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About HighLevel
HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fueling community-driven growth rooted in real customer outcomes.To date, businesses operating on HighLevel have generated over $7 billion in ecosystem value, demonstrating the impact of shared infrastructure at scale. By centralizing conversations, automation and intelligence into one system, we help businesses move faster, reduce complexity and execute efficiently.Behind the platform, HighLevel powers more than 4 billion API hits and 2.5 billion message events daily. With 250 terabytes of distributed data, 250+ microservices and over 1 million domain names supported, our architecture is built for performance, resilience and long-term scalability.
Our peopleWith over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home.
Our impactEvery month, HighLevel enables more than 1.5 billion messages, 200 million leads and 20 million conversations for the more than 1 million businesses we support. Behind those numbers are real people building independence, expanding opportunity and creating measurable impact. We’re proud to be a part of that.Learn more about us on our YouTube Channel or Blog Posts
Our peopleWith over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home.
Our impactEvery month, HighLevel enables more than 1.5 billion messages, 200 million leads and 20 million conversations for the more than 1 million businesses we support. Behind those numbers are real people building independence, expanding opportunity and creating measurable impact. We’re proud to be a part of that.Learn more about us on our YouTube Channel or Blog Posts
About the Role
We’re looking for a Lead Software Engineer with deep expertise in Node.js/ Go / Java, MongoDB, and distributed systems, combined with a strong focus on platform stability, scalability, reliability, and long-term technical excellence. You’ll be joining our WhatsApp Platform team, which builds and maintains core capabilities such as WhatsApp messaging (BSP), WhatsApp calling, WhatsApp flows, number provisioning, meta compliance workflows, and platform integrations that power communication for thousands of businesses.
Our WhatsApp platform currently processes over 6 million messages per day, and we are on a strategic journey to scale this to 20 million messages per day, aiming to become the leading BSP(Business Service Provider) in the industry. Similarly, our platform supports 25,000+ active WhatsApp subscriptions, and we’re aggressively scaling this to 100,000+ subscriptions as we expand our global footprint. This growth trajectory demands a leader who can architect highly scalable systems, anticipate platform bottlenecks, and design infrastructure capable of supporting massive scale with predictable performance.
This role requires someone who is comfortable working on high-scale, mission-critical platform components. You’ll take ownership of challenges related to system stability, performance optimization, distributed architecture improvements, operational efficiency, cost management, and security hardening across our WhatsApp infrastructure. You will drive architectural decisions, lead complex problem solving, reduce long-standing tech debt, and ensure our services remain resilient, observable, and compliant with WhatsApp/Facebook platform requirements.
As a technical leader, you will collaborate closely with product, infrastructure, and cross-functional engineering teams to design robust APIs, improve end-to-end delivery pipelines, enhance monitoring and alerting, streamline platform operations, and shape the long-term technical roadmap for the entire WhatsApp ecosystem within HighLevel. You will play a pivotal role in scaling our platform to the next order of magnitude while delivering exceptional reliability and performance for our global customer base.
- Stabilize & Scale the Platform: Tackle systemic bottlenecks, improve fault tolerance, and ensure high availability for mission-critical phone services.
- Efficiency & Performance: Optimize resource usage (CPU, memory, network) to handle millions of operations while reducing cloud costs.
- Tech Debt & Modernization: Lead long-term refactoring efforts, deprecate legacy systems, and introduce scalable patterns.
- Security & Compliance: Strengthen data protection, access controls, and auditability across the platform.
- Developer Velocity: Improve tooling, observability, and automation to accelerate engineering workflows.
- Cross-Team Collaboration: Work with product, infrastructure, and other engineering teams to align on platform priorities.
- Mentorship & Leadership: Guide engineers, set architectural standards, and drive the platform roadmap.
- 6+ years of backend engineering experience (Javascript/Java/Go), including designing fault-tolerant systems and working on high-scale platforms.
- Deep expertise in distributed systems, event-driven architectures, and asynchronous job processing
- Strong experience with relational and NoSQL data models (especially with complex temporal data)
- Proven track record of architecting complex systems and delivering scalable, high-performance web apps in production.
- Strong understanding of software design patterns, API design, and microservices architecture in a multi-tenant environment.
- Skilled in guiding technical architecture, making high-impact engineering decisions, and mentoring fellow engineers.
- Experience with code quality practices, automated testing, CI/CD pipelines, and dev tooling optimization.
- Excellent problem-solving skills, with clear and collaborative communication across
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.
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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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