Senior Python AI Developer

Kruko Sp. z o.o.; Remote; PLN 60,000 - 100,000; Full time

Job summary

A software house specializing in innovative applications is seeking a Senior Python AI Developer to design and maintain scalable Python applications. Candidates should have solid Python experience, knowledge of AI/ML libraries like TensorFlow, and good English communication skills. This role offers a flexible employment model, competitive salary, and a remote-friendly culture. Join a collaborative team working on cutting-edge technologies to support business operations in Poland and globally.

Benefits

Flexible employment model: UoP or B2B

Competitive salary

Flexible working hours

Private healthcare and other benefits

Collaborative international team

Qualifications

• Solid Python development experience, ideally in data-centric or AI-related projects.
• Knowledge of AI/ML libraries such as TensorFlow, PyTorch, Scikit-learn, or similar.
• Good English skills (minimum B2 level).

Responsibilities

• Design, develop, and maintain scalable Python-based applications with AI/ML solutions.
• Build and fine-tune machine learning models and APIs for real-world applications.
• Collaborate with project teams to translate business needs into automated solutions.

Skills

Python development experience

Knowledge of AI/ML libraries (TensorFlow, PyTorch, etc.)

Familiarity with APIs from leading LLM providers

Team collaboration and communication skills

Good English skills (minimum B2 level)

Tools

Django

Flask

FastAPI

Celery

Redis

Docker

Kubernetes

Job description

Senior Python AI Developer @ Kruko Sp. z o.o.

Join our team as a Python Developer at Kruko, a software house specializing in the creation of mobile and web applications tailored to the specific needs of our clients. We deliver innovative programming projects that support and modernize business operations in Poland and around the world.

We offer

• Flexible employment model: UoP or B2B.
• Competitive salary aligned with your skills and experience.
• Flexible working hours and a remote-friendly culture.
• Private healthcare and other benefits.
• A collaborative, international team focused on cutting‑edge technologies.

Get to know us better

At Kruko, we excel in delivering cutting‑edge technology consulting and software development, setting ourselves apart with our unique Tech Feasibility services. These innovative offerings empower organizations of all sizes to support and navigate technological challenges and transformations with confidence and clarity.

Headquartered in Poland and with offices in the US, Kruko stands out as a trusted technology partner. We are committed to understanding your unique business needs and providing tailored solutions that drive success. Our ability to manage multi‑time‑zone projects ensures seamless collaboration and timely delivery, making us the go‑to choice for companies seeking reliable and forward‑thinking tech expertise.

Kruko is an AI/LLM solution partner. We bring our state‑of‑the‑art AI expertise and proven track record of AI‑driven product development to enhance our clients’ capabilities.

Responsibilities

• Design, develop, and maintain scalable Python-based applications (Django, Flask, FastAPI) with a focus on integrating AI/ML solutions.
• Build and fine‑tune machine learning models, APIs, and AI‑driven features for real‑world applications.
• Work on projects involving natural language processing (NLP), predictive analytics, and data‑driven automation.
• Design, build, and maintain data pipelines (Celery, Celery Flower, Redis/RabbitMQ).
• Ensure the performance, scalability, and reliability of AI‑enabled systems.
• Collaborate with project teams to understand business needs and translate them into smart, automated solutions.
• Write clean, maintainable, and well‑documented code.
• Debug, test (pytest), and continuously improve existing applications.
• Stay up to date with the latest AI tools, frameworks, and industry trends.

Qualifications

• Solid Python development experience, ideally in data‑centric or AI‑related projects.
• Knowledge of AI/ML libraries such as TensorFlow, PyTorch, Scikit‑learn, or similar.
• Familiarity with APIs from leading LLM providers (OpenAI, Google, Azure, Groq, etc.).
• Understanding of data processing, feature engineering, and model lifecycle management.
• Familiarity with microservices architecture and design patterns.
• Experience with relational and non‑relational databases.
• Proficiency in Git or other version control systems.
• Strong team collaboration and communication skills.
• Good English skills (minimum B2 level).
• Understanding of unit and functional testing principles.
• Independent workflow organisation.

Nice to Have

• Experience with AI model deployment (Docker, Kubernetes).
• Knowledge of cloud AI services (AWS SageMaker, Azure ML, or GCP Vertex AI).
• Exposure to MLOps or CI/CD for machine learning workflows.
• Experience with Ruby on Rails or basic frontend concepts.