Software Development Engineer III - Calendars (Frontend)
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
About the Role
We’re looking for a strong Software Engineer with a frontend focus to build and scale high-performance scheduling and booking experiences. You’ll work across the stack — primarily on frontend systems like booking widgets and calendar views, while also contributing to APIs and backend integrations that power them.
This role requires strong execution, end-to-end ownership, and the ability to navigate ambiguity while delivering scalable, reliable systems.
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Responsibilities:
Build and ship high-quality frontend features using Vue.js and Nuxt
Own projects end-to-end: requirements → design → implementation → testing → deployment → monitoring
Develop performant, responsive, and accessible UI components and booking flows
Optimize frontend performance (SSR, hydration, lazy loading, Core Web Vitals)
Design and integrate with backend APIs for scheduling, availability, and booking workflows
Contribute to backend services where needed (API design, data modeling, performance)
Break down complex problems into clear, actionable tasks and drive them to completion
Collaborate closely with Product, Design, and Backend teams to deliver intuitive user experiences
Proactively identify tech debt and improve system reliability
Requirements:
3–6 years of software engineering experience (frontend-heavy)
Strong proficiency in Vue.js, Nuxt (2 or 3), and modern JavaScript/TypeScript
Solid understanding of browser rendering, performance optimization, and responsive design
Working knowledge of backend systems (APIs, databases, system design fundamentals)
Experience building scalable, maintainable systems across frontend and backend boundaries
Ability to independently drive features from idea to production
How You Work
Operate with ownership: take goals, define the approach, and execute independently
Communicate proactively on progress, risks, and trade-offs
Navigate ambiguity and make pragmatic decisions without waiting for perfect specs
Balance speed with long-term maintainability and scalability
Write clear design docs, PRs, and contribute to thoughtful code reviews
Team Impact
Contribute to improving frontend architecture, performance, and developer experience
Raise the bar on code quality, testing, and best practices
Help drive a culture of ownership, accountability, and continuous improvement
Why Join Us?
Build high-scale, high-impact systems used in real-world workflows
Own problems end-to-end across frontend and backend
Work in a fast-moving, high-ownership environment
Tackle complex product and engineering challenges with real user impact
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