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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on building and deploying AI/ML solutions for a commercial product. Core technologies include Python, work with LLMs and GenAI, optionally RAG, embeddings and cloud (AWS). Responsibilities cover research, design and implementation of models, building prototypes and moving them to production, integrating AI with backends, defining evaluation metrics and monitoring and improving model behavior in production. Offer includes long-term cooperation, full remote, private medical care and co-funding for training and sports activities.
from: 29 September 2026
to: 29 October 2026
35 000 - 35 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:remote
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Python
Optional technologies
AWS
Node.js
JavaScript
Our requirements
- At least 6 years of commercial experience in AI / Machine Learning
- Strong hands-on experience building AI/ML solutions for real-world products and production environments
- Strong practical knowledge of Python
- Hands-on experience with LLMs, GenAI and modern machine learning approaches
- Experience building, testing, deploying and maintaining AI solutions in production
- Experience taking solutions from research / PoC / prototype to production
- Ability to independently research different approaches, implement them and validate results experimentally
- Strong understanding of AI/ML evaluation, including quality, accuracy, reliability, latency and cost
- Experience debugging and improving AI systems based on production behaviour and user feedback
- Strong engineering mindset — the ability to build reliable and maintainable solutions, not only develop models or conduct research
Optional
- Experience with RAG, AI agents, embeddings or semantic search
- Experience with AI evaluation frameworks or LLM observability tools
- Experience with AWS or other cloud platforms
- Experience integrating AI models with backend systems and APIs
- Experience with Node.js / JavaScript
- Previous experience in travel technology, hospitality, marketplaces or booking platforms
Your responsibilities
- Research, design and implement AI/ML solutions addressing complex product and data challenges
- Build and integrate production-ready AI-powered features
- Explore different technical approaches, run experiments and evaluate results to identify the most effective solutions
- Develop Python-based AI/ML applications, workflows and data processing solutions
- Build prototypes and turn successful experiments into scalable, reliable production systems
- Work with LLMs, machine learning models and AI APIs as part of real product features
- Define evaluation methods and metrics to measure quality, accuracy, latency, cost and business impact
- Investigate model behaviour, identify performance issues and improve AI solutions based on real-world results
- Work closely with engineering and product teams to integrate AI capabilities into existing systems
- Take ownership of AI initiatives from initial research through implementation, deployment and continuous improvement
About the project
We are looking for a Senior AI/ML Engineer with strong hands-on experience building and deploying AI solutions in real-world products. This role requires someone who can independently move from research and experimentation to implementation, evaluation and production deployment.
What we offer
- Long-term cooperation on an international project.
- Fully remote work.
- A collaborative environment with experienced engineers.
- Private medical care.
- Multisport card.
- Flexible working arrangements.
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- remote work opportunities
- flexible working time
BRAVER IT SPÓŁKA AKCYJNA
As Venture Building, we create profitable technology companies from scratch. We collaborate with partners who share similar aspirations and are open to leveraging the potential of their networks, cultivated over years. We regularly launch new projects founded on long-term, amicable relationships with our associates.
Senior AI/ML Engineer
35k–35k zł / mth. (B2B)
I apply to:
BRAVER IT SPÓŁKA AKCYJNA
Kraków, Lesser Poland
Need more information?
- Make sure the body of the offer doesn’t already include what you’re looking for.
- Ask a question if you need more information you’re interested in.
- We’ll forward your question to the employer and aim to provide a response within 3 business days.