Generative AI Engineer
Milestone Systems.com
Office
Barcelona, Spain
Full Time
What if your next role let you shape the future of AI—and do it with empathy, responsibility, and real-world impact? One of the biggest challenges and opportunities with artificial intelligence is around the data used to train AI models, and how to do that responsibly and ethically whilst governing data protection, applying AI regulations, democratize knowledge and balance individual rights with societal benefits.
As a GenAI data engineer in Project Hafnia, you will be responsible for preparing the data and pipeline for advanced fine-tuning of General-purpose AI models and generate diverse, high-fidelity synthetic visual data that can enhance computer vision model performance and coverage. Your capacity to bridge software engineering, prompt engineering, and data operations will be critical in using and scaling our data assets with the right quality and diversity. You will collaborate with a cross-functional team to contribute to advanced annotations and training mechanisms, drive synthetic data generation, ensuring best practices and compliance with industry standards.
You will join our innovative and entrepreneurial development team at Milestone global leader in data-driven video management solutions. Our mission is to build a suite of services surrounding a responsible data library as its core, leveraging compliant, high-quality and ethically sourced video data. To achieve that, we follow our long-term strategy, continuously scrutinize the emerging AI and stick to our ethical tech and responsible use of technology agenda.
Your Owned Perimeter:
As a GenAI Data Engineer, you will be responsibilities and be the main point of reference for:
- Orchestrate general purpose AI model training, selecting and preparing data, while experimenting at scale on our infrastructure at the edge of innovation.
- Design and generate high-quality synthetic data, taking into overwatching and experimenting with prompts and various video and image based scenarios.
- Gatekeep of data quality and diversity: develop methods to validate, test, and iterate on datasets to ensure they meet quality, standards and avoid unintended bias.
- Collaborate with our machine learning and computer vision experts to understand model limitations and identify data needs for the next use cases.
- Contribute to build and automate the data pipeline to scale the caption, generation and quality evaluation of our data.
- Lead the generative AI data strategy, track, control and document the long-term effects of data (real and synthetic) on computer vision models.
Where skill meets impact!
You might be the person we are looking for if you bring curiosity and craft and if you are passionate about data generation and have a deep understanding of prompt strategies. Key qualifications include:
Dream Technical Skills:
- Statistical data sense, capacity to analyze and crunch number to evaluate dataset distributions, detect anomalies and ensure diversity.
- Prompt engineering experts – ability to create and refine prompts for video GenAI with a creative and experimental mindset.
- Played around with Nvidia Metropolis or other vision AI application platform.
- Proficiency in Python to experiment and support the integrations of fine-tuning architecture and automated synthetic data pipelines.
- Knowledge of machine learning to understand frameworks and AI training workflows.
- Bonus for knowledge of ETLs or cloud -based orchestration tools (e.g. Airflow).
Expected Experience Or Equivalent:
- Hands-on experience with data processing, generative AI tools or transformer models.
- Experience with synthetic data generation in a professional context where willingness to learn is es-sential.
- Proven experience working within or next to an engineering team at the edge of technology
- Experience in data quality and assessment
- Familiarity with responsible AI, bias mitigation and data protection best practices
About project Hafnia and our team:
You will join about 25 fantastic colleagues in a fast-growing and broadly international team that besides the engineering core counts profiles across go-to-market, community, compliance, strategy and more. We operate as an autonomous product team and share an entrepreneurial mindset and a firm belief that we can cover new grounds to the benefit of the world. We work with trust, collaboration and flexibility as our foundations.
What else can Milestone offer you:
In addition to the exciting challenges of this role, Milestone provides:
- Opportunities for professional growth and development.
- A supportive company culture and inclusive workplace environment.
- Daily meals, snacks, and beverages in our canteen.
- Office amenities such as company bikes, a gym, massages, and Friday gatherings.
- Monthly company events for team bonding and enjoyment.
Location, Application And Contact:
Ideally, your base will be within regular travelling distance of our HQ in Copenhagen or our Madrid office but if you are the right profile, other options are possible.
We would like to receive your CV in English, avoid pictures; and cover letter won’t even be read. If you have any questions, you are very welcome to contact our Engineering Manager, Fulgencio Navarro (+34 662024273)
We would like you to start as soon as possible, and we will hire on an ongoing basis as we interview candidates.
Join us in shaping the future of video management through engineering and innovation. Let’s build products, services and your career in a meaningful way together
A few more info about Milestone - help us make the world see:
You will join Milestone, international company in rapid growth with development sites in Denmark, Bulgaria and Spain – and offices all over the world. We are technology driven as we are developing and maintaining one of the most advanced video surveillance systems in the world. Innovation is not only important for us. It is a part of our DNA just as responsible use of technology which we actively support. We believe in trust, mutual respect, a healthy work life balance and room for all voices to be acknowledged. As such, we expect you to engage, speak up, and make a difference for our customers, your colleagues and yourself. Read more at milestonesys.com
Generative AI Engineer
Office
Barcelona, Spain
Full Time
September 18, 2025