Backend Integration Engineer – C#, .NET & Azure

Global Sports Jobs Limited; Greater London; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Virgin Active membership

Private healthcare

Pension plan

Annual leave 25 days

Job summary

Virgin Active is seeking an Integration Engineer to design, build and support backend services and APIs powering its digital ecosystem using C#, .NET and Microsoft Azure. You will collaborate with Engineering Leads, Product Managers, Designers, QA and frontend engineers to deliver reliable, secure, and scalable solutions across internal and third-party systems.

The role is hands-on with opportunities for mid and senior levels; appointment level will reflect experience and capability.

Qualifications

• Experience building backend services, APIs and integrations using C and .NET.
• Hands-on experience with Microsoft Azure and its integration services.
• A good understanding of RESTful APIs, event-driven architecture and asynchronous messaging.
• Experience integrating internal platforms with third-party systems.
• Knowledge of automated testing, CI/CD and modern software delivery practices.
• Strong problem-solving skills with distributed systems and integration failures.
• A collaborative approach and clear communication with technical and non-technical colleagues.

Responsibilities

• Design, build and maintain backend services, APIs and integration solutions using C#, .NET and Microsoft Azure.
• Connect mobile applications and digital products with internal platforms and third-party systems.
• Develop secure, scalable and maintainable solutions using API-led and event-driven integration patterns.
• Work with Product, QA and frontend engineers to deliver features from design through release.
• Write clean, testable code and contribute to code reviews and engineering standards.
• Troubleshoot integration failures, production issues and performance problems.
• Improve automated testing, CI/CD, monitoring and system observability.
• Contribute to sprint planning, technical discussions and delivery estimates.
• Identify opportunities to simplify solutions, reduce technical debt and improve reliability.
• Lead the technical delivery of complex integrations.
• Contribute to architectural decisions and engineering standards.
• Provide technical guidance and support to other engineers.
• Identify technical risks and help the team make pragmatic trade-offs.

Skills

C#

.NET

Azure

REST APIs

Event-driven

CI/CD

Testing

Tools

Azure Service Bus

Kafka

RabbitMQ

Logic Apps

Event Grid

Job description

Virgin Active is seeking an Integration Engineer to design, build and support backend services and APIs powering its digital ecosystem using C#, .NET and Microsoft Azure. You will collaborate with Engineering Leads, Product Managers, Designers, QA and frontend engineers to deliver reliable, secure, and scalable solutions across internal and third-party systems.

The role is hands-on with opportunities for mid and senior levels; appointment level will reflect experience and capability.