Develop and optimize mobile app features using Flutter, collaborating with teams to enhance performance and user experience.
About HighLevel
HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers 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, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 4 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million hostnames.
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
As of mid 2025, 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 each month. 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 Software Engineer with 3+ years of experience to join our Client Portal Mobile Team, which enables creators and businesses to deliver rich, branded experiences through our mobile app. The Content Hub connects millions of users across courses, communities, bookings, and payments—helping creators manage their entire business in one seamless platform.
As a Mobile Engineer, you’ll focus on developing new features, optimising performance, and enhancing the overall reliability of the Mobile App to strengthen its reputation among users. You’ll work closely with product, design, and backend teams to improve app stability, deliver delightful user experiences, and build features that scale across thousands of businesses and millions of users. This role is ideal for engineers passionate about mobile excellence and performance-driven product development.
Responsibilities
- Contribute to the design and development of high-performance, scalable mobile software, ensuring long-term stability and maintainability.
- Build and ship production-grade Flutter features used daily by millions of users across diverse industries and use cases.
- Collaborate with product, design, and backend teams to deliver end-to-end, customer-facing features that improve the app’s performance, usability, and reputation.
- Develop and maintain shared tooling, frameworks, and libraries that streamline mobile development and improve developer velocity.
- Measure and improve app performance, responsiveness, and reliability through modern observability, profiling, and debugging practices.
- Write clean, testable, and maintainable code, leveraging AI-assisted tools to accelerate development and testing while maintaining code quality.
- Stay current with Flutter best practices, mobile architecture patterns, and performance optimisation techniques to continuously improve user experience.
- Stay on the bleeding edge of AI/LLM advances, Flutter best practices, and scalable mobile architecture patterns — and share insights with the team.
Requirements
- 3+ years of professional experience in software engineering, including 2+ years of Flutter and Dart in production environments.
- Strong understanding of mobile app architecture, widget lifecycle, rendering, and advanced state management techniques (e.g., Provider, Bloc, Riverpod, MobX).
- Experience integrating and optimizing RESTful APIs and managing app communication with scalable backend systems.
- Proven ability to identify and fix performance bottlenecks, memory issues, and frame drops across iOS and Android.
- Hands-on experience with CI/CD pipelines, build automation, and testing frameworks for mobile applications.
- Familiarity with cross-platform optimisations, native integrations (iOS/Android), and reducing app size.
- Strong fundamentals in debugging, profiling, and improving core app metrics such as startup time, crash rate, and responsiveness.
- Effective collaboration and communication skills — able to work closely with cross-functional teams in a distributed environment.
- Passion for building polished, performant, and reliable mobile experiences that delight users at scale.
EEO Statement:
At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way! Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.
#LI-Remote #LI-RS1
Top Skills
Dart
Flutter
Restful Apis
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