Integration Engineer (C#) – £600-650 per day – London

Company: La Fosse Associates
Apply for the Integration Engineer (C#) – £600-650 per day – London
Location: Greater London
Job Description:

Integration Engineer (C#) – £600-650 per day – London

This is a 6‑month contract with a leading Insuretech company. The role is outside IR35 and requires travel to the City of London office twice a week.

The Integration Engineer will lead engineering teams, combining delivery management with technical leadership and stakeholder management.

Skills and Knowledge

Technical & Professional

  • Strong experience with .NET (C#) for building APIs, services, and integration components.
  • Proficiency with Azure Integration Services: Logic Apps, API Management, Service Bus (pub/sub), Event Grid (event‑driven).
  • Experience in microservices architecture and container orchestration with Docker and AKS.
  • Familiarity with CI/CD pipelines and Git version control in Azure DevOps.
  • Strong understanding of integration patterns (pub/sub, event‑driven, API‑led connectivity, request/response, batch).
  • Knowledge of relational (SQL Server) and non‑relational databases.
  • Proficiency in messaging and serialization formats (JSON, XML, Avro).
  • Awareness of security standards and practices (OAuth2, JWT, TLS, API security).

Personal

  • Strong analytical and problem‑solving skills, especially in complex integration scenarios.
  • Excellent communication skills to bridge business and technical stakeholders.
  • Collaborative and team‑oriented, with a focus on knowledge sharing and mentoring.
  • Flexible and adaptive to changing business needs and technologies.
  • Attention to detail, with a commitment to secure, reliable, and performant solutions.
  • Proactive in exploring new patterns and approaches to drive integration innovation.

If you’re available in the next few weeks then please apply here.

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Posted: April 17th, 2026