Fullstack Developer – C# / React + OpenAI (Bilingual)

Role Overview We are seeking a Fullstack Developer specializing in C#, React, and OpenAI integrations to join our global, fully remote engineering team. The selected individual will design, develop, and maintain web applications combining robust backend services and modern frontend interfaces, while leveraging AI capabilities for automation and innovation. You will operate in a dynamic, international environment with access to cutting-edge technologies and collaborative workflows. Key Responsibilities • Develop fullstack features using C# (.NET) for backend components and React.js for frontend interfaces. • Integrate OpenAI or similar AI technologies into application workflows, building intelligent services and APIs. • Define, build, consume, and maintain RESTful APIs between frontend and backend layers. • Participate in code reviews, quality assurance, technical documentation, and ensure clean architecture standards. • Work in distributed teams, collaborate with product, architecture, QA, and DevOps stakeholders. • Contribute to the evolution of development processes, best practices and automation. • Communicate effectively in English with remote team members across time zones. Required Qualifications • Bachelor’s degree in Computer Science, Software Engineering, or similar field. • Proven experience in fullstack web development using C# (.NET) and React.js. • Hands-on experience integrating AI services, such as OpenAI API or equivalent. • Solid experience consuming and building REST APIs. • Advanced English skills (spoken and written) suitable for technical and cross-team communication. Preferred Skills • Experience with cloud platforms (Azure or AWS) and deployment of web services. • Familiarity with CI/CD workflows, containerization (Docker) and microservices. • Experience with modern frontend tooling (TypeScript, Redux or context API, hooks). • Understanding of AI/ML application patterns and prompt engineering. Professional Competencies • Strong analytical thinking and attention to detail. • Ability to deliver high-quality code in a fully remote, autonomous setting. • Excellent communicator in virtual teams and across cultures. • Adaptability and eagerness to work with emerging technologies and AI-driven solutions. • Ownership mindset and proactive attitude toward technical challenges. What We Offer • Remote contract, enabling you to work from anywhere with flexibility. • 100% remote work within a global, international and inclusive team. • Learning allowance to fuel professional development in AI, fullstack and automation. • Exposure to innovative projects and AI integrations on a daily basis. • Home-office support and remote work infrastructure assistance. Apply tot his job Apply To this Job