Senior Full-Stack Engineer - .NET, React, AWS, GraphQL

Synechron; Sydney; On-site; AUD 120,000 - 150,000; Full time

Job summary

Synechron is a leading global digital consulting firm delivering AI, data, cloud and software engineering solutions to financial services clients. This role targets engineers with hands-on experience across frontend and backend technologies to build scalable APIs and modern user interfaces.

Successful candidates will demonstrate senior full-stack capabilities with C#, .NET, Next.js and cloud experience on AWS, plus a DevOps mindset to implement CI/CD and IaC practices in an agile environment.

Qualifications

• 5+ years of professional experience in full-stack development ( .NET, React/Next.js)
• Strong proficiency in C# and .NET with experience building RESTful APIs
• Demonstrated experience with Next.js and modern state management
• Experience building RESTful APIs and GraphQL for third-party integrations
• Hands-on experience with AWS services (Lambda, ECS, S3, IAM)
• Familiarity with financial systems or banking software integration (Bankers Workbench)
• Experience with CI/CD pipelines and Infrastructure as Code (IaC) (Terraform or AWS CDK)

Skills

Full-stack development

Back-End Expertise

Front-End Proficiency

RESTful APIs

Cloud Proficiency

Domain Knowledge

DevOps Mindset

Job description

Synechron is a leading global digital consulting firm, providing innovative technology solutions for business. Our expertise in AI, Consulting, Data, Digital, Cloud & DevOps and Software Engineering, delivers customized, end-to-end solutions that drive business value and growth.

We are looking for an experienced Full Stack Engineer with the following skills:

• Experience: 5+ years of professional experience in full-stack development ( .Net, React/Nextjs)
• Back-End Expertise: Strong proficiency in C# and .NET with experience building RESTful APIs
• Front-End Proficiency: Demonstrated experience with Next.js and modern state management
• Experience building RESTful APIs and GraphQL for seamless third-party integrations and optimized data access
• Cloud Proficiency: Hands-on experience with AWS services (Lambda, ECS, S3, IAM)
• Domain Knowledge: Familiarity with financial systems or banking software integration (specifically Bankers Workbench)
• DevOps Mindset: Experience with CI/CD pipelines and Infrastructure as Code (IaC) (e.g., Terraform or AWS CDK