Middle Typescript/Node.js Developer with AI experience (AdTech)

Develop and maintain high-performance Back-end microservices and AI-enabled services using TypeScript and Node.js Design, implement, and integrate AI and LLM-powered platform features Build scalable serverless solutions using AWS Lambda, API Gateway, DynamoDB, and EventBridge Collaborate with cross-functional teams on API-first architecture and OpenAPI specifications Ensure tenant data isolation and compliance with established AdTech data models Contribute to reusable libraries, templates, AI integration patterns, and engineering standards Participate in code reviews focused on performance, reliability, observability, and service quality Translate product and AI feature requirements into scalable technical solutions Support the platform transformation toward automation, standardization, and intelligent reusability Contribute to continuous improvement initiatives and technical decision-making processes 3+ years of commercial experience as a Back-end Developer or AI Software Developer Strong hands-on experience with TypeScript and Node.js Experience building API-first microservice architectures Practical experience integrating AI services, LLM APIs, or AI-assisted workflows Hands-on experience with AWS serverless technologies including Lambda, API Gateway, DynamoDB, and EventBridge Understanding of RESTful and GraphQL APIs Knowledge of prompt engineering concepts and AI integration approaches Understanding of multi-tenant architectures and logical data isolation principles Interest in AdTech products, automation, and AI-driven optimization Upper-Intermediate or higher English level Will be a plus Experience with ML and AI experimentation projects Exposure to recommendation systems or data intelligence platforms Experience working with vector databases Familiarity with Infrastructure as Code tools such as Terraform or CloudFormation Understanding of observability and monitoring practices in distributed systems Experience working with scalable cloud-native architectures Personal Profile Strong analytical and problem-solving skills Proactive and ownership-driven mindset Passion for modern Back-end engineering and AI technologies Ability to collaborate effectively within distributed international teams Interest in innovation, experimentation, and continuous learning Strong communication skills and attention to engineering quality