Integration Tech Lead: .NET/C# on Azure for Scalable APIs

ARCA; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

ARCA Consulting is partnering with a leading UK ecommerce business to hire an Integration Technical Lead. The role focuses on owning the integration services roadmap, hands-on C#/.NET and Azure leadership, and delivering robust API-driven, event-driven solutions.

You’ll lead across Engineering, Product and Architecture, shaping technical direction, driving quality, and mentoring a team to deliver scalable, resilient cloud-native integrations.

Qualifications

• Strong hands-on experience with C#/.NET (Core/6+), building integration services and APIs.
• Proven experience with Microsoft Azure.
• Experience designing and delivering integration solutions and distributed syste ms, including REST APIs, microservices and event-driven architectures.

Responsibilities

• Owning and shaping the technical roadmap for integration services, aligned with Engineering and Architecture strategy.
• Providing hands-on technical leadership across C#/.NET and Microsoft Azure.
• Designing and delivering robust integration solutions, including APIs, messaging, event-driven architectures and distributed systems.
• Making pragmatic architectural and technical decisions within established guardrails.
• Collaborating with Engineering Manager and Integration Architect on delivery and prioritisation.
• Mentoring engineers and supporting their technical development in integration concepts and best practices.

Skills

C#/.NET

Azure

APIs

Distributed systems

DevOps

CI/CD

Mentoring

REST

Tools

ARM/Bicep

Terraform

Job description

ARCA Consulting is partnering with a leading UK ecommerce business to hire an Integration Technical Lead. The role focuses on owning the integration services roadmap, hands-on C#/.NET and Azure leadership, and delivering robust API-driven, event-driven solutions.

You’ll lead across Engineering, Product and Architecture, shaping technical direction, driving quality, and mentoring a team to deliver scalable, resilient cloud-native integrations.