Senior AI Engineer

Summary

Join Wizeline, a global digital services company, and become a key contributor to building, scaling, and delivering high-quality digital products and services for mid-size to Fortune 500 companies. This role requires 5+ years of backend development experience, strong expertise in Node.js, TypeScript, and Express.js, and hands-on experience with LangChain for LLM interfacing. You will be responsible for LLM prompt engineering and fine-tuning, working with PostgreSQL and at least one cloud provider. The ideal candidate possesses experience in microservice architectures, testing backend systems, and asynchronous collaboration. Excellent communication skills are essential. Wizeline offers a diverse and inclusive work environment with opportunities for professional development and growth.

Requirements

• Have 5+ years of backend development experience, preferably in distributed/microservices environments
• Possess strong expertise in Node.js, TypeScript, and Express.js
• Demonstrate a solid understanding of PostgreSQL
• Have hands-on experience using LangChain to interface with LLMs
• Show proven experience with LLM prompt engineering and fine-tuning
• Have basic to intermediate experience in Python (for AI/ML tasks)
• Be familiar with Git, Docker, and CI/CD pipelines
• Have experience with at least one cloud provider (Google Cloud preferred, AWS acceptable)
• Understand microservice architectures
• Be able to write and maintain comprehensive tests for backend systems
• Be comfortable with asynchronous collaboration and working across time zones
• Possess professional and technical communication skills in English

Responsibilities

• Develop backend systems using Node.js, TypeScript, and Express.js
• Utilize LangChain to interface with LLMs
• Perform LLM prompt engineering and fine-tuning
• Work with PostgreSQL database
• Use at least one cloud provider (Google Cloud preferred, AWS acceptable)
• Design and implement microservice architectures
• Write and maintain comprehensive tests for backend systems
• Collaborate asynchronously and across time zones
• Communicate professionally and technically in English

Preferred Qualifications

• Have experience with Terraform
• Be familiar with CircleCI
• Have PHP knowledge
• Have prior experience integrating third-party AI vendors
• Have a background in media, publishing, or newsroom technology