Principal Tech Software Engineer AI - Agentic AI

Location: Lisbon, Portugal / Krakow, Poland

Working Pattern: Fully Remote (Portugal) ; Hybrid (Poland)

Join our AI Delivery & Engineering team and provide principal-level technical leadership for reusable enterprise AI capabilities. You'll help ensure that agentic AI solutions are secure, reliable and scalable while advancing PMI's smoke-free future.

Impact You'll Own

• Define engineering standards for reusable agentic AI capabilities, improving interoperability, reliability and maintainability.
• Strengthen solution quality through architecture, code, configuration and evidence reviews.
• Guide decisions on agent versus workflow design, asset reuse and appropriate autonomy levels.
• Advance safe, traceable agent behavior through authorization, human oversight, recovery and evaluation.

What You'll Do

• Defining standards for agent and tool contracts, orchestration, state, context, memory, grounding and bounded autonomy.
• Review supplier architectures, code, configurations, tool interfaces and engineering evidence.
• Guide partners on agents, simpler workflows, reusable assets and justified new development.
• Set expectations for action authorization, human approval, safe stopping and recovery.
• Partner with Quality and Testing to assess behavior, grounding, regressions and traces.
• Review operational readiness, including observability, dependencies, recovery and support handover.

Skills And Capabilities

Must-haves

• Degree in Computer Science, IT, Software Engineering or a related discipline.
• Enterprise software engineering experience in cloud-native and distributed systems.
• Hands-on enterprise AI engineering experience, including architecture, code, integrations and readiness review.
• Deep knowledge of agentic AI orchestration, bounded autonomy and enterprise tool integration.
• Experience with agent and tool contracts, interoperability, workflow composition and dependencies.
• Knowledge of context, memory, retrieval and grounding, authorization and human oversight.
• Experience with observability, AI evaluation and realistic failure analysis.
• Strong secure software development, CI/CD, testing and reliability foundations.
• Proven technical leadership through standards, reviews and supplier assurance.
• Strong communication, cross-team influence, mentoring and documentation skills.

Nice-to-have

• Advanced study in AI/ML, distributed systems or cloud/platform engineering.

Rewards and Benefits

Permanent local contract with a competitive salary plus Tabaqueira employee benefits including:

• Life and Health insurance
• Employee Pension Plan
• 26 holiday days
• National and international growth opportunities
• Diverse and international work environment

For Poland: no less than 327660 PLN gross per year.

Equal Opportunities Statement

We believe that diverse perspectives and experiences make us stronger. As an equal opportunity employer, we are committed to creating a workplace where every individual feels welcomed, respected, valued, and empowered to reach their full potential.

We encourage applications from people of all backgrounds and identities, and provide reasonable accommodations to ensure an accessible recruitment process. If you need support or adjustments during your application, let us know. We're here to help you succeed.

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