Senior Artificial Intelligence/Machine Learning Engineer

Ciklum is looking for a Senior Artificial Intelligence/Machine Learning Engineer to join our team full-time in Bulgaria.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Artificial Intelligence/Machine Learning Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.

We are seeking an experienced Senior AI Engineer to join our dynamic team, driving innovation in AI-driven solutions with a global impact. This role is specifically tailored for a highly motivated professional with a strong technical background in Python and Java, hands-on expertise in developing Retrieval-Augmented Generation (RAG)-based chatbots, Machine Learning, Deep Learning, and solid cloud deployment experience, preferably on Azure/AWS.

Responsibilities:

• Lead the design and development of AI-driven applications, particularly focusing on RAG based chatbot solutions
• Architect robust solutions leveraging Python and Java to ensure scalability, reliability, and maintainability
• Deploy, manage, and scale AI applications using AWS cloud infrastructure, optimizing performance and resource utilization
• Collaborate closely with cross-functional teams to understand requirements, define project scopes, and deliver solutions effectively
• Mentor team members, providing guidance on best practices in software development, AI methodologies, and cloud deployments
• Ensure solutions meet quality standards, including thorough testing, debugging, performance tuning, and documentation
• Continuously research emerging AI technologies and methodologies to incorporate best practices and innovation into our products

Requirements:

• Bachelor's or master's degree in computer science, Engineering, Data Science, Mathematics, Statistics or related fields
• At least 5 years of professional experience in AI/Machine Learning engineering
• Strong programming skills in Python and Java
• Demonstrated hands-on experience building Retrieval-Augmented Generation (RAG)- based chatbots or similar generative AI applications
• Proficiency in cloud platforms, particularly AWS and Azure
• Solid understanding of AI methodologies, including natural language processing (NLP), vector databases, embedding models, and large language model integrations
• Experience with leading projects or teams, managing technical deliverables, and ensuring high-quality outcomes
• AWS certifications (e.g., AWS Solutions Architect, AWS Machine Learning Specialty)
• Familiarity with popular AI/ML frameworks and libraries such as Hugging Face Transformers, TensorFlow, PyTorch, LangChain, or similar
• Experience in Agile development methodologies
• Excellent communication skills, capable of conveying complex technical concepts clearly and effectively
• Strong analytical and problem-solving capabilities, with the ability to navigate ambiguous technical challenges

What’s in it for you?

• Regular salary reviews based on performance
• Corporate events: webinars, offline parties, and meetups
• Internal Mobility Program
• Tailored education path (including full access to Udemy, certifications, etc.)
• 25 paid days off: 20 business days of vacation per calendar year + 5 undocumented sick leave days
• Additional health insurance
• 100% company-covered Multisport card, with discounts available for family members

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

Since expanding to Bulgaria in 2022, we’ve been building a fast-growing team that thrives on learning, collaboration, and innovation. Join us on this exciting journey and help shape the future of our delivery center.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

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