JavaScript Developer

Our partner is a stable fintech company with an international background that develops and operates digital payment and transaction processing solutions worldwide. Its main focus is serving the commercial and service sector, supporting electronic payments with secure, scalable, and high-availability systems. The organization is strongly technology-driven, building on modern cloud and data platforms as well as business-critical applications operating in enterprise environments. Special emphasis is placed on cybersecurity, compliance, data protection, and continuous innovation. Requirements Minimum 5 years of hands-on software development experience gained in an enterprise environment. Expert-level JavaScript (ES6+) and TypeScript knowledge, including a deep understanding of asynchronous operations, closures, and the inner workings of the JavaScript runtime environment. High-level architectural mindset, particularly regarding microservices and hexagonal architectures. Practical experience with event-driven architectures (EDA) and message broker systems (e.g., Kafka, RabbitMQ, SQS). Experience with cloud infrastructure on a leading provider (AWS, Azure, or GCP). Cross-platform development experience across Linux, Windows, and Android environments; familiarity with the characteristics and deployment processes of different operating systems. Advantages: Practical experience in developing and deploying cross-platform applications.