Senior Software Engineer | Payments | C# .NET | AWS | Trading Environment | Greenfield Projects[...]

VirtueTech Recruitment Group; England; Hybrid; GBP 108,000 - 132,000; Full time

Job summary

A leading trading firm in London is seeking a Mid‑Level Software Engineer to join their team focused on a new greenfield payments platform. This role involves designing and building microservices for payment services, driving architectural decisions, and ensuring performance in a critical trading environment. Ideal candidates will have strong experience with C# .NET and low-latency systems, as well as a background in the payments domain. This position offers the opportunity to work on high-impact projects in a hybrid setup.

Qualifications

• 4–5+ years of experience in a Software Engineer role within C# .NET environment.
• Proven experience within payments domain: card payments, settlements, routing.
• Strong understanding of system design and architecture.

Responsibilities

• Design and build new microservices for payment services.
• Drive architectural decisions and take ownership of components.
• Work in a performance-critical trading environment.

Skills

C# .NET

Low-latency systems

Distributed systems

System design

Event-driven architecture

Excellent communication skills

Problem-solving skills

Microservices

Job description

Senior Software Engineer | Payments | C# .NET | AWS | Low-latency Systems | Trading Environment | Greenfield Projects | £120,000 | London (Hybrid)

I’m currently hiring for a leading trading firm that is building out a brand-new, fully greenfield payments platform. This is a rare opportunity to join a high‑performance engineering team at the early stages of a major build, working on low‑latency, high-throughput payment services that sit at the core of the firm’s trading operations.

The business is investing heavily in modernising its payments architecture, with all new development built in C# .NET and deployed on AWS. The focus is on speed, scalability, and resilience—designing systems capable of handling high transaction volumes with minimal latency and maximum reliability. You’ll work closely with traders, quants, and senior engineers to help shape the next generation of the firm’s payments infrastructure.

As a Mid‑Level Software Engineer, you will design and build new microservices, drive architectural decisions, and take ownership of key components across the payments lifecycle, including authorisation, routing, reconciliation, and settlement—all within a performance‑critical trading environment.

What We’re Looking For:

• 4–5+ years of experience as a Software Engineer in a C# .NET environment
• Strong experience building low‑latency, high‑throughput distributed systems
• Proven experience within the payments domain — card payments, cross‑border, settlements, routing, merchant acquiring, etc.
• Exposure to trading, financial markets, or performance‑critical systems (preferred)
• Strong understanding of system design, event‑driven architecture & microservices
• Excellent communication and problem‑solving skills
• Ability to thrive in a greenfield environment with autonomy and ownership

If you want to work on high‑impact, low‑latency greenfield systems at the intersection of payments and trading, please apply via this advert or send your CV directly to [e-mail].

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Finance and Information Technology

Location

London (Hybrid)

Salary

£120,000