Backend Developer - Conversational AI
Summary
Senior backend developer (5+ yrs) at Convai (Probe Group) in Auckland building scalable Node.js/TypeScript services and REST APIs that power conversational AI — integrating LLMs and generative AI into chatbots, AI assistants, and intelligent workflows, with cloud, database, and distributed-systems work.
At Probe Group, we're powered by passion, driven by curiosity, enriched by a purpose to do it better. We work hard and love a good challenge (or multiple). With clients spanning across the Pacific, Asia and North America, we’re no stranger to thinking big and working with innovative minds to achieve great success. We are dedicated to doing things better than the day before, and our exponential growth is living proof that we have stayed true to this ethos. At Probe, expect to think differently, challenge the norm and find your purpose.
About Convai
Convai is a cutting-edge Conversational AI company building intelligent, lifelike AI characters for virtual worlds, gaming, XR, and interactive experiences.** Combining LLMs, Generative AI, voice, memory, and real-time interaction, Convai is shaping the future of how people interact with AI.
About the Role
We’re looking for a Senior Backend Developer with 5+ years of experience to join our technology team and build scalable, AI-powered products.
You’ll work on building scalable backend services, APIs, integrations, and intelligent AI-powered workflows in a collaborative environment with a strong focus on innovation, ownership, and work-life balance.
Key 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.
Requirements
- 5+ years of software development experience.
- 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.
- Experience with React.
- Strong understanding of databases, APIs, Git, and modern development practices.
Nice to Have
Experience with OpenAI, Azure OpenAI, Anthropic, Gemini, RAG, vector databases, AI agents, AWS/Azure/GCP, microservices, or event-driven architectures.