Senior AI Engineer Python GenAI GCP, REMOTE

• Expert-level Python development with strong software engineering fundamentals (OOP, architecture, design patterns, testing, CI/CD).
• Experience building production-grade APIs, asynchronous services, and scalable SaaS applications.
• Hands-on experience with Generative AI, including RAG, AI agents, conversational AI, multimodal applications, and LLM orchestration.
• Proficiency with at least two AI frameworks such as LangGraph, Google ADK, LlamaIndex, Hugging Face, or Pydantic AI.
• Experience with vector databases, semantic search, and knowledge retrieval systems (e.g., Qdrant, Chroma, Vertex AI Search).
• Strong database skills across PostgreSQL, BigQuery, Firestore, Redis, and data modeling concepts.
• Experience deploying AI applications on Google Cloud (Vertex AI, Cloud Run, Firestore, BigQuery, Pub/Sub, IAM, etc.).
• Knowledge of multi-tenant SaaS architecture, authentication, RBAC, API security, and billing integrations.
• Familiarity with MLOps practices, including model/prompt versioning, evaluation pipelines, observability, and cost optimization.
• Experience with modern DevOps tooling including Docker, Kubernetes, Terraform, GitHub Actions, and Linux.

We are Primotly - a software house based in Warsaw but we’re not just building software - we’re building relationships that last. If you’re ready to lead exciting international projects and help brands bring their vision to life, let’s talk.

What is unique about working with us?

• INTERNATIONAL ENVIRONMENT - The international work environment includes customers from all over the world, but also a diverse team that gives even more opportunities for development and exchange of knowledge.
• HIGH AUTONOMY IN OPERATION - We focus on partnership relations. That is why from the very beginning of our cooperation you receive a great credit of trust and freedom of action. You know best what path is best to reach a specific goal. For us, the most important are the effects.
• DEVELOPMENT OPPORTUNITIES - We support the development of our employees through courses and certification systems. More experienced colleagues are always ready to provide you with advice, experience or mentoring.
• ENGAGING PROJECTS - If you love to create, invent and pave the way for completely new paths, Primotly is the right place for you. We love everything new, fresh and challenging. That is why there is no time for boredom with us.

Here's what we can offer you:

• You can expect a B2B contract with an attractive salary: 34,000 - 40,000 PLN net. (+20 paid days off) - Please note that the final salary offer will be determined based on the candidate’s evaluated experience and skills.
• Regardless of the insurance you have, we want you to feel even more comfortable. That is why, as part of employee benefits, we provide access to private healthcare.
• Working hours are flexible as well - both for early birds and night owls. Thanks to very well-organised processes, you will be able to work with us remotely.
• Not only are your skills substantial, but also your growth! We highly encourage you to take part in meet-ups, online courses, conferences and external training.
• A healthy mind in a healthy body, that's why we take care of overall wellness of our employees by providing you with a sports card.
• We will equip you with the highest quality equipment and the necessary software for comfortable work on projects that we will implement together.

,[Lead the architecture and hands-on development of a GCP-native, multi-tenant AI SaaS platform., Design, build, and optimize scalable backend services and distributed systems using Python and cloud-native technologies., Develop and maintain multi-agent orchestration frameworks, including RAG pipelines, ReAct prompting flows, and Function Calling integrations., Build secure, high-performance APIs and integrations with external enterprise systems and third-party services., Design and implement event-driven and asynchronous communication patterns across decoupled microservices., Collaborate on the implementation of AI-native platform capabilities using Vertex AI and modern LLM technologies., Ensure platform scalability, reliability, observability, and operational excellence within cloud-based environments., Implement security best practices for enterprise SaaS platforms, including IAM, tenant isolation, and secure data access patterns., Drive technical direction and architecture decisions while actively contributing to core application development., Partner with cross-functional engineering and business teams to translate complex business requirements into scalable technical solutions., Improve engineering quality through architecture reviews, code reviews, mentoring, and engineering best practices., Support the evolution of platform infrastructure, CI/CD processes, and containerized deployment workflows.] Requirements: Python, SaaS, AI, LLM, Vertex AI, PostgreSQL, BigQuery, Google Cloud , Docker, Kubernetes, Terraform Additionally: Private healthcare, Insurance, external trainings, equipment, Sport subscription.