Senior AI Software Engineer

The Role

Zenitech is looking for a Senior AI Software Engineer to join our R&D team, focusing on building innovative solutions to help our operations and our clients. You’ll be part of a talented, multicultural team, designing scalable data solutions that drive analytics, reporting, and strategic decision-making for our clients.

What you will do

• Designing, developing and deploying client-specific AI solutions in the system landscape of Zenitech and client companies
• Research & Development
• Translating AI use cases into architectural and technical requirements for development and implementation
• Guiding and empowering junior colleagues in the technical implementation of Generative AI use cases for our clients
• Further developing Zenitech’s AI services portfolio
• Given that this is a fast-evolving field, it’s important to keep track of the latest advancements

Requirements

• 5+ years of experience as a Software engineer and at least 6 months of experience working with Generative AI applications
• Proficient in Python, with experience in other programming languages such as Java, C++ or Go
• A strong focus on machine learning, Generative AI, and business intelligence
• Experience in developing and deploying Generative AI solutions in consulting or industry
• Experience with LLM and foundation models, RAG systems and frameworks (query translation, hierarchical indexing, LangChain, LangGraph), model fine-tuning, deployment etc.)
• Familiarity with data science methodologies, statistical modelling, machine learning frameworks (Scikit-Learn, TensorFlow, PyTorch, Keras), and agile development methodologies
• Experience with different database technologies, especially vector database
• Excellent English skills, strong communication, and ability to translate complex technical concepts to non-technical and management stakeholders

What we offer

• Hybrid working model with remote work opportunities (*) and flexible working hours
• Private Health Insurance
• People Lead system for your personal development
• A culture of continuous growth, providing various training resources
• Referral System
• Agile mindset, simplified processes, and a great atmosphere where commitment and autonomy are celebrated
• A community-first mindset working with talented people across technology products and consulting

(*) As we hire permanent employees for this role, we offer remote opportunities only in Romania, Lithuania and Hungary.

Additional benefits based on location:

Hungary

• 20 vacation days, increasing according to labour law
• Extensive cafeteria package

Lithuania

• 20 vacation days
• 2 emergency days
• Pension plan
• Opportunity to work abroad for up to 180 days per year
• Discounts from the benefit platform

Romania

• 24 vacation days, increased based on the work tenure
• 2 emergency days
• Meal tickets
• Opportunity to work abroad for 2 months

About Us

Zenitech is a leading technology solutions provider dedicated to reshaping the global digital landscape. Headquartered in the UK, Zenitech operates internationally, with offices in Lithuania, Romania, and Hungary.

We use a bespoke approach depending upon where the client is on their digital journey, comprising a combination of access to dedicated R&D labs, technology implementation advice, and specialist nearshore development talent. As an international community of individuals who are open to learn from each other, we collectively define and input into the digital future of the clients’ businesses.

Why Zenitech?

• Impactful Projects: Drive meaningful change through digital transformation projects and have an opportunity to make an impact on many different industries.
• Collaborative Culture: Be part of a diverse, inclusive team committed to growth, innovation, and continuous learning.
• Professional Growth: Zenitech supports continuous learning and development through the People Lead system, helping you advance your skills and career.

Diversity and Inclusion

Zenitech celebrates diversity in all its forms. We aim to create an inclusive environment where everyone feels valued for their unique contributions and perspectives. If you require any adjustments during the application process, please let us know—we’re here to help. Our commitment to diversity, equity, inclusion, and belonging can be found here.