Senior Software Engineer .NET

Up to £115k + Benefits | London | Hybrid

Omnis Partners are partnering with a high growth technology organisation that is redefining how merchants leverage data, analytics, and AI to understand performance and accelerate revenue growth.

We’re looking for a Senior Software Engineer (.NET) to join the central Data & AI team. You’ll build scalable backend services, APIs, and data pipelines that transform millions of transactions into actionable insights for merchants. This is a greenfield opportunity to shape systems that scale, drive AI enabled analytics, and make a real impact on the business.

What You’ll Do

• Build and maintain .NET backend services and APIs.
• Develop and optimise SQL/NoSQL data models for high-volume data.
• Implement reliable data pipelines and event-driven systems.
• Collaborate with product, data, and engineering teams to deliver actionable insights.
• Contribute to scalable, secure, and maintainable architecture.

What You’ll Bring

• Strong experience in .NET backend development.
• Knowledge of data modelling, performance tuning, SQL/NoSQL.
• Experience with data pipelines, streaming, or batch processing.
• Familiarity with CI/CD, automated testing, and version control.
• Passion for data, analytics, and AI-driven problem solving.

Nice to Have: Cloud (AWS, GCP, Azure), Kafka/gRPC, React, Infrastructure as Code, ML/data processing experience.

Why Join?

• Work on greenfield data and AI initiatives.
• Build scalable systems for millions of transactions.
• Influence product and architecture decisions.
• Join a rapidly growing company with ambitious plans.