Role Overview
Integrella is seeking an experienced Senior Integration Developer/Architect to join our growing offshore team, supporting a major financial services client. Working within Agile delivery teams, you will be responsible for the full lifecycle of integration solutions, from design and development through to deployment and production support, across both Change-the-Bank and Run-the-Bank activities.
You will design and build robust, secure, API-led integration solutions using C# / .NET and the Microsoft Azure stack, own solution architecture and technical design, from HLD/LLD through design patterns and trade-off decisions, and provide ongoing production support to ensure the stability and performance of business-critical systems in a regulated banking workplace.
This is a design-led role. We are looking for a senior engineer who operates at architect level, comfortable owning end-to-end solution design, applying design patterns and articulating design decisions, while remaining fully hands-on with development and production support.

Key Responsibilities




Solution Architecture & Design
Own and author High-Level Design (HLD) and Low-Level Design (LLD) documentation for integration solutions.
Create UML diagrams (sequence, flow, component) using Draw.io or equivalent.
Define integration patterns and drive overall solution architecture, making and clearly articulating design decisions and trade-offs.
Apply established software and enterprise integration design patterns, and guide their consistent use across solutions.
Design event-driven and messaging architectures with proven reliability patterns (retries, dead-letter queues, idempotency, circuit breakers).
Development & Engineering
Design and develop integration solutions, APIs, and workflows using C# / .NET Core and API-based architecture.
Implement event-driven, asynchronous, and messaging-based integration patterns.
Apply API design best practice (contract-first design, versioning, security) and manage

📌 Senior Integration Developer (India)
🏢 Integrella
📍 India