Strong Middle / Senior Full Stack Developer (TypeScript / React)

Join a product-focused engineering team developing a large-scale AdTech platform used for managing and optimizing digital advertising campaigns across multiple channels.

Our Customer is an international company operating in the digital advertising and AdTech industry. The company develops enterprise-grade technology solutions that help advertisers and media organizations manage, optimize, and scale digital advertising campaigns. Their products support high-load advertising operations, complex workflows, and media-related processes across modern advertising ecosystems.

The project is a large-scale advertising campaign management platform covering the full lifecycle of digital campaigns. The solution includes campaign creation and configuration, line-item management, creatives handling, forecasting, SLA tracking, and integrations with external advertising and media services. The platform also supports advanced media workflows such as video transcoding and image validation.

• 4-5+ years of commercial software development experience with JavaScript and TypeScript, focusing on back-end development
• Strong back-end development experience with NestJS
• Solid front-end development experience with ReactJS
• Hands-on experience with AWS cloud services
• Good understanding of scalable system architecture and software engineering best practices
• Experience working with enterprise-level or high-load applications
• Strong problem-solving and analytical skills
• Ability to work independently and take ownership of technical solutions
• Good communication and collaboration skills
• Upper-Intermediate or higher English level

Nice to have:

• AI-native development experience
• Familiarity with AI-powered development tools such as Claude and Codex
• Experience with Jenkins
• Experience with Terraform
• Experience working with complex or enterprise platforms

• Design, develop, and maintain scalable Full Stack applications using JavaScript, TypeScript, NestJS, and React
• Implement and support complex business logic related to digital advertising campaign management
• Participate in technical discussions, architecture decisions, and solution design activities
• Collaborate closely with developers, Architects, QA engineers, and Project Managers
• Improve application performance, scalability, reliability, and maintainability
• Develop clean, maintainable, and well-tested code following software engineering best practices
• Identify technical challenges proactively and drive solutions independently
• Contribute to continuous improvements in development processes and technical standards