April 8, 2026
Python Developer
Mid • Remote
11,000 - 18,500 PLN/mo
At Silent Eight, we develop our own AI-based products to combat financial crimes that enable things like money laundering, the financing of terrorism, and systemic corruption. We’re a leading RegTech firm working with large international financial institutions such as Standard Chartered Bank and HSBC. Join us and help make the world a safer place!
As a Python Developer, you will create and manage applications that bolster our AML solutions and refine machine learning models to improve product functionality. You will work closely with data scientists to implement these models in production environments and design systems for data integration and quality assurance. Furthermore, you will handle the entire machine learning pipeline, from data preprocessing to model deployment, ensuring that applications are scalable and efficient.
Responsibilities
Develop and maintain Python-based applications and tools that support our AML solutions
Implement, optimize, and deploy machine learning models, including large language models, to enhance our product capabilities
Collaborate with data scientists and cross-functional teams to integrate machine learning models into production systems
Design and implement data integration, validation, and quality check frameworks
Work on the entire machine learning pipeline, from data preprocessing to model deployment and monitoring
Create quick prototypes and present them to customers and internal stakeholders to drive product development
Analyze and process large-scale structured and unstructured data sets to support machine learning initiatives
Ensure the robustness, scalability, and efficiency of the developed applications and models
Provide technical support and troubleshoot issues related to machine learning models and Python applications
Follow best practices in coding, MLOps, and DataOps
Assist other teams in delivering proof-of-concept projects
Requirements
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
Strong proficiency in Python programming and related libraries (e.g., Pandas, NumPy, scikit-learn)
Experience in implementing and deploying machine learning models, including large language models (e.g., GPT, BERT)
Familiarity with machine learning frameworks such as TensorFlow, PyTorch, and Hugging Face Transformers
Experience with data preprocessing, feature engineering, and model evaluation techniques
Proficiency in working with large-scale datasets and SQL
Knowledge of MLOps practices and tools for continuous integration and deployment of machine learning models
Experience in designing and implementing data integration and validation frameworks
Strong problem-solving skills and attention to detail
Excellent communication skills to collaborate with cross-functional teams and present technical concepts to non-technical stakeholders
Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and big data technologies
What do we offer?
Collaboration Form and Model: Always Remote – work from anywhere in Poland.
B2B contract with paid holidays, range PLN 15,000 - 21,000 net + VAT.
Real Impact: You'll be working on AI solutions that have a direct impact on combating global financial crime and streamlining decision-making processes at the largest financial institutions.
Atmosphere: A startup work culture based on autonomy, responsibility, and rapid iteration of solutions.
Wellness Your Way: A fixed allowance for your chosen benefits is added to your invoice quarterly.
Development: Training budget, Development Days, and work with AI/ML experts.
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Warsaw, Poland
16,800 - 21,000 PLN
🏢 Summary: Hybrid Python AI Developer role focused on building AI-powered services and automation solutions using Large Language Models and agent-based workflows. The position involves developing RAG-based bots and assistants, implementing agentic workflows, and collaborating on high-quality AI frameworks. It offers the opportunity to work on advanced LLM solutions in a dynamic, innovation-driven environment. 