Middle Full-Stack Developer (.NET Core / React / AI)

Job description

Our Customer:

Our client is a global technology company developing an advanced cloud platform for AI-powered voice communication. Their product enables organizations to build, integrate, and deploy intelligent voice services by combining modern AI technologies, large language models, and enterprise-grade communication infrastructure. The engineering team focuses on creating scalable, cloud-native SaaS solutions that process real-time interactions while maintaining high performance, reliability, and security.

Your tasks:

- Design and develop new product features across both backend and frontend components.

- Build scalable backend services using modern. NET technologies.

- Develop responsive Single Page Applications using the latest React ecosystem.

- Design and integrate REST and GraphQL APIs.

- Work with relational and NoSQL databases while ensuring data consistency and performance.

- Participate in designing microservices-based architecture and distributed systems.

- Collaborate with product managers, architects, and other engineers throughout the entire development lifecycle.

- Leverage AI-assisted development tools (such as Claude, GitHub Copilot, etc.) to improve productivity while maintaining full

- ownership and understanding of the implementation.

- Write clean, maintainable, and well-tested code following modern engineering best practices.

- Contribute to architecture discussions, code reviews, and continuous product improvements.

Required experience and skills:

- 3+ years of commercial experience in Full Stack development.

- Strong experience with modern C#,. NET Core, and ASP. NET Core.

- Solid hands-on experience with the latest versions of React, including Functional Components, Hooks, and modern state management.

- Experience building Single Page Applications (SPA).

- Strong knowledge of Entity Framework.

- Experience designing and developing microservices-based applications.

- Practical experience with REST APIs and GraphQL.

- Experience with SQL and NoSQL databases (SQL Server, PostgreSQL, MongoDB, or similar).

- Good understanding of asynchronous programming, distributed systems, and cloud-native application development.

- Experience using AI-assisted development tools (Claude, GitHub Copilot, or similar) as part of the software development workflow.

- Ability to explain architectural decisions, coding approaches, and engineering best practices independently, without relying solely on AI-generated code.

- Strong analytical thinking, problem-solving skills, and ownership mindset.

- Experience working in Agile development environments.

- Upper-Intermediate (B2) or higher level of English.

Would be a plus:

- Experience with Docker and CI/CD pipelines.

- Experience with Azure and Azure Kubernetes Service (AKS).

- Knowledge of cloud-native SaaS architecture.

- Experience with high-load or real-time communication systems.

- Familiarity with modern software architecture patterns and system design.

- Experience participating in technical design discussions and architectural decision-making.

Working conditions

- 5-day working week, 8-hour working day;

- Remote work.