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Sufiyan KhatriSK

Sufiyan Khatri

Fullstack developer

€300/day
Berlin, DE
3-7 years

Average response time: 1 hour

About Sufiyan

🎁 A 100% refund if I set the wrong expectation and can’t deliver. No questions asked!

I am a full-stack web developer with experience in developing business solutions and implementing innovative ideas using the MERN stack.

Excellent verbal and written communication skills and the ability to interact professionally with a diverse group, including executives, managers, and subject matter experts. I value my clients and work towards building long-lasting relationships by understanding your needs, keeping an open channel of communication, and delivering your products on time. I communicate with clarity, verbally and in one-on-one or group situations, and over the telephone.

My Expertise in front-end technologies is:
✅ React JS
✅ AngularJS
✅ React-Native
✅ Flutter
✅ Ionic
✅ Next JS
✅ GraphQL

My Expertise in Back-end Technologies is:
✅ Node JS
✅ Express JS
✅ Nest JS
✅ MongoDB
✅ Rest API
✅ GraphQL
✅ Firebase
✅ Integration with any third-party APIs such as Facebook, GitHub or Google.
✅ Typescript

Here is what I can do for you :
✅ Create an app from scratch to jumpstart your business.
✅ Develop new features for existing apps.
✅ Fix bugs and improve code quality.
✅ Optimize your apps and ensure robust UI/UX
  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Sosafe SE (Remote Germany)
    Fullstack developer
    January 2024 - Today (2 years and 5 months)
    • Migrated the core "Customer" model to a dedicated micro-service, enabling faster feature
    • delivery and improving system scalability by 40%Ô
    • Improved E2E test coverage from 50% to 90%, reducing production issues by 30% and improving development velocityÔ
    • Refactored and optimized the legacy user provisioning system, decreasing provisioning time by 60%, leading to a smoother user experienceÔ
    • Implemented event-driven architecture for newly created micro-service using Kafka/RabbitMQ, improving system resilience and real-time processing capabilitiesÔ
    • Decoupled front-end monolith into small micro frontends which increase release velocity of teams by 50Ì

    React.js Typescript Node.js SQL redux
  • Spotted Zebra
    Fullstack developer
    December 2021 - January 2024 (2 years and 1 month)
    • Leveraged G enerative AI (GPT-3.5 Turbo) to reduce hiring decision time by 50% in the "Interview Guide" module
    • Developed a user role-based authorization module for enhanced security in the application
    • Optimized GraphQL queries by 50%, significantly boosting user retention.
  • Sayone Tech
    Frontend Developer
    June 2021 - December 2021 (6 months)
    • Collaborated on a real-time live streaming app using WebRTC and Agora.io in React.js, delivering a seamless user experience
    • Integrated a Creator's Marketplace, boosting content creator revenue by 30% during live broadcasts

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Education

  • Bachelors of Computer Science &
    NED University
    2020
    Bachelors of Computer Science &

Skill set

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