This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Ruby Developer (Ruby & Go) based in India.
This is a senior backend engineering opportunity focused on building and scaling secure, reliable payment infrastructure for a global fintech setting. You will take ownership of the backend powering payment portals and integrations with payment service providers. The role combines Ruby on Rails expertise with Go development for high-throughput and latency-sensitive services. You will design end-to-end deposit and withdrawal flows while ensuring robust transaction processing, reconciliation, and failure handling. Security and reliability are central, with a strong focus on financial data protection and compliance. You will also contribute to technical direction, mentor engineers, and help evolve a high-performing international engineering environment.
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Accountabilities
Design, build, maintain, and own backend services using Ruby on Rails and Go, with a focus on scalability, reliability, and maintainability.




Lead the integration of new payment service providers and payment methods, including cards, bank transfers, cryptocurrency, and local payment solutions.
Build and maintain end-to-end deposit and withdrawal workflows, ensuring secure and consistent movement of funds across the platform.
Design, implement, and consume PSP APIs, webhooks, callbacks, and other integration mechanisms.
Develop transaction routing, status tracking, reconciliation, and payment lifecycle logic.
Implement robust handling for payment states, retries, idempotency, failures, and edge cases to ensure resilient transaction processing.
Maintain strong security controls for payment information and support compliance requirements, including PCI DSS.
Monitor existing payment provider integrations, troubleshoot issues, and proactively improve reliability and performance.
Develop reporting, logging, and observability

📌 Senior Ruby Developer (India)
🏢 Jobgether
📍 India