Senior .NET API Engineer – Microservices & Azure Cloud

Synechron; Auckland; On-site; NZD 120,000 - 180,000; Full time

Job summary

Synechron is seeking a Senior Software Engineer to design, develop, optimize and support enterprise-scale APIs and microservices. You will build API services using .NET 8 and C#, develop reusable microservices and domain services, and produce API contracts with Swagger/OpenAPI specifications.

You will implement security controls, drive performance and scalability, participate in design reviews, and mentor junior engineers while collaborating with DevOps and SRE teams during deployments.

Qualifications

• 7–10 years software development experience.
• 4+ years API engineering experience.
• Experience designing and building enterprise APIs and microservices.

Responsibilities

• Build API services using .NET 8 and C#.
• Develop reusable microservices and domain services.
• Produce API contracts and Swagger/OpenAPI specs.
• Implement security controls and gateway integrations.
• Optimize performance and scalability.
• Participate in design reviews and code reviews.
• Support production incidents and RCA.
• Collaborate with DevOps/SRE during deployments.
• Mentor junior engineers.

Skills

NET 8+

C#

ASP.NET Core

REST APIs

OpenAPI / Swagger

Azure AKS

GitHub Enterprise

Kong Gateway Integration

Unit & Integration Testing

SQL/NoSQL Databases

Job description

Synechron is seeking a Senior Software Engineer to design, develop, optimize and support enterprise-scale APIs and microservices. You will build API services using .NET 8 and C#, develop reusable microservices and domain services, and produce API contracts with Swagger/OpenAPI specifications.

You will implement security controls, drive performance and scalability, participate in design reviews, and mentor junior engineers while collaborating with DevOps and SRE teams during deployments.