AI Field Engineer

About Arize

AI is rapidly transforming the world. As generative AI reshapes industries, teams need powerful ways to monitor, troubleshoot, and optimize their AI systems. That’s where we come in. Arize AI is the leading AI & Agent Engineering observability and evaluation platform, empowering AI engineers to ship high-performing, reliable agents and applications. From first prototype to production scale, Arize AX unifies build, test, and run in a single workspace—so teams can ship faster with confidence.

We’re a Series C company backed by top-tier investors, with over $135M in funding and a rapidly growing customer base of 150+ leading enterprises and Fortune 500 companies. Customers like Booking.com, Uber, Siemens, and PepsiCo leverage Arize to deliver AI that works.

Note: The nature of this role requires candidates to be based in the Buenos Aires area, though there isn't an in-office requirement.

The Opportunity

This is a client-facing technical role for someone who thrives at the intersection of deep engineering, AI expertise, and business impact. You’ll lead multiple concurrent projects, solve complex problems under tight timelines, and build lasting relationships—helping customers unlock the full potential of our platform and services. This is a unique chance to combine technical depth with real-world impact. You’ll be on the front lines helping some of the most innovative companies operationalize AI—while shaping how our professional services team scales. If you love building, problem-solving, and working directly with world-class teams, this role is for you.

What You’ll Do

Drive Technical Delivery: Lead the design and implementation of custom AI solutions that extend and complement our core SaaS platform.

Partner with Clients: Collaborate closely with client engineering teams, often embedded within their workflows, to build and optimize production AI systems.

Measure Impact: Define and monitor statistical metrics, KPIs, and heuristics to track model performance and business outcomes.

Troubleshoot and Optimize: Diagnose and resolve complex technical challenges across diverse architectures and environments.

Lead Engagements: Manage 3–4 concurrent client projects, balancing timelines, priorities, and executive-level communication.

Shape Our Practice: Partner with sales and product teams to scope new engagements, develop service packages, and define best practices as our professional services function grows.

What We’re Looking For

Technical Expertise

2–5 years of hands-on software development experience, ideally in Python

Proven experience developing and deploying machine learning models in production

Strong understanding of AI architectures, orchestration frameworks, and deployment strategies

Deep familiarity with statistical metrics, performance evaluation, and data-driven experimentation

Comfort working across cloud platforms and containerized environments

Client & Business Acumen

Confident and empathetic communicator who can translate complex technical concepts for business stakeholders

Skilled at managing multiple client relationships and deliverables simultaneously

Experience in fast-paced startup or consulting environments where adaptability is key

Ability to spot and articulate new opportunities for client value and service expansion

Mindset

Low ego, collaborative, and eager to solve hard problems

Comfortable navigating ambiguity while driving toward results

Excited to be part of a growing team building something new

Actual compensation is determined based upon a variety of job related factors that may include: transferable work experience, skill sets, and qualifications. Total compensation also includes unlimited paid time off, generous parental leave plan, and others for mental and wellness support.

More About Arize

Arize’s mission is to make the world’s AI work—and work for people.

Our founders came together through a shared frustration: while investments in AI are growing rapidly across every industry, organizations face a critical challenge—understanding whether AI is performing and how to improve it at scale.

Learn more about what we're doing here:

Diversity & Inclusion @ Arize

Our company's mission is to make AI work and make AI work for the people, we hope to make an impact in bias industry-wide and that's a big motivator for people who work here. We actively hope that individuals contribute to a good culture

Regularly have chats with industry experts, researchers, and ethicists across the ecosystem to advance the use of responsible AI

Culturally conscious events such as LGBTQ trivia during pride month

We have an active Lady Arizers subgroup