> Markdown version of [/jobs/ext/4043998-senior-full-stack-software-engineer-python-react](https://www.wearedevelopers.com/jobs/ext/4043998-senior-full-stack-software-engineer-python-react). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full-stack Software Engineer(Python/React) - **Company:** Mobilunity - **Location:** Belgium (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** LangGraph Framework, Clean Code Principles, Artificial Intelligence, Software as a Service, Software Quality, Continuous Integration, Data Integration, Relational Databases, Python (Programming Language), PostgreSQL, Software Architecture, Systems Integration, TypeScript, Google Cloud, ReactJS, Large Language Models, Software Application Programming, Infrastructure as Code (IaC), Backend, Agentic-AI, Git, Fastapi, Pgvector, PydanticAI Framework, Front End Software Development, Restful APIs, Terraform - **Published:** October 27, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=e946d981af29b563 ## About the Role * Strong commercial experience in Python backend development. * Solid hands-on experience with React and TypeScript. * Practical experience with PostgreSQL and relational database design. * Experience designing, developing, and integrating REST APIs. * Ability to independently develop and deliver end-to-end full-stack features. * Good understanding of software architecture, scalability, and maintainable code. * Experience with modern development workflows, including Git and CI/CD practices. * Strong problem-solving skills and a product-oriented mindset. * Ability to work autonomously, take ownership of technical tasks, and deliver production-ready solutions. * Adaptability and comfort working in a fast-moving startup environment. * Good communication skills and English proficiency. Nice to Have: * Experience developing applications using LLMs and AI agents. * Familiarity with AI frameworks such as LangGraph, Agno, or PydanticAI. * Experience with FastAPI. * Knowledge of vector databases, particularly PostgreSQL with pgvector. * Experience with Google Cloud Platform (GCP). * Familiarity with Terraform and Infrastructure as Code (IaC). * Experience using AI-assisted development tools. * Previous experience working on AI SaaS products or in early-stage startups. * French or Dutch language skills. ## Description * Design, develop, and maintain full-stack application features using Python, React, and TypeScript. * Build and optimize backend services, REST APIs, and database integrations. * Develop responsive, scalable, and maintainable frontend components. * Integrate AI-powered functionality into the platform. * Participate in architectural discussions and technical decision-making. * Take ownership of features throughout the entire development lifecycle, from requirements to production. * Collaborate closely with product stakeholders to translate business needs into technical solutions. * Maintain high standards of code quality, performance, scalability, and reliability.