ReactJS Developer

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Required Skills

Frontend:

• Proficiency in React.js and Redux for state management in large-scale applications with asynchronous data flows.
• Strong command of JavaScript (ES6+) and basic TypeScript to ensure type safety and robust codebases.
• Experience with component-based architecture and React lifecycle methods or React Hooks for state and side-effect management.
• Familiarity with Material-UI (MUI) or similar component libraries to create functional, responsive user interfaces.
• Ability to optimize Virtual DOM rendering for improved application performance in low-latency environments.
• Experience with unit testing, integration testing for critical parts of the system

Backend:

• Deep expertise in .NET 8 and C# with a focus on Asynchronous Programming, leveraging it for high-concurrency applications.
• Strong knowledge of event-driven architecture
• Experience with Message Brokers such as RabbitMQ or Kafka for inter-service communication and real-time data processing.
• Proficient in building RESTful APIs and implementing WebSocket or SignalR for real-time bidirectional communication.
• Experience working with Microservices architecture, implementing services with high availability and scalability, using .NET Core and .NET 8.
• Experience with unit testing, integration testing for critical parts of the systemDatabase:
• Proficiency in SQL and NoSQL including writing optimized SQL queries, managing database schema designs
• Familiarity with ACID transactions, index optimization, and query execution plans to ensure database performance in high-throughput environments.Authentication & Authorization:
• Strong experience in implementing OAuth 2.0 and OpenID Connect protocols, including managing JWT (JSON Web Tokens) and refresh tokens for secure and scalable authentication flows.
• Proficiency in integrating with Identity Providers (IdP) like Azure AD, Okta, or Auth0 for Single Sign-On (SSO) and multi-factor authentication (MFA).

Bonus Skills:  

• Familiarity with Reactive Programming concepts using RxJS or Reactive Extensions (Rx.NET) for handling streams of data asynchronously.
• Experience with real-time event streaming systems like Apache Kafka, enabling processing of high-velocity, high-volume data streams.
• Basic understanding of IoT protocols such as MQTT or CoAP for real-time telemetry and control of industrial equipment.
• Experience with containerization tools such as Docker
• System design experience for large-scale systems
• Good English to communicate with the client.  Ability to have calls with USA time zone

We Offer

• We invite you to join our friendly international team;
• Comfortable work schedule;
• Zero bureaucracy;
• Pleasant working atmosphere;
• Interesting projects and challenging tasks;
• Opportunities for self-realization, professional and stable career growth;
• The optional partly compensation for learning English language.