[Remote] Full Stack Software Engineer (React, Node.js, GenAI) - Full-time...

Location : Remote (New Zealand time zone) Type : Contractor / Full-Time

Hours : Flexible, with at least 2–3 hours of overlap with NZT (6–10 PM BRT)

Start Date : Immediate

About the Role

We’re supporting one of our international clients on a project that combines green field projects with generative AI. We’re looking for an experienced full stack engineer to help develop autonomous agents that analyse, recommend, and implement real-time improvements. This role is perfect for someone with at least 8+ years of experience as a Software Engineer who, in recent years, has been diving deep into the world of LLMs, GenAI, and applied AI. You’ll have full autonomy to make technical and product decisions, working directly with the founders no product managers or rigid processes.

ResponsibilitiesFull Stack Development

Design and build modern web applications with ReactJS and Node.js (TypeScript)

Work closely with the founders to define architecture, technical roadmap, and engineering culture

Ensure quality, security, and scalability from the very first commit

Automate CI / CD pipelines using GitHub Actions, Docker, and DevOps best practices

AI / LLM Integration

Build autonomous agents and AI-powered features using LLMs, RAG, and GenAI

Integrate APIs like OpenAI, Claude, etc.

Work with frameworks like LangGraph or custom architectures

Create real-time data ingestion and transformation pipelines

Design integration protocols like Model Context Protocol (MCP)

Requirements

Technical Experience

Advanced English is a must , both written and spoken. You’ll be working directly with international stakeholders and founders.

8+ years of experience in software engineering, with strong full stack development background specially with Node.js, C#, Java, etc

Proficient in ReactJS, Node.js, TypeScript

Experience with Docker, and CI / CD

AI / LLM Experience

Recent transition into GenAI, LLMs, NLP, and RAG

Mastery of LLM APIs (OpenAI, Claude, etc.)

Experience with Python or TypeScript for AI applications

Ability to build smart integrations and data pipelines

Desirable

Previous experience in startups or high-autonomy environments (no PMs, testers, direct reporting to founders)

Experience with rapid prototyping and MVP validation

Ideal Profile

Experimental : Enjoys testing new tools and exploring emerging technologies

Builder : Loves building products from scratch and iterating fast

Thoughtful : Always considers security and performance from the design stage

Collaborative : Communicates well with both technical and non-technical stakeholders

What We Offer

International project with heavy use of generative AI

Small, collaborative, and highly autonomous technical team

Flexible, remote work environment built on trust

Real opportunity to shape the product and influence company decisions

Role Description

This is a full-time remote role for a Full Stack Software Engineer specializing in React, Node.js, and GenAI. The engineer will be responsible for developing and maintaining web applications, working on both front-end and back-end development tasks. Day-to-day tasks include coding, debugging, and collaborating with the engineering team to ensure high-quality software delivery. The engineer will also participate in code reviews and contribute to technical documentation.

Qualifications

Back-End Web Development skills, including Node.js

Front-End Development skills, including React

Full-Stack Development experience

Proficiency in Cascading Style Sheets (CSS)

Strong understanding of software development principles

Excellent problem-solving abilities and attention to detail

Ability to work independently and remotely

Experience with GenAI and AI-driven solutions is a plus

Bachelor's degree in Computer Science, Engineering, or related field

Company Description

TechVantage Solutions is a New Zealand-based software consultancy that specialises in software development outsourcing and engineering team augmentation. We empower businesses, from fast-moving startups to global enterprises, to build, scale, and deliver high-quality software with speed and confidence. Our partnerships span the globe, including companies serving Fortune 500 clients, to solve complex technical challenges, accelerate delivery, and strengthen engineering capabilities. At TechVantage, we bridge the gap between business and technology, delivering scalable, world-class solutions from New Zealand.