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Location: Remote
Type: Full-time
Company: Ihsan
Product: Ihsan Pay
Type: Full-time
Company: Ihsan
Product: Ihsan Pay
Website: https://ihsan.com/
Social Media: https://www.instagram.com/sultansamuelaziz/
YouTube: https://www.youtube.com/@sultansamuelaziz/
Stack: Go, TypeScript, PostgreSQL, React Native, Solana
Important requirement
Please apply only if you have personally built important backend infrastructure for a live financial product handling real customer funds.
We are especially interested in engineers who have worked on:
- Stablecoin neobanks or payment wallets
- Digital banking or money-transfer platforms
- Payment ledgers and balance systems
- Card payments and bank-transfer infrastructure
- Settlement and reconciliation systems
- High-volume financial transaction platforms
General frontend, cryptocurrency, NFT, smart-contract or DeFi experience without production payment-backend experience is not sufficient for this position.
About Ihsan and Ihsan Pay
Ihsan is building a new digital home for the global Muslim community.
Our long-term vision is to create a super-app that brings the Ummah together in one place—starting with private communication and expanding into payments, commerce, investment, media, education and more.
We believe the Muslim world should have digital infrastructure that reflects its values, protects its independence and makes it easier for Muslims across countries, cultures and languages to connect and do business.
Ihsan Pay is the financial foundation of this vision.
We are building a global stablecoin neobank that feels as simple and familiar as a modern bank account and is aligned with Islamic principles.
Users will be able to hold and use three digital balances:
- US dollars through USDC
- Euros through EURC
- Gold through PAXG
We are intentionally focusing on three carefully selected assets—not building a cryptocurrency exchange with hundreds of speculative tokens.
Integrated into the Ihsan super-app, Ihsan Pay will allow users to:
- Hold US dollars, euros and gold
- Send money using usernames and QR codes
- Receive instant payments from other Ihsan Pay users
- Deposit and withdraw through approved fiat partners
- Make local and international payments
- Accept payments as a merchant
- Use an Ihsan Pay Visa debit card
- Use gold as an everyday means of payment
- Store, spend and invest without riba (interest)
Our mission is to make payments and commerce easier, strengthen economic cooperation across the Ummah (Muslim Community) and contribute to building a more connected and prosperous Ummah.
Learn more about our vision and mission here: https://www.youtube.com/@sultansamuelaziz/
The role
We are looking for an exceptional senior or staff-level backend engineer to help build the financial core of Ihsan Pay.
You will take ownership of the backend systems that ensure every balance, transfer, deposit, withdrawal and card transaction is recorded and processed correctly.
When a user deposits $1,000, sends $100 or receives a card refund, Ihsan Pay must always know exactly what happened and what the user’s correct balance should be—even when providers send duplicate events, systems temporarily fail or transactions arrive in an unexpected order.
Your responsibility will be to make that financial infrastructure reliable, secure and auditable.
This is a hands-on engineering position. You will design the architecture and write production code—not only manage other engineers.
What you will build
- Ihsan Pay’s core payments backend
- The financial ledger that records every movement of customer funds
- Real-time balances for USDC, EURC and PAXG
- Internal transfers between Ihsan Pay users
- Username- and QR-based payment processing
- Deposit and withdrawal workflows through approved fiat partners
- Card authorization, settlement, reversal and refund processing
- Merchant-payment and settlement infrastructure
- Payment state machines and transaction lifecycles
- Idempotent APIs that prevent duplicate payments
- Reliable processing of provider webhooks and asynchronous events
- Reconciliation between Ihsan’s records, custody accounts and external providers
- Systems for identifying missing, duplicated or inconsistent transactions
- Administrative tools for investigating and correcting payment problems
- Permanent financial audit trails
- Monitoring and alerts for failed or delayed payments
- Secure access controls for sensitive financial operations
- Scalable infrastructure that can support international growth
Examples of problems you will solve
- A payment provider sends the same deposit notification three times
- A card payment is approved but settled several days later for a different amount
- A customer receives a refund after the original transaction was already reversed
- A bank transfer succeeds, but the provider webhook is delayed
- Two payment requests attempt to spend the same balance simultaneously
- An internal transfer fails halfway through processing
- Ihsan’s records do not match a custody or payment partner’s records
- A provider becomes temporarily unavailable while transactions are still in progress
The system must handle these situations without losing money, creating money, duplicating transactions or showing customers an incorrect balance.
Required experience
You should have:
- Senior or staff-level backend engineering experience
- Experience building a live financial product handling real customer funds
- Direct experience with payment ledgers, balances or transaction systems
- Strong understanding of payment lifecycles and financial state changes
- Experience with bank transfers, payment cards, wallets or stablecoin payments
- Experience processing webhooks and asynchronous payment events
- Experience designing idempotent and fault-tolerant systems
- Experience with reconciliation and settlement
- Strong PostgreSQL and data-modelling skills
- Experience investigating difficult production payment incidents
- Strong security awareness and attention to financial correctness
- The ability to design architecture and write production code
- Clear written and spoken English
- High ownership and comfort working in a founding-stage team
Technical experience
Strong experience with several of the following is expected:
- Go, TypeScript, Java, Kotlin or another suitable backend language
- PostgreSQL and transactional database design
- Double-entry financial ledgers
- Event-driven systems and message queues
- Payment state machines
- Idempotency, concurrency control and distributed-system reliability
- Webhooks, retries and dead-letter handling
- Reconciliation and settlement systems
- Card authorization, clearing, reversals and refunds
- Bank-transfer and fiat-payment integrations
- Stablecoin payment infrastructure
- Solana, USDC, EURC or tokenized assets
- Observability, audit logging and incident response
You do not need to know our exact technology stack already. Direct experience building reliable payment infrastructure is more important than experience with one particular programming language.
