Principal Engineer - Flutter

Deutsche Telekom Digital Labs • Mobile Networks • IT Consulting & Digital Transformation • Dart • 1 day ago
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Salary
≈ $19k – $51k per year (Estimated)
Location
In office (Gurgaon)
Seniority
Staff · 8+ years exp

First seen by Alion on Oct 20, 2026.

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Deutsche Telekom Digital Labs

Deutsche Telekom Digital Labs is the Indian engineering centre of the German telecommunications group Deutsche Telekom, established in Gurgaon in 2018. Its teams build the digital products the group ships across its European markets, including the customer applications used by mobile and broadband subscribers, the commerce and ordering systems behind them, television and streaming clients, and the platform and data infrastructure shared between national operating companies. The centre works as a product organisation rather than an outsourcing vendor, owning services end to end and releasing them into several European markets at once.
dtdl.in • HQ: Gurgaon, India • Mobile Networks • IT Consulting & Digital Transformation • Est. 2018
Tech stack of Deutsche Telekom Digital Labs

We are looking for an experienced Principal Engineer in Flutter to lead the design and development of high-quality, scalable mobile applications. The ideal candidate should have strong hands-on expertise in Flutter and Dart, along with experience in mobile architecture, performance optimization, and technical leadership.


Responsibilities:

  • Design, develop, and maintain scalable mobile applications using Flutter and Dart.
  • Own the technical architecture and engineering decisions for mobile applications.
  • Build reusable, maintainable, and high-performance Flutter components.
  • Work closely with product, design, backend, and QA teams to deliver quality products.
  • Drive best practices around coding standards, testing, code reviews, and CI/CD.
  • Identify and resolve performance, scalability, and reliability issues.
  • Mentor and guide senior engineers and contribute to the overall engineering culture.
  • Evaluate new technologies and recommend solutions that improve the mobile platform.
  • Ensure applications are optimized for both Android and iOS platforms.


Requirements:

  • 8+ years of software development experience.
  • Strong hands-on experience with Flutter and Dart.
  • Strong understanding of mobile application architecture and design patterns.
  • Experience building and scaling production-grade mobile applications.
  • Strong understanding of Android and iOS platforms.
  • Experience with REST APIs and third-party integrations.
  • Good knowledge of performance optimization and debugging.
  • Experience with Git, CI/CD, and automated testing.
  • Strong problem-solving and technical leadership skills.


Good to Have:

  • Experience with clean architecture, BLoC/provider/Riverpod or similar state-management approaches.
  • Experience with Firebase and mobile analytics/crash-reporting tools.
  • Experience with automated mobile testing.
  • Experience leading or mentoring engineering teams.
  • Exposure to cloud-based application ecosystems.
  • Someone who is strongly hands-on with Flutter, can make architecture-level decisions, and has the technical depth to solve complex mobile engineering problems while mentoring other engineers.

Skills

Android, Dart, Flutter, Mobile, iOS

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