Software Development Engineer III | Deskstop | Frontend

About HighLevel

HighLevel is a cloud-based, all-in-one white-label marketing and sales platform that empowers marketing agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, from marketing agencies to entrepreneurs to small businesses and beyond. Our platform empowers users across industries to streamline operations, drive growth, and crush their goals.

HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages 470 terabytes of data distributed across five databases, operates with a network of over 250 micro-services, and supports over 1 million domain names.

Our People

With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.

Our Impact

Every month, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.

Learn more about us on our YouTube Channel or Blog Posts

About the Role

We’re looking for a Senior Software Engineer to join the team in building the HighLevel Desktop App, a critical productivity companion serving nearly 2 million monthly active users. Built in Electron, the desktop app bridges the gap between web and native delivering faster workflows, offline access, notifications, and integrated user experiences across the HighLevel ecosystem.

In this role, you’ll work hands-on across the Electron stack, shaping how performance, reliability, and cross-platform consistency come together at scale. You’ll collaborate closely with design, frontend, and infrastructure teams to build a desktop experience that feels fast, native, and seamless.

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Responsibilities
- Build and evolve features within the HighLevel Desktop App, delivering a world-class experience to hundreds of thousands of daily active users.
- Work across both frontend and backend layers within Electron, integrating HighLevel’s APIs and native OS capabilities (notifications, updates, file access, etc.).Implement performant, modular UI components using Vue.js, React, or similar frameworks inside the Electron shell.
- Collaborate with backend teams to design and consume Node.js APIs, IPC handlers, and secure data sync workflows.
- Identify, debug, and resolve complex rendering, memory, and performance issues across main and renderer processes.
- Develop cross-platform build, packaging, and auto-update workflows for macOS, Windows, and Linux using Electron tooling.
- Optimize app startup time, rendering efficiency, and caching to ensure low-latency, smooth user experiences.
- Work closely with design and product to prototype, iterate, and ship high-impact desktop features quickly and reliably.
- Contribute to observability, logging, and crash-reporting systems to maintain stability and quality at scale.
- Collaborate with infrastructure teams to ensure seamless deployment and monitoring using Google Cloud Platform and related tools.

Requirements
- 4+ years of software engineering experience, with 2+ years building desktop or web applications at scale.
- Solid experience developing Electron applications, including main/renderer process architecture and IPC communication.
- Strong proficiency with frontend frameworks such as Vue.js, Nuxt, or React, and deep understanding of UI performance tuning.
- Experience building or integrating backend API services using Node.js and TypeScript.
- Familiarity with NoSQL databases (MongoDB, DynamoDB) and Redis, and experience working with Google Cloud infrastructure (GCP, CI/CD, deployment).Deep understanding of performance profiling, memory optimization, and browser rendering lifecycles.
- Skilled at debugging and resolving cross-platform issues across Windows, macOS, and Linux environments.
- Strong problem-solving ability with a focus on product quality, DX (developer experience), and maintainability.
- Excellent collaboration and communication skills - comfortable working across product, design, and infrastructure teams.

Bonus Points
- Experience developing offline-first or data-sync architectures for desktop or mobile environments.
- Familiarity with auto-update pipelines, app signing, and release workflows for Electron.
- Contributions to open-source Electron, Chromium, or frontend performance tools.
- Experience working with real-time messaging, notifications, or background sync features.
- Interest in AI-assisted development tools or integrating AI features into user workflows.

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EEO Statement

The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government record keeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision.