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Senior Full Stack Engineer – AI Systems

Remote / Online - Candidates ideally in
San Diego, San Diego County, California, 92189, USA
Listing for: SwiftCruit
Full Time, Remote/Work from Home position
Listed on 2026-07-14
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Full Stack Developer, Backend Developer
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR
Job Description & How to Apply Below

Join Hire Hangar and work with fast-growing global companies while building a long-term, remote career.

Job Title:

Senior Full Stack Engineer – AI Systems

Location:

Remote, Time Zone Flexible / Aligned to HQ Time Zone

Role Overview

We are scaling our agentic AI capabilities and are looking for a Senior Full Stack Engineer to help us build the systems that power autonomous, context‑aware agents across our platform. This is a high‑impact, high‑ownership role for an engineer who wants to shape how intelligent automation is experienced by thousands of enterprise users. You will work at the frontier of agentic AI — designing agents that can reason, plan, and act — while also building the full stack infrastructure and interfaces that bring those capabilities to life in a production SaaS environment.

If you are energised by complex systems, semantic reasoning, and the challenge of making AI reliable at scale, this role is built for you.

Key Responsibilities
  • Develop full stack features supporting the deployment, monitoring, and management of AI agents within our SaaS platform
  • Build and extend the RPA agent layer — designing agents that reason, adapt, and operate reliably in production
  • Implement and iterate on semantic context mechanisms that equip agents with structured, domain‑relevant knowledge
  • Create intuitive frontend interfaces that give users visibility and control over agent behaviour and outcomes
  • Integrate with third‑party AI services, LLM APIs, and enterprise data sources
  • Work in a cross‑functional squad alongside product managers, ML engineers, and UX designers
  • Help define technical standards and patterns for agentic system development across the engineering organisation
Required Qualifications
  • Senior‑level full stack engineering experience with a strong track record of delivery in complex systems
  • Strong experience with agentic AI systems — including tool‑use, memory, planning, and multi‑agent coordination
  • Practical knowledge of RPA concepts and automation workflow design
  • Familiarity with semantic context patterns and how to structure and surface knowledge for AI consumption
  • Proficiency across both backend (Python or Node.js) and frontend (React / Type Script)
  • Demonstrated ability to lead technically within a collaborative, cross‑functional team
  • Must have prior remote work experience and be comfortable working autonomously within a distributed engineering team
Preferred Qualifications
  • Experience with orchestration frameworks such as Lang Graph, Auto Gen, or CrewAI
  • Exposure to enterprise integration patterns including event‑driven architecture
  • Background shipping features in a B2B SaaS environment
  • Familiarity with vector databases and embedding‑based retrieval systems
Tools & Technology
  • Python / Node.js
  • React / Type Script
  • Agentic frameworks (Lang Chain, Lang Graph, Auto Gen, CrewAI, or similar)
  • LLM APIs (OpenAI, Anthropic, or similar)
  • RPA platforms and automation tooling
  • Slack, Zoom, Google Workspace
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Position Requirements
10+ Years work experience
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