Senior Machine Learning Engineer

Our Client is a global company located in Krakow that is developing high quality software-as-a-service products. On behalf of the company, we are currently looking for a Senior Machine Learning Engineer who will play a key role in levelling up the retrieval-augmented generation (RAG) platform for various channels like customer service bots, email, and search. Working with other ML Engineers you will build high-quality AI products using the latest tools and techniques.

Your responsibilities

• Delivering AI-powered capabilities to customers using the latest in LLM technology
• Working closely with Product Management, ML Scientists and other ML Engineers to define feature scope and implementation strategies
• Mentoring junior team members, as well as pairing with more experienced colleagues to foster mutual learning
• Supporting deployed services to ensure a high level of stability and reliability
• Contributing to discussions regarding technical design and best practices
• Writing clean and maintainable code to meet the team’s delivery commitments

Your qualifications

• Proficiency in Python, along with experience in relevant testing frameworks
• Experience in designing and implementing RAG systems
• Experience with using LLMs
• Solid understanding of architecture and software design patterns for server-side applications
• Collaborative and growth mindset, with a commitment to ongoing learning and development
• Self-managed and agile, with the ability to problem-solve independently
• Experience building scalable and stable software applications
• Ability to formulate hypotheses, conduct experiments, and analyze results to inform engineering decisions
• Experience with managing and deploying cloud services with AWS (or other cloud platform)

Technology stack

• The code is largely written in Python, with some parts in Ruby
• Platform is built on AWS
• Data is stored in RDS MySQL, Redis, S3, ElasticSearch, Kafka, and Athena
• Services are deployed to Kubernetes using Docker, with Kafka for stream processing
• Infrastructure health is monitored using Datadog and Sentry

What you'll get in return

• Joining team of passionate people
• Working with LLMs and RAG (retrieval augmented generation), rapidly evolving fields in AI
• Ownership of the product features at scale, making a significant impact for millions of customers
• Flexible working hours, work-life balance
• Permanent contract of employment
• Professional development funds
• Comfortable office and a remote-friendly environment

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.