Software Engineer

Trantor; Bengaluru Urban; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Trantor is seeking a Senior Product Engineer to lead cross-platform mobile development with .NET MAUI and backend services using ASP.NET Core. The ideal candidate has production-grade mobile apps, offline-first architecture, REST APIs, secure auth, and full SDLC delivery in regulated environments.

Responsibilities include designing and maintaining Android and iOS apps, building secure APIs, and collaborating with Product, UX, QA, and Cloud teams in an Agile, CI/CD environment.

Qualifications

• Proficient in C# with strong .NET framework experience.
• Hands-on with mobile and backend development using .NET MAUI/Xamarin and ASP.NET Core.

Responsibilities

• Design, develop and maintain cross-platform mobile apps using .NET MAUI.
• Build secure REST APIs and backend services with ASP.NET Core.
• Apply MVVM, Clean Architecture and SOLID principles.

Skills

C#

.NET

Multi-threading

ASP.NET Core / REST APIs

SQL Server

Git

Tools

Azure Functions

Azure Service Bus

GraphQL

Push notifications

Azure DevOps

Job description

We are looking for a Senior Product Engineer with strong experience in cross-platform mobile development using .NET MAUI and enterprise backend development using ASP.NET Core. The ideal candidate has built production-grade mobile applications, understands offline-first architecture, REST APIs, secure authentication, and has experience delivering enterprise software through the full SDLC. Experience in healthcare, connected devices, or regulated industries is highly preferred.

Key Responsibilities

• Design, develop and maintain Android and iOS applications using .NET MAUI.
• Develop secure RESTful APIs and backend services using ASP.NET Core.
• Implement MVVM, Clean Architecture and SOLID principles.
• Optimize application performance, startup time and memory usage.
• Perform code reviews, unit testing, debugging and production support.
• Collaborate with Product, UX, QA and Cloud Engineering teams.
• Participate in Agile ceremonies and CI/CD release processes.

Must-Have Skills

• C# (Expert)
• .NET, Object-Oriented Programming & SOLID (Expert)
• Multi-threading & Async Programming (Mobile) (Strong)
• ASP.NET Core / REST APIs (Strong)
• SQL Server (Strong)
• Git (Strong)

Strongly Preferred

• Entity Framework Core OR GraphQL
• Azure Functions and Azure Service Bus or similar cloud experience
• Push notifications
• Performance tuning
• Unit testing, Azure DevOps and CI/CD

Nice-to-Have

• Migration from Xamarin to .NET MAUI
• Healthcare / Home Health domain
• Bluetooth Low Energy (BLE)

Ideal Candidate Profile

The ideal candidate has hands-on experience building enterprise-grade Android and iOS applications using .NET MAUI/Xamarin and scalable ASP.NET Core services. They should be comfortable owning features end-to-end, from architecture and development to testing, deployment, and production support.