Principal AI Engineer

Posted Yesterday
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Bengaluru, Bengaluru Urban, Karnataka, IND
In-Office
Expert/Leader
HR Tech
The Role
Lead the architecture and productionization of generative and agentic AI across Magnit’s SaaS platform. Design reliable multi-agent systems, RAG and GraphRAG solutions, MCP tool layers, event-driven pipelines, guardrails, evaluations, observability, and human-in-the-loop controls. Establish AI engineering standards, make build-versus-buy decisions, mentor engineers, conduct reviews, and promote responsible AI practices involving privacy, bias mitigation, auditability, security, latency, and cost.
Summary Generated by Built In

Who We Are
 

Magnit is the future of work. Serving hundreds of the world’s most recognizable brands for the past 30+ years, Magnit offers the industry’s first holistic platform for the modern workforce. Magnit's integrated workforce management (IWM) platform supported by data, software, intelligence, and best-in-class services team is key to our clients’ success. It can adapt quickly to regional or industry economic shifts, and provides the speed, scale, flexibility, transparency, and expertise required to meet an organization’s contingent workforce management, talent strategy and broader organization goals. At Magnit, you’ll work with passionate colleagues who collaborate and deliver meaningful results that positively transform the largest companies around the globe. 

Principal AI Engineer

 

About the Role

We’re hiring a Principal AI Engineer to lead how we design, build, and productize generative and agentic AI, both inside our SaaS platform and across our products. This is a hands-on technical leadership role: you’ll own the architecture for production AI agents, set the standards teams follow to take AI from prototype to production, and mentor engineers along the way.

The hard problems here aren’t model demos. They’re reliable, safe, observable agent systems running in production: orchestration, memory, guardrails, evaluation, and human-in-the-loop control. You’ll be the person we trust to define what good looks like for AI engineering, and to make sure we build it responsibly.

What You’ll Do
  • Own the architecture for generative and agentic AI across our SaaS platform, and stay hands-on in the most complex, critical components.
  • Design and ship multi-agent systems that reason, plan, and execute, including the agentic loops, control flow, and failure isolation that keep them reliable in production.
  • Build agent harnesses, reusable agent skills/tools, and MCP servers as the standard tool and integration layer between models and our systems, APIs, and data.
  • Architect RAG systems (including GraphRAG) that ground outputs in trusted data, and event-driven pipelines that trigger and coordinate agents at scale.
  • Productize agents end-to-end with guardrails, confidence-score-based routing, human-in-the-loop state machines, evaluation harnesses, tracing, and circuit breakers.
  • Embed responsible-AI practices (privacy, bias mitigation, and auditability) directly into the reasoning and execution loops.
  • Set architecture and code-quality standards, run design and code reviews, and mentor engineers; steer teams toward the right technologies and away from hype-driven choices.
  • Make pragmatic build/buy decisions across frameworks, model providers, and orchestration patterns, balancing reliability, latency, security, and cost.
  • Build with AI coding tools and AI-assisted development to raise team velocity and quality, with disciplined review gates.
What You’ll Bring
  • 10+ years in software engineering, with a strong track record shipping production SaaS and large-scale, cloud-native distributed systems (AWS, GCP, or Azure).
  • 5+ years in technical leadership (Staff / Principal / Lead / Architect) driving cross-team decisions and mentoring engineers.
  • Hands-on experience building GenAI applications: LLMs, prompt and context engineering, embeddings, vector databases, and RAG.
  • Proven experience designing and shipping agentic AI systems: multi-agent orchestration, tool/function calling, agentic loops, memory, and autonomous execution, both embedded in a product and standalone.
  • Depth in AI productization: guardrails, confidence-based logic, human-in-the-loop control, evaluation, observability, and reliability of agents in production.
  • Experience building MCP servers (or equivalent tool layers), reusable agent skills, and event-driven architectures.
  • Strong Python plus one of Go, Java, or TypeScript; fluency with modern AI and agent frameworks (e.g., LangGraph, LangChain, CrewAI, AutoGen).
  • Practical experience building products with AI coding tools.
  • Working knowledge of responsible AI: privacy, bias, and auditability.
Nice to Have
  • Building, fine-tuning, and deploying Small Language Models (SLMs) for routing, extraction, classification, and tool-calling, including on-device/edge and privacy-sensitive deployments.
  • MLOps / LLMOps experience and observability/tracing stacks (e.g., OpenTelemetry).
  • Open-source contributions, patents, or publications in AI.
  • MS or PhD in Computer Science, Machine Learning, or a related field (or equivalent experience).

