Software Development Engineer III (Fullstack ) - Workflows

About the role

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 people

With 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 impact

Every 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

We are looking for a highly skilled and experienced Full Stack Senior Software Engineer (SDE-3) to join our team. In this role, you will own large features end-to-end—from design to production—drive key architectural decisions, and mentor junior developers. You must be comfortable going deep in any part of the stack, whether it's optimizing backend performance, scaling infrastructure, improving frontend responsiveness, or debugging complex production issues. The ideal candidate is an expert in Node.js (backend) and Vue.js (frontend), thrives in a fast-paced environment, and is relentless about delivering high-quality, maintainable solutions.

Requirements

• 4-5+ years of professional software development experience

• Strong experience with Node Js for backend development

• Expertise in Vue.js for frontend development

• Solid understanding of software architecture, microservices, and system design

• Experience with relational and NoSQL databases

• Comfortable with CI/CD processes, containerization, and cloud environments

• Proven leadership in mentoring and leading projects.

• Strong communication and documentation skills.

Technical Mastery

Backend: Strong experience in Node Js, with solid understanding of REST API design, microservices architecture, and scalable systems

Frontend: Proficient in Vue.js, with experience building modular, performant, and accessible UIs

Solid understanding of relational and NoSQL databases (e.g., MongoDB, Firestore)

System Design & Architecture

Design scalable and maintainable systems (both HLD and LLD)

Write clear technical design documents and contribute to architecture discussions

Make informed decisions considering trade-offs and system impact

Execution & Ownership

Drive features and projects from planning to production

Ensure code quality, reliability, and performance

Participate in debugging, performance tuning, and production incident handling

DevOps & Infrastructure

Experience with CI/CD pipelines, containerization tools like Docker, and orchestration tools like Kubernetes

Familiarity with cloud platforms (GCP)

Own production readiness: logging, monitoring, and alerting

Leadership & Collaboration

Mentor junior engineers and guide best practices through code reviews

Collaborate effectively with product managers, designers, and QA engineers

Contribute to sprint planning and lead technical discussions

Testing & Quality

Implement and advocate for unit, integration, and end-to-end testing

Enforce best practices for maintainable, well-tested code

Nice to Have

• Experience with message queues (e.g., Kafka, RabbitMQ)

• Exposure to domain-driven design and event-driven architecture.

• Contributions to open source or technical blogs

Why Join Us

Work on impactful, large-scale systems

Collaborate with a skilled and motivated engineering team

Contribute to a culture of engineering excellence and innovation

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