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Selfin is a stealth fintech startup building the first AI bank.

Requirements

• Strong Python skills and hands-on experience with LLMs or GenAI tools

Responsibilities

• LLM training (o4/5, claude), prompt engineering, fine-tuning
• Python, Cloud infrastructure (GC), API integration
• Swift (iOS), Flutter, HTML, CSS, Java Script
• Help design secure, scalable systems for financial data
• Work directly with the founders and shape product and tech direction
• Move fast and independently—this is not a narrow role

Other

• Bacherlor, Master or PHD in Computer Science or related engineering degree from a top university
• Willing to work onsite in San Francisco or London (we sponsor US/UK visas)
• Bonus points for: hackathons, publications, side projects, startup experience
• People that are excited to own real responsibility from day one
• Key role in a AI fintech shaping the future of banking
• Autonomy, speed, and full visibility into product and company building