Lead Engineer - LC Phone

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July 31

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HighLevel

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SaaS • Marketing • B2B

HighLevel is an all-in-one marketing and sales platform designed to help businesses grow and succeed. The platform consolidates various marketing tools into a single solution, providing features such as lead capture through landing pages, surveys, forms, and calendars, as well as tools for nurturing leads via automated messaging across multiple channels including phone, SMS, email, and social media. HighLevel offers customizable solutions like online appointment scheduling, multi-channel follow-up campaigns, and pipeline management. Additionally, businesses can build websites, funnels, and landing pages using the intuitive page builder. HighLevel supports integrating with existing systems via API, and offers a membership platform for community building and course management. The platform is targeted towards marketers and offers white-labeling options for businesses to brand the software as their own. With a community-driven development approach and award-winning support, HighLevel is focused on empowering businesses to streamline their operations and enhance their marketing efficiencies.

201 - 500 employees

Founded 2018

☁️ SaaS

🤝 B2B

💰 Series A on 2021-11

📋 Description

• About Us • 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 15 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 domain names. • We’re looking for a Staff Software Engineer to join our LC Phone Team, which powers the core communication platform handling SMS, MMS, Voice Calls, Whatsapp and RCS messaging across our product ecosystem. • This team is responsible for delivering a reliable, secure, and performant infrastructure that handles millions of time-critical operations. • As a Staff Engineer, you’ll lead the technical direction of the platform, solve complex distributed system problems, and mentor 10+ engineers across squads of 5 different products. • You’ll partner closely with PMs, designers, infra, and security teams to drive long-term architecture, elevate engineering standards, and ensure seamless user experiences at scale.

🎯 Requirements

• 6+ years of backend engineering experience, including designing fault-tolerant systems and working on high-scale platforms. • Deep expertise in distributed systems, event-driven architectures, and asynchronous job processing • Proven experience optimizing availability, performance, and reliability in real-world systems under load • Strong experience with relational and NoSQL data models (especially with complex transactional data) • Deep knowledge of Frontend Systems with any frameworks (Angular, VueJS, React) and familiarity with Design Principles and User Experience • Familiarity with monitoring, SLOs, and root-cause analysis in production environments • Familiarity with hallucination mitigation strategies (e.g., code constraints, test scaffolding, embeddings, context injection). • Excellent communication and cross-functional collaboration skills • A pragmatic, hands-on leader who balances long-term vision with iterative execution

🏖️ Benefits

• EEO Statement • The company is an Equal Opportunity Employer. • As a part of affirmative action compliance, demographic information may be collected voluntarily. • This information is used strictly for legal compliance, will be kept separate from your application, and will not impact hiring decisions.