Software Development Engineer Iii (Saas)

TL;DR

Software Development Engineer III (SaaS): Tackling systemic bottlenecks, improving fault tolerance, and ensuring high availability for mission-critical phone services with an accent on platform stability, scalability, and long-term technical excellence. Focus on optimizing resource usage, strengthening data protection, and accelerating engineering workflows.

Location: Remote

Company

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.

What you will do

• Stabilize and scale the platform to improve fault tolerance and ensure high availability for mission-critical phone services.
• Optimize resource usage to handle millions of operations while reducing cloud costs.
• Lead long-term refactoring efforts, deprecate legacy systems, and introduce scalable patterns.
• Strengthen data protection, access controls, and auditability across the platform.
• Improve tooling, observability, and automation to accelerate engineering workflows.
• Work with product, infrastructure, and other engineering teams to align on platform priorities.

Requirements

• 4+ 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.
• Strong experience with relational and NoSQL data models.
• 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.
• Excellent problem-solving skills, with clear and collaborative communication across teams.

Nice to have

• Experience with AI Tools and contributions to open-source tools, internal platforms or engineering blogs.
• Experience with modern front-end frameworks (e.g., React, Vue, Angular) and building full-stack web applications.

Culture & Benefits

• Global, remote-first environment with over 1,500 team members across 15+ countries.
• Focus on building a global community rooted in creativity, collaboration, and impact.
• Cultivating a culture where innovation thrives, ideas are celebrated, and people come first.