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.NET Software Engineer

Investigo — United Kingdom · Posted ~1 hour ago

Contract Onsite

Skills

C# .NET Core .NET 6+ API development microservices backend development distributed systems cloud-native architecture software security APIs cloud

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Summary ✨ AI‑Generated

Join a long-term freelance engineering engagement developing modern digital platforms in a highly technical utilities environment. Build robust .NET applications, microservices, APIs and backend services, contribute to cloud modernization and legacy migration, and ensure secure, highly available systems that process real-time or near-real-time data.

Highlights

Long-term freelance engagement on modern digital platforms, with opportunities to work on cloud modernization, distributed systems, real-time data, APIs, and cross-functional engineering initiatives.

Description

.NET DEVELOPER – LONDON – 12 MONTHS+ My client is looking for an experienced Freelance .NET Developer to support the delivery of modern digital platforms within the energy and utilities sector. Responsibilities: Design, develop, and maintain robust applications and microservices using .NET (C#, .NET Core/.NET 6+)Build and enhance APIs and backend services supporting energy platforms (e.g., billing, metering, grid systems)Contribute to modernisation initiatives, including migration from legacy systems to cloud-native architecturesEnsure high availability and performance of systems handling real-time or near real-time dataImplement secure and maintainable code, adhering to industry best practicesCollaborate with cross-functional teams including product, DevOps, and data engineersSupport integration with third-party systems, IoT platforms, and external data providers Experience: Strong commercial experience with C# and .NET Core / .NET 6+Proven track record building APIs and distributed systemsExperience with microservices and/or service-oriented architecturesBackground in energy, utilities, or related industries (e.g., smart metering, renewables, grid systems)Familiarity with cloud platforms (Azure preferred, AWS/GCP also considered)Experience with containerisation (Docker) and orchestration (Kubernetes is a plus)Strong understanding of data handling and integration patternsExperience with SQL and/or NoSQL databases (e.g., SQL Server, Cosmos DB)Knowledge of CI/CD pipelines (Azure DevOps, GitHub Actions, etc.) Start date: ASAP Duration: 12 months+ Location: LONDON If you’d like to be considered for this role please send your CV to Jacob.wylie@weareinvestigo.com . Please pass this advert along to anyone else who might be interested.