Senior Software Developer

Posted 14 Days Ago
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Mumbai, Maharashtra, IND
In-Office
Senior level
Artificial Intelligence • Big Data • Machine Learning
The Role
Design and implement resilient, secure services, adapters, and agents using C# and .NET. Modernize legacy .NET Framework applications, develop REST APIs, integrate databases and messaging, and ensure strong observability, reliability, and test coverage. Support Windows, Linux, and containerized deployments, participate in design reviews and releases, and mentor peers. The role also involves preserving legacy behavior during migrations and building unattended components for customer environments.
Summary Generated by Built In

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 DeveloperExperience: 4-7 yearsLocation: 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.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Skills Required

  • 4–7 years of software development experience
  • Strong production experience with C# and .NET Framework 4.x
  • Experience with modern .NET (.NET 8+), async programming, dependency injection, and configuration
  • Experience with ASP.NET Core, Worker Services, Windows Services, and Windows/Linux/container hosting
  • Experience modernizing legacy .NET Framework projects and replacing System.Web, OWIN, or WCF dependencies
  • Knowledge of Windows platform technologies including WMI, registry, event logs, certificate stores, service accounts, and native interop
  • Experience designing REST APIs, API versioning, authentication, authorization, and OpenAPI
  • Experience with PostgreSQL, Npgsql, EF Core or Dapper, and database migrations
  • Exposure to SQL Server and SQLite
  • Experience implementing scheduling, retries, timeouts, cancellation, failure isolation, and structured logging
  • Experience with unit and integration testing, xUnit or NUnit, mocking, and TDD practices
  • Bachelor’s degree in Computer Science, Engineering, or a related field
  • Experience with RabbitMQ and outbox or idempotent-delivery patterns
  • Knowledge of Docker, Kubernetes, and CI/CD pipelines
  • Python experience for tooling and integrations
  • Experience with WiX/MSI installers
  • Exposure to OPC UA or OT/ICS environments

Quantiphi Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Quantiphi and has not been reviewed or approved by Quantiphi.

  • Wellbeing & Lifestyle Benefits — Wellbeing initiatives such as monthly meeting-free AMA-Zen Days, health check-ups, and wellness counseling are designed to reduce burnout and support day-to-day balance. Broader wellness programs reinforce both physical and mental health.
  • Flexible Benefits — Remote/hybrid options with flexible working hours provide meaningful autonomy over where and when work gets done. Flexible leave constructs, including sabbaticals and special day leaves, add practical adaptability to the package.
  • Parental & Family Support — Paid parental leave in the U.S., alongside maternity and childcare support, signals solid backing for families. These family-oriented policies integrate with a wider health and wellness focus.

Quantiphi Insights

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The Company
HQ: Marlborough, MA
3,494 Employees
Year Founded: 2013

What We Do

Quantiphi is an award-winning AI-first digital engineering company driven by the desire to solve transformational problems at the heart of business. Quantiphi solves the toughest and complex business problems by combining deep industry experience, disciplined cloud, and data-engineering practices, and cutting-edge artificial intelligence research to achieve quantifiable business impact at unprecedented speed.

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