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- Tasks: Lead the development of a unique platform using Flutter and FastAPI.
- Company: Join Unknown Systems, a pioneering company focused on unexplained phenomena.
- Benefits: Enjoy equity, flexible hours, and a remote-first culture.
- Why this job: Be part of an exciting startup and shape a community-driven product.
- Qualifications: 10+ years experience, with 5+ in Flutter, Python, and AWS required.
- Other info: Ideal for those passionate about AI and community engagement.
The predicted salary is between 36000 - 60000 £ per year.
Company: Unknown Systems
Location: Remote (London-based preferred)
Job Type: Equity-Only | Part-Time or Flexible Hours
About the Role
Unknown Systems is building Nanu, a groundbreaking platform that investigates unexplained phenomena through community-submitted experiences and AI-powered tools. We are looking for a Senior Full Stack Developer to join us at a pivotal moment. This is an equity-only role perfect for someone excited by early-stage building, who wants to help launch something truly unique.
You’ll Be Responsible For:
- Leading frontend and backend development of the Nanu platform
- Building scalable features using Flutter and FastAPI
- Collaborating closely with our founder and lead developers
- Contributing to architecture, infrastructure, and product evolution
- Helping shape the future of a global community-driven product
Our Tech Stack:
- Frontend: Flutter (iOS, Android, Web)
- Backend: FastAPI, Python
- Database: PostgreSQL
- Auth: AWS Cognito
- Infra: Redis, Alembic, SQLAlchemy, Pydantic, Pytest
- AI: OpenAI API integrations
- Feed: Multi-factor ranking system for personalised content
You’re a Great Fit If You:
- Have 10+ years of experience (min 5+ with Flutter, Python, AWS)
- Love building clean, scalable, production-ready apps
- Thrive in startup environments and take ownership
- Are curious, open-minded, and mission-driven
- Bonus: experience with AI, community platforms, or content moderation
What We Offer:
- Equity in a high-potential, early-stage company
- Flexible hours and remote-first culture
- Influence over product and technical direction
- A chance to build something that truly matters
Senior Full Stack Developer (Equity Only | Remote | Flutter + FastAPI) (Leigh) employer: Unknown Systems
Contact Detail:
Unknown Systems Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Full Stack Developer (Equity Only | Remote | Flutter + FastAPI) (Leigh)
✨Tip Number 1
Familiarise yourself with the specific technologies mentioned in the job description, especially Flutter and FastAPI. Consider building a small project or contributing to an open-source project using these technologies to showcase your skills.
✨Tip Number 2
Engage with the community around AI and community-driven platforms. Join relevant forums or social media groups where you can discuss ideas and trends, which could help you connect with like-minded individuals and potentially the founders of Unknown Systems.
✨Tip Number 3
Prepare to discuss your previous experiences in startup environments during any interviews. Highlight how you've taken ownership of projects and contributed to their success, as this aligns well with the company's culture.
✨Tip Number 4
Research Unknown Systems and their product, Nanu. Understanding their mission and vision will allow you to tailor your conversations and demonstrate your genuine interest in being part of their journey.
We think you need these skills to ace Senior Full Stack Developer (Equity Only | Remote | Flutter + FastAPI) (Leigh)
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Flutter, FastAPI, and Python. Emphasise any relevant projects or roles that showcase your ability to build scalable applications and work in a startup environment.
Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the mission of Unknown Systems. Discuss how your background aligns with their needs and mention specific experiences that demonstrate your capability to contribute to the Nanu platform.
Showcase Relevant Projects: If you have worked on similar projects, especially those involving AI or community-driven platforms, include links or descriptions of these projects in your application. This will help illustrate your hands-on experience and technical skills.
Highlight Your Startup Experience: Since this role is in a startup environment, make sure to highlight any previous experience you have in such settings. Discuss how you’ve taken ownership of projects and contributed to product evolution in fast-paced environments.
How to prepare for a job interview at Unknown Systems
✨Showcase Your Technical Skills
Be prepared to discuss your experience with Flutter and FastAPI in detail. Highlight specific projects where you've built scalable applications, and be ready to demonstrate your understanding of the tech stack mentioned in the job description.
✨Emphasise Your Startup Experience
Since this role is in a startup environment, share examples of how you've thrived in similar settings. Discuss your ability to take ownership of projects and adapt to changing requirements, as this will resonate well with the company's needs.
✨Demonstrate Your Passion for the Mission
Unknown Systems is looking for someone who is mission-driven. Make sure to express your enthusiasm for building community-driven products and how your values align with their goal of investigating unexplained phenomena.
✨Prepare Questions About the Role
Have thoughtful questions ready about the company's vision, the Nanu platform, and how you can contribute to its success. This shows your genuine interest in the role and helps you assess if it's the right fit for you.
