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Founding Senior Payments Engineer – Backend & Blockchain
Location: Remote
Type: Full-time
Product: Ihsan Pay
Type: Full-time
Product: Ihsan Pay
Website: https://ihsan.com/
Social Media: https://www.instagram.com/sultansamuelaziz/
YouTube: https://www.youtube.com/@sultansamuelaziz/
Social Media: https://www.instagram.com/sultansamuelaziz/
YouTube: https://www.youtube.com/@sultansamuelaziz/
Stack: Go, TypeScript, PostgreSQL, React Native, Solana
About Ihsan Pay
Ihsan Pay is building a self-custodial stablecoin payment system that feels as simple and familiar as a modern bank account.
It will be integrated into the Ihsan messenger and enable users to:
- Hold stablecoins in self-custodial wallets
- Send money directly through conversations
- Pay and receive money through QR codes
- Accept payments as a local or online merchant
- On-ramp from and off-ramp to local bank accounts
- Spend via a connected Visa debit card
Our goal is to hide the complexity of wallets, blockchain addresses, seed phrases and network fees while allowing users to retain control over their money.
The role
We are looking for a senior backend and blockchain engineer to become one of the founding technical owners of Ihsan Pay.
You will design and build the first version of our payment infrastructure, working closely with our existing development team.
This is not primarily a token, NFT or DeFi role. We are building reliable consumer payment infrastructure where security, accuracy and usability are essential.
What you will build
- Embedded self-custodial wallets using Privy, Turnkey or comparable infrastructure
- Stablecoin transfers on Solana
- Username and phone-number-to-wallet resolution
- Money transfers inside messenger conversations
- Personal and merchant QR payments
- Payment requests, receipts and transaction history
- Sponsored network fees and gas abstraction
- Blockchain monitoring and transaction reconciliation
- Merchant payment APIs, webhooks and checkout infrastructure
- Sumsub or Persona KYC/KYB integration
- On/off-ramp integrations with providers such as Bridge, OpenDue or similar
- Card integration with infrastructure providers such as Rain or Reap
- Secure wallet recovery and key-export flows
Your responsibilities
- Own the architecture of Ihsan Pay from prototype to production
- Build secure and scalable backend payment services
- Integrate wallet, blockchain, KYC, on-ramp and card providers
- Ensure Ihsan Pay cannot independently access users’ self-custodial funds
- Design reliable transaction-status and reconciliation systems
- Establish security standards and review payment-related code
- Document the architecture and operational procedures
- Help recruit and mentor future payments engineers
- Work closely with our mobile, backend, product and design teams
What we are looking for
- Strong production backend experience with Go, TypeScript or a comparable language
- Experience building or integrating blockchain wallets and transactions
- Practical experience with Solana and SPL tokens
- Experience with payment APIs, webhooks, idempotency and reconciliation
- Strong understanding of private-key security, transaction signing and wallet recovery
- Experience with PostgreSQL and scalable backend systems
- Ability to make architectural decisions independently
- Clear communication and strong technical documentation
- A security-first approach to financial infrastructure
Strong advantages
- Experience with Privy, Turnkey or similar embedded-wallet infrastructure
- Experience with USDC, EURC or stablecoin payment products
- Experience building a double-entry ledger
- Experience integrating on/off-ramps, card issuers or payment processors
- Experience with Helius or other Solana infrastructure
- Experience with QR payments or merchant checkout systems
- Experience building consumer fintech, wallets, remittance or neobanking products
- Experience taking a payment product from prototype to production
Who this role is not for
This role is unlikely to be suitable if your blockchain experience consists primarily of:
- Creating tokens
- NFT projects
- Trading bots
- Experimental smart contracts
- DeFi projects without production payment experience
We need someone who understands both blockchain technology and the reliability requirements of real financial systems.
Why join
- Take technical ownership of a new payment system from its foundation
- Build a product designed for meaningful global use
- Shape the architecture instead of inheriting legacy infrastructure
- Work at the intersection of stablecoins, messaging and everyday payments
- Grow into a leadership position as the engineering team expands
- Competitive compensation and meaningful long-term equity participation
How to apply
Apply via email to vincent@ ihsan.com.
Please submit:
- Your CV
- LinkedIn profile
- GitHub or relevant technical portfolio
- Your current location and time zone
- Your availability
Please answer these three questions:
- What was the project closest to Ihsan Pay that you worked on? (Please share the website, App Store and Google Play Store links.)
- Do you have experience working with the mentioned partners like Sumsub, Persona, Rain, Reap, Bridge, Due, Privy, Turnkey or similar?
- Why are you interested in this position, and which of your experiences do you think can be especially valuable for what we are building?
What does a Golang developer in web3 do?
A Golang (Go) developer who works in the web3 space likely focuses on creating and implementing decentralized applications (DApps) using Go and the web3 stack
This stack typically includes technologies like blockchain, smart contracts, and distributed systems
Go is a popular programming language for developing web3 applications because of its simplicity, performance, and support for concurrent programming
The specific tasks and responsibilities of a Golang developer in the web3 space may vary depending on the project and organization they are working for.