Join NinjaTech AI as a Software Development Engineer: you will learn and use the latest tech to innovate, build and scale long-running AI agents, intelligent Apps and automations (B2B and B2C), powered by SuperNinja - our advanced agentic AI platform with full OS capabilities. /n About the Company: /n NinjaTech AI is a generative AI startup with headquarters in Silicon Valley and a subsidiary in Sydney. NinjaTech AI is backed by Alexa Fund and Samsung Ventures and we are on track to raise Series A funding in 2026. /n You will contribute to building an agentic AI platform featuring autonomous long-running AI agents, each on dedicated computers with browser, code editor, terminal, and tool integrations. Our AI Agents handle tasks like browsing, coding, workflow automation, data analysis, reporting, building AI-native apps, competitive intelligence, and content production.

About the Role: /n The Software Engineer is a full-time position, based at our Sydney office (5 days on-site; fantastic office space, free daily meals). Our team works in a fast-paced and collaborative workplace. We get a lot done when we ideate together and iterate quickly. /n The Software Engineer will design, develop, integrate and deploy various AI technologies within NinjaTech’s Agentic AI product.

You will report to the VP of Engineering (ex-AWS, onsite in Sydney) and will collaborate daily with the Chief Science and Technology Officer/Co-founder (ex-AWS, Sydney) and Founder/CEO (ex-Google, HQ), as well as our strong team of Software Engineers and Applied Scientists, PM, UX, and QA. /n What you will do: /n As a key member of our engineering team,



the Software Developer will be responsible for translating our vision and customer needs into functional and appealing interactive applications, ensuring a great user experience. /n /n

- /n Build features (end-to-end) for our web app (super.myninja.ai) /n
- /n Bring expertise in performance and optimization to improve our applications for smooth and fast user experience. /n
- /n Develop and maintain documentation for the platform, including API documentation. /n
- /n Write clean, efficient, and well-documented code in React, Next.js, Python and ensure code quality through automated testing and continuous integration and deployment. /n
- /n Participate in code reviews and provide constructive feedback to other members of the team. /n
- /n Troubleshoot and debug issues that arise in the platform, and implement solutions to prevent recurrence. /n
- /n Collaborate with product management to define and prioritize product requirements, ensuring technical feasibility and alignment with company goals and user requests. /n
- /n Leverage RESTful APIs and web sockets for rapid communication with our backend systems. /n
- /n Unit-test code for robustness, including edge cases, usability, and general reliability. /n
- /n Continuously discover, evaluate,



and implement new technologies to maximize development efficiency. /n /n Required Experience: /n /n
- /n 1+ year(s) of experience in software development, with a focus on building scalable and reliable web applications. /n
- /n Generalist mindset: you're comfortable working across frontend, backend, and infra. You see every layer as an exciting opportunity to make an impact. /n
- /n Professional experience in at least one of: Python, React, Node.js, or Next.js and curiosity to learn the rest /n
- /n Familiarity with cloud platforms (AWS strongly preferred) and databases (Supabase, PostgreSQL, DynamoDB, Firebase, etc.) /n
- /n Systematic thinker: you design before you code and you care about how things are built, not just that they work /n
- /n Ownership mentality: you take problems from start to finish without needing to be told what's next /n
- /n Strong problem-solving skills and ability to work in a team environment. /n
- /n Bachelor's degree in Computer Science or relevant field preferred. /n /n Nice to Have: /n /n
- /n Startup experience: you've shipped in fast-moving, ambiguous environments /n
- /n End-to-end projects you've built yourself (side projects, open source, hackathons) /n
- /n Experience with TypeScript, WebSockets, CI/CD pipelines, or service-oriented architectures /n
- /n Interest in AI/ML and how large language models work /n /n Benefits: /n NinjaTech AI offers excellent benefits: /n /n
- /n Annual Health insurance subsidy /n
- /n Superannuation /n
- /n Paid Time Off (Vacation, Sick & Holidays) /n
- /n Paid meals and snacks /n
- /n Stock Option Plan /n

📌 Full Stack Software Engineer - Agentic AI (Sydney)
🏢 NinjaTech AI
📍 Sydney