The Software Development Engineer II will optimize APIs, enhance system performance, reduce technical debt, mentor developers, and collaborate on technical initiatives for stability and scalability.
About HighLevel:
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. We are proud to support a global and growing community of over 2 million businesses, from marketing agencies to entrepreneurs to small businesses and beyond. Our platform empowers users across industries to streamline operations, drive growth, and crush their goals.
HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages 470 terabytes of data distributed across five databases, operates with a network of over 250 micro-services, and supports over 1 million domain names.
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
Every month, 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. 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 Frontend-Focused FullStack Software Development Engineer (SDE-2) who brings strong engineering fundamentals, a product mindset, and a bias for action. This role is ideal for someone who takes end-to-end ownership, thrives on building impactful, user-centric features, and is excited by the opportunity to innovate and drive improvements across the stack.
You’ll work closely with product, design, and platform teams to deliver features that are data-driven, performant, and scalable. You’ll be expected to contribute ideas, propose solutions, and lead execution—from concept to deployment.
Responsibilities:
- Own the full lifecycle of features: from requirements gathering and UI/UX collaboration to backend API integration and deployment
- Collaborate closely with product and design to shape features that solve real user problems
- Implement clean, performant, and accessible UI using React, TypeScript, and modern frontend practices
- Build and maintain scalable backend services using Node.js/Express, with well-designed APIs and data models
- Use analytics and product metrics to measure feature success and iterate for improvement
- Take initiative to improve engineering processes, dev experience, or user experience
- Drive frontend performance improvements, bundle optimizations, and rendering strategies
- Maintain code quality through thoughtful architecture, testing, and documentation
- Proactively address technical debt and participate in refactor or migration efforts
- Actively contribute to planning and execute reliably under fast-moving product priorities
Requirements:
- 3 years of FullStack development experience, with strong frontend engineering skills
- Experience in taking features or systems from 0 → 1, and seeing them through to adoption
- Strong command over JavaScript/TypeScript, Vue.js, modern state management, and component-based architecture
- Working knowledge of Node.js, REST APIs, and databases (MongoDB, PostgreSQL, etc.)
- Product intuition: ability to weigh trade-offs, collaborate with PM/design, and advocate for users
- Passion for metrics and data-driven decisions—you care about impact, not just delivery
- Clear communicator and collaborator, comfortable working across teams
- A track record of taking initiative to solve problems beyond what’s assigned
Interview Process:
- Technical Interview I
- Assignment
- Technical Interview II
- Cultural Fitment Round
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 recordkeeping, 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.
#LI-Remote #LI-NJ1
Top Skills
Api Design Patterns
Database Optimization Techniques
Performance Optimization For Distributed Systems
System Monitoring Tools
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