SENIOR FULL-STACK DEVELOPER (PYTHON + REACT)

Jobs > Senior Full-Stack Developer (Python + React) We’re looking for a Senior Full-Stack Developer to join our team building production-grade applications for PwC. You’ll work on a modern, scalable stack with a strong emphasis on AI engineering , high-performance backend services, and spec-driven development. The project focuses on developing sophisticated, AI-enabled systems that integrate advanced data platforms with modern web interfaces. You will play a key role in bridging the gap between complex data architectures and user-centric applications, ensuring enterprise-grade reliability and scalability. About The Role As a senior hands-on engineer, you will take ownership of the full application lifecycle, from architectural design to deployment. You will work within a collaborative, remote-first environment, contributing to a high-impact product that leverages Generative AI and graph databases to solve complex business challenges. Tech Stack (mandatory) Python, React, Next.js, Cosmos DB and/or Neo4j Strong Bonus GenAI, LangChain, LangGraph, LLMs, RAG, Agent Memory Management, AI Agents, Databricks, Docker, Kubernetes, CI/CD, Cloud Platforms, API Design, Spec-driven development. What You’ll Do Architect and develop robust backend services and APIs using Python and spec-driven methodologies. Build responsive, high-performance frontend applications with React and Next.js. Implement and optimize GenAI features, including RAG pipelines, AI Agents, and memory management using LangGraph. Design complex data models across Cosmos DB and Neo4j to support intelligent application logic. Drive engineering excellence through rigorous code reviews, automated testing, and performance tuning. Collaborate with data teams on Databricks integrations and manage containerized deployments via Kubernetes. Requirements Extensive commercial experience in full-stack engineering with Python and React. Proven track record of delivering AI-enabled products or working with LLM orchestration frameworks. Deep understanding of scalable software architecture and modern API design. Ability to work independently, making informed technical decisions in a fast-paced environment. Availability for US-business hour overlap (2:00 PM – 7:00 PM CET). What do we offer you? Attractive salary Large freedom and real influence No unhealthy competition, team approach to meeting challenges Remote-first, flexible working culture Company apartments in cool cities across Europe: work and enjoy a memorable getaway join our team: Apply Now! Job Name * E-mail Address * Thank you! Your submission has been received! Oops! Something went wrong while submitting the form. Senior Full-Stack Developer (Python + React) Kraków, Office or Remote 4,300€ - 10,000€ / month (B2B) Job Name * E-mail Address * Thank you! Your submission has been received! Oops! Something went wrong while submitting the form. Show more Show less