Product Engineer

Founding Team Expectations Currently funded through Launch Good, Pay Good is positioned to develop a fintech payment processing product that treats everyone fairly—beginning with the Muslim community and extending to all. Learn more about it here:

Joining the founding team at  means stepping into a builder’s role where you will be responsible for leading the product from zero to one. As a founder, you will:

• Own the Mission: Take full accountability for the development, growth, and operational success of Pay Good.
• Strategize and Execute: Define the vision and drive execution to deliver a best‑in‑class fintech product. Understand customer needs, analyze market opportunities, and lead the charge in turning ideas into impactful solutions.
• Focus on Customers: Engage directly with users to address their pain points, ensuring the product meets their evolving needs. Build trust and maintain open communication with stakeholders.
• Collaborate and Solve Problems: Partner with engineers and other team members to overcome technical and operational challenges, ensuring seamless product functionality and integration.
• Navigate Ambiguity: Lead with resilience and adaptability, taking on the challenges of early‑stage growth with creativity and resourcefulness.

About the Role As a Product Engineer specializing in Fintech
, you’ll be instrumental in building our payment processing platform with a relentless focus on developer experience and customer obsession. You’ll design and build the systems that other developers and businesses will integrate with—creating intuitive SDKs, robust APIs, and developer‑friendly tools that make payment processing seamless and delightful.

Your work will bridge technical excellence with deep customer empathy. You’ll spend time understanding how developers think, what merchants need, and how end‑users experience payments. This insight will shape everything you build—from API design decisions to SDK ergonomics to integration documentation. You will own the complete stack; starting from ideation to the backend and infrastructure components, to the final UX (frontend systems) that customers and developers will consume.

You will intimately work with Launch Good engineering & product teams as a way to ensure alignment and effective collaboration.

• Design and develop SDKs, client libraries, and APIs that developers love to integrate with—prioritizing clarity, consistency, and ease of use.
• Build abstraction layers that wrap and unify diverse payment processor APIs into a cohesive, elegant interface that hides complexity while maintaining flexibility.
• Create comprehensive documentation, code examples, and integration guides that enable developers to go from zero to production quickly.

• Engage directly with customers (merchants, developers, and end‑users) to deeply understand their unique payment scenarios and pain points.
• Address complex use cases such as split payments, usage‑based billing, subscription management, and multi‑party transactions.
• Translate customer feedback and market needs into technical solutions that scale across diverse business models.
• Design and implement secure, resilient backend systems for our payment gateway and merchant portal.
• Architect for scalability and reliability using appropriate system design patterns that support high availability and fault tolerance.
• Ensure seamless integration with CRMs like Salesforce, accounting systems, and other business tools that merchants depend on.

• Maintain production systems through on‑call rotations, monitoring, and proactive issue resolution.
• Instrument applications with observability tools to understand system behavior and customer experience.
• Collaborate with other stakeholders to test and refine system constraints in partnership with payment processors and providers.
• Build and maintain CI/CD pipelines and comprehensive automated test suites (unit, integration, and end‑to‑end).

• 5+ years building products that other developers or systems integrate with (SDKs, APIs, developer tools, B2B…