Senior AI/ML/Python Developer

About the job

About us

Holycode Products is a well-established full service web agency that builds innovative digital solutions. Our team consists of 70+ top-notch IT professionals who work together on exciting projects and keep abreast of the latest trends in the IT industry.

To reach our ambitious goals, we are looking for a highly motivated employee for the position of a Senior AI/ML/Python Developer that offers you the opportunity to join a fast-growing technology organization that is shifting productivity paradigms in the software engineering industry.

Responsibilities

• Focus on crafting intuitive and engaging solutions
• Ensure a seamless user experience through performance optimization and usability testing
• Analyze customer requirements, develop and implement proposals and digital solutions
• Collaborate with other cross-functional team members to understand requirements, and design, develop, and maintain solutions end-to-end
• Implement AI/ML solutions and services
• Build and deploy production-ready machine learning models and AI systems
• Develop and optimize large language model (LLM) applications, including prompt engineering and API integrations
• Create and maintain data processing pipelines, including feature engineering and data validation systems
• Monitor and tune model performance, costs, and resource utilization
• Establish evaluation metrics and testing frameworks for AI systems
• Stay current with AI/ML research and implement new techniques when applicable
• Implement Python solutions
• Build and deploy production-ready backend APIs
• Implement various integrations with 3rd parties such as payment providers, KYC providers etc
• Do code reviews, support the software development team during implementation with an active contribution to code if required
• Maintain documentation and contribute to technical specifications
• Work in an agile environment with a strong focus on delivering high-quality code
• Collaborate closely with development, product management, and other teams to ensure the best results.
• Stay abreast of industry trends, emerging technologies, and best practices in software quality assurance.

Requirements

• Bachelors degree in computer science, computer programming, software engineering, or a related technical field
• At least 5 years of professional experience as a Python developer or AI/ML engineer
• Experience with a deep learning framework
• Strong foundation in mathematics (linear algebra, calculus, statistics)
• Experience integrating and working with LLM APIs
• Knowledge of LLM frameworks
• Demonstrated success in prompt engineering and LLM application development
• Expertise in data preprocessing, feature engineering, and ETL pipelines
• Experience with RAG systems and vector databases
• Experience with cloud ML services
• Knowledge of API orchestration and context management for LLM systems
• Experience with traditional ML algorithms
• Strong communication and collaboration skills, with ability to explain complex technical concepts to diverse stakeholders
• Proficiency in using versioning tools (Git), Docker, and MLOps practices
• Familiarity with MLOps tools
• Expertise in specialized AI domains like computer vision, NLP, or Reinforcement Learning (nice to have)
• Good time management and ability to prioritize tasks among multiple or changing priorities
• Good communication skills, spoken and written, with fluent English as essential (knowledge of German is a plus)
• Prefer to work on agile software development projects with remote teams

What we offer

At Holycode Products, we offer:

• Full-time employment with flexible working hours
• Equipment for work
• 100% paid sick leave up to 30 days
• 22 days of paid vacation, plus one additional paid vacation day for every 2 years spent in the company
• Competitive benefit package (budget for sports, private health insurance for you and your family, Pizza Day, Friday lunch)
• Employee Referral Program: Incentives for successfully referring qualified candidates to our team
• Working remotely within multidisciplinary teams in agile environment or working in one of our offices in Novi Sad, Nis or Belgrade (flexible)
• Working on challenging projects and new technologies
• Supportive environment for personal development and learning
• Strong company culture and team spirit that supports your best work
• Regular team-building events
• Modern offices with fully stocked kitchens
• New Years gifts and a theater show for kids
• Anniversary gifts

Sounds interesting? Please send us your CV in English - we are looking forward to meeting you!