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Karbon

Fullstack Engineer

Reposted Yesterday
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In-Office
Sydney, New South Wales
Junior
In-Office
Sydney, New South Wales
Junior
The Fullstack Engineer will design and build web applications, improve product features, collaborate in an agile team, and leverage AI tools while maintaining high standards of quality and performance.
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About Karbon

Karbon is the global leader in AI-powered practice management software for accounting firms. We provide an award-winning cloud platform that helps tens of thousands of accounting professionals work more efficiently and collaboratively every day. With customers in 40 countries, we have grown into a globally distributed team across the US, Australia, New Zealand, Canada, the United Kingdom, and the Philippines. We are well-funded, ranked #1 on G2, growing rapidly, and have a people-first culture that is recognized with Great Place To Work® certification and on Fortune magazine's Best Small Workplaces™ List.

Our Engineering Standards

Balance Speed and Quality

Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while producing reliable, maintainable, and well-tested solutions. Sound judgment in making trade-offs between velocity and long-term sustainability is essential.

Collaborate Effectively

Engineering is collaborative by default. Team members are expected to contribute constructively in design discussions, reviews, and planning, communicate clearly about progress and risks, and support shared team outcomes in both hybrid and distributed environments.

Build and Maintain Systems

Engineers are responsible for building new capabilities while maintaining and improving existing systems. This includes designing scalable solutions, reducing technical debt, supporting operational stability, and contributing to continuous improvement.

Operate with Autonomy

A high degree of autonomy is expected. Given clear objectives, engineers should independently translate problems into actionable technical approaches, proactively identify improvements, and continuously expand relevant technical expertise.

Ownership and Accountability

Ownership is fundamental. Engineers are accountable for the quality, performance, and customer impact of their work from design through post-release support, and are expected to follow through on commitments.

AI-Enabled Engineering

AI is reshaping how software is built, and we are committed to leveraging it as a force multiplier for creativity, impact, and capability. Engineers are expected to confidently apply strong technical fundamentals while embracing AI tools and approaches to enhance productivity, problem-solving, and innovation. Curiosity, adaptability, and enthusiasm for integrating AI into meaningful product development are essential.

Contribute to Team Culture

Engineers contribute positively to a culture of professionalism, transparency, low bureaucracy, and mutual respect, strengthening team performance through authenticity, curiosity, and collaboration.


About the Role! 

You’ll build reliable, high-quality software across our .NET and modern JavaScript stack, contributing to both new product capabilities and improvements to existing systems. Working closely with engineers, designers, and product managers, you’ll design and deliver features that serve real customers while maintaining strong standards for performance, reliability, and maintainability.

At this level, you’ll take ownership of features and technical solutions while continuing to deepen your technical expertise and system understanding.

AI is reshaping how software gets built — and we see it as a force multiplier for engineers. You’ll be expected to use AI tools effectively to accelerate development, improve productivity, and enhance engineering workflows.

  • Designing and developing web applications and services using C#, .NET (Core, MVC, Web API), and SQL Server.
  • Building modern front-end experiences using JavaScript and TypeScript with frameworks such as React.
  • Collaborating with cross-functional teams to design, implement, test, and deliver product features.
  • Writing well-tested, maintainable code that meets standards for performance, scalability, and security.
  • Troubleshooting issues across development and production environments.
  • Leveraging AI development tools to improve productivity in coding, testing, documentation, and debugging workflows.
  • Participating in code reviews, technical discussions, and improvements to engineering practices.
  • Taking ownership of features from development through deployment and ongoing maintenance.
What Sets You Apart  
  • 3–5 years of professional software development experience.
  • Strong proficiency in C#, .NET (Core, MVC, Web API), and SQL Server.
  • Experience building front-end applications using JavaScript or TypeScript with frameworks such as React.
  • Solid understanding of APIs, databases, debugging, testing, and version control.
  • Familiarity with cloud-based development environments (Azure preferred).
  • Comfort using modern AI development tools to support productivity and engineering workflows.
  • Bachelor’s degree in Computer Science or equivalent practical experience.

Our Core Technology Stack!

We build modern, scalable software on a thoughtfully designed stack:

  • Frontend: TypeScript and JavaScript across Ember (today), React, and React Native.
  • Backend: .NET / C# (Web API, .NET Core) powering distributed services.
  • Data: SQL Server with performance and integrity at scale.
  • Cloud: Microsoft Azure.
  • Observability: Metrics, logging, alerting, and dashboards in Datadog — because we believe you can’t improve what you don’t measure.

Our architecture continues to evolve as we scale. We invest in event-driven systems, well-defined microservices, and containerized deployments (Azure Container Apps) to build resilient, decoupled, and high-performing software.

If you care about clean service boundaries, reliable systems, and shipping with confidence — you’ll feel right at home here.

Why Work at Karbon?
  • Gain global experience across the USA, Australia, New Zealand, UK, Canada and the Philippines
  • 4 weeks annual leave plus 5 extra "Karbon Days" off a year
  • Flexible working environment
  • Work with (and learn from) an experienced, high-performing team
  • Be part of a fast-growing company that firmly believes in promoting high performers from within
  • A collaborative, team-oriented culture that embraces diversity, invests in development, and provides consistent feedback
  • Generous parental leave

Karbon embraces diversity and inclusion, aligning with our values as a business. Research has shown that women and underrepresented groups are less likely to apply to jobs unless they meet every single criteria. If you've made it this far in the job description but your past experience doesn't perfectly align, we do encourage you to still apply. You could still be the right person for the role!

We recruit and reward people based on capability and performance. We don’t discriminate based on race, gender, sexual orientation, gender identity or expression, lifestyle, age, educational background, national origin, religion, physical or cognitive ability, and other diversity dimensions that may hinder inclusion in the organization.

Generally, if you are a good person, we want to talk to you. 😛

If there are any adjustments or accommodations that we can make to assist you during the recruitment process, and your journey at Karbon, contact us at [email protected] for a confidential discussion.

 

At this time, we request that agency referrals are not submitted for this position. We appreciate your understanding and encourage direct applications from interested candidates. Thank you!

Top Skills

.Net
C#
JavaScript
SQL Server
Typescript

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