Senior Fullstack Engineer (Python + React)

**About The Opportunity** We're seeking an experienced Senior Full Stack Developer to join our Supply Chain \& Operations technology team. This is a high\-impact role focused on rapid application development for business\-critical systems that power clients' global supply chain, logistics, and operational excellence. You'll work embedded within a dynamic, hybrid team of internal engineers and external collaborators, collaborating closely with business stakeholders, UX designers, and technical leads to deliver full\-stack solutions that solve real operational challenges. This role requires someone who goes beyond just writing code; you'll need to understand user needs, contribute to requirements analysis, and bring strong product thinking to ensure we're building the right solutions. **Responsibilities** * Design and develop full\-stack web applications using React/TypeScript (frontend) and Python/FastAPI (backend) that solve operational challenges across supply chain, logistics, and planning systems. * Build and optimize solutions for large\-scale relational datasets using MySQL or PostgreSQL, ensuring query performance and data integrity. * Deploy and maintain containerized applications on Kubernetes, implementing infrastructure updates, connectivity improvements, and cloud platform enhancements. * Collaborate with UX designers and business stakeholders to translate user needs and operational requirements into well\-architected technical solutions that deliver real value. * Integrate with third\-party systems, external APIs, workflow platforms, and enterprise services (IAM, authentication, etc.) while maintaining security and privacy standards. * Implement DevSecOps practices across the development lifecycle with emphasis on security by design, automated testing, and quality gates. * Support and maintain production systems, including triaging and resolving bugs, implementing enhancements, and performing planned infrastructure upgrades. **Required Qualifications** * Excellent English communication skills (written and verbal) * Proven capabilities in backend development, focusing on Python with FastAPI, including RESTful API design and asynchronous programming patterns * Advanced proficiency in React and TypeScript for modern frontend development, Single Page Applications (SPA), including state management, performance optimization, and accessible UI design * Expertise in web languages and frameworks such as Vue.js, PHP/Symfony * Deep expertise in relational databases (MySQL or PostgreSQL), including query optimization, data modeling, and performance tuning for large\-scale datasets * Disciplined approach to code quality and testing (unit, integration, end\-to\-end) with experience in Git workflows and pull request reviews * Security\-first mindset with knowledge of common vulnerabilities, mitigations, and enterprise authentication patterns (OAuth, IAM, Secrets mgmt) * Experience with CI/CD pipelines and automated deployment workflows in cloud environments * Bachelor's degree or higher in Computer Science, Software Engineering, Information Technology, or related technical field preferred