C# .Net Developer

Synechron; Auckland; On-site; NZD 120,000 - 160,000; Full time

Job summary

Synechron is seeking a skilled C#/.NET Cloud Developer to design, develop, deploy and maintain scalable applications using Microsoft technologies and cloud platforms such as AWS or Azure. You will work on REST APIs, databases, and cloud services while applying modern software practices.

The role involves building secure, high-performance cloud-native apps, implementing CI/CD pipelines, and collaborating with product managers, QA, and DevOps in a fast-paced Agile environment.

Qualifications

• Bachelor's degree or equivalent in a technical field.
• Strong experience with C#/.NET Core/.NET 6+ and ASP.NET Core.
• Experience building REST APIs and web applications.
• Hands-on cloud experience with AWS or Azure.
• Familiarity with Git and CI/CD practices.
• Understanding of Agile/Scrum methodologies.

Responsibilities

• Design, develop, test, and maintain enterprise applications using C#, .NET Core/NET 6+, ASP.NET Core, and Web API.
• Build scalable, secure, and cloud-native applications.
• Develop and integrate RESTful APIs and microservices.
• Deploy and manage applications on AWS or Microsoft Azure.
• Collaborate with product managers, QA, DevOps and other teams.
• Implement CI/CD pipelines and ensure security, logging, and monitoring.

Skills

C#

REST APIs

.NET Core/.NET 6+

Agile/Scrum

Unit testing

Git

Education

Bachelor’s degree in Computer Science/IT/Engineering or related field

Tools

AWS

Azure

SQL Server

PostgreSQL

Git

CI/CD tooling (Azure DevOps, GitHub Actions)

Job description

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our Synechron Labs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile‑first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 14,000+, and has 55 offices in 20 countries within key global markets. For more information on the company, please visit our website:www.synechron.com.

We are seeking a skilled C#/.NET Cloud Developer to design, develop, deploy, and maintain scalable applications using Microsoft technologies and cloud platforms such as AWS or Microsoft Azure. The ideal candidate will have strong experience in C#, .NET Core/.NET 6+, REST APIs, databases, cloud services, and modern software development practices.

Key Responsibilities

• Design, develop, test, and maintain enterprise applications using C#, .NET Core/.NET 6+, ASP.NET Core, and Web API.
• Build scalable, secure, and high-performance cloud-native applications.
• Develop and integrate RESTful APIs and microservices.
• Deploy and manage applications on AWS or Microsoft Azure.
• Work with cloud services such as:AWS: EC2, Lambda, S3, RDS, ECS/EKS, CloudWatch, SQS/SNS, API Gateway
• Design and optimize databases using SQL Server, PostgreSQL, MySQL, or other relational and NoSQL databases.
• Implement authentication and authorization using OAuth 2.0, OpenID Connect, JWT, Azure AD, or AWS IAM.
• Write clean, maintainable, reusable, and well-documented code.
• Create unit, integration, and automated tests.
• Participate in code reviews and contribute to technical design discussions.
• Troubleshoot application, performance, and production issues.
• Collaborate with product managers, QA engineers, DevOps engineers, and other development teams.
• Implement CI/CD pipelines using tools such as Azure DevOps, GitHub Actions, Jenkins, AWS CodePipeline, or GitLab CI/CD.
• Apply security, logging, monitoring, and performance best practices.
• Contribute to Agile ceremonies, sprint planning, estimation, and continuous improvement.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience.
• Strong programming experience in C#.
• Hands‑on experience with .NET Core/.NET 6+ and ASP.NET Core.
• Experience developing REST APIs and web applications.
• Good knowledge of object‑oriented programming, SOLID principles, and design patterns.
• Experience with SQL Server or another relational database.
• Practical experience with either AWS or Azure.
• Familiarity with Git and source control practices.
• Experience writing unit tests using frameworks such as xUnit, NUnit, or MSTest.
• Understanding of Agile/Scrum development methodologies.
• Strong analytical, problem‑solving, and communication skills.