Principal/Senior/Mid – AI/ML Engineer

Mission

Are you ready to take part in the upcoming AI revolution of the business world? If the answer is a resounding "yes," we have an extraordinary opportunity for you!

About the Role

We are looking for AI/ML Engineers who are passionate about the power of AI and love building robust AI/ML systems: people who turn models into reliable, scalable products, and ensure our AI solutions are production-ready, efficient and impactful. Your job is to build and scale the AI/ML infrastructure and pipelines that power Aily's decision intelligence platform.

About this Team - AI Platform

The AI Platform team is the backbone of client's decision intelligence.They design, build, and operate libraries, tools, and the shared AI/ML infrastructure that enables AI & Data teams to empower business-critical decision-making for their enterprise users.

Core Responsibilities (by seniority)

Mid AI/ML Engineer - 2+ years of experience

• Partner with Data Scientists and Engineers to bring AI solutions to production
• Design and implement end-to-end ML pipelines (data→model→deployment→monitoring) autonomously
• Contribute to APIs, tools, and libraries used by more than 100 AI team members daily (including Cloud & LLM Infrastructure and AI-driven features)
• Communicate with your team: present results and findings, identify gaps and opportunities
• Requirements: Solid AI/ML fundamentals, strong Python, APIs/K8s/Docker/Cloud experience, mentor junior team members on technical topics

Senior AI/ML Engineer - 4+ years of experience

• All of the above +
• Own complex projects, lead technical initiatives from design to implementation (refactoring, standardization)
• Ensure the quality of your own and your teams' developments
• Interact with other functions and agree on exchange protocols and architecture design (DevOps, Front End, Data Engineering, Back End, ...)
• Sponsor the creation and implementation of new software and ML standards in the AI team
• Requirements: Strong software engineering practices, deep AI/ML knowledge, outstanding problem-solving skills, ability and willingness to lead and mentor

Principal AI/ML Engineer - 6+ years of experience

• All of the above +
• Shape AI Platform strategy across teams and be a technical reference for the AI team
• Lead cross-team design sessions, define, enforce, and maintain org-wide standards
• "Make things happen" at scale, manage leadership pressure
• Lead a team of 4+ AI/ML Engineers and own their roadmap
• Requirements: Driven by impact and value, able to lead multiple technical initiatives in parallel, mastery in the modern AI/ML stack (AWS, FastAPI, Docker, K8s, Python, CI/CD, Airflow, Agentic coding, concurrency, etc)

Who We're Looking For (all levels)

• You are impact-driven and thrive at the intersection of AI, business, ML engineering, and product
• You want to build real systems that power decision-making at scale
• A builder: you enjoy shipping reliable solutions, improving systems and tooling, and making things work in production at scale
• A strong collaborator who enjoys working with Data Scientists, Product Managers, and Engineers, and can explain trade-offs and designs in simple terms
• Someone with a startup mindset: comfortable with ambiguity, proactive, hands-on, and willing to improve things beyond your immediate scope
• Ready to Lead Boldly - helping Aily and its customers scale AI systems that enable faster, smarter decisions every day

Location & Details

• Location: Cluj-Napoca, Romania
• Contract type: Permanent
• Work policy: Hybrid (2 days per week in the office)

For questions about this role, please reach out to our Recruiting team at recruiting@principal33.com.