Senior Full-Stack Engineer (Python, React)

Project Description: Senior engineer delivering features end to end: React / Next.js front end, Python (FastAPI / Django) back end, database integration and CI/CD deployment to Azure. Accountable for taking assigned features from design through to production. Responsibilities: Key tasks • Deliver features end to end across the React / Next.js front end and Python (FastAPI / Django) back end. • Design APIs and database integration (PostgreSQL, Cosmos DB) for the features owned. • Wire up and maintain CI/CD pipelines deploying to Azure (Azure DevOps / GitHub Actions, containers, IaC). • Keep front-end and back-end contracts consistent (OpenAPI / GraphQL schema as source of truth). • Write unit, integration and E2E tests; automate deployment readiness checks. • Resolve cross-layer defects found in UAT and production. Responsibilities and accountabilities • End-to-end delivery of assigned features through to production, including release notes and runbooks. • Consistency between front-end and back-end contracts and shared TypeScript / Pydantic models. • Deployment readiness: pipelines, environment configuration, feature flags and rollback. • Cross-layer defect resolution and root-cause analysis. Mandatory Skills Description: • Bachelor's degree in Computer Science, Engineering, Information Systems or a related field, or equivalent practical experience. • 7+ years of software development with 4+ years delivering full-stack features (React front end, Python back end) and 2+ years deploying to Azure. • TypeScript, React 18+, Next.js; state management (Redux / Zustand); Jest / Cypress. • Python 3.11+, FastAPI and/or Django, SQLAlchemy / Django ORM, pytest. • Azure: App Service / Container Apps / AKS, Azure SQL or PostgreSQL, Cosmos DB, Key Vault, Application Insights, API Management. • CI/CD with Azure DevOps or GitHub Actions; Docker; Bicep or Terraform at working level. • REST and GraphQL design, authentication (OAuth2 / OIDC, Azure AD / Entra ID). (Opportunity for Poland-based candidates) Benefits: 💼 Tax-deductible costs on a contract of employment for all development roles 🔒 Stable employment based on an employment contract 🩺Private Medical & Dental care & Life Insurance 💰 Paid Referrals 🏋🏽 MyBenefit program (sports card, well-being program etc.) 🌎 Internal Mobility program - possibility of rotation between projects, locations, accounts 🎓 LuxTalent platform (webinars, training, courses)