Senior AI Software Engineer

United Kingdom

About us

Lucanet is the CFO Solution Platform built for modern finance leaders to automate consolidation and financial planning, extended planning and analysis, disclosure management, ESG reporting, lease accounting, tax compliance and reporting, as well as banking and cash management. More than 5,500 companies around the world rely on our easy-to-use and out-of-the-box SaaS platform to help them lead with ease.
We are a team of game changers with 850+ people worldwide. Our culture of kindness and integrity encourages you to bring your whole self to work. We collaborate to create better software solutions and grow a better company. Lucanet is more than a place to work; we are a champion for continuous improvement, pushing boundaries, impacting industries, and growing careers.

As our teams at Lucanet continue to expand, we are seeking talented engineers to join our ranks and contribute to our ongoing transformation into a cloud-native , GenAI fueled SaaS platform. Our team in Romania is playing a crucial role in driving the evolution of CFO Solution Platform, propelling us forward as a market leader. These hires will augment our existing Software Engineering teams to support the development of our AI capabilities.

As an Principal / Senior AI Software Engineer, you will utilise your technical knowledge to build our AI Core foundation into our cloud-native SaaS platform.

This role is ideal for innovative developers eager to design, implement and integrate into Lucanet ecosystem scalable AI solutions, focusing on APIs, RAG architectures, and agentic frameworks. It’s an exciting opportunity to shape the future of our platform, to work in an agile environment, with the latest technologies including AI based coding assistants and bring your ideas to life.

• Design and implement scalable AI/ML solutions, focusing on APIs, RAG architectures, and agentic frameworks
• Work closely with cross-functional teams, product managers to understand business requirements and translate them into technical specifications
• Test and deploy software solutions that meet business needs
• Participate in code reviews to ensure code quality and consistency
• Becoming well recognized as an internal AI expert, driving key AI initiatives from concept to deployment supporting the transformation into an AI first company
• Mentor team members

• Strong coding skills in any OOP languages (backend development)
• Proficient in Python programming with experience in AI/ML libraries such as Lang Chain, Pydantic
  
  AI, Num Py
• Expertise in Large Language Models (LLMs) including fine-tuning, prompt engineering, and working daily with models like GPT, Claude, Gemini
• Hands-on experience with vector databases (e.g., Open Search, FAISS) for efficient similarity search and semantic search & retrieval of text embeddings
• Skilled in implementing conversational AI systems leveraging APIs like OpenAI Chat Completion and Assistant endpoints
• AWS, Terraform, Git Hub Actions (CI/CD), Monitoring Tools, Scripting and Automation languages
• Experience with agentic architectures, designing autonomous systems that combine multiple AI components to perform complex tasks (would be a great plus)
• Understanding of Model-Context-Protocol (MCP) and how to build AI agents that can leverage MCP servers (would be a great plus)
• Knowledge of Retrieval-Augmented Generation (RAG) techniques to enhance model responses by integrating external knowledge bases during inference (would be a great plus)

• Luca Flex– We acknowledge that every individual has different working styles and preferences. Our flexible working model allows you to plan your working hours and location according to your needs and professional responsibilities.
• Work from Abroad– Sometimes a change of scenery can boost creativity and productivity, you can work up to 90 workdays outside your home country with the support from our partner Workflex..
• Team Spirit– We value teamwork and celebrate our achievements. That’s why we take many opportunities to get together, learn together, and cherish our successes together.
• Learning & Development– We…