Staff AI Platform Engineer

Trustly, Inc.; San Francisco, Northern (CA, KY); Hybrid; USD 180,000 - 260,000; Full time

Benefits offered by this job

Flexible paid time off

Comprehensive medical, dental, vision

FSA & HSA plans

Home office setup allowance

Internet stipend

401k match

Gender-neutral parental leave

Job summary

Trustly, Inc. is looking for a Staff AI Enablement Engineer to shape how teams across the company adopt AI at scale. You will design internal platforms, evaluation frameworks, and tooling to streamline AI adoption for engineers, finance, legal, operations, and sales.

This high-autonomy role requires deep expertise, mentoring ability, and a passion for turning prototypes into reliable production systems. You’ll partner with product and engineering to embed AI into core products, set robust

Qualifications

• 8+ years of software engineering with AI/ML in production.
• Hands-on with LLMs, RAG, fine-tuning, function calling.
• Strong production-grade code and observable, testable systems.
• Experience operating at Staff+ scope, mentoring engineers.
• Proven ability to scale AI capabilities from prototype to production.

Responsibilities

• Design, build, and maintain Trustly's core AI platform with LLM integration infrastructure and evaluation pipelines.
• Embed AI capabilities into core products: payments, risk, fraud detection, developer tooling, and surfaces.
• Establish and own evaluation standards for AI systems, including testing for quality, safety, latency, cost, and reliability.
• Lead technical discovery on high-ambiguity problems—evaluate new models and architectures; provide data-driven recommendations.
• Create reusable libraries, patterns, and enablement resources to reduce barriers for teams adopting AI.
• Collaborate with leadership to influence the technical roadmap and represent engineering constraints.

Skills

AI/ML systems

LLM infrastructure

Prompt engineering

Agentic workflows

Production-grade code

Mentoring engineers

System design

Cross-team collaboration

Job description

Trustly, Inc. is looking for a Staff AI Enablement Engineer to shape how teams across the company adopt AI at scale. You will design internal platforms, evaluation frameworks, and tooling to streamline AI adoption for engineers, finance, legal, operations, and sales.

This high-autonomy role requires deep expertise, mentoring ability, and a passion for turning prototypes into reliable production systems. You’ll partner with product and engineering to embed AI into core products, set robust