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About the Role

You’ll be a technical leader on the Client Experience team, holding the big picture while staying hands-on in the code. You’re frontend-anchored with deep React expertise, comfortable driving mobile architecture decisions, and able to contribute confidently to our .NET Core backend services. You know how to guide a team toward great outcomes without over-engineering. You thrive in a collaborative, autonomous environment, take genuine ownership of the product and its impact on customers, and are energized by both shipping new features and improving the systems that already exist.

Responsibilities

Shipping new features and iteratively enhancing existing systems across web, mobile, and backend surfaces, prioritizing reliability and exceptional user experience.
Drive architectural decisions for new services, balancing long-term scalability and maintainability with the need for rapid delivery in a multi-stack environment.
Partner closely with product managers and designers from the earliest stages of solution design: shaping problems, challenging assumptions, and defining the right approach before implementation and help break work for your team.
Own the technical backlog by ideating, prioritizing, and delivering on technical initiatives while communicating trade-offs clearly to stakeholders.
Champion observability and reliability by defining meaningful dashboards, alerts, and SLOs to ensure our services remain healthy in production.
Set the standard for pragmatic engineering, demonstrating the judgment to know when to move fast and when to invest in robustness.
Leverage AI tools thoughtfully to accelerate delivery while always applying human oversight to what ships.
Mentor and grow engineers through code reviews, pairing, and coaching, fostering a collaborative culture where the whole team improves.
Work with autonomy, taking ownership of problems and bringing clear recommendations rather than waiting for predefined answers.

Requirements

Proven track record of technical leadership in both new feature development and maintaining existing systems.
Deep React expertise with a frontend-anchored focus, setting the standard for frontend craft on the team.
Strong TypeScript proficiency and a solid understanding of modern JavaScript and browser standards (HTML/CSS, DOM API, ES modules).
Ability to drive mobile architecture decisions across React Native. You’ve designed systems across both web and mobile surfaces and can guide the team’s mobile direction, not just review mobile code.
.NET Core (C#, Web API). Demonstrated senior-level depth in backend systems and container-based architecture, comfortable taking full ownership of a service without requiring dedicated backend leadership.
Experience owning a technical backlog: ideating, scoping, prioritising, and delivering with the team.
Proven track record of delivering features end-to-end - from technical scoping and design through to production - with the communication skills to set clear direction, align the team, and keep stakeholders informed throughout.
Experience leading or mentoring engineers in a collaborative, distributed team environment.
RESTful API design experience and solid relational database thinking - you understand how data flows through a system and can reason about query patterns and schema design, regardless of the specific tooling.
Strong understanding of scalable system design, software architecture, data structures, and algorithms.
Solid command of the full software development lifecycle - including testing strategies, CI/CD, deployment pipelines, and operational practices.
Demonstrated enthusiasm for AI-assisted development. You actively use AI tools in your workflow and can articulate how they enhance productivity and code quality.
Excellent communication skills; able to articulate technical decisions clearly to both engineering and non-engineering stakeholders across timezones.
A Bachelor’s degree in Computer Science or equivalent practical experience.
Hands-on experience with React Native and Expo, including: build, release, and distribution pipelines (App Store, Google Play, or EAS Build).
Familiarity with containerisation (Docker/Kubernetes) and cloud platforms (Azure a plus).
Hands-on experience with DataDog, Azure, or equivalent observability and cloud tooling
Understanding of i18n and accessibility standards for web and mobile applications.

Skills

React
React Native
TypeScript
JavaScript
HTML
CSS
.NET Core
C#
Web API
RESTful API design
Docker
Kubernetes
Azure
DataDog
GitHub Actions
AI-assisted development

Location

USA
Australia
New Zealand
Canada
United Kingdom
Philippines

Work Type

Flexible working environment
Distributed team

Experience Level

Technical leadership
Senior-level depth in backend systems
Experience leading or mentoring engineers

Education Level

Bachelor’s degree in Computer Science or equivalent practical experience

Benefits

4 weeks annual leave plus 5 extra "Karbon Days" off a year
Generous parental leave

About the Company

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 Core Technology Stack: React and TypeScript (primary web application platform), React Native with Expo (cross-platform apps for iOS and Android), Node.js BFF (API layer), .NET Core (C#, Web API) microservices (backend services), Microsoft Azure (cloud), DataDog (observability), GitHub with GitHub Actions (source control & CI/CD).
AI is reshaping how software gets built, and at Karbon we’re fully committed. We don’t see AI as a replacement for engineers. We see it as a force multiplier that will elevate creativity, impact and capability to levels we’ve barely begun to imagine.
We’re looking for developers who are confident in their fundamentals, driven to grow, and excited to harness AI to build something meaningful.

Equal Opportunity

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 people.support@karbonhq.com for a confidential discussion.