Senior AI Product Engineer: Build Production AI Workflows

PayFit Ltd.; Paris; Remote; EUR 90,000 - 130,000; Full time

Benefits offered by this job

MacBook provided

Home office budget

GymLib subscription

Job summary

PayFit Ltd. is seeking an experienced software engineer to join the AI Enablement team in a remote-friendly role across France/Spain. You will partner with business units to design AI-powered workflows, build integrations, and ship production-ready features with strong emphasis on accuracy and safety.

The role requires 7+ years of experience, proficiency with AI workflows, and a product-centric mindset to deliver reliable, scalable solutions across PayFit's core systems.

Qualifications

• 7+ years of software engineering experience.
• Proven hands-on experience building with LLMs, agents, tools, or AI workflow automation in production.
• Product sense: transition from ambiguous business problems to reliable production solutions.
• Care for security, permissions, evaluation, observability, and maintainability in AI-enabled systems.
• Comfort working directly with non-technical users and collaborating across engineering and business teams.
• Ownership mindset across the full cycle: discovery, delivery, production quality, and iteration.

Responsibilities

• Partner with business users to map workflows and turn needs into AI-powered solutions that teams actually adopt day-to-day.
• Design and implement integrations with APIs, applications, and data sources; build agent orchestration, retrieval, and custom capabilities.
• Ship production-ready AI features with evaluation, monitoring, exception handling, and human review where needed to ensure accuracy and safety.
• Prioritise opportunities with named business owners, clear baselines, and selection criteria focused on value, feasibility, and readiness.
• Iterate using user feedback and quality/time-saved signals to continuously raise reliability and adoption.
• Co-develop reusable components, permissions, and human interaction patterns with the Application Framework team to scale safely.
• Increase autonomy in business teams by creating templates, training local champions, and establishing clear ownership for ongoing operation and improvement.

Skills

Software engineering

LLMs & AI workflows

Product sense

Security & observability

Cross-functional collaboration

Ownership mindset

Job description

PayFit Ltd. is seeking an experienced software engineer to join the AI Enablement team in a remote-friendly role across France/Spain. You will partner with business units to design AI-powered workflows, build integrations, and ship production-ready features with strong emphasis on accuracy and safety.

The role requires 7+ years of experience, proficiency with AI workflows, and a product-centric mindset to deliver reliable, scalable solutions across PayFit's core systems.