Full Stack Developer (Python+React)

• Designing, implementing, and maintaining scalable asynchronous APIs using Python frameworks such as FastAPI and Flask.
• Working hands-on with SQL (PostgreSQL), NoSQL, and in-memory stores like Redis to support diverse application needs.
• Integrating and optimizing vector databases (e.g., OpenSearch, MongoDB) for Retrieval-Augmented Generation (RAG) use cases.
• Implementing and fine-tuning solutions leveraging Azure OpenAI and Amazon Bedrock.
• Utilizing frameworks such as LangChain and LangGraph to orchestrate advanced language model workflows.
• Deploying and managing applications on AWS services, ensuring scalability, security, and cost efficiency.
• Building and maintaining automated pipelines with GitLab CI/CD for continuous integration and delivery.

• Hands-on Python development experience, with a strong focus on building robust, scalable systems for 5+ years.
• Experience with Python and frameworks such as FastAPI and Flask to build scalable, async APIs, with testing, logging, and performance tuning.
• Required experience in React to build accessible, reliable UIs with real-time streaming and robust state management.
• Hands-on with SQL (PostgreSQL), NoSQL, in-memory stores (Redis), and preferably vector databases for RAG (OpenSearch, MongoDB).
• Familiar with AWS services and automated pipelines using GitLab CI/CD.
• Strong understanding of OAuth2/OIDC (Entra ID), RBAC, SOLID principles, clean architecture, and maintainable code practices.
• Experience working with machine learning concepts, model integration, and applying ML techniques within production systems.
• Level of English – from Upper-Intermediate and above.

• Strong familiarity with LLM/RAG workflows using Azure OpenAI, Amazon Bedrock, and frameworks like LangChain and LangGraph.

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
• The opportunity to change the project and/or develop expertise in an interesting business domain.
• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn additional up to 1,000 EUR per month by participating in the company's activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• English courses.
• Private health insurance and compensation for sports activities.

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