Senior/Principal Software Engineer (React, .NET) - OP01999

7+ years as a Software Engineer 3+ years with React.js (preferably v18+) Proficiency in TypeScript/JavaScript Material-UI (MUI v5) expertise Frontend feature development on legacy codebases REST API integration and troubleshooting experience State management skills (Context API, React Query) Experience with modern build tools (Vite, Babel) Unit testing experience (Jest, React Testing Library for frontend; NUnit for backend) Git version control CI/CD knowledge with Azure DevOps Experience with Terraform for infrastructure as code Experience with Azure cloud services (App Service, Functions, Service Bus, SQL Database, Application Insights) Familiarity with security best practices (XSS, CSRF prevention) Form validation and user input handling experience Willingness to learn and work with C#/.NET Clear, proactive communication and effective collaboration across teams Scrum framework experience Upper-Intermediate+ English level Flexibility, high visibility, and proactive communication Strong ownership, accountability, and independent execution

Design and build frontend features Integrate with backend APIs Modernize and maintain a legacy platform Perform occasional infrastructure and DevOps tasks Collaborate daily with US-based team members Participate in Scrum ceremonies and Agile processes