Senior Software Engineer (.Net MAUI)

Sopra Steria; Singapore; On-site; SGD 180,000 - 240,000; Full time

Benefits offered by this job

Health insurance

Annual bonus

Training & certification

Team events

Job summary

Sopra Steria Asia Pacific in Singapore leads cross‑platform mobile delivery. We seek a Senior Software Engineer to design, build, and maintain high‑quality applications on Android and iOS from a shared codebase.

You will collaborate with product managers, UX designers, and backend engineers to deliver production‑grade experiences. You will mentor juniors, drive architectural decisions, and promote engineering best practices across the team, ensuring robust, scalable solutions and modern CI/CD

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• 8+ years of professional software development with C# and the .NET ecosystem.
• 5+ years with .NET MAUI or Xamarin.Forms with MAUI migration experience.
• Proficiency with platform APIs on Android and iOS interop.
• Experience consuming RESTful and/or GraphQL APIs.
• Strong DI, async/await, and reactive programming skills.
• Familiarity with Git-based workflows and PR processes.
• Strong debugging, profiling, and performance‑tuning skills.

Responsibilities

• Design, develop, and maintain cross‑platform apps using .NET MAUI for Android and iOS.
• Architect scalable solutions following MVVM, Clean Architecture, and SOLID.
• Implement native integrations and platform renderers/handlers as needed.
• Collaborate with UX designers to translate wireframes into UI.
• Integrate RESTful/GraphQL APIs with robust error handling.
• Write unit, integration, and UI tests using xUnit/NUnit/MSTest and Appium.
• Optimise startup time, memory usage, rendering, and battery use.
• Conduct code reviews and mentor junior engineers.
• Participate in Agile ceremonies and drive continuous improvement.
• Stay current with .NET MAUI releases and CI/CD pipelines.

Skills

C# / .NET

MAUI / Xamarin.Forms

REST / GraphQL

DI / async / reactive

Git workflows

Debugging & performance

Cross‑platform mobile

Education

Bachelor’s or Master’s in CS / SE

Tools

Azure DevOps

GitHub Actions

App Center

SQLite / Realm

Job description

Company Description

Sopra Steria is a listed European technology leader specializing in Consulting, Digital Services, and Software. With over 51,000 employees worldwide across Europe, North America and Asia, the Group supports organizations in driving their digital transformation and delivering sustainable business value.

Asia Pacific

Sopra Steria – In Asia Pacific, Singapore serves as the regional headquarter for Sopra Steria’s Infrastructure, Cloud and Cybersecurity services.

Job Description

We are seeking a talented and experienced Senior Software Engineer specializing in .NET MAUI to join our client's cross-platform mobile development team. In this role, you will design, build, and maintain high-performance applications that run seamlessly on Android, iOS, from a single shared codebase. You will work closely with product managers, UX designers, and backend engineers to deliver polished, production-grade experiences to our users.

As a senior member of the team, you will also mentor junior developers, contribute to architectural decisions, and champion engineering best practices across the organization.

Responsibilities

• Design, develop, and maintain cross-platform applications using .NET MAUI targeting Android, iOS.
• Architect scalable, maintainable solutions following MVVM, Clean Architecture, and SOLID principles.
• Implement native platform integrations and custom renderers/handlers where platform-specific behaviour is required.
• Proficiency with platform-specific APIs on Android (Java/Kotlin interop) and iOS (Swift/Obj-C interop).
• Collaborate with UX/UI designers to translate wireframes and mockups into responsive, accessible user interfaces.
• Integrate RESTful APIs and backend services with robust error handling.
• Write comprehensive unit tests, integration tests, and UI tests using xUnit, NUnit, or MSTest along with Appium or similar frameworks.
• Optimise application performance including startup time, memory usage, rendering, and battery consumption.
• Conduct code reviews, provide constructive feedback, and mentor junior and mid-level engineers.
• Participate in Agile ceremonies (sprint planning, stand-ups, retrospectives) and contribute to continuous improvement initiatives.
• Stay current with .NET MAUI releases, Xamarin migration paths, and the broader .NET ecosystem.
• Maintain CI/CD pipelines for automated building, testing, and deployment of mobile applications.

Qualifications

Requirements

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
• 8+ years of professional software development experience with C# and the .NET ecosystem.
• 5+ years of hands-on experience with .NET MAUI or Xamarin.Forms (with demonstrated MAUI migration expertise).
• Proficiency with platform-specific APIs on Android (Java/Kotlin interop) and iOS (Swift/Obj-C interop).
• Experience consuming and integrating RESTful and/or GraphQL APIs.
• Solid knowledge of dependency injection, asynchronous programming (async/await), and reactive patterns.
• Familiarity with Git-based workflows, pull request culture, and branch strategies (GitFlow, trunk-based).
• Strong debugging, profiling, and performance‑tuning skills across multiple target platforms.
• Excellent written and verbal communication skills.

Preferred Qualifications

• Knowledge of platform‑specific design systems (Material Design, Apple Human Interface Guidelines, Fluent Design).
• Hands‑on experience with Azure DevOps, GitHub Actions, or App Center for CI/CD.
• Familiarity with SQLite, Realm, or other embedded databases for local data persistence.
• Experience with accessibility standards (WCAG) and building inclusive applications.
• Contributions to open‑source .NET or MAUI community projects.
• Relevant Microsoft certifications are a plus.

Additional Information

• Health & insurance: Comprehensive coverage including General Practitioner, hospitalization, dental, and optical.
• Performance incentives: Annual bonus based on individual performance.
• Learning & development: Training programs, certification opportunities, and training incentives to support career growth.
• Team culture: Regular team‑building activities and social events.