Senior Software Developer

While technology is the heart of our business, a global and diverse culture is the heart of our success. We love our people and we take pride in catering them to a culture built on transparency, diversity, integrity, learning and growth.
If working in an environment that encourages you to innovate and excel, not just in professional but personal life, interests you- you would enjoy your career with Quantiphi!

Role: Senior Software Developer

Experience: 4-7 years

Location: Mumbai/Bangalore
Must-Have Skills

• C# and .NET: Strong production experience with .NET Framework 4.x and modern .NET (.NET 8+), async programming, dependency injection, configuration.
• Services and hosting: ASP.NET Core, Worker Services, Windows services, and hosting the same code base on Windows and Linux/containers.
• Legacy modernization: Migrating .NET Framework projects to modern .NET, replacing System.Web/OWIN/WCF dependencies, multi-targeting, characterization tests.
• Windows platform knowledge: WMI, registry, event log, certificate store, service accounts, 32-bit/64-bit and native interop.
• APIs: REST design, versioning, authentication and authorization, OpenAPI.
• Data: PostgreSQL (Npgsql, EF Core/Dapper), migrations; exposure to SQL Server and SQLite.
• Reliability: Scheduling, retries, timeouts, cancellation, failure isolation, structured logging.
• Testing: Unit and integration tests (xUnit/NUnit), mocking, TDD practices.

Good-to-Have Skills

• Messaging (RabbitMQ), outbox and idempotent-delivery patterns.
• Docker, Kubernetes basics, CI/CD pipelines.
• Python for tooling and integrations; WiX/MSI installers.
• Industrial protocols such as OPC UA; exposure to OT/ICS environments.

Key Responsibilities

• Design and implement services, adapters and agents with clear interfaces and strong test coverage.
• Migrate and refactor legacy components while preserving existing behavior.
• Build secure, observable and resilient components that run unattended at customer sites.
• Participate in code reviews, design discussions and release support; mentor peers.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.