Senior AI Engineer

Position Overview

Our client is seeking a Senior AI Engineer to lead prompt engineering initiatives and provide technical support to business users. This role is focused on enabling business people across the organization to effectively utilize and maximize AI solutions. You will be the technical expert who coaches and supports users in crafting effective prompts and implementing AI tools within their workflows.

Key Responsibilities

1. Prompt Engineering Excellence
   • Develop, refine, and establish best practices for effective prompt engineering across the organization.
   • Support and coach business users in crafting prompts to maximize AI solution utilization.
   • Create comprehensive guides, templates, and resources for prompt engineering.
   • Troubleshoot and optimize prompts for better outcomes.
2. Business User Support & Enablement
   • Provide hands‑on technical support to business users implementing AI solutions.
   • Conduct training sessions on AI tools and prompt best practices.
   • Help integrate AI tools into business workflows and processes.
   • Document and share technical learnings and case studies across the organization.
3. Technical Leadership
   • Stay current with AI platforms, tools, and emerging capabilities.
   • Evaluate new AI solutions for organizational use.
   • Mentor junior technical staff on AI implementation.
   • Lead technical communities of practice and knowledge‑sharing initiatives.

Required Qualifications

• Minimum 5+ years of experience with AI, machine learning, and/or LLM technologies.
• Advanced expertise in prompt engineering and AI tool utilization.
• Deep technical knowledge of AI capabilities, limitations, and best practices.
• Strong ability to break down complex AI concepts into practical guidance.
• Excellent communication skills, particularly with non‑technical business users.
• Experience in technical training and mentoring.
• Hands‑on experience with multiple AI platforms and tools.

Preferred Qualifications

• Advanced degree in Computer Science, AI, or related field.
• Certification in AI/ML or related technical areas.
• Experience with AI model fine‑tuning and customization.
• Knowledge of AI governance and responsible AI practices.

Benefits

• 25 vacation days.
• 2 additional volunteering days to support your passion project.
• 3 extra wellness days on top of vacation days and a Mental Health First Aider and Employee Assistance program.
• Health insurance (also possible for family members).
• Cutting‑edge technology and latest IT tools.
• Software‑house environment.
• Agile and flexible working hours.
• Hybrid working: expectation of 1 day per week or 4 days per month in the office.
• Digital nomad policy.
• Focus on career development and full access to Dentsu Academy, our global online learning platform.
• Beers, foosball, and ping‑pong.
• Free breakfast every second Wednesday of the month.
• Employee discounts.
• Team & company events.
• Referral bonus program.

Location & Employment Information

Location: Lisbon
Brand: Merkle
Time Type: Full time
Contract Type: Permanent

Equal Opportunity Statement

At dentsu, Diversity, Equity, and Inclusion (DEI) is central to our vision: "To be at the forefront of people‑centered transformations that shape society." We cherish the unique talents and perspectives of all individuals, welcoming applicants regardless of gender, gender identity, nationality, religion, ethnicity, cultural background, sexual orientation, age, physical or mental ability. By embracing diverse perspectives, we create meaningful change and sustainable growth for our people, clients, and society. Our hiring decisions are guided by qualifications and role‑specific requirements, ensuring a workplace free from discrimination and harassment.

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