Fintech MVP Development: Mobile & Backend

Senior Mobile & Backend Developer Needed for Fintech MVP (Android + Backend) I am building a fintech MVP focused on digital wallet infrastructure and distributed cash access operations in emerging markets. The system will include: • Consumer Android application • Agent Android application • Backend transaction infrastructure • Admin/operations dashboard Core functionality includes: • wallet management • internal transfers • cash-in / cash-out operations • token/voucher workflows • transaction history • real-time notifications • role-based access • agent operations We are looking for an experienced full-stack developer or small team capable of designing and developing scalable financial transaction systems. Preferred stack: • Flutter (mobile) • Node.js or GoLang (backend) • PostgreSQL • Cloud deployment experience (AWS/GCP) Experience required: • fintech/payment systems • transactional architectures • wallet/ledger systems • secure authentication • REST APIs • real-time transaction handling • scalable backend systems Nice to have: • offline-first thinking • low-connectivity optimization • SMS integration • agent/merchant systems • financial reconciliation logic Project scope: Phase 1 MVP only. Applicants should provide: • portfolio • fintech/payment-related work • architecture approach • estimated timeline • preferred technology stack Important: Shortlisted candidates may be required to sign an NDA before detailed specifications are shared.