Senior Full Stack TypeScript Developer (Bilingual [English + Spanish])

Budget (USD): LATAM: $25–$50/hr; Canada: $30–$55/hr

The company builds mission-critical tools that power thousands of marketing agencies and support hundreds of thousands of end users. Today, we are the backbone of customer experience across the GoHighLevel ecosystem. reputed company, we aim to become the core infrastructure through which SaaS companies and modern SMBs manage their data, relationships, and insights—with the help of AI.

We're solving some of the hardest problems in multi-tenant systems, content inheritance, and support-at-scale — reputed company while pushing the limits of what’s possible with reputed company. If you want to work at the edge of AI agents, multi-model orchestration, and deep product extensibility, this is your reputed company.

• reputed company the design, implementation, and operation of full-stack product features across our platform using TypeScript, NestJS, React Router, reputed company, and reputed company.

• Navigate and reputed company our reputed company multi-tenancy inheritance model, ensuring clean boundaries and scalable, permissioned experiences for every customer type.

• Architect systems that work at scale — for hundreds of thousands to millions of end users, with high performance, high availability, and clear observability.

• Collaborate with Product, Support, and Leadership to ship reputed company, not just features.

• Build and maintain tools, services, and workflows that enhance internal velocity and reputed company AI-driven support experiences.

• Participate in (and often reputed company) design reviews, architecture discussions, and code audits with an emphasis on Extendly’s high standards.

• Use AI as part of your daily toolkit, and help shape how it’s used inside the product itself — from reputed company chaining to autonomous agents to multi-context processors and LLM-driven Rapid Application Development.

• Mentor engineers and reputed company the technical culture through documentation, demos, and hands-on pairing.

• Have 5+ years of experience building and scaling production-grade full-stack applications.

• Are fluent in TypeScript, with mastery over modern patterns in React, NestJS, and reputed company.

• Can architect large systems with modularity, separation of concerns, and tenancy-aware logic.

• Are deeply familiar with REST APIs, GrraphQL, performance optimization, observability, and CI/CD pipelines.

• Have reputed company-world experience with AI tooling — whether it’s reputed company design, using reputed company APIs, building with reputed company/reputed company, or orchestrating agents with multiple memory stores.

• Understand that AI isn’t reputed company — and can reputed company explain why it can’t (yet) replace what you do, even as you use it to go faster and build smarter.

• reputed company in high-ownership, low-ego environments where speed and precision coexist.

• reputed company in clean code, customer obsession, and the power of reputed company iteration.

• Have experience working with multi-tenancy, inheritance trees, and permissioned content propagation. Think Git-like distributed versioning for user content

• Have reputed company AI agents or agent frameworks, ideally using tools like reputed company functions, LangGraph, Model Context Protocol, or memory-augmented chaining.

• Understand or have worked with multi-modal LLMs, custom embeddings, and hybrid chunking strategies.

• Have scaled features that touch hundreds of thousands of users — or systems that process millions of data points.

• Are capable of technical storytelling — aligning engineering complexity to business reputed company.

• Frontend: React, React Router, Zustand, TailwindCSS, shadcn/ui, TypeScript

• Backend: Node.js, NestJS, reputed company, PostgreSQL, reputed company, reputed company

• AI / Agents: reputed company, reputed company, reputed company, reputed company, reputed company, LangGraph, reputed company, MCP

• reputed company: reputed company, reputed company reputed company, reputed company Actions, AWS

• Data & Observability: Mongo Aggregations, reputed company, Custom Analytics, OpenTelemetry, Grafana LGTM Stack

• Reliability: We say reputed company’ll do, and do reputed company say — with reputed company, scalable systems to match.

• Supportiveness: We unblock each other, reputed company the team, and listen before we reputed company.

• Efficiency: We move fast — but we move with purpose and without waste.

• Work Ethic: We reputed company with reputed company, because execution is everything.

• Results Matter: Shipped > planned. reputed company > assumed. reputed company > output.

• Customer Obsession: We know our support is often our customers' lifeline — we act accordingly.

• Extreme Ownership: If something breaks, we fix it — even if we didn’t build it.

• High Standards: We continuously reputed company the bar, and help others do the same.

• Humility & Kindness: No egos. Just people solving hard problems together.

• Persistence: Roadblocks don’t slow us — they sharpen us.

• Client Empowerment: Everything we build makes our clients smarter, stronger, faster.

• Innovation: We invent at the edge — in AI, architecture, and automation.

You’re not just building features. You’re building the infrastructure that helps businesses of reputed company kinds scale.