AI Engineer
Job Description
We are looking for a full-time AI Engineer to join K3Y Ltd, a fast-growing SME with presence in Bulgaria and Greece. K3Y Ltd is one of the most dynamic and vibrant technology companies in Bulgaria, Greece and Europe, dealing with deep tech topics like cybersecurity, data privacy, artificial intelligence, 6th generation of cellular networks and next generation Internet of Things. K3Y Ltd invests in innovative and sustainable software solutions and tools, while delivering professional services and consulting worldwide. Participating in more than 24+ illustrious EU-funded projects (H2020, Horizon Europe, Erasmus+ and more), K3Y Ltd is set to emerge as a leading technology and service provider by materialising innovation into business and market solutions in the Balkans, Eastern Europe, across Europe and worldwide.
As a full-time AI Engineer in our R&D Department in Sofia, Bulgaria or in our Business Development & Innovation Department in Thessaloniki, Greece, you will take ownership of the full lifecycle of AI/ML solutions, from conception through to production deployment, within the EU-funded projects K3Y participates in. You will work alongside R&D teams and external consortium partners, contributing technically and operationally to project objectives. You will translate research outcomes into robust, maintainable software artifacts, while proactively identifying improvements and proposing innovative directions. You will also be expected to produce high-quality technical outputs and to represent K3Y at international events, reviews, and partner engagements.
Responsibilities
- Oversee the complete development lifecycle of AI/ML systems, ensuring alignment with both research goals and practical deployment requirements.
- Build robust data processing pipelines and apply advanced analytical and statistical techniques to extract actionable insights from complex datasets.
- Train, evaluate, and continuously refine deep learning and machine learning models, prioritising interpretability, robustness, and efficiency.
- Contribute to the team's engineering culture by introducing and maintaining quality standards including automated testing, version-controlled releases, and scalable deployment workflows.
- Produce clear and thorough technical documentation and research deliverables targeting both scientific and non-technical audiences.
- Coordinate and contribute to project planning activities, tracking progress against milestones and facilitating cross-team communication.
- Attend and actively participate in project reviews, international conferences, and collaborative events on behalf of the company.
Basic Qualifications
- BSc in Computer Science, Engineering, ICT or related fields.
- Solid hands-on experience with Python and familiarity with major deep learning libraries such as PyTorch or TensorFlow.
- Practical background in training and validating models on GPU-based and distributed computing environments.
- Working knowledge of containerization tools and orchestration platforms (e.g. Docker, Kubernetes/Kubeflow).
- Comfort with version control workflows (GitHub/GitLab) and continuous integration/delivery practices.
- Demonstrated ability to manage secure server environments and remote computing resources.
- Clear and effective communicator, capable of conveying technical concepts to diverse audiences.
Preferred Qualifications
- MSc or/and Doctor of Philosophy (PhD) in scientific or engineering field, preferably in computer science, electrical engineering or ICT.
- Prior involvement in EU-funded research or innovation projects.
- Hands-on experience with relational and non-relational databases.
- Familiarity with data security practices, including anonymization, encryption, and GDPR compliance.
- Background in immersive technologies such as VR/AR development using Unity Game Engine.
Benefits
- Friendly, motivated, and inclusive team with a strong European and International network.
- Competitive remuneration package based on qualifications and experience.
- Exposure to multinational and multicultural environments.
- Diversity of challenges, experience and working teams.
- Opportunity to enrich your skills and experience by working with experienced and talented professionals.
- Flexible working hours.
- Career progression opportunities.
Selection Process
- Interested applications will be invited for a remote or on-site interview.
- Only short-listed applications will be invited to the selections process.
- For more information about the Job Offer, you can contact: [email protected]
Equal Opportunities
K3Y Ltd is proud to be an equal opportunity workplace. We are committed to equal employment opportunity without unlawful regard to race, colour, ancestry, religion, gender, national origin, sexual orientation, age, citizenship, marital status, disability, veteran status, or other local legally protected characteristics.
Preferred Starting Date
No fixed starting date. We are looking forward to filling the job position as soon as possible.
To apply, K3Y Ltd invites applicants to send a detailed CV to the following email address: [email protected] with the title "Application for the position of the AI Engineer" in the subject.