Job Description

Job Title: Senior Software Developer- Integration - (SaaS)

Company: HB - ACPL

Location: Pune - India

Experience Required: 9-15 years

Relevant Experience: 9 years

Key Skills: .NET (C#), ASP.NET MVC, Integration Workflow Design, SQL Server, Kafka, Amazon Web Services (AWS)

https://recrui8.com/jobs/senior-software-developer-integration-saas-hb-acpl-pune-9-to-15-years-2c1bc15c-45f1-43f8-aef6-2559e2f84bfc

Role: Senior Integration Developer (SaaS Platform)

Location: Pune / Hybrid

Experience: 9-15 years

Industry Preference: High-growth SaaS / Product Engineering

Availability: Immediate Joiners Preferred

We're looking for a Senior Integration Developer to design and build the core integration logic that connects our platform with external systems. This role is for someone who enjoys writing complex back-end business logic, handling real-world system interactions, and building reliable

You'll work on features that allow our platform to communicate with partner systems, client environments, and third-party applications in a reliable, maintainable way.

What you'll do

Design and build integration modules within the application that handle communication with external systems.
Develop and maintain business logic for data exchange, synchronization, validation, and reconciliation
Implement workflows that manage request/response handling, retries, failure handling, and state tracking
Translate external system requirements and specifications into clean, maintainable application logic
Ensure integrations are resilient, auditable, and aligned with real-world operational scenarios
Build reusable components and frameworks that standardize how integrations are handled across the platform
Handle edge cases such as partial failures, duplicate messages, out-of-order data, and system timeouts
Participate in design and architecture discussions to evolve the platform's integration capabilities
Mentor junior developers and promote clean coding practices for complex logic-heavy modules
Own multiple third-party integrations end to end — onboard new partners and maintain two-way sync through scheduled inbound feeds (e.g., CSV/XML files over SFTP) and real
time outbound API/ webhook calls, applying proven integration patterns such as idempotent processing, outbox/queue-based decoupling, retry with back-off, dead-letter handling, and reconciliation.
Build React-based user interfaces for integration-related features, including reusable shared components used across the platform, configuration screens, and error-handling and reprocessing workflow Support integrations in production —

What we're 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 end
Experience 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