Senior API Engineer - .NET 8, AKS & Kong (Banking)

SG Consulting Limited; Auckland; On-site; NZD 120,000 - 170,000; Full time

Job summary

SG Consulting Limited in Auckland, New Zealand, seeks a Senior API Software Engineer to design, develop and support enterprise-scale APIs, microservices and domain services in a banking environment. You will work hands-on with .NET 8, C#, REST, cloud-native deployments and API gateway integrations.

The ideal candidate has 7-10 years of software development experience, with at least 4 years in API engineering and banking domain exposure. Strong collaboration with DevOps and SRE teams is essential.

Qualifications

• 7-10 years of software development experience
• Minimum 4 years of hands-on API engineering experience
• Banking or financial services domain experience is mandatory
• Experience developing and supporting enterprise-scale applications
• Excellent communication and stakeholder collaboration skills
• Must hold valid New Zealand working rights

Responsibilities

• Design, develop and maintain enterprise-grade APIs using .NET 8, C# and ASP.NET Core.
• Build reusable microservices and domain-driven services.
• Define and maintain API contracts and Swagger/OpenAPI specifications.
• Implement API security controls and gateway integrations.
• Integrate APIs with Kong Gateway.
• Deploy and support microservices running on Azure Kubernetes Service (AKS).
• Optimise API performance, scalability, reliability and availability.
• Participate in architecture discussions, design reviews and peer code reviews.
• Support production incidents, troubleshooting and root cause analysis.
• Collaborate with DevOps and SRE teams on CI/CD pipelines and deployments.
• Mentor junior developers and promote engineering best practices.

Skills

NET 8

C#

ASP.NET Core

REST API

Microservices

API design

Unit testing

SQL/NoSQL

Security

Tools

AKS

Kong Gateway

Swagger/OpenAPI

GitHub Enterprise

Job description

SG Consulting Limited in Auckland, New Zealand, seeks a Senior API Software Engineer to design, develop and support enterprise-scale APIs, microservices and domain services in a banking environment. You will work hands-on with .NET 8, C#, REST, cloud-native deployments and API gateway integrations.

The ideal candidate has 7-10 years of software development experience, with at least 4 years in API engineering and banking domain exposure. Strong collaboration with DevOps and SRE teams is essential.