 

What Magnit will Offer You
 

At Magnit, you’ll be joining an innovative, high-growth environment and can quickly make an impact to help transform the largest companies in the world. You will work with passionate colleagues who collaborate and deliver. Magnit offers all employees the opportunity for growth and development, and we want individuals to fulfill their potential and blaze their own trails!
 

Magnit will offer you a competitive PTO and benefits package, including medical, dental, and vision coverage, retirement planning, as well as discounts and perks for tickets, travel, merchandise and more! Magnit encourages employees to participate in giving back, and we will match employee contributions to favorite charities and support corporate volunteering hours to make a difference in your community!
 

If this role isn’t for you

Stay in touch, we will let you know when we have new positions on the team.
To see a complete list of our open career opportunities please visit.

https://magnitglobal.com/us/en/company/careers.html

To do our best work we need different viewpoints. Therefore, we celebrate diversity and embrace inclusion.

 

As an equal opportunity employer, we are dedicated to building a team that represents a variety of backgrounds, perspectives, and skills.  We strive to ensure that we maintain a positive and enriching work environment for all.


By applying to this role, you consent to Magnit safely storing and managing your personal data. Please read this link to learn more.  
https://magnitglobal.com/us/en/privacy-notice.html 

Skills Required

  • 10+ years of software engineering experience
  • Experience shipping production SaaS and large-scale cloud-native distributed systems
  • 5+ years of technical leadership in Staff, Principal, Lead, or Architect roles
  • Experience building generative AI applications using LLMs, prompt and context engineering, embeddings, vector databases, and RAG
  • Experience designing and shipping agentic AI systems, including multi-agent orchestration, tool or function calling, agentic loops, memory, and autonomous execution
  • Experience with AI productization, including guardrails, confidence-based logic, human-in-the-loop control, evaluation, observability, and production reliability
  • Experience building MCP servers or equivalent tool layers, reusable agent skills, and event-driven architectures
  • Strong Python skills plus proficiency in Go, Java, or TypeScript
  • Fluency with modern AI and agent frameworks such as LangGraph, LangChain, CrewAI, or AutoGen
  • Practical experience building products with AI coding tools
  • Working knowledge of responsible AI, including privacy, bias, and auditability
  • Experience building, fine-tuning, and deploying Small Language Models for routing, extraction, classification, and tool-calling
  • Experience with on-device or edge AI and privacy-sensitive deployments
  • MLOps, LLMOps, and observability or tracing stack experience, such as OpenTelemetry
  • Open-source contributions, patents, or AI publications
  • MS or PhD in Computer Science, Machine Learning, or a related field

Magnit Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Magnit and has not been reviewed or approved by Magnit.

  • Healthcare Strength — Direct employees receive medical, dental, and vision coverage as part of a comprehensive benefits package. EOR arrangements are also described as providing access to medical coverage alongside financial wellness tools and on‑demand pay.
  • Leave & Time Off Breadth — Direct employees are offered competitive PTO with additional support for corporate volunteering hours and, in some materials, paid volunteer days. This indicates structured time‑off provisions when engaged as internal staff.
  • Retirement Support — Access to a 401(k) is available to direct employees and is also referenced for workers under EOR programs. Some contractor engagements note availability of 401K options when managed through the platform.

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The Company
HQ: Folsom, California
3,422 Employees
Year Founded: 1991

What We Do

Magnit™ (formerly PRO Unlimited) is a global leader and pioneer in contingent workforce management. Our industry-leading Integrated Workforce Management (IWM) platform is supported by 30+ years of innovation, modern software, proven expertise, and world-class data and intelligence. It enables companies to optimize talent and diversity goals while achieving operational and financial success. With Magnit, companies can adapt quickly to the evolution of work to grow their extended workforce with greater agility, transparency, and speed.

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