🗂️ Requirements: Minimum 3 years of experience in software development with Python, Practical knowledge of LangChain and LangGraph, Experience with RAG, embeddings, vector search, LLM agents, agentic workflows, tool calling, At least 1 year of hands-on experience with LLM models, RAG, and AI agents in real projects, Proficiency with Git (branch management, rebase, cherry-pick, revert, squash), Familiarity with Jira, Confluence, Bitbucket, Competent command of Polish, Communicative level of English, Legal right to work in the European Union 📃 Skills: Python, LangChain, LangGraph, RAG, LLM, Embeddings, VectorSearch, Git, Jira, Confluence, Bitbucket, Azure, React, Streamlit, Databricks, CosmosDB, Redis, Grafana 🏢 Description: Unleash the future of AI by building innovative Large Language Model solutions that redefine automation and intelligence. Warszawa-based opportunity with hybrid work model (4 days remote, 1 day in the office). As a Python AI Developer , you will be working for our client, a leading innovator in AI technology. You will contribute to developing cutting-edge services and applications supporting automation processes, leveraging advanced LLM solutions and agent-based workflows. This role offers a chance to be at the forefront of AI innovation and accelerate your career growth in a dynamic environment. Your main responsibilities: Build AI-powered services and applications in Python to support automation initiatives. Develop bots and assistants based on Large Language Models, including RAG solutions and multi-step task agents. Implement agentic workflows: define roles, manage tools, and oversee execution processes. Work with internal and new AI frameworks, ensuring high quality and alignment with best practices. Collaborate with cross-functional teams to troubleshoot, analyze issues, and optimize solutions. Maintain adherence to development standards and contribute to continuous improvement initiatives. Document system designs and participate in architectural discussions. You're ideal for this role if you have: Minimum 3 years of experience in software development, particularly with Python. Practical knowledge of LangChain and LangGraph. Experience with RAG, embeddings, vector search, LLM agents, agentic workflows, and tool calling. At least 1 year of hands-on experience with LLM models, RAG, and AI agents in real projects. Proficiency with Git, including branch management and commit operations (rebase, cherry-pick, revert, squash). Familiarity with Jira, Confluence, Bitbucket. Strong problem-solving skills and ability to work independently in a collaborative environment. It is a strong plus if you have: Knowledge of Azure AI Stack (AI Foundry, Azure OpenAI, Azure AI Search). Experience with React, Streamlit, Databricks, Cosmos DB, Redis, or Grafana. Understanding of ML fundamentals and fine-tuning LLMs. Skills in high-level system architecture design and documentation. Language Required for the role: Polish – competent command. English – communicative level. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data. Please be prepared for a live coding session during the interview process, where your technical skills will be thoroughly evaluated.
Technology
Pretius
Python Developer with AI
Mid
Remote
Warsaw, Poland
120 - 150 PLN
🏢 Summary: Python Developer with AI role in the financial industry focused on building and validating intelligent assistants using advanced LLMs, RAG techniques, and agent frameworks. The position involves developing Python-based AI data pipelines, recommending technical architectures, and collaborating with international teams. Candidates should have strong ML/AI knowledge, experience with transformer models, and proficiency in Python and LLM frameworks. 🗂️ Requirements: Python proficiency, Experience with LLM frameworks, Experience with transformer-based models, Knowledge of Pandas, Knowledge of NumPy, SQL experience, Strong ML/AI knowledge, Experience with data engineering, Pipeline automation experience, English C1 📃 Skills: Python, Langchain, GPT-4, Falcon, LLAMA, Mixtral, RAG, Langraph, CrewAI, Pandas, NumPy, SQL, AWS, Azure, GCP 🏢 Description: At Pretius we are looking for Python Developer with AI to a project in the financial industry, international team. Project / Role Build and validate intelligent assistants with cutting-edge LLMs (e.g., GPT-4, Falcon 2, LLAMA 3, Mixtral) using techniques like RAG and agent frameworks (e.g., Langraph, CrewAI) Recommend technical approaches and architectures for business challenges Implement efficient Python-based data pipelines for AI model training and deployment Communicate insights to both technical and non-technical audiences Contribute to project documentation Requirements Proficiency in Python and LLM frameworks (e.g., Langchain) Experience with transformer-based models and large datasets (e.g. Pandas, NumPy, SQL) Strong knowledge of ML/AI concepts: types of algorithms, machine learning frameworks,model efficiency metrics, model life-cycle, AI architectures Experience with data engineering, including preprocessing, transformation, and pipeline automation Fluent in English (C1) Nice to have: Familiarity with cloud-based ML services (AWS, Azure, GCP) What we offer? We focus on long-term relationships based on fair principles and reliability Co-financing of the Multisport card and Medicover private healthcare Modern office available Team bonding activities, internal courses, conferences, certifications