Senior API Engineer – Hybrid (Azure/.NET)

Tata Consultancy Services; City of Edinburgh; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Tata Consultancy Services in Edinburgh is seeking a Senior API Engineer to design, build and support enterprise-grade REST APIs using Azure and .NET. This hybrid role focuses on secure, scalable integrations across complex digital environments.

You will implement API security with OAuth2/OpenID Connect/JWT, manage Azure API Management policies, and drive modern delivery with CI/CD and Terraform. Collaboration with architects and engineers is essential to deliver robust outcomes.

Qualifications

• Extensive hands-on experience building REST APIs on Azure.
• Strong C# and .NET expertise with enterprise-grade solutions.
• Experience with API security: OAuth2, OpenID Connect and JWT.
• Familiarity with CI/CD and Terraform for IaC.
• Able to translate business requirements into robust technical outcomes.

Responsibilities

• Design, build and support enterprise-grade REST APIs and reusable integration services.
• Own API solutions from requirements and design through implementation and production support.
• Configure Azure API Management policies for security, routing and lifecycle management.
• Develop services using C#/.NET, Entity Framework and Azure Functions.
• Implement secure API access using OAuth2, OpenID Connect and JWT.
• Build and improve CI/CD pipelines, Git workflows and Infrastructure as Code (Terraform).
• Collaborate with architects, engineers and stakeholders to deliver robust outcomes.
• Monitor, troubleshoot and enhance production services' resilience.

Skills

C# & .NET

REST API design

Azure API Management

OAuth2 / OpenID Connect / JWT

CI/CD pipelines

Entity Framework

GPRC (gRPC)

SQL / T-SQL

Tools

Azure

Azure Functions

Terraform

Entity Framework

SQL/T-SQL

gRPC

Job description

Tata Consultancy Services in Edinburgh is seeking a Senior API Engineer to design, build and support enterprise-grade REST APIs using Azure and .NET. This hybrid role focuses on secure, scalable integrations across complex digital environments.

You will implement API security with OAuth2/OpenID Connect/JWT, manage Azure API Management policies, and drive modern delivery with CI/CD and Terraform. Collaboration with architects and engineers is essential to deliver robust outcomes.