Software Development Engineer III – Core CRM

🕒 February 12

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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

• Design and evolve Node.js / NestJS services powering systems that operate at scale • Take architectural decisions that balance scale, cost, and long-term maintainability • Build well-typed, thoughtful REST contracts for high volume flows • Think in versioning, backward compatibility, and clean boundaries • Model and optimize MongoDB / Firestore schemas for high read/write workloads • Design atomic updates and consistency strategies for distributed systems • Implement queues, caching layers, and rate limiting to handle burst traffic gracefully • Design for failure modes before they happen • Ship modular Vue 3 UIs that efficiently consume APIs • Optimize realtime updates and state management (Pinia) • Improve Core Web Vitals and perceived performance • Instrument logs, metrics, traces, and alerts • Participate in on-call • Debug real production issues • Drive post-mortems to meaningful closure (not just documents) • Review code thoughtfully • Support junior engineers • Raise engineering standards across the team

🎯 Requirements

• 4+ years of professional engineering experience • Strong backend-heavy fullstack background • Deep comfort with Node.js + TypeScript • Experience building and scaling microservices (NestJS / Express) • Modern frontend experience (Vue 3 or similar) • Strong understanding of: API design, Data modeling, Distributed systems tradeoffs, Concurrency & rate limiting • Real production debugging experience • Comfortable in cloud-native environments (GCP / AWS) • CI/CD and containerization familiarity • Pub/Sub or message queue experience • Event-driven systems exposure • Domain-driven design familiarity • Performance optimization work • Experience reducing infra costs