Middle/Senior Typescript/Node.js Developer, AI Experience

This is a fully remote position, open to applicants in Poland.

📋 Description

• Create and sustain high-performance back-end microservices and AI-driven services utilizing TypeScript and Node.js.

• Design, implement, and integrate features powered by AI and large language models (LLM) into the platform.

• Develop scalable serverless solutions leveraging AWS Lambda, API Gateway, DynamoDB, and EventBridge.

• Work collaboratively with cross-functional teams on API-first architecture and OpenAPI specifications.

• Guarantee tenant data isolation and adherence to established AdTech data models.

• Contribute to the development of reusable libraries, templates, AI integration patterns, and engineering standards.

• Engage in code reviews concentrating on performance, reliability, observability, and service quality.

• Convert product and AI feature requirements into scalable technical solutions.

• Assist in the platform transformation towards automation, standardization, and intelligent reusability.

• Take part in continuous improvement initiatives and the technical decision-making process.

⛳️ Requirements

• Over 7 years of professional experience as a Back-end Developer.

• Strong practical experience with TypeScript and Node.js.

• Proven experience in building API-first microservice architectures.

• Hands-on experience with the integration of AI services, LLM APIs, or AI-assisted workflows.

• Practical experience with AWS serverless technologies, including Lambda, API Gateway, DynamoDB, and EventBridge.

• Familiarity with RESTful and GraphQL APIs.

• Knowledge of prompt engineering concepts and approaches for AI integration.

• Understanding of multi-tenant architectures and principles of logical data isolation.

• Interest in AdTech products, automation, and AI-driven optimization.

• Upper-Intermediate English level or higher.

• Strong analytical and problem-solving capabilities.

• Proactive mindset with a focus on ownership.

• Enthusiasm for modern back-end engineering and AI technologies.

• Ability to collaborate effectively within distributed international teams.

• Keen interest in innovation, experimentation, and continuous learning.

• Excellent communication skills and a focus on engineering quality.

• Plus: Experience with machine learning and AI experimentation projects.

• Plus: Exposure to recommendation systems or data intelligence platforms.

• Plus: Experience with vector databases.

• Plus: Familiarity with Infrastructure as Code tools such as Terraform or CloudFormation.

• Plus: Understanding of observability and monitoring practices in distributed systems.

• Plus: Experience with scalable cloud-native architectures.

🏝️ Benefits

• Opportunity to work in a dynamic and innovative environment.

• Access to ongoing professional development and training.

• Competitive salary and benefits package.

• Flexible working arrangements to support work-life balance.

• Collaborative team culture that values input and initiative.