Technical Specialist
Australia
Job Description
Technical Specialist
Sydney, New South Wales

Job Summary

Role Summary

We are looking for an experienced.NET Backend Developer with strong AWS expertise to design, develop, and operate scalable backend services and APIs. The role will focus on modern C#/.NET applications, cloud-native services on AWS, enterprise integrations, and reliable production engineering.

Key Responsibilities

Key Responsibilities

  • Design and develop backend services using C#, modern .NET/.NET Core, and ASP.NET Core.
  • Develop scalable REST APIs and integration services.
  • Build and operate cloud-native applications on AWS.
  • Design integrations with enterprise APIs, data platforms, and downstream systems.
  • Containerize applications and support modern deployment patterns.
  • Implement CI/CD pipelines, automated testing, and deployment practices.
  • Implement application telemetry, monitoring, and observability.
  • Improve application performance, security, resilience, and scalability.
  • Troubleshoot complex application and integration issues.
  • Support production releases and incident resolution.
  • Contribute to API and integration-contract design.
  • Participate in technical design, code reviews, and engineering best practices.

These responsibilities closely reflect the backend requirements already discussed internally for the Senior Software Engineer and Staff Software Engineer roles.

Skill Requirements

Mandatory Technical Skills

  • C#
  • .NET / .NET Core
  • ASP.NET Core
  • REST APIs / Web API development
  • AWS
  • SQL
  • Containers
  • Git
  • CI/CD
  • Automated Testing
  • Application security
  • Production engineering / troubleshooting

Other Requirements

Highly Preferred Skills

  • .NET 8
  • AWS Lambda
  • Event-driven architecture
  • Distributed systems
  • Observability and telemetry
  • Snowflake
  • Financial services / Cards / Payments domain experience
Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 230,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2026 totaled $14.8 billion.