Fahid Nasir

Fahid Nasir

Full Stack Developer

13+ years of experience

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I am a seasoned Senior Full Stack Developer with over 13 years of hands-on experience in crafting web applications. My expertise lies in C#, TypeScript and React, where I have led the development of multiple large-scale projects.

Location: Germany πŸ‡©πŸ‡ͺ Job Status: Open to Opportunities Freelance work: Possible

Skills

Work

TCI Aero, Turkiye πŸ‡ΉπŸ‡·

May 2025 - Aug 2025

IFE Software Architect

TCI Aero, Turkiye πŸ‡ΉπŸ‡·

Employment Type: Full-time

Work Model: Hybrid

  • Refactored legacy architecture, improving backend performance by 50%.
  • Automated testing and deployment, reducing manual QA effort by 70%.
  • Led development of multi-tenant SaaS modules for enterprise clients.
  • Enhanced data security and compliance, achieving full GDPR alignment.
  • Mentored junior developers and improved code quality through strict review processes.

Lufthansa, Germany πŸ‡©πŸ‡ͺ

Dec 2022 - Feb 2025

IFE Software Architect

Lufthansa, Germany πŸ‡©πŸ‡ͺ

Employment Type: Full-time

Work Model: Hybrid

  • Improved system performance by 60% via asynchronous data processing and caching.
  • Resolved critical bottlenecks in backend APIs, reducing downtime by 30%.
  • Led migration from REST to GraphQL + gRPC, boosting data efficiency by 3x.
  • Built CI/CD pipelines, cutting release times from days to hours.
  • Designed fault-tolerant services for aircraft cabin systems with near-zero downtime.

Klarna, Sweden πŸ‡ΈπŸ‡ͺ

Sep 2020 - Dec 2022

Senior Engineer

Klarna, Sweden πŸ‡ΈπŸ‡ͺ

Employment Type: Full-time

Work Model: Hybrid

  • Increased customer engagement by 40% through Loyalty Program.
  • Scaled high-traffic payment APIs handling millions of daily transactions across global regions.
  • Drove revenue growth of €60M+ by improving payment routing reliability and success rates.
  • Onboarded 3M+ users with a smooth onboarding experience.
  • Gamified the payment experience with a leaderboard and rewards system.

AION Digital, Bahrain πŸ‡§πŸ‡­

Sep 2019 - Dec 2020

Senior Engineer

AION Digital, Bahrain πŸ‡§πŸ‡­

Employment Type: Full-time

Work Model: Hybrid

  • Architected and launched digital banking platform serving over 200K active users across GCC.
  • Increased transaction success rate by 35% via microservice-based payment orchestration.
  • Integrated Open Banking APIs (Bahrain, Kuwait) with full PSD2 compliance and OAuth2 security.
  • Led backend modernization with NestJS + Kafka, cutting response times by 40%.
  • Built CI/CD pipelines on AWS, reducing deployment effort from hours to minutes.

Inflight-VR, Spain πŸ‡ͺπŸ‡Έ

Dec 2013 - Sep 2019

IFE Software Architect

Inflight-VR, Spain πŸ‡ͺπŸ‡Έ

Employment Type: Full-time

Work Model: Hybrid

  • Boosted in-flight content performance by 200% by optimizing content delivery pipelines.
  • Designed a distributed caching layer, to stream content to VR headsets.
  • Implemented analytics-driven dashboards to monitor content engagement in real time.
  • Created a IoT based custom Mesh network to give full coverage to the aircraft.
  • Integrated DRM-secured streaming, enhancing passenger experience across airlines.

Netsol, Pakistan πŸ‡΅πŸ‡°

Jul 2012 - Dec 2013

Software Engineer

Netsol, Pakistan πŸ‡΅πŸ‡°

Employment Type: Full-time

Work Model: Hybrid

  • Delivered enterprise leasing solutions for tier-1 Car Companies managing Billions in assets.
  • Optimized SQL procedures and caching, improving system performance by 55%.
  • Designed modular Dotnet layered architecture improving scalability and code reusability.
  • Migrated monolith to microservices, improving performance and maintainability.
  • Developed Desktop application using XAML and C#

Achievements

Projects