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

Company Description:

• Sigma Software is a technology company specializing in building intelligent, scalable platforms.
• They value engineering excellence, innovation, and collaboration, working with globally recognized publishers.

Project Overview:

• Transform a global AdTech product into a modern AI-enabled ecosystem using cloud-native and AI technologies.
• Build reusable microservices, serverless infrastructure, and intelligent automation capabilities.
• Collaborate with a Sweden-based customer that processes millions of advertising transactions and is trusted by brands like TripAdvisor and Bloomberg.

Job Responsibilities:

• 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 using AWS Lambda, API Gateway, DynamoDB, and EventBridge.
• Contribute to reusable libraries, AI integration patterns, and engineering standards while ensuring tenant data isolation.

Qualifications:

• 3+ years of commercial experience as a Back-end or AI Software Developer with strong TypeScript and Node.js skills.
• Hands-on experience with AWS serverless technologies and AI service integration.
• Upper-Intermediate or higher English level and ability to collaborate within distributed international teams.