regulated or highly controlled environments

• A strong communicator who collaborates well across disciplines
• Naturally curious and proactive in improving systems and processes
• Comfortable taking ownership in fast-paced, high-volume environments
• Enjoys mentoring others and raising the bar for engineering quality
• Resilient, pragmatic and delivery-focused

• Salary up to £130,000 basic
• Market leading bonus structure
• Hybrid working in Liverpool street
• Learning and development budgets
• Regular pay increases

If you’re a senior engineer looking to work on complex, business‑critical systems at global scale
, this is a strong next step.

Interested? Get in touch for a confidential conversation or click on the apply button below