[Remote] Full Stack Software Engineer

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, Gen AI, 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. Responsibilities Full Stack Development Design and build modern web applications with React JS and Node.js (Type Script) 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 Git Hub Actions, Docker, and Dev Ops best practices AI/LLM Integration Build autonomous agents and AI-powered features using LLMs, RAG, and Gen AI Integrate APIs like Open AI, Claude, etc. Work with frameworks like Lang Graph 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 React JS, Node.js, Type Script Experience with Docker, and CI/CD AI/LLM Experience Recent transition into Gen AI, LLMs, NLP, and RAG Mastery of LLM APIs (Open AI, Claude, etc.) Experience with Python or Type Script 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 Gen AI. 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 Gen AI and AI-driven solutions is a plus Bachelor's degree in Computer Science, Engineering, or related field Company Description Tech Vantage 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 Tech Vantage, we bridge the gap between business and technology, delivering scalable, world-class solutions from New Zealand.