Senior Backend Engineer for AI-Powered APIs

Probe CX; Ōrākei; On-site; NZD 120,000 - 180,000; Full time

Job summary

Convai in Auckland is seeking a Senior Backend Developer with 5+ years of experience to join our technology team and build scalable, AI-powered products. The role focuses on backend services, REST APIs, and integrations, with opportunities to shape architecture and engineering practices.

You will work with Node.js, TypeScript, and JavaScript, hands-on with LLMs and Generative AI, and collaborate with cross-functional teams to deliver robust AI-powered workflows in a modern, performance-driven

Qualifications

• 5+ years of software development experience.
• Strong Node.js, TypeScript & JavaScript skills.
• Experience building scalable backend systems and REST APIs.
• Hands-on experience with LLMs, Generative AI, or Conversational AI.
• Experience integrating AI/LLM APIs into applications.

Responsibilities

• Build scalable backend services and REST APIs using Node.js and TypeScript.
• Integrate LLMs and Generative AI into production applications.
• Develop Conversational AI, chatbots, AI assistants, and intelligent workflows.
• Work with databases, third-party APIs, cloud services, and distributed systems.
• Collaborate with React/frontend teams when required.
• Participate in architecture, code reviews, optimisation, and technical design.
• Mentor junior developers and contribute to engineering best practices.

Skills

Node.js

TypeScript

JavaScript

REST APIs

LLMs / Generative AI

React

Tools

Git

OpenAI API

Azure OpenAI

Job description

Convai in Auckland is seeking a Senior Backend Developer with 5+ years of experience to join our technology team and build scalable, AI-powered products. The role focuses on backend services, REST APIs, and integrations, with opportunities to shape architecture and engineering practices.

You will work with Node.js, TypeScript, and JavaScript, hands-on with LLMs and Generative AI, and collaborate with cross-functional teams to deliver robust AI-powered workflows in a modern, performance-driven