Software Development Engineer III – WordPress

🕒 January 8

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HighLevel

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2018

☁️ SaaS

🤝 B2B

💰 Series A on 2021-11

SaaS • Marketing • B2B

HighLevel is an all-in-one marketing and sales platform designed to help businesses grow and succeed. The platform consolidates various marketing tools into a single solution, providing features such as lead capture through landing pages, surveys, forms, and calendars, as well as tools for nurturing leads via automated messaging across multiple channels including phone, SMS, email, and social media. HighLevel offers customizable solutions like online appointment scheduling, multi-channel follow-up campaigns, and pipeline management. Additionally, businesses can build websites, funnels, and landing pages using the intuitive page builder. HighLevel supports integrating with existing systems via API, and offers a membership platform for community building and course management. The platform is targeted towards marketers and offers white-labeling options for businesses to brand the software as their own. With a community-driven development approach and award-winning support, HighLevel is focused on empowering businesses to streamline their operations and enhance their marketing efficiencies.

📋 Description

• Own and contribute to architecture and development across products, driving technical excellence in both frontend and backend systems. • Develop and optimize backend API services with test-driven development including advanced caching and messaging for reliability and scalability. • Deliver high-quality frontend experiences using modern frameworks, with strong fundamentals in component-based architectures and state management. • Integrate and support observability, logging, and monitoring to ensure platform reliability and rapid incident response. • Ensure top-tier application security and compliance, applying best practices across frontend, backend, and API layers (authentication, authorization, rate-limiting, OWASP). • Leverage LLMs and AI tools to write, refactor, test, and debug code efficiently, implementing guardrails for reliability. • Participate in design reviews, deep dives, and on-call rotations to support a culture of accountability and operational excellence.

🎯 Requirements

• 4+ years of hands-on software engineering experience building and scaling robust backend systems and high-performance frontend applications. • Strong backend engineering and distributed system design skills, with hands-on experience in API development, data modeling, and systems architecture using Node.js (NestJS preferred), TypeScript, MongoDB, and Redis. • Expertise in backend performance optimization, caching strategies, and event-driven architectures (e.g., Redis, Kafka, Pub/Sub). • Familiar with modern frontend frameworks ( Vue, Angular, React), advanced UI engineering patterns, and CSS libraries like Bootstrap or Tailwind CSS. • Advanced experience with complex state management libraries (e.g., Redux, Vuex, MobX) and architectural design of large-scale application state. • Proven track record of optimizing frontend performance and web vitals at scale, including experience with server-side rendering (SSR), edge, or hybrid rendering architectures. • Familiarity with frontend and backend observability - including monitoring, tracing, error tracking, and performance profiling in production (e.g., Grafana, Prometheus, Sentry, PostHog). • Strong understanding of security best practices across the full stack—including authentication, authorization, access control, secure data flow, and privacy compliance. • Excellent communication and cross-functional collaboration skills, able to drive complex initiatives, lead technical discussions, and mentor junior engineers.

🏖️ Benefits

• EEO Statement • Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.