Flutter Developer

About the Opportunity:

We’re looking for a Founding Engineer to bring our MVP to life. You’ll work closely with the founder to architect, develop, and ship a cross-platform mobile app integrating speech transcription, large language models, and visual reflection tools. This is a hands-on, full-stack role with a focus on Flutter, AI APIs, and secure data handling.

Responsibilities of the Candidate:

Lead development of the RETVRN MVP mobile app in Flutter (iOS & Android) Integrate voice recording and speech-to-text transcription using Whisper API or similar Set up secure, encrypted storage for user audio and transcripts Use GPT-4o (via API or prompt engineering) to summarize emotional tone, themes, and developmental stage Design and deliver reflective prompts based on user transcripts Build a clean and minimal evolution timeline interface Collaborate on user experience design that prioritizes trust, clarity, and introspection Ensure high standards for privacy, data security, and performance Iterate rapidly based on feedback and prototype testing

Requirements:

Flutter & Dart: Strong experience building and deploying cross-platform mobile apps AI Integration: Experience with OpenAI, Whisper, AssemblyAI, or similar APIs LLM Prompt Engineering: Ability to craft and test prompts that drive meaningful reflection Cloud Functions & Storage: Familiarity with Firebase or similar (secure storage & auth) Data Privacy: Understanding of encryption, data protection practices, and ethical AI use UX Mindset: Ability to design intuitive, human-centered interfaces Startup Agility: Comfortable wearing many hats and working with ambiguity Communication: Clear, thoughtful collaborator with strong written/verbal skills Background in backend services: (Node.js, Python, Firebase Functions, etc.)