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Experience: 4+ yrs

Location: Anywhere across the globe

Job Type: Full-time

We are looking for a highly hands-on Founding Engineer to help build a fintech and neobank platform from the ground up. This role is suited for an engineer who combines strong backend architecture expertise with the ability to write production-grade code and take complete ownership of critical technology initiatives.

You will work closely with the founders to design and build core financial infrastructure covering KYC/KYB, accounts, payments, cards, FX, and multi-currency money movement . The role requires deep ownership, strong engineering judgment, and experience building reliable financial systems where correctness, security, resilience, and operational visibility are critical.

Requirements Key Responsibilities

- Design and build the core architecture of a fintech/neobank platform from the ground up
- Develop production-grade backend services for accounts, payments, cards, KYC/KYB, FX, and multi-currency transactions
- Design provider-independent integrations with banks, payment providers, card networks, and financial infrastructure partners
- Build reliable financial ledger, reconciliation, and transaction-processing systems
- Design transaction state machines covering successful, pending, failed, reversed, and recovery scenarios
- Implement robust idempotency, retries, webhook processing, failure recovery, and event-driven workflows
- Design secure and scalable APIs, databases, queues, and supporting infrastructure




- Implement access controls, transaction limits, risk controls, and operational safeguards
- Build monitoring, logging, alerting, and operational tooling required to support production financial systems
- Own database architecture, data models, performance, reliability, and data integrity
- Design and manage deployment infrastructure and production environments
- Write clean, maintainable, well-tested production code and establish strong engineering standards
- Investigate complex production issues and drive root-cause analysis and sustainable fixes
- Work directly with founders to translate business requirements into scalable technical solutions
- Make pragmatic architecture and technology decisions in a fast-moving startup environment
- Contribute across the full technology stack when required, while maintaining strong backend ownership
- Continuously improve system reliability, security, scalability, observability, and engineering efficiency

What Makes You a Great Fit
- 4+ years of strong software engineering experience, with ability and impact valued alongside years of experience
- Proven experience personally shipping live fintech, payments, banking, or financial technology systems to production




- Strong hands-on experience with backend architecture, distributed systems, APIs, databases, queues, and production infrastructure
- Experience designing systems involving payments, ledgers, reconciliation, transactions, money movement, or financial integrations
- Strong understanding of idempotency, retries, webhooks, state machines, failure handling, and transaction consistency
- Experience integrating with external banking, payment, card, or financial service providers
- Strong ownership of architecture as well as hands-on implementation and production delivery
- Experience working in a startup, neobank, fintech, or high-growth technology environment is preferred
- Strong proficiency in Node.js/TypeScript is preferred; equivalent backend expertise in another modern technology stack is welcome
- Experience with PostgreSQL, Redis, AWS, Docker, and cloud-native deployment is desirable
- Familiarity with React/Next.js or full-stack development is an advantage
- Strong understanding of security, access control, data integrity, and reliability requirements for financial systems
- Ability to work independently, make sound technical decisions, and solve complex problems with limited support
- Solid communication and collaboration skills with the ability to work directly with founders and business stakeholders
- Comfortable taking broad ownership in an early-stage environment and contributing wherever engineering priorities require
- Passion for building foundational systems from zero and taking products from architecture through production

📌 Founding Engineer Genzone (Delhi)
🏢 Weekday AI (YC W21)
📍 Delhi