Visionary AI & Automation Developer

About

YONDERLAND

We are convinced that outside is exciting, relaxing, and inspiring.

It’s versatile, for some it is a place to relax, for others it is the ultimate challenge.

A place to enjoy and where big and small moments come together.

It’s a place to be discovered or recognized.

But the outdoors can also be treacherous and unpredictable.

Weather and terrain can surprise you.

Our mission is to enable all people to spend inspiring and epic moments outside.

Yonderland is a European group of premium brands and retail concepts focused on outdoors.

Including A.S.

Adventure, Juttu, Bever, Cotswold, Snow+Rock, Runnersneed and Ayacucho.

Yonderland runs over 190 shops in Belgium, Luxembourg, France, Great-Britain and The Netherlands and resides in Belgium. https://www.yonderland.com/

About

THE JOB OPENING

WE ARE LOOKING FOR A VISIONARY AI & AUTOMATION DEVELOPER TO JOIN OUR TEAM

We are looking for an experienced Senior AI Developer to join and help lead our AI and Automation team.

You'll guide the exploration of what's possible with LLMs, agents, and emerging AI capabilities, while mentoring others and setting technical direction.

This role is perfect for someone who has been deep in the AI space, loves pushing boundaries, and wants to share their expertise while continuing to learn in this rapidly evolving landscape.

YOU WILL

Lead the exploration and evaluation of cutting-edge LLM platforms, agent frameworks, and AI tools

Design and architect AI-driven solutions that scale from proof-of-concept to production

Mentor mid-level and junior developers, sharing your knowledge and fostering a culture of experimentation

Collaborate with leadership to identify strategic opportunities where AI can transform workflows and business processes

Build sophisticated prototypes and production systems that demonstrate the art of the possible

Stay ahead of the curve on emerging AI technologies and guide the team on what's worth adopting

Participate in (and sometimes lead) technical design discussions

Bridge the gap between experimental AI capabilities and practical business value

Contribute to the team's technical roadmap and strategic vision for AI and automation

YOU HAVE

5+ years of development experience with at least 2+ years deeply focused on AI/LLM applications

Proven programming skills in Python and experience with multiple technology stacks

Proven track record of building production AI systems or substantial personal projects that showcase advanced AI capabilities

Deep hands-on experience with LLMs, agent frameworks, and the broader AI ecosystem

Has not just played with agents and LLMs, but has built complex systems with them and understands their limitations

Understands the nuances of prompt engineering, context management, reliability patterns, and when AI is (and isn't) the right solution

Experience mentoring or leading other developers

Strong system design skills and ability to architect solutions that balance innovation with pragmatism

Excellent at explaining complex technical concepts to both technical and non-technical audiences

Thrives in fast-paced environments where the technology landscape shifts rapidly

Track record of turning experimental ideas into real-world impact

It will be nice to have

Deep understanding of transformer architectures, embeddings, vector databases, and RAG systems

Experience with MLOps, monitoring AI systems in production, and managing AI-related costs

You've built multi-agent systems or complex agentic workflows

Experience with AI safety considerations: prompt injection, output validation, reliability engineering

Background in machine learning, NLP, or related fields (formal education or self-taught)

Experience leading technical initiatives or projects from conception to delivery

WHAT MAKES YOU EXCITED

Discovering novel approaches to problems that seemed unsolvable months ago

Seeing a new AI capability and immediately prototyping three different applications for it

Helping a teammate have their "aha!" moment about how to use AI effectively

Debating the trade-offs between different architectural approaches with the team

Building something that fundamentally changes how work gets done

The challenge of making unreliable AI systems reliable enough for production

Staying at the bleeding edge of a field that's evolving faster than any in recent history

Creating leverage by sharing knowledge and elevating the entire team's capabilities

About

THE AI AND AUTOMATION TEAM

You'll be joining a team dedicated to exploring how AI can transform the way we work.

As a senior member, you'll help shape:

The technical vision and roadmap for AI-driven automation solutions

Engineering standards and best practices for AI development

A culture of curiosity, rigor, and continuous learning

How we balance innovation with reliability and production-readiness

The growth and development of other team members

Our approach to staying current in an incredibly fast-moving field

We believe the best senior AI developers are those who combine deep technical expertise with genuine curiosity and a passion for sharing knowledge.

If you've been building sophisticated AI systems, have strong opinions (loosely held) about what works, and are excited about leading a team that's pushing the boundaries of AI and automation, we'd love to talk.

WE HAVE

An office at Lionesa Business Hub

job + without term contract

Health insurance

26 days of vacations

Flexible work Professional development opportunities

Trainings

Collaborative and inclusive work environment

Team events like summer parties, Christmas events and much more!

If this fits your career expectations apply now to susana.cunha@yonderland.com and speak to Susana - our HR Manager.