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Build and iterate the full app stack including backend APIs and mobile front-end experiences, rapidly prototype MVPs, and collaborate with AI and design teams.
Founder-minded full-stack engineer with deep mobile app development skills (React Native or Flutter), backend experience with Node.js/Django/FastAPI, cloud deployment knowledge, and passion for rapid prototyping and AI integration.
About the JobAbout Us Tunjio Labs is a forward-thinking company dedicated to innovation and excellence. We are passionate about solving real-world problems with world-class products. For our Stealth Dating/Relationship Re-imagine Project, we are reimagining how people connect, communicate, and build meaningful relationships — powered by AI, data, and human-centered design. We are looking for a Zero-to-One Software Engineer: Full Stack, Mobile (iOS/Android) — someone who thrives in ambiguity, builds with intention, and is excited to co-create the foundation of a transformative relationship platform. This is not a traditional job — it’s an opportunity to co-build from zero, with equity-based compensation and a chance to shape the future of human connection. Role Overview We’re seeking a founder-minded full-stack engineer with deep experience in mobile app development (iOS/Android) and backend systems. You’ll be responsible for turning early product concepts into real, usable prototypes — designing for speed, scalability, and emotional intelligence. You will: ✔ Architect and build the first version of the relationship app — from backend APIs to mobile front-end experiences. ✔ Collaborate closely with product, AI, and design teams to translate ideas into tangible, delightful user experiences. ✔ Prototype rapidly — shipping MVPs, testing hypotheses, and iterating with speed. ✔ Integrate AI and data-driven features that personalize user journeys and foster meaningful interactions. ✔ Lay down technical foundations for performance, security, and scalability as the product grows. Who You Are You are a builder at heart — a hands-on engineer who thrives in early-stage chaos, thinks like a founder, and creates with purpose. You are: • Skilled in full-stack development, comfortable moving between frontend and backend with ease. • Proficient in React Native or Flutter (for mobile), and frameworks like Node.js, Django, or FastAPI for backend. • Experienced in RESTful APIs, GraphQL, and cloud deployment (AWS, GCP, or similar). • Comfortable with database design (SQL/NoSQL) and integrating third-party APIs. • Passionate about building intuitive mobile experiences that balance technology with empathy. • Curious about how AI and psychology can blend to improve digital connection. • Independent, resourceful, and driven — you ship, test, and learn fast. Key Responsibilities 🔹 Product Development: Build and iterate the full app stack — backend, mobile frontend, and integrations. 🔹 Mobile Engineering: Deliver a seamless, cross-platform experience across iOS and Android. 🔹 System Design: Define core technical architecture, API layers, and data structures. 🔹 Collaboration: Work closely with AI engineers, designers, and content strategists to bring the relationship experience to life. 🔹 Performance & Security: Ensure the app is fast, secure, and scalable as usage grows. 🔹 Rapid Prototyping: Translate early concepts into live, testable features within days — not months. Compensation This is an equity-based role — you’ll be a co-founder-level technical builder, owning a stake in the product’s success and shaping the technical DNA of a category-defining relationship platform. Who This Role Is For • You’re passionate about building from scratch, not maintaining existing systems. • You love solving real human problems through elegant code and thoughtful design. • You believe technology should enhance connection, not distraction. • You want to build something meaningful, not just work on another app. • You’re ready to ship, learn, and iterate fast with a small, mission-driven founding team. If you’re ready to build the foundation of a reimagined relationship experience, let’s talk.
This job posting was last updated on 10/11/2025