Senior Software Engineer – .NET MAUI / Xamarin / ASP.NET Core

Trantor Inc.; Bengaluru; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Trantor is seeking a Senior Product Engineer in Bengaluru, India, with strong experience in cross‑platform mobile development using .NET MAUI and enterprise backend development with ASP.NET Core. The role focuses on delivering production‑grade mobile applications, offline‑first architecture, REST APIs, and secure authentication across the full SDLC.

You will design, develop, and maintain Android and iOS apps, migrate Xamarin.Forms to MAUI, and collaborate with Product, UX, QA, and Cloud

Qualifications

• 5-8 years of software development experience.
• Minimum 2 years in .NET MAUI.
• Strong object-oriented programming fundamentals.
• Experience building enterprise mobile applications.
• Experience writing Stored Procedures, Functions and Triggers in Transact SQL on Microsoft SQL Server and/or Oracle.
• Mobile development experience with Xamarin Forms.
• Experience documenting technical requirements.
• Experience with RESTful Web Services.
• Migration from Xamarin to .NET MAUI.
• Entity Framework Core.
• Azure Functions and Azure Service Bus.
• Dependency Injection.
• Push notifications.
• Performance tuning.
• Unit testing and CI/CD.

Responsibilities

• Design, develop, and maintain Android and iOS applications using .NET MAUI.
• Support and migrate Xamarin.Forms applications to .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.

Job description

About Trantor:

Trantor is a technology services company focused on outsourced product development and digital re-engineering. Leveraging our CaptiveCoE engagement model, we operate as a seamless extension of our client's teams to provide rapid scalability with predictable budgets. Founded in 2012, Trantor has worked with customers across Tech, FinTech, Media & Cybersecurity industries. We have centers in the US, India, Canada, and Costa Rica. We are consistently rated as the #1 employer in the region with the ability to attract and retain technical talent. Our commitment to excellence and impactful results has translated to long‑term relationships and value for our clients and solution partners.

Job Overview

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.

Roles & Responsibilities

• Design, develop, and maintain Android and iOS applications using .NET MAUI.
• Support and migrate Xamarin.Forms applications to .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.

Required Skills

• 5-8 years of software development experience
• Minimum 2 years in .NET MAUI
• Strong object-oriented programming fundamentals
• Experience building enterprise mobile applications
• Good experience writing Stored Procedures, Functions and Triggers in Transact SQL on Microsoft SQL Server and/or Oracle
• Mobile development experience with Xamarin Forms
• Experience documenting technical requirements
• Experience with RESTful Web Services
• Migration from Xamarin to .NET MAUI
• Entity Framework Core
• Azure Functions and Azure Service Bus
• Dependency Injection
• Push notifications
• Performance tuning
• Unit testing and CI/CD