Senior Integration Developer

Senior Integration Developer Company: Recrui8 Job Location: Pimpri-Chinchwad, Maharashtra, India Employment Type: Full-time Experience Required: 9 - 15 years Role: Senior Integration Developer (SaaS Platform) Location: Pune / Hybrid Experience: 9-15 years Industry Preference: High-growth SaaS / Product Engineering Availability: Immediate Joiners Preferred What were looking for 9-15 years of software development experience, with strong experience building integration logic inside product applications Proven experience designing backend workflows that interact with external systems and handle complex state and error scenarios Extensive hands-on development experience in .NET (C#) with ASP.NET MVC applications Strong database expertise in SQL Server, including writing complex queries and ensuring consistency in transactional workflows Strong hands-on expertise in React (hooks, state management, TypeScript) for building integration management and monitoring UIs, working alongside a .NET back endExperience with queue-based and event-driven designs (e.g., Azure Service Bus, SQS, Kafka), including idempotency, retry/back-off and dead-letter handling Strong understanding of application-layer data validation, transformation, and mapping Ability to design systems that are reliable, fault-tolerantc, and easy to support in production. Comfort working with evolving external requirements and translating them into stable internal logic. Strong debugging skills across multi-step workflows and distributed interactions Clear communication skills for working with cross-functional teams on integration features and production issues What Youll Do Design, build, and maintain reusable integration modules and frameworks for reliable communication with third-party systems. Develop business logic for data exchange, two-way synchronization, validation, and reconciliation, translating external specifications into maintainable application logic. Own third-party integrations end to end, onboarding partners and managing scheduled inbound feeds (CSV/XML over SFTP) and real-time outbound API/webhook calls. Implement robust workflows for request/response handling, state tracking, retries with back-off, failure recovery, and dead-letter handling. Apply proven integration patterns, including idempotent processing, outbox/queue-based decoupling, and reconciliation, to handle partial failures, duplicate messages, out-of-order data, and timeouts. Build React-based integration UIs, reusable shared components, configuration screens, and error-handling and reprocessing workflows. Ensure integrations are resilient, auditable, and aligned with real-world operational scenarios; support and troubleshoot integrations in production. Participate in architecture and design discussions, mentor junior developers, and promote clean coding practices for complex, logic-heavy modules. Nice to have Experience integrating SaaS platforms with third-party business systems Exposure to healthcare or other regulated industry environments .