AI Engineer | Banking IT Services

About the Position

AI Engineer | Banking IT Services

Location: Lisboa, PT

Employment Type: Full-time

Company: Swiss Post | IT Campus

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About the Role

You'll join a team responsible for building and evolving a next-generation conversational AI platform for the banking sector. The platform combines generative AI, voice technologies, cloud-native services, and software engineering practices to deliver secure, scalable, and high-quality customer interactions.

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Responsibilities

• Collaborate closely with delivery team members, cross-functional teams, and business stakeholders to deliver complex features on time and to high-quality standards.
• Develop and maintain applications using object-oriented Python and AWS AI services such as Bedrock, SageMaker, and Guardrails.
• Define functional and non-functional requirements for GenAI solutions, including LLM capabilities, AI Agents, and Vector Databases, and contribute to solution concepts and effort estimations for the further evolution of the NGB GenAI platform.
• Analyze and address AI quality challenges, including hallucinations and unexpected bot behavior, ensuring reliable and trustworthy customer interactions.
• Implement and fine-tune GenAI applications within the NGB solution, working closely with software engineering teams throughout development and testing activities.
• Design, provision, and maintain cloud infrastructure using Infrastructure as Code (IaC) principles with Terraform.
• Plan and implement the lifecycle management of Generative AI models and applications following GenAIOps practices.
• Monitor, measure, and continuously improve bot performance based on KPIs, user feedback, and AI-driven evaluation methods.

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Requirements

• Core Skills:

  • Proven experience developing software solutions with object-oriented Python.
  • Strong experience with cloud platforms and managed services, preferably AWS.
  • Experience with Infrastructure as Code and Terraform.
  • Solid understanding of software engineering principles, testing methodologies, and CI/CD practices.
  • Experience designing and implementing Generative AI solutions using:
    • Large Language Models (LLMs)
    • Retrieval-Augmented Generation (RAG)
    • Embeddings
    • Vector Databases
    • AI Agents / Agentic AI
  • Experience with prompt engineering and conversational AI applications.
  • Experience defining evaluation frameworks and quality assurance processes for LLM-based systems.
  • Knowledge of AI security concepts, guardrails, and responsible AI practices.
  • Ability to work independently while collaborating effectively within agile, cross-functional teams.
  • Strong problem-solving skills and an ownership mindset.

• Nice to Have:

  • Hands-on experience with AWS Bedrock, SageMaker, and AWS Guardrails.
  • Experience with observability, monitoring, and evaluation frameworks for AI solutions.
  • Experience in highly regulated environments.
  • Banking or financial services experience.
  • Security certifications or security-related expertise.

• Education:

  • University degree in Computer Science, Information Systems, or a related field, or equivalent practical experience.
  • Generative AI, Machine Learning, or Cloud certifications are highly valued.
  • AWS Certified AI Practitioner.
  • AWS Certified Machine Learning Specialty (or equivalent) is considered a strong advantage.

• Language Skills:

  • English (oral and written)
  • Optional: German (oral and written)

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We Offer

• Open-minded company where every employee has to contribute to the development of the company - ideas are welcome as well as independent thinking.
• 25 annual days of vacations.
• Flexible working hours.
• Annual allowance for Benefits (Training, Gym, Public Transportation, Technologies, etc.).
• An amazing onboarding week in Switzerland.
• iPhone.
• Second Screen to work at home (Flat or a Curved one).
• First month Tech Allowance to buy your headset or, if you already have one, whatever you need to work comfortably.
• Health insurance for you and your family.
• Life insurance.
• Office Perks (coffee, fruit, stand-up desks, etc.).
• So much more...

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About the Company

At the IT Campus, you can grow thanks to challenging IT projects, flat hierarchies, an inspiring environment, and state-of-the-art technologies. You also have the opportunity to build up the IT Campus from scratch. You can work flexibly in terms of time and location and benefit from attractive working conditions.

Swiss Post connects people, brings cultures together, and is one of the largest IT employers in Switzerland: We handle over 400 software projects each year and run more than 1,000 applications – with these figures set to rise in the future.