Senior .NET & Azure Cloud Engineer

Hammerjack Pty Ltd; Philippines; On-site; PHP 1,200,000 - 1,800,000; Full time

Job summary

Hammerjack Pty Ltd is seeking a Senior Software Engineer to design, build and operate cloud-based systems on the Microsoft stack, with a focus on .NET, Azure and GitHub Copilot. You will own the full lifecycle from problem framing to production operations, delivering scalable, secure software.

You will work across backend, frontend and infra aspects, applying solid engineering fundamentals, modern design patterns and proactive testing to ensure robust, maintainable systems in production.

Qualifications

• Strong experience building and operating software systems in production.
• Deep hands-on expertise with .NET, C#, and ASP.NET Core.
• Solid understanding of APIs, distributed systems and integration patterns.
• Proven experience with Azure and cloud-based application architecture.
• Strong grasp of system design, performance, reliability, and security.
• Experience with automated testing, including unit and integration testing.
• Ability to debug complex issues across services and environments.
• Experience with frontend development using TypeScript and React, or willingness to work across the stack when needed.
• Clear communication and ability to work effectively in cross-functional engineering teams.
• Fluency in English.

Responsibilities

• Build and evolve backend services and APIs using .NET, C#, and ASP.NET Core.
• Build and contribute to frontend experiences using React and TypeScript.
• Design systems for scalability, resilience, security and maintainability.
• Make and drive technical decisions, balancing trade-offs and constraints.
• Own services in production, including deployment, monitoring, troubleshooting and continuous improvement.
• Apply clean architecture, design patterns, automated testing and code quality practices.
• Work with Azure services across compute, storage, messaging, identity, and monitoring to build cloud-based solutions.
• Collaborate closely with engineers, architects, product owners, and other stakeholders to deliver working software.
• Review code, challenge assumptions and help raise the engineering bar.
• Use AI-assisted tools, such as GitHub Copilot, effectively for coding, testing, analysis, and documentation.

Skills

NET/C#/ASP.NET Core

Azure

APIs and distributed systems

System design and security

Automated testing

Frontend with TypeScript & React

GitHub Copilot

English communication

Tools

GitHub Copilot

Job description

Hammerjack Pty Ltd is seeking a Senior Software Engineer to design, build and operate cloud-based systems on the Microsoft stack, with a focus on .NET, Azure and GitHub Copilot. You will own the full lifecycle from problem framing to production operations, delivering scalable, secure software.

You will work across backend, frontend and infra aspects, applying solid engineering fundamentals, modern design patterns and proactive testing to ensure robust, maintainable systems in production.