Senior .NET Lead – Global Payments Platform (Azure, Event-Driven)

VirtueTech Recruitment Group; Greater London; Hybrid; GBP 77,000 - 129,000; Full time

Job summary

VirtueTech Recruitment Group in London is seeking a Senior .NET Developer to join a payments‑focused fintech on a hybrid basis. You will design and build high‑performance .NET services, drive API‑driven payments integrations, and mentor engineers while remaining hands‑on with code.

The role covers Azure‑based event‑driven microservices, Kafka and CosmosDB workloads, and contributing to scalable, secure platforms in a regulated environment.

Qualifications

• Extensive experience building production systems with .NET/C#.
• Hands-on with cloud-native Azure deployments and services.
• Proven track record in event-driven architectures (Kafka, messaging).
• Experience designing scalable APIs for high-throughput payments.

Responsibilities

• Lead the design and development of high-performance .NET services.
• Build and scale event-driven microservices on Azure.
• Drive architecture, coding standards, observability and reliability.
• Collaborate with product teams on API-driven payments and integrations.
• Mentor engineers and contribute hands-on to critical systems.
• Evolve scalable, distributed platform architecture for high volumes.
• Improve engineering velocity and platform resilience.

Skills

.NET

C#

Azure

Event-driven

Kafka

CosmosDB

API design

Distributed systems

Payments platforms

Job description

VirtueTech Recruitment Group in London is seeking a Senior .NET Developer to join a payments‑focused fintech on a hybrid basis. You will design and build high‑performance .NET services, drive API‑driven payments integrations, and mentor engineers while remaining hands‑on with code.

The role covers Azure‑based event‑driven microservices, Kafka and CosmosDB workloads, and contributing to scalable, secure platforms in a regulated environment.