Software Engineer

🚀 WE'RE HIRING — JUNIOR SOFTWARE ENGINEER (FLUTTER / FULL-STACK / AI)
📍 Ho Chi Minh City, Vietnam (Remote)
💼 Full-time | Fresher / Junior
About Nutree AI
Nutree AI is an AI-powered nutrition and wellness app helping people eat better, understand their nutrition, and build healthier habits.
We're a fast-moving startup with a live product and real paying customers. Our engineering team currently consists of two full-stack technical founders, and we're looking for our third engineer.
What You'll Do
Develop and ship features for our Flutter mobile application.
Build and integrate LLM-powered features into real user experiences.
Work with LLM APIs, prompt engineering, structured outputs, and tool/function calling.
Develop backend integrations using Firebase, APIs, and cloud services.
Optimize AI features for latency, reliability, and API costs.
Own product features from development to testing and production.
Leverage Claude Code, Cursor, and other AI coding tools to accelerate development.
Must-Have Requirements
Final-year students, fresh graduates, or junior engineers with 0–2 years of experience.
Strong fundamentals in programming, data structures, algorithms, and software engineering.
Hands-on experience with LLM APIs (Claude, OpenAI, Gemini, etc.) in at least one real project.
Understanding of prompt engineering, structured outputs (JSON), and LLM API integration.
Experience with Flutter/Dart or another mobile development framework.
Familiarity with REST APIs, databases, Git, and backend fundamentals.
Experience developing real applications through internships, freelance work, personal projects, or professional employment.
Ability to debug, test, and maintain both manually written and AI-generated code.
Nice to Have
Experience with LLM tool/function calling, RAG, or AI agents.
Experience with Firebase, Cloud Functions, or Google Cloud.
Experience shipping applications to the App Store or Google Play.
Familiarity with LLM evaluation, observability, and cost optimization.
Experience working in a startup or building your own product.
🎓 We particularly encourage candidates from HCMUS (University of Science, VNU-HCM) and HCMUT (Ho Chi Minh City University of Technology) to apply. Strong candidates from other universities are equally welcome.
Why Join Nutree AI?
Work directly with technical founders.
Build AI-powered features used by real paying customers.
Gain hands-on experience across mobile, backend, and production LLM systems.
Take ownership of features from idea to production.
Work in an AI-native engineering environment with access to modern AI development tools.
Help shape the technical direction of an early-stage AI startup.
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Work arrangement
Yes