AI/ML Engineer (Senior/Regular) – GenAI

Technologies we use

Expected

• Python
• GenAI
• LLM
• RAG
• AI Agents
• Tool Calling
• ML
• Vector Databases
• AWS/Azure

Optional

• LangChain / LangGraph / LlamaIndex
• MLOps

About the project

You will join a central AI team developing modern Generative AI solutions for construction software products. The project focuses on building scalable, reusable AI capabilities, including LLM-based applications, RAG pipelines, AI agents, tool use, orchestration, and evaluation frameworks.

You will work on both prototyping and production-grade AI systems, help establish engineering standards and best practices, and contribute to AI-native software development and automation.

Project details:

Work model: 100% remote

Contract: B2B

Rate: up to 120 PLN/h nett + VAT

Start: ASAP

Project model: Outsourcing

Recruitment process: 2 stages – HR interview + technical interview with the Hiring Manager

Engagement: Full-time

This is how we organize our work

This is how we work

• at the client's site

Your responsibilities

• Design and develop production-grade GenAI solutions, including LLMs, RAG, AI agents, tool use, and orchestration.
• Build reusable AI capabilities and services that can be adopted across multiple products.
• Design and implement AI evaluation frameworks focused on quality, reliability, latency, cost, and grounding.
• Develop AI-native engineering practices, including Spec-Driven Development, AI-assisted development, and automated testing.
• Ensure AI solutions meet standards for security, observability, governance, reliability, and responsible AI use.
• Collaborate with Product, Engineering, and Business stakeholders, while supporting other engineers through technical guidance, code reviews, and knowledge sharing.

Our requirements

• 5+ years of software engineering experience, including hands-on experience with production AI systems.
• Strong Python programming skills.
• Hands-on experience with Generative AI, LLMs, RAG, AI agents, tool/function calling, and orchestration.
• Practical experience with Azure and/or AWS cloud platforms.
• Experience designing and delivering end-to-end AI systems from APIs and data/retrieval layers to cloud infrastructure and production deployment.
• Experience with AI evaluation and testing, including quality, reliability, grounding, latency, and cost.
• Understanding of AI-assisted development, Spec-Driven Development, and modern AI developer tools.
• Strong software architecture skills and ability to design reusable, scalable AI solutions.
• English – minimum B2/C1.

Optional

• Commercial experience with Machine Learning and ML systems.
• Experience with LangChain, LangGraph or LlamaIndex.
• Knowledge of MLOps, MLflow and CI/CD.
• Experience with Kubernetes and Docker.
• Experience with vector databases, embeddings and semantic search.
• Knowledge of Azure OpenAI, Azure AI Services or AWS Bedrock/SageMaker.
• Experience with LLM observability, AI governance and responsible AI.
• Familiarity with MCP (Model Context Protocol) and AI coding agents.
• Experience with FastAPI and AI/ML APIs.

What we offer

• 100% remote work – work from anywhere in Poland
• Medicover
• Medicover Sport

Benefits

• sharing the costs of sports activities
• private medical care

Recruitment stages

• Initial recruiter screening
• 1st HR interview
• Technical meeting with Hiring Manager

SQUARE ONE RESOURCES sp. z o.o.

At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.

This is how we work