I will develop fintech app finance app payment app loan app wallet app

E
efrain_lowe1
E
efrain_lowe1
efrain

About this gig

Fintech app, finance app, payment app, loan app, wallet app built for founders, startups and businesses that need a secure digital platform for crypto, fiat or hybrid payments with real transaction logic, strong security and long term scalability.


The focus is not just on making app that functions but on delivering a production ready fintech product design for real users, real money flow and sustainable growth. Your platform can support crypto assests, fiat currencies or both depending on your business model.


FEATURES can include secure user authentication, wallet balance management, send and receive functions, transaction history, payment gateway integration, optional KYC or verification flow, QR or P2P payments and an admin dashboard for user and transaction control.


Every build is fully custom not a recycled template.


This service is structured around clean system design, reliable backend logic and user flows that meet real fintech standards.


Share your idea, target users and payment flow to get started.


MESSAGE ME

Get to know efrain

efrain

Full Stack Developer, Open for Contract

  • FromArgentina
  • Member sinceApr 2026
  • Languages

    English
Hello, I'm Efrain — a Full Stack Software Engineer with strong experience in Next.js, Firebase, and Python frameworks. I also specialize in AI integrations, including DeepSeek, Claude, and OpenAI (GPT, TTS/STT, embeddings) along with building scalable SaaS architectures, subscription systems, and AI-driven automation flows. Whether you need a new product or want to improve an existing one, I build solutions that scale, perform, and make a real impact.

Other Mobile App Development Services I Offer