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Technical Co-Founder / Founding Payments Engineer

Engineering & ProductRemoteUnited StatesFractionalEquity-based co-founder opportunity. DigiPae is currently pre-funding with no guaranteed cash compensation. Equity will be negotiated based on experience, responsibility, and commitment and documented under a 4-year vesting schedule with a 1-year cliff. Future salary expected after funding or sufficient revenue.

About DigiPae

DigiPae is an early-stage fintech and digital identity platform being built by CEIVIS LLC. The product brings together payments, connected financial accounts, QR-based payment functionality, transaction management, digital identity, identity verification, and credential/document management.

We are moving from active product development toward production hardening, controlled beta testing, and an initial merchant launch.

The Role

We are looking for a hands-on Technical Co-Founder / Founding Payments Engineer to take technical ownership of DigiPae and help move the product into a secure, reliable production environment.

This role begins fractional and is expected to transition toward full-time as DigiPae approaches launch and funding.

Responsibilities

  • Review and strengthen the existing DigiPae architecture
  • Own production readiness across mobile and backend systems
  • Strengthen React Native, Expo, TypeScript, and Convex development
  • Own Stripe/payment integrations
  • Own Plaid and bank connectivity
  • Strengthen identity-verification integrations
  • Improve QR-payment workflows
  • Build reliable transaction and ledger handling
  • Implement webhook reliability and idempotency
  • Handle successful, pending, failed, and refunded transaction states
  • Improve transaction reconciliation
  • Build safe retry and failure-recovery mechanisms
  • Strengthen authentication and authorization
  • Implement monitoring, logs, alerts, and observability
  • Build automated tests for critical financial flows
  • Support App Store and Google Play production releases
  • Resolve beta and pilot-stage incidents
  • Help establish future engineering standards and team structure

Preferred Experience

  • Strong backend/API engineering
  • React Native / TypeScript
  • Production systems
  • Stripe or similar payment systems
  • Plaid or banking APIs
  • Fintech/payments
  • Financial ledgers
  • Webhooks
  • Idempotency
  • Transaction reconciliation
  • Authentication/security
  • Distributed systems
  • Failure-state handling

Commitment

  • At least 20 hours/week initially
  • Increasing commitment as DigiPae approaches launch and funding
  • Long-term founding-team interest

Apply

Takes a couple of minutes. No account required.

PDF, DOC, DOCX, TXT or RTF, up to 10 MB. No current CV? A LinkedIn, GitHub or portfolio link above works instead.

A few role-specific questions. Answer honestly — a "no" is not an automatic rejection, and we read these ourselves.

A range is fine. We won't ask what you currently earn.

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