Senior .NET & Next.js Full-Stack Engineer

Synechron; Sydney; On-site; AUD 150,000 - 190,000; Full time

Job summary

Synechron, a global consulting firm, is seeking a skilled Full-Stack Developer with experience in .NET technologies and Next.js to design, develop, and maintain scalable web applications across backend and frontend systems.

The ideal candidate will collaborate with product and design teams to deliver secure, high-performance solutions and contribute to Agile ceremonies, sprint planning, and technical discussions.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 8+ years of experience in full-stack development.
• Strong knowledge of C#, .NET Core, and ASP.NET Core.
• Experience developing and consuming REST APIs.
• Strong knowledge of HTML5, CSS3, and responsive web design.
• Experience with SQL Server and Entity Framework Core.
• Familiarity with Git and modern development workflows.
• Understanding of authentication and authorization using JWT, OAuth, or ASP.NET Identity.

Responsibilities

• Develop scalable web applications using ASP.NET Core/.NET and Next.js.
• Build RESTful APIs and integrate third-party services.
• Design and manage databases using SQL Server, EF Core, or similar.
• Create responsive interfaces using React and Next.js.
• Implement server-side rendering, static generation, and API routes in Next.js.
• Write clean, maintainable, and reusable code.
• Perform unit testing, integration testing, debugging, and code reviews.
• Collaborate with developers, designers, QA engineers, and business stakeholders.
• Participate in Agile ceremonies and sprint planning.
• Maintain technical documentation and deployment processes.

Skills

Full-stack development

REST APIs

Frontend development

Education

Bachelor’s degree in Computer Science or related field

Tools

C#

.NET Core

ASP.NET Core

SQL Server

Entity Framework Core

React

Next.js

Git

Job description

Synechron, a global consulting firm, is seeking a skilled Full-Stack Developer with experience in .NET technologies and Next.js to design, develop, and maintain scalable web applications across backend and frontend systems.

The ideal candidate will collaborate with product and design teams to deliver secure, high-performance solutions and contribute to Agile ceremonies, sprint planning, and technical discussions.