Strong advantages
- Built the financial core of a stablecoin neobank
- Designed a double-entry ledger handling customer funds
- Built internal transfers between users
- Integrated fiat on-ramps and off-ramps
- Integrated a card issuer or card-processing platform
- Built settlement and reconciliation systems across multiple providers
- Worked with custodians or omnibus customer-funds accounts
- Processed substantial transaction volume in production
- Helped launch a financial product across multiple countries
- Built systems subject to financial audits or regulatory requirements
- Previously worked as an early or founding engineer
- Personal alignment with our mission to strengthen and unite the Ummah
What success looks like
You will help us build a financial platform where:
- Every customer balance is accurate
- Every movement of funds has a complete record
- Duplicate events cannot create duplicate credits or payments
- Internal transfers are instant and reliable
- Deposits, withdrawals and card transactions reconcile correctly
- Provider failures do not cause customers to lose money
- Financial discrepancies are detected quickly
- The team can clearly investigate every transaction
- New payment partners can be added without weakening the system
- Ihsan Pay can grow internationally on a dependable financial foundation
Why join Ihsan?
You will help build the financial foundation of Ihsan Pay from the beginning.
Your work will determine whether users can trust every balance and every payment shown inside the product.
You will join at an early stage, shape important technical and architectural decisions and take meaningful ownership of infrastructure intended to serve the global Muslim community.
For someone who shares our mission, this is an opportunity to use your experience to help build lasting financial infrastructure for the Ummah.
How to apply
Please apply via email to vincent@ ihsan.com.
Please submit:
- Your CV
- LinkedIn profile
- GitHub or relevant technical portfolio
- Your current location and time zone
- Compensation expectations and availability
- The name and website of the most relevant financial product you helped build
- App Store and Google Play links, if available
Please answer these three questions:
- Which live payment, stablecoin or digital-banking product did you work on, what was your role and how long did you work there?
- Which ledger, balance, payment, settlement or reconciliation systems did you personally design or build?
- What transaction volume did the product handle, and can you describe one difficult financial-integrity problem you personally solved?
Direct experience building backend infrastructure for a live product handling real customer funds is required.
Apply via email: vincent@ ihsan.com
What does NFT mean?
NFT stands for non-fungible token
In the context of cryptocurrency, a non-fungible token is a unique digital asset (ussually an image) that represents ownership of a specific item, such as a work of art
Unlike cryptocurrencies like Bitcoin, which are interchangeable and can be divided into smaller units, non-fungible tokens are unique and cannot be divided or exchanged for other tokens on a one-to-one basis.
Can you make a career out of NFT?
Yes, it is possible to make a career out of NFTs
The NFT industry is rapidly growing, and as a result, there are many job opportunities emerging for individuals with a range of skills and expertise
Whether you are an artist, developer, marketer, analyst, or legal professional, there are many ways to get involved in the NFT industry and build a career
In addition, there are also many opportunities for entrepreneurs and investors to start their own NFT businesses or invest in NFTs
NFTs are being used in a variety of industries, from gaming to sports to music, and there are many opportunities to create new and innovative products and services using NFTs
To build a successful career in the NFT industry, it is important to stay up-to-date with the latest trends and developments, and to develop a strong network of contacts within the industry
You may also want to consider building your skills and expertise through training and education, such as online courses or workshops
Overall, the NFT industry offers many exciting opportunities for individuals who are passionate about digital art, blockchain technology, and innovation
With the right skills and expertise, you can build a rewarding and fulfilling career in this exciting field.
How do I start working with NFT?
If you're interested in working with NFTs, there are several steps you can take to get started:
- Build Your Network: Attend NFT events and join online communities to connect with others in the industry. This can help you build your network and learn about new opportunities.
- Create Your Own NFTs: If you're an artist or creator, consider creating your own NFTs and listing them for sale on a marketplace. This can be a great way to gain
- experience and build your portfolio.
- Educate Yourself: Begin by researching and learning about NFTs, including how they work, how they are created, and how they are used. There are many resources
- available online, such as blogs, forums, and tutorials, that can help you learn more about NFTs.
- Find Opportunities: Look for job postings and freelance opportunities related to NFTs. There are many NFT platforms, marketplaces, and companies that are hiring
- for various roles in the industry.
- Identify Your Skills: Think about your skills and experience, and consider how they might be useful in the NFT industry. For example, if you're an artist, you ,might consider creating your own NFTs, while if you're a developer, you might look for opportunities to work with NFT platforms.
What kind of job is in the NFT?
As a relatively new technology, there are several emerging NFT jobs within the NFT industry:
- NFT Analysts: Analysts research and analyze NFT market trends and provide insights to buyers and sellers.
- NFT Artist/Creator: Artists and creators are the driving force behind NFTs, and they are responsible for creating the unique digital content that is tokenized ,and sold as NFTs.
- NFT Consultants: Consultants provide advice and guidance to creators and platforms on best practices for creating, listing, and selling NFTs.
- NFT Legal Advisors: Lawyers are needed to navigate the legal complexities of NFTs, including issues related to intellectual property, copyright, and tax laws.
- NFT Marketing Specialists: Marketing specialists help creators and platforms to promote their NFTs and attract buyers.
- NFT Developers: Developers are responsible for creating the NFT platforms that allow creators to mint, list, and sell their NFTs.
- NFT Go-to-Market Specialist is a marketing professional who specializes in developing and executing strategies to bring NFTs to market. This role involves working closely with NFT creators, platforms, and marketplaces to develop marketing plans that promote NFTs and drive